subject:(electrochemical methods)

University of South Carolina

1. Abdalla, Aya. Electrochemical Methods To Study Real-Time In Vivo Neurochemistry.

Degree: PhD, Chemistry and Biochemistry, 2018, University of South Carolina

URL: https://scholarcommons.sc.edu/etd/4586

► Serotonin neurotransmission has multiple facets that are challenging to characterize, due to the lack of analytical tools that can measure serotonin in the brain.… (more)

Subjects/Keywords: Chemistry; Electrochemical Methods; Real-Time; Vivo; Neurochemistry

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Abdalla, A. (2018). Electrochemical Methods To Study Real-Time In Vivo Neurochemistry. (Doctoral Dissertation). University of South Carolina. Retrieved from https://scholarcommons.sc.edu/etd/4586

Chicago Manual of Style (16^th Edition):

Abdalla, Aya. “Electrochemical Methods To Study Real-Time In Vivo Neurochemistry.” 2018. Doctoral Dissertation, University of South Carolina. Accessed March 01, 2021. https://scholarcommons.sc.edu/etd/4586.

MLA Handbook (7^th Edition):

Abdalla, Aya. “Electrochemical Methods To Study Real-Time In Vivo Neurochemistry.” 2018. Web. 01 Mar 2021.

Vancouver:

Abdalla A. Electrochemical Methods To Study Real-Time In Vivo Neurochemistry. [Internet] [Doctoral dissertation]. University of South Carolina; 2018. [cited 2021 Mar 01]. Available from: https://scholarcommons.sc.edu/etd/4586.

Council of Science Editors:

Abdalla A. Electrochemical Methods To Study Real-Time In Vivo Neurochemistry. [Doctoral Dissertation]. University of South Carolina; 2018. Available from: https://scholarcommons.sc.edu/etd/4586

University of Newcastle

2. Forghani, Marveh. Development of electrochemical characterization methods and advanced capacitor materials.

Degree: PhD, 2020, University of Newcastle

URL: http://hdl.handle.net/1959.13/1415683

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Research Doctorate - Doctor of Philosophy (PhD)

This thesis focuses on developing the most common electrochemical methods; cyclic voltammetry (CV) and step potential electrochemical spectroscopy… (more)

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Research Doctorate - Doctor of Philosophy (PhD)

This thesis focuses on developing the most common electrochemical methods; cyclic voltammetry (CV) and step potential electrochemical spectroscopy (SPECS). Although CV and SPECS techniques have previously been used for characterising the performance of various energy storage devices, this study shows that there is always a room for improving the present electrochemical techniques and just repeating the conventional electrochemical methods is not the best approach to study the modern electrochemical storage devices with novel and more complex electrode materials. This thesis includes nine chapters. Chapter 1 is the introduction to the thesis. Chapters 2 to 4 focus on the literature reviews on the energy storage devices, electrochemical capacitor materials and electrochemical methods. Chapters 5 to 8 present four experimental studies on the electrochemical capacitors and Chapter 9 is the conclusion to this thesis. Herewith, the various experimental parameters involved in these two techniques have been further explored, and the performance of these methods for characterising the behaviour of electrochemical cells was compared experimentally. This thesis presents the application of CV and SPECS methods on testing electrochemical capacitors with various electrode materials such as activated carbon and manganese dioxide with aqueous and organic electrolytes. The SPECS method is based on applying a series of equal magnitude potential steps on a working electrode, with sufficient rest time to allow for quasi-equilibrium to be established for each step throughout an applied potential window. This slow sweep rate enables an electrode to approach its maximum charge storage capability. More importantly, it allows separation of charge storage mechanisms, such as electrical double layer charge storage and diffusion-limited processes. The effect of the two main experimental variables in SPECS; namely, the potential step size and the electrode rest time, on the behaviour of the electrochemical capacitor is described in Chapter 5. The contribution of the capacitive and diffusion-limited processes can be obtained via the voltammetric current-sweep rate dependence, voltammetric charge-sweep rate dependence and SPECS methods. These three methods were compared experimentally and also their limitations, and their advantages for interpreting the current data and their abilities to distinguish between the different charge storage mechanisms is presented in Chapter 6. Some of the complications associated with using a common approach; namely voltammetric current-sweep rate dependence, to deconvoluting double layer and diffusion-limited contributions to the performance of an electrochemical capacitor electrode, have been explored and presented in Chapter 7. Finally, Chapter 8 presents an improved methodology for the interpretation of SPECS data. The revised methodology provides an analysis method that produces performance data much closer to CV data, thus enabling both relative and absolute…

Advisors/Committee Members: University of Newcastle. Faculty of Science, School of Environmental and Life Sciences.

Subjects/Keywords: electrochemical characterization methods; advanced capacitor materials; CV; SPECS; thesis by publication

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APA (6^th Edition):

Forghani, M. (2020). Development of electrochemical characterization methods and advanced capacitor materials. (Doctoral Dissertation). University of Newcastle. Retrieved from http://hdl.handle.net/1959.13/1415683

Chicago Manual of Style (16^th Edition):

Forghani, Marveh. “Development of electrochemical characterization methods and advanced capacitor materials.” 2020. Doctoral Dissertation, University of Newcastle. Accessed March 01, 2021. http://hdl.handle.net/1959.13/1415683.

MLA Handbook (7^th Edition):

Forghani, Marveh. “Development of electrochemical characterization methods and advanced capacitor materials.” 2020. Web. 01 Mar 2021.

Vancouver:

Forghani M. Development of electrochemical characterization methods and advanced capacitor materials. [Internet] [Doctoral dissertation]. University of Newcastle; 2020. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/1959.13/1415683.

Council of Science Editors:

Forghani M. Development of electrochemical characterization methods and advanced capacitor materials. [Doctoral Dissertation]. University of Newcastle; 2020. Available from: http://hdl.handle.net/1959.13/1415683

3. Brasiliense, Vitor. Opto-Electrochemical Methods for Imaging the Reactivity of Individual Nanoparticles : Méthodes Opto-Electrochimiques pour Imager la Réactivité de Nanoparticules Individuelles.

Degree: Docteur es, Chimie. Electrochimie, 2017, Sorbonne Paris Cité

URL: http://www.theses.fr/2017USPCC283

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Dans ce travail, plusieurs méthodes opto-électrochimiques ont été développées et appliquées à l’étude de systèmes chimiques à l’échelle de l’objet individuel. Du coté optique,l’holographie et… (more)

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Dans ce travail, plusieurs méthodes opto-électrochimiques ont été développées et appliquées à l’étude de systèmes chimiques à l’échelle de l’objet individuel. Du coté optique,l’holographie et la spectroscopie visible ont été associées à la super localisation pour pousser l’applicabilité de ces techniques au-delà de la limité imposée par la diffraction.Des techniques nanoélectrochimiques, comme les impacts stochastiques et l’utilisation de nanoelectrodes, complètent cette étude en renseignant sur la réactivité et sur les étapes de transfert d’électrons. Ces études couplées caractérisent ainsi les phénomènes chimiques de façon bien plus complète. Il est montré que cette caractérisation à la fois chimique et optique est en fait essentielle pour pouvoir comprendre le fonctionnement des systèmes nano chimiques in loco.En démarrant par des réactions modèle, comme l’oxydation de l’argent, la complexité des systèmes étudiés est progressivement augmentée, éclairant des phénomènes de transport,d’agrégation, ainsi que des transformation redox et de catalyse sur des matériaux complexes et mal définis tel que les oxydes de métaux de transition (cobalt)

A number of coupled optical and electrochemical single particle techniques are employed for investigating a variety of chemical systems at the level of individual objects.On the optical side, holography and visible spectroscopy are imbued with superlocalization principles pushing the applicability of these techniques down to sub-diffraction levels. Nanoelectrochemical techniques such as stochastic impacts and nanoelectrodes are used to complement this information, providing a much more complete characterization of the phenomena.It is shown that this dual optical and electrochemical single particle characterizationis actually crucial to understand complex nano chemical systems in loco. Starting frommodel reactions, such as Ag oxidation, the complexity of the studied phenomena and systems is progressively increased, as light is shed on transport phenomena, aggregation,as well as redox transformations and catalysis on complicated materials such as ill-defined transition metal (cobalt) oxides

Advisors/Committee Members: Kanoufi, Frédéric (thesis director), Tessier, Gilles (thesis director).

Subjects/Keywords: Nanoparticules; Méthodes Opto-électrochimiques; Holographie; Nanoélectrochimie; Catalyse; Nanoparticles; Opto-Electrochemical Methods; Holography; Nanoelectrochemistry; Catalysis

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Brasiliense, V. (2017). Opto-Electrochemical Methods for Imaging the Reactivity of Individual Nanoparticles : Méthodes Opto-Electrochimiques pour Imager la Réactivité de Nanoparticules Individuelles. (Doctoral Dissertation). Sorbonne Paris Cité. Retrieved from http://www.theses.fr/2017USPCC283

Chicago Manual of Style (16^th Edition):

Brasiliense, Vitor. “Opto-Electrochemical Methods for Imaging the Reactivity of Individual Nanoparticles : Méthodes Opto-Electrochimiques pour Imager la Réactivité de Nanoparticules Individuelles.” 2017. Doctoral Dissertation, Sorbonne Paris Cité. Accessed March 01, 2021. http://www.theses.fr/2017USPCC283.

MLA Handbook (7^th Edition):

Brasiliense, Vitor. “Opto-Electrochemical Methods for Imaging the Reactivity of Individual Nanoparticles : Méthodes Opto-Electrochimiques pour Imager la Réactivité de Nanoparticules Individuelles.” 2017. Web. 01 Mar 2021.

Vancouver:

Brasiliense V. Opto-Electrochemical Methods for Imaging the Reactivity of Individual Nanoparticles : Méthodes Opto-Electrochimiques pour Imager la Réactivité de Nanoparticules Individuelles. [Internet] [Doctoral dissertation]. Sorbonne Paris Cité; 2017. [cited 2021 Mar 01]. Available from: http://www.theses.fr/2017USPCC283.

Council of Science Editors:

Brasiliense V. Opto-Electrochemical Methods for Imaging the Reactivity of Individual Nanoparticles : Méthodes Opto-Electrochimiques pour Imager la Réactivité de Nanoparticules Individuelles. [Doctoral Dissertation]. Sorbonne Paris Cité; 2017. Available from: http://www.theses.fr/2017USPCC283

University of Illinois – Chicago

4. Gattu, Vineeth Kumar. Role of Alloying Elements in the Electrochemical Corrosion Behavior of Multiphase Alloys.

Degree: 2017, University of Illinois – Chicago

URL: http://hdl.handle.net/10027/22245

► An electrochemical testing protocol is being developed to measure the corrosion behavior of waste forms made by alloying metallic fuel waste that remains after electrochemical… (more)

▼ An electrochemical testing protocol is being developed to measure the corrosion behavior of waste forms made by alloying metallic fuel waste that remains after electrochemical processing of spent nuclear fuel with cladding hulls, contaminated hardware, and added trim metals. The release of radionuclides from alloyed waste forms must be predicted over the service life of disposal systems to ensure regulatory limits are met. Understanding the corrosion mechanisms of host phases containing the radionuclides and a scientific basis for experimentally measured durabilities will provide confidence in long-term performance predictions. Developmental studies conducted during in the past have led to a mechanistically-based model for predicting long-term corrosion kinetics for iron-based alloys and the laboratory testing protocol to parameterize that model. Electrochemical tests were conducted on alloy/oxide composite and metal waste forms in various electrolyte solutions to impose a range of chemical effects (primarily pH and Cl-) and a potentiostat was used to impose a surface potential representing the solution Eh. Potentiodynamic (PD) scans and Potentiostatic (PS) tests were performed to characterize the corrosion behavior. The corrosion currents were measured at various imposed potentials, with electrochemical impedance spectroscopy (EIS) performed daily to measure the electrical properties of the corroding surface. Surfaces of the electrodes were characterized by SEM/EDS before and after the electrochemical tests to compare and identify the active-passive phases. Solutions collected during and at the end of the PS tests were analyzed using inductively-coupled plasma mass spectrometry (ICP-MS) to correlate mass releases with the corrosion currents. Results from electrochemical tests demonstrate the use of these results in performance modeling. Analytical functions were derived for modeling the Eh and pH dependence in the degradation model. Surface stabilization corresponding to the Eh-pH stability regions of passivating oxides decreases corrosion rates by ~100X and is attributed to the role of alloying elements Cr, Ni, and Mo. Solution analyses used to relate electrochemical corrosion currents to mass release rates are correlate with surface characterizations that identify the active phase responsible for the release. Finally, Equivalent circuit models of EIS responses can provide confidence in using measured electrochemical kinetics to model waste form performance. Advisors/Committee Members: Indacochea, J Ernesto (advisor), Ebert, William L (committee member), McNallan, Michael J (committee member), Ozevin, Didem (committee member), Shabana, Ahmed A (committee member), Indacochea, J Ernesto (chair).

Subjects/Keywords: electrochemical methods; polarization; potentiostatic; EIS; acid corrosion; passive films; intermetallics; stainless steel; Pourbaix diagrams

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Gattu, V. K. (2017). Role of Alloying Elements in the Electrochemical Corrosion Behavior of Multiphase Alloys. (Thesis). University of Illinois – Chicago. Retrieved from http://hdl.handle.net/10027/22245

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Gattu, Vineeth Kumar. “Role of Alloying Elements in the Electrochemical Corrosion Behavior of Multiphase Alloys.” 2017. Thesis, University of Illinois – Chicago. Accessed March 01, 2021. http://hdl.handle.net/10027/22245.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Gattu, Vineeth Kumar. “Role of Alloying Elements in the Electrochemical Corrosion Behavior of Multiphase Alloys.” 2017. Web. 01 Mar 2021.

Vancouver:

Gattu VK. Role of Alloying Elements in the Electrochemical Corrosion Behavior of Multiphase Alloys. [Internet] [Thesis]. University of Illinois – Chicago; 2017. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/10027/22245.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Gattu VK. Role of Alloying Elements in the Electrochemical Corrosion Behavior of Multiphase Alloys. [Thesis]. University of Illinois – Chicago; 2017. Available from: http://hdl.handle.net/10027/22245

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Youngstown State University

5. Munoz Cordoba, Linda Magaly. Electrochemical Method for Fabrication of Photovoltaic Fibers based on Tungsten Oxide.

Degree: MSin Chemistry, Department of Chemistry, 2019, Youngstown State University

URL: http://rave.ohiolink.edu/etdc/view?acc_num=ysu1567964810796721

► Manufacture of photovoltaic (PV) clothing, which can absorb sunlight and generate an electrical potential, has long been an objective for the military and for avantgarde… (more)

Subjects/Keywords: Energy; Engineering; Chemistry; Inorganic Chemistry; Photovoltaic fibers; Tungsten oxide; Electrochemical methods; Electrodeposition

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APA (6^th Edition):

Munoz Cordoba, L. M. (2019). Electrochemical Method for Fabrication of Photovoltaic Fibers based on Tungsten Oxide. (Masters Thesis). Youngstown State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=ysu1567964810796721

Chicago Manual of Style (16^th Edition):

Munoz Cordoba, Linda Magaly. “Electrochemical Method for Fabrication of Photovoltaic Fibers based on Tungsten Oxide.” 2019. Masters Thesis, Youngstown State University. Accessed March 01, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1567964810796721.

MLA Handbook (7^th Edition):

Munoz Cordoba, Linda Magaly. “Electrochemical Method for Fabrication of Photovoltaic Fibers based on Tungsten Oxide.” 2019. Web. 01 Mar 2021.

Vancouver:

Munoz Cordoba LM. Electrochemical Method for Fabrication of Photovoltaic Fibers based on Tungsten Oxide. [Internet] [Masters thesis]. Youngstown State University; 2019. [cited 2021 Mar 01]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ysu1567964810796721.

Council of Science Editors:

Munoz Cordoba LM. Electrochemical Method for Fabrication of Photovoltaic Fibers based on Tungsten Oxide. [Masters Thesis]. Youngstown State University; 2019. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ysu1567964810796721

Universidade Federal de Santa Maria

6. Ana Paula Lançanova Moreira. DETERMINAÇÃO CROMATOGRÁFICA E ELETROFORÉTICA DE DIURÉTICOS E LAXANTES EM FORMULAÇÕES FARMACÊUTICAS A BASE DE PLANTAS MEDICINAIS.

Degree: 2012, Universidade Federal de Santa Maria

URL: http://coralx.ufsm.br/tede/tde_busca/arquivo.php?codArquivo=4750

► O uso de ervas medicinais como tratamento alternativo tem crescido por se acreditar que produtos naturais não causam danos à saúde. No entanto casos de… (more)

▼ O uso de ervas medicinais como tratamento alternativo tem crescido por se acreditar que produtos naturais não causam danos à saúde. No entanto casos de adulteração de produtos naturais com adição não declarada de fármacos sintéticos, presumidamente para aumentar a eficácia dos mesmos, têm sido relatados na literatura. No caso de formulações emagrecedoras os principais adulterantes já encontrados são anorexígenos, antidepressivos, benzodiazepínicos, diuréticos e laxantes. A identificação destas fraudes só é possível com a aplicação de metodologias analíticas capazes de detectar a presença destes adulterantes nas formulações. Este trabalho descreve o desenvolvimento de duas metodologias empregando técnicas de separação com detecção eletroquímica para a determinação de diuréticos e laxantes como adulterantes em produtos naturais. O método empregando eletroforese capilar de zona (CZE) com detecção por condutividade sem contato (C4D) permite a determinação simultânea de amilorida, clortalidona, hidroclorotiazida, furosemida e fenolftaleína nas condições otimizadas: eletrólito de trabalho tampão fosfato 20 mmol L-1 (pH 9,2) contendo metanol 30% (v/v), potencial de separação -15 Kv, temperatura 25 C; injeção hidrodinâmica por gravidade em 20 cm durante 60 s. O método empregando cromatografia de par iônico (IPC) com detecção por amperometria pulsada (PAD) permite a determinação de hidroclorotiazida, clortalidona e furosemida nas seguintes condições: fase móvel tampão fosfato 5 mmol L-1 (pH 4,5) contendo SDS 0,3 mmol L-1 e metanol 50% (v/v); potencial de amostragem de +0,8 V; potenciais de limpeza de -0,2 V e +1,0 V; e fluxo de 1,0 mL/min. Os dois métodos foram validados nos parâmetros de linearidade, limite de detecção, limite de quantificação, precisão, exatidão e seletividade e, foram aplicados na análise de 26 amostras de produtos naturais emagrecedores adquiridos de farmácias de manipulação de nove estados brasileiros. Em três das 26 amostras foi identificada a presença ilegal do diurético hidroclorotiazida em concentrações que variaram de 0,6 a 7,0 mg/cápsula. Além disso, outras cinco amostras ditas naturais continham declarado no rótulo das embalagens a presença dos diuréticos sintéticos hidroclorotiazida ou furosemida. Os dois métodos foram capazes de identificar os adulterantes presentes nas amostras com alta seletividade e sensibilidade. Além disso, apresentaram resultados bastante aproximados com relação às concentrações encontradas dos adulterantes nas formulações. Ainda não existe uma regulamentação unificada estabelecida pelos órgãos governamentais para o controle de produtos fitoterápicos. Cada país tem a sua legislação, porém a comercialização destes produtos é globalizada. Talvez por isso a adulteração de produtos naturais vem sendo uma prática recorrente em diversas partes do mundo. Logo, uma regulamentação efetiva para os produtos de origem natural, pode resultar na redução destas infrações, ou punição dos infratores, garantindo assim os direitos dos consumidores de realizar um tratamento de qualidade,… Advisors/Committee Members: Clarice Madalena Bueno Rolim, Leandro Machado de Carvalho, Pedro Eduardo Fröehlich.

Subjects/Keywords: detecção eletroquímica; métodos de separação; laxantes; diuréticos; adulterantes; formulações farmacêuticas; FARMACIA; adulterants; Pharmaceutical formulations; diuretics; laxatives; methods of separation; electrochemical detection

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Moreira, A. P. L. (2012). DETERMINAÇÃO CROMATOGRÁFICA E ELETROFORÉTICA DE DIURÉTICOS E LAXANTES EM FORMULAÇÕES FARMACÊUTICAS A BASE DE PLANTAS MEDICINAIS. (Thesis). Universidade Federal de Santa Maria. Retrieved from http://coralx.ufsm.br/tede/tde_busca/arquivo.php?codArquivo=4750

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Moreira, Ana Paula Lançanova. “DETERMINAÇÃO CROMATOGRÁFICA E ELETROFORÉTICA DE DIURÉTICOS E LAXANTES EM FORMULAÇÕES FARMACÊUTICAS A BASE DE PLANTAS MEDICINAIS.” 2012. Thesis, Universidade Federal de Santa Maria. Accessed March 01, 2021. http://coralx.ufsm.br/tede/tde_busca/arquivo.php?codArquivo=4750.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Moreira, Ana Paula Lançanova. “DETERMINAÇÃO CROMATOGRÁFICA E ELETROFORÉTICA DE DIURÉTICOS E LAXANTES EM FORMULAÇÕES FARMACÊUTICAS A BASE DE PLANTAS MEDICINAIS.” 2012. Web. 01 Mar 2021.

Vancouver:

Moreira APL. DETERMINAÇÃO CROMATOGRÁFICA E ELETROFORÉTICA DE DIURÉTICOS E LAXANTES EM FORMULAÇÕES FARMACÊUTICAS A BASE DE PLANTAS MEDICINAIS. [Internet] [Thesis]. Universidade Federal de Santa Maria; 2012. [cited 2021 Mar 01]. Available from: http://coralx.ufsm.br/tede/tde_busca/arquivo.php?codArquivo=4750.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Moreira APL. DETERMINAÇÃO CROMATOGRÁFICA E ELETROFORÉTICA DE DIURÉTICOS E LAXANTES EM FORMULAÇÕES FARMACÊUTICAS A BASE DE PLANTAS MEDICINAIS. [Thesis]. Universidade Federal de Santa Maria; 2012. Available from: http://coralx.ufsm.br/tede/tde_busca/arquivo.php?codArquivo=4750

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Univerzitet u Beogradu

7. Stević, Milica C. Voltametrijsko i hromatografsko ponašanje i određivanje 6- i 8-supstituisanih hinolina.

Degree: Fakultet za fizičku hemiju, 2016, Univerzitet u Beogradu

URL: https://fedorabg.bg.ac.rs/fedora/get/o:12466/bdef:Content/get

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Fizička hemija - Fizička hemija životne sredine / Physical Chemistry - Environmental Physical Chemistry

Kako se ispitivana jedinjenja, 6-aminohinolin (6AQ), 6-hidroksihinolin (6HQ) i 8-hidroksihinolin (8HQ),… (more)

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Fizička hemija - Fizička hemija životne sredine / Physical Chemistry - Environmental Physical Chemistry

Kako se ispitivana jedinjenja, 6-aminohinolin (6AQ), 6-hidroksihinolin (6HQ) i 8-hidroksihinolin (8HQ), sve intenzivnije primenjuju u industriji, poljoprivredi i medicini, često se mogu naći kao zagađivači životne sredine. U skladu sa tim, postoji potreba za formiranjem novih analitičkih metoda koje bi omogućile njihovo što osetljivije, kvalitativno i kvantitativno određivanje. U okviru ovog rada, ispitano je voltametrijsko i hromatografsko ponašanje proučavanih supstanci u cilju kreiranja elektrohemijske, kao i hromatografske metode za njihovo određivanje u smeši ili pojedinačno. Ispitan je uticaj pH osnovnog elektrolita na izgled UV-vis spektara 6AQ, 6HQ i 8HQ, zatim, na izgled cikličnih i diferencijalnopulsnih (DP) voltamograma, pri dovoljno velikom opsegu potencijala i pri različitim brzinama polarizacije i amplitudama pulsa. Takođe, ispitano je ponašanje datih hinolina pri kontinualnom cikliranju, bez čišćenja radne elektrode – paste staklastog ugljenika (GCPE). Dobijene su informacije o oksidabilnosti molekulskih vrsta, vrednostima konstanti pKa, prirodi elektrohemijskog procesa u pogledu reverzibilnosti i kinetike, kao i podaci o osnovnom elektrolitu najoptimalnije pH vrednosti za određivanje datog hinolina. Koristeći RM1 ili AM1 semi-empirijske, kvantnohemijske proračune, analizirani su reakcioni putevi inicijalnog jednoelektronskog, kao i inicijalnog dvoelektronskog transfera elektrona i pretpostavljeno ponašanje ispitivanih hinolina predlaganjem najverovatnijih mehanizama elektro-oksidacije. Ispitano je hromatografsko ponašanje svakog od proučavanih hinolina pri eksperimentalnim uslovima promenljivog udela organske faze u eluentu primenom reverznofazne HPLC tehnike (RP-HPLC). Kombinacijom voltametrijskih i teorijskih proučavanja zaključeno je da je elektrohemijska oksidacija 6AQ, 6HQ i 8HQ dvoelektronski, ireverzibilan i difuzijom kontrolisan proces. Prilikom cikliranja rastvora datih jedinjenja na površini GCPE dolazi do formiranja neprovodnog filma polimera. Primenom DP voltametrije određene su granice detekcije datih jedinjenja, koje se mogu smanjiti primenom adsorptivne striping voltametrije. Pronađeni su optimalni uslovi za hromatografsko određivanje smeše ispitivanih hinolina, odnosno, formirana RP-HPLC metoda.

Advisors/Committee Members: Ignjatović, Ljubiša M., 1963-.

Subjects/Keywords: 6-aminoquinoline; 6-hydroxyquinoline; 8-hydroxyquinoline; Glassy Carbon Paste Electrode; Cyclic Voltammetry; Differential Pulse Voltammetry; Electrochemical Oxidation; Computational Methods; Computational Electrochemistry

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Stević, M. C. (2016). Voltametrijsko i hromatografsko ponašanje i određivanje 6- i 8-supstituisanih hinolina. (Thesis). Univerzitet u Beogradu. Retrieved from https://fedorabg.bg.ac.rs/fedora/get/o:12466/bdef:Content/get

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Stević, Milica C. “Voltametrijsko i hromatografsko ponašanje i određivanje 6- i 8-supstituisanih hinolina.” 2016. Thesis, Univerzitet u Beogradu. Accessed March 01, 2021. https://fedorabg.bg.ac.rs/fedora/get/o:12466/bdef:Content/get.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Stević, Milica C. “Voltametrijsko i hromatografsko ponašanje i određivanje 6- i 8-supstituisanih hinolina.” 2016. Web. 01 Mar 2021.

Vancouver:

Stević MC. Voltametrijsko i hromatografsko ponašanje i određivanje 6- i 8-supstituisanih hinolina. [Internet] [Thesis]. Univerzitet u Beogradu; 2016. [cited 2021 Mar 01]. Available from: https://fedorabg.bg.ac.rs/fedora/get/o:12466/bdef:Content/get.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Stević MC. Voltametrijsko i hromatografsko ponašanje i određivanje 6- i 8-supstituisanih hinolina. [Thesis]. Univerzitet u Beogradu; 2016. Available from: https://fedorabg.bg.ac.rs/fedora/get/o:12466/bdef:Content/get

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Univerzitet u Beogradu

8. Tolić, Ljiljana M., 1986-. Određivanje anizomicina tečnom hromatografijom sa tandem masenom spektrometrijom i elektrohemijskim metodama i primena na ispitivanje stabilnosti leka i njegove raspodele u tkivima pacova.

Degree: Tehnološko-metalurški fakultet, 2018, Univerzitet u Beogradu

URL: https://fedorabg.bg.ac.rs/fedora/get/o:17567/bdef:Content/get

►

Hemijske nauke / Chemical sciences

Lek anizomicin je potencijalni imunosupresor pri niskim dozama (≤ 0,1 μM). TakoĎe ima potencijalnu primenu kao psihofarmaceutik i antikancerogeni lek,… (more)

Subjects/Keywords: anisomycin; liquid chromatography–tandem mass spectrometry; electrochemical methods; biological material; tissue distribution of the drug; pharmacokinetic parameters; forced degradation

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APA (6^th Edition):

Tolić, Ljiljana M., 1. (2018). Određivanje anizomicina tečnom hromatografijom sa tandem masenom spektrometrijom i elektrohemijskim metodama i primena na ispitivanje stabilnosti leka i njegove raspodele u tkivima pacova. (Thesis). Univerzitet u Beogradu. Retrieved from https://fedorabg.bg.ac.rs/fedora/get/o:17567/bdef:Content/get

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Tolić, Ljiljana M., 1986-. “Određivanje anizomicina tečnom hromatografijom sa tandem masenom spektrometrijom i elektrohemijskim metodama i primena na ispitivanje stabilnosti leka i njegove raspodele u tkivima pacova.” 2018. Thesis, Univerzitet u Beogradu. Accessed March 01, 2021. https://fedorabg.bg.ac.rs/fedora/get/o:17567/bdef:Content/get.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Tolić, Ljiljana M., 1986-. “Određivanje anizomicina tečnom hromatografijom sa tandem masenom spektrometrijom i elektrohemijskim metodama i primena na ispitivanje stabilnosti leka i njegove raspodele u tkivima pacova.” 2018. Web. 01 Mar 2021.

Vancouver:

Tolić, Ljiljana M. 1. Određivanje anizomicina tečnom hromatografijom sa tandem masenom spektrometrijom i elektrohemijskim metodama i primena na ispitivanje stabilnosti leka i njegove raspodele u tkivima pacova. [Internet] [Thesis]. Univerzitet u Beogradu; 2018. [cited 2021 Mar 01]. Available from: https://fedorabg.bg.ac.rs/fedora/get/o:17567/bdef:Content/get.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Tolić, Ljiljana M. 1. Određivanje anizomicina tečnom hromatografijom sa tandem masenom spektrometrijom i elektrohemijskim metodama i primena na ispitivanje stabilnosti leka i njegove raspodele u tkivima pacova. [Thesis]. Univerzitet u Beogradu; 2018. Available from: https://fedorabg.bg.ac.rs/fedora/get/o:17567/bdef:Content/get

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Brno University of Technology

9. Urbánková, Kateřina. Elektrochemická charakterizace nanostrukturovaných povrchů modifikovaných biolátkami s thiolovou vazbou: Electrochemical Characterization of Nanostructured Surfaces Modified by Substancies with Thiol Bound.

Degree: 2019, Brno University of Technology

URL: http://hdl.handle.net/11012/31572

► This master thesis deals with nanotechnology, nanoparticles and nanostructured surfaces, electrochemical methods, especially voltammetry, cyclic voltammetry, electrochemical impedance spectroscopy and contact angle measurement. One part… (more)

Subjects/Keywords: Elektrochemické metody; cyklická voltametrie; elektrochemická impedanční spektroskopie; elektrochemická impedanční spektroskopie; elektrody; nanotechnologie; nanočástice; nanostruktury; kontaktní úhel; thiolová vazba; biolátky; kyselina 11-merkaptoundekanová; vazba streptavidin - biotin; Electrochemical methods; cyclic voltammetry; electrochemical impedance spectroskopy; electrochemical impedance spectroscopy; electrodes; nanotechnology; nanoparticles; nanostructures; contact angle; thiol bound; substancies; 11-mercaptoundecanoic acid; streptavidin - avidin bound

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Urbánková, K. (2019). Elektrochemická charakterizace nanostrukturovaných povrchů modifikovaných biolátkami s thiolovou vazbou: Electrochemical Characterization of Nanostructured Surfaces Modified by Substancies with Thiol Bound. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/31572

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Urbánková, Kateřina. “Elektrochemická charakterizace nanostrukturovaných povrchů modifikovaných biolátkami s thiolovou vazbou: Electrochemical Characterization of Nanostructured Surfaces Modified by Substancies with Thiol Bound.” 2019. Thesis, Brno University of Technology. Accessed March 01, 2021. http://hdl.handle.net/11012/31572.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Urbánková, Kateřina. “Elektrochemická charakterizace nanostrukturovaných povrchů modifikovaných biolátkami s thiolovou vazbou: Electrochemical Characterization of Nanostructured Surfaces Modified by Substancies with Thiol Bound.” 2019. Web. 01 Mar 2021.

Vancouver:

Urbánková K. Elektrochemická charakterizace nanostrukturovaných povrchů modifikovaných biolátkami s thiolovou vazbou: Electrochemical Characterization of Nanostructured Surfaces Modified by Substancies with Thiol Bound. [Internet] [Thesis]. Brno University of Technology; 2019. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/11012/31572.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Urbánková K. Elektrochemická charakterizace nanostrukturovaných povrchů modifikovaných biolátkami s thiolovou vazbou: Electrochemical Characterization of Nanostructured Surfaces Modified by Substancies with Thiol Bound. [Thesis]. Brno University of Technology; 2019. Available from: http://hdl.handle.net/11012/31572

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Manchester

10. Yang, Yuan Feng. CALCIUM AND MAGNESIUM CONTAINING ANTI-CORROSION FILMS ON MILD STEEL.

Degree: 2010, University of Manchester

URL: http://www.manchester.ac.uk/escholar/uk-ac-man-scw:90639

► Under normal conditions, cathodically protected mild steel in seawater is protected by a precipitated film of calcium carbonate and magnesium hydroxide, the so-called calcareous film.… (more)

▼ Under normal conditions, cathodically protected mild steel in seawater is protected by a precipitated film of calcium carbonate and magnesium hydroxide, the so-called calcareous film. This study has attempted to investigate the dynamics of calcareous deposit formation during cathodic protection and the composition of calcareous deposits formed under different applied current densities, and also the role played by the initial current density in forming a good quality calcareous deposit. In addition, an under protection situation can occur where current demand values are under estimated, or where structures are approaching the end of their design lives. In these conditions, a calcareous film might well occur but complete protection is probably not possible. These situations have also been studied. At low insufficient current densities where steel corrosion is still occurring, a clear correlation exists between the iron containing corrosion product and the overlaying magnesium hydroxide layer. Such effects have also been investigated using pH titration analysis, where the effect of co-precipitation of the iron and magnesium oxides/hydroxides has been shown. At higher current densities a layered precipitate has been shown to occur consisting of an inner magnesium containing layer and an outer calcium containing layer. At obvious overprotection current densities, the mechanical stresses involved in hydrogen evolution are assumed to give rise to film cracking. To augment and compliment the study on calcareous calcium/magnesium films formed during cathodic protection, a calcium-magnesium containing pigment has also been investigated in aqueous solutions at open circuit as a possible corrosion inhibitor. Another study looked at the same inhibitor in conjunction with a sacrificial zinc anode. Very effective inhibition has been shown with the film containing not only magnesium, calcium and phosphorous but also zinc. In all the investigations electrochemical methods have been used together with various surface analytical techniques. Advisors/Committee Members: COTTIS, ROBERT RA, Scantlebury, David, Cottis, Robert.

Subjects/Keywords: marine corrosion; cathodic protection; calcareous deposits; corrosion inhibitor; electrochemical methods; surface analytical techniques.

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APA (6^th Edition):

Yang, Y. F. (2010). CALCIUM AND MAGNESIUM CONTAINING ANTI-CORROSION FILMS ON MILD STEEL. (Doctoral Dissertation). University of Manchester. Retrieved from http://www.manchester.ac.uk/escholar/uk-ac-man-scw:90639

Chicago Manual of Style (16^th Edition):

Yang, Yuan Feng. “CALCIUM AND MAGNESIUM CONTAINING ANTI-CORROSION FILMS ON MILD STEEL.” 2010. Doctoral Dissertation, University of Manchester. Accessed March 01, 2021. http://www.manchester.ac.uk/escholar/uk-ac-man-scw:90639.

MLA Handbook (7^th Edition):

Yang, Yuan Feng. “CALCIUM AND MAGNESIUM CONTAINING ANTI-CORROSION FILMS ON MILD STEEL.” 2010. Web. 01 Mar 2021.

Vancouver:

Yang YF. CALCIUM AND MAGNESIUM CONTAINING ANTI-CORROSION FILMS ON MILD STEEL. [Internet] [Doctoral dissertation]. University of Manchester; 2010. [cited 2021 Mar 01]. Available from: http://www.manchester.ac.uk/escholar/uk-ac-man-scw:90639.

Council of Science Editors:

Yang YF. CALCIUM AND MAGNESIUM CONTAINING ANTI-CORROSION FILMS ON MILD STEEL. [Doctoral Dissertation]. University of Manchester; 2010. Available from: http://www.manchester.ac.uk/escholar/uk-ac-man-scw:90639

11. Sagaya Selvakumar, L. Studies on the biosensing techniques for the analysis of vitamin B12 in selected foods;.

Degree: 2013, University of Mysore

URL: http://shodhganga.inflibnet.ac.in/handle/10603/37092

newline

Advisors/Committee Members: Thakur, M. S..

Subjects/Keywords: Chemiluminescence; Electrochemical methods; Fermentation; Microbiological synthesis; Pharmaceutical and food analysis; Vitamin B12; Vitamins

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APA (6^th Edition):

Sagaya Selvakumar, L. (2013). Studies on the biosensing techniques for the analysis of vitamin B12 in selected foods;. (Thesis). University of Mysore. Retrieved from http://shodhganga.inflibnet.ac.in/handle/10603/37092

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Sagaya Selvakumar, L. “Studies on the biosensing techniques for the analysis of vitamin B12 in selected foods;.” 2013. Thesis, University of Mysore. Accessed March 01, 2021. http://shodhganga.inflibnet.ac.in/handle/10603/37092.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Sagaya Selvakumar, L. “Studies on the biosensing techniques for the analysis of vitamin B12 in selected foods;.” 2013. Web. 01 Mar 2021.

Vancouver:

Sagaya Selvakumar L. Studies on the biosensing techniques for the analysis of vitamin B12 in selected foods;. [Internet] [Thesis]. University of Mysore; 2013. [cited 2021 Mar 01]. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/37092.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Sagaya Selvakumar L. Studies on the biosensing techniques for the analysis of vitamin B12 in selected foods;. [Thesis]. University of Mysore; 2013. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/37092

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

12. Μακρή, Μαρία. Διερεύνηση του φαινομένου Nemca σε κατιονικούς αγωγούς με κινητικές μετρήσεις και με ηλεκτρονική μικροσκοπία σηράγγωσης (STM) και οξειδωτική σύζευξη μεθανίου σε αντιδραστήρα ανακύκλωσης με διαχωρισμό προϊόντων.

Degree: 1999, University of Patras

URL: http://nemertes.lis.upatras.gr/jspui/handle/10889/2043

- Advisors/Committee Members: Βαγενάς, Κ., Makri, Maria, Βαγενάς, Κ., Λαδάς, Σ., Μπεμπέλης, Σ., Βερύκιος, Ξενοφών, Λυκουργιώτης, Α., Ρουμπάνη-Καλαντζοπούλου, Φ., Πιζανιάς, Μ..

Subjects/Keywords: Αναλυτική χημεία; Ηλεκτροχημικές μέθοδοι; Ηλεκτροχημεία; 541.37; Analytical chemistry; Electrochemical methods; Electrochemistry

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APA (6^th Edition):

Μακρή, �. (1999). Διερεύνηση του φαινομένου Nemca σε κατιονικούς αγωγούς με κινητικές μετρήσεις και με ηλεκτρονική μικροσκοπία σηράγγωσης (STM) και οξειδωτική σύζευξη μεθανίου σε αντιδραστήρα ανακύκλωσης με διαχωρισμό προϊόντων. (Doctoral Dissertation). University of Patras. Retrieved from http://nemertes.lis.upatras.gr/jspui/handle/10889/2043

Chicago Manual of Style (16^th Edition):

Μακρή, Μαρία. “Διερεύνηση του φαινομένου Nemca σε κατιονικούς αγωγούς με κινητικές μετρήσεις και με ηλεκτρονική μικροσκοπία σηράγγωσης (STM) και οξειδωτική σύζευξη μεθανίου σε αντιδραστήρα ανακύκλωσης με διαχωρισμό προϊόντων.” 1999. Doctoral Dissertation, University of Patras. Accessed March 01, 2021. http://nemertes.lis.upatras.gr/jspui/handle/10889/2043.

MLA Handbook (7^th Edition):

Μακρή, Μαρία. “Διερεύνηση του φαινομένου Nemca σε κατιονικούς αγωγούς με κινητικές μετρήσεις και με ηλεκτρονική μικροσκοπία σηράγγωσης (STM) και οξειδωτική σύζευξη μεθανίου σε αντιδραστήρα ανακύκλωσης με διαχωρισμό προϊόντων.” 1999. Web. 01 Mar 2021.

Vancouver:

Μακρή �. Διερεύνηση του φαινομένου Nemca σε κατιονικούς αγωγούς με κινητικές μετρήσεις και με ηλεκτρονική μικροσκοπία σηράγγωσης (STM) και οξειδωτική σύζευξη μεθανίου σε αντιδραστήρα ανακύκλωσης με διαχωρισμό προϊόντων. [Internet] [Doctoral dissertation]. University of Patras; 1999. [cited 2021 Mar 01]. Available from: http://nemertes.lis.upatras.gr/jspui/handle/10889/2043.

Council of Science Editors:

Μακρή �. Διερεύνηση του φαινομένου Nemca σε κατιονικούς αγωγούς με κινητικές μετρήσεις και με ηλεκτρονική μικροσκοπία σηράγγωσης (STM) και οξειδωτική σύζευξη μεθανίου σε αντιδραστήρα ανακύκλωσης με διαχωρισμό προϊόντων. [Doctoral Dissertation]. University of Patras; 1999. Available from: http://nemertes.lis.upatras.gr/jspui/handle/10889/2043

Brno University of Technology

13. Hlavička, Michal. Elektrochemický senzor pro detekci kyseliny askorbové: Electrochemical sensor for ascorbic acid detection.

Degree: 2018, Brno University of Technology

URL: http://hdl.handle.net/11012/34478

► This work deals with electrochemical detection of ascorbic acid using screen-printed three-electrode sensors. The work is divided into three parts, where the first describes the… (more)

Subjects/Keywords: Kyselina askorbová; tlustovrstvá technologie; elektrody; senzory; elektrochemické metody; polarografie; votlametrie; ampérometrie; konduktivita; cyklická voltametrie; Ascorbic acid; thic film; electrodes; senosors; electrochemical methods; polarography; voltammetry; amperometry; conductivity; cyclic votlammetry

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Hlavička, M. (2018). Elektrochemický senzor pro detekci kyseliny askorbové: Electrochemical sensor for ascorbic acid detection. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/34478

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Hlavička, Michal. “Elektrochemický senzor pro detekci kyseliny askorbové: Electrochemical sensor for ascorbic acid detection.” 2018. Thesis, Brno University of Technology. Accessed March 01, 2021. http://hdl.handle.net/11012/34478.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Hlavička, Michal. “Elektrochemický senzor pro detekci kyseliny askorbové: Electrochemical sensor for ascorbic acid detection.” 2018. Web. 01 Mar 2021.

Vancouver:

Hlavička M. Elektrochemický senzor pro detekci kyseliny askorbové: Electrochemical sensor for ascorbic acid detection. [Internet] [Thesis]. Brno University of Technology; 2018. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/11012/34478.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Hlavička M. Elektrochemický senzor pro detekci kyseliny askorbové: Electrochemical sensor for ascorbic acid detection. [Thesis]. Brno University of Technology; 2018. Available from: http://hdl.handle.net/11012/34478

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Universidade do Rio Grande do Sul

14. Torres, Ariela da Silva. Avaliação da sensibilidade do CAIM - corrosão acelerada por imersão modificada - frente ao processo de corrosão em armaduras de concreto armado.

Degree: 2006, Universidade do Rio Grande do Sul

URL: http://hdl.handle.net/10183/7967

►

A construção civil vem se deparando com uma dualidade que envolve avanços dos métodos de cálculo e tecnologia dos materiais contraposto ao incremento das patologias… (more)

▼

A construção civil vem se deparando com uma dualidade que envolve avanços dos métodos de cálculo e tecnologia dos materiais contraposto ao incremento das patologias das construções. Inúmeros levantamentos estatísticos, realizados nos últimos anos, vem demonstrando a grande incidência e repercussão dos processos patológicos atuantes sobre as estruturas de concreto. Vários estudos comprovam que a corrosão de armaduras no concreto é de grande incidência nas construções e, na maioria dos casos, aquele que gera os maiores problemas, tanto em termos de custo como de segurança. Isto explica porque técnicas de medição de resistência à corrosão vêm sendo intensamente estudadas. Todavia, dada a complexidade do assunto e a falta de normalização específica, observa-se a existência de uma grande diversidade de métodos de ensaio, aliada à ausência de uma padronização dos tipos e condições de ensaio. A maioria dos pesquisadores adapta ensaios anteriormente realizados, sem realizar estudos específicos sobre a eficiência e reprodutibilidade dos mesmos. O presente trabalho descreve um estudo realizado com o intuito de avaliar qual os efeitos das variações das condições de ensaio, como tempo de exposição e diferença de potencial induzida, no comportamento de corpos-de-prova de diversas relações água/cimento testados pela metodologia CAIM, um tipo de ensaio acelerado comparativo de corrosão por imersão em solução salina, que já foi empregado em várias pesquisas no LEME. O objetivo é entender como o ensaio reage a variações de método, verificando sua sensibilidade a estas e definindo quais as condições padrão mais adequadas.

The construction community is facing a dualistic reality, where advances in design methods and materials technology are opposed by the increase in pathological problems registered in our structures. Several recent surveys have pointed out that several and important deterioration processes occur in concrete structures. Many studies indicate that reinforcement corrosion is one of the most prevalent and costly between these. That explains why there are so much interest in studying methods to evaluate the corrosion resistance of construction materials. However, given the complexity of the theme and the lack of standardization, a great diversity of methods have evolved, without a proper definition and parameterization of testing conditions. A great number of researches simply adapt methods used by others, not paying enough attention to the evaluation of the efficiency and reproducibility of the test method. This prevents the comparison of results and creates obstacles to sharing data and articulate research efforts. The present work describes a study aimed at evaluating the influence of variations in test conditions, such as exposure time and induce voltage, in the performance of mortar samples with different w/c relations subjected to the CAIM test. This comparative accelerated method, in which mortar samples are immersed on a saline solution and connected to a constant voltage source, has already been used in several…

Advisors/Committee Members: Silva Filho, Luiz Carlos Pinto da.

Subjects/Keywords: Corrosion; Corrosão; Ensaios (Engenharia); Test methods; Manifestações patológicas; Construccion of patology; Electrochemical test methods; Concreto armado

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APA (6^th Edition):

Torres, A. d. S. (2006). Avaliação da sensibilidade do CAIM - corrosão acelerada por imersão modificada - frente ao processo de corrosão em armaduras de concreto armado. (Thesis). Universidade do Rio Grande do Sul. Retrieved from http://hdl.handle.net/10183/7967

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Torres, Ariela da Silva. “Avaliação da sensibilidade do CAIM - corrosão acelerada por imersão modificada - frente ao processo de corrosão em armaduras de concreto armado.” 2006. Thesis, Universidade do Rio Grande do Sul. Accessed March 01, 2021. http://hdl.handle.net/10183/7967.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Torres, Ariela da Silva. “Avaliação da sensibilidade do CAIM - corrosão acelerada por imersão modificada - frente ao processo de corrosão em armaduras de concreto armado.” 2006. Web. 01 Mar 2021.

Vancouver:

Torres AdS. Avaliação da sensibilidade do CAIM - corrosão acelerada por imersão modificada - frente ao processo de corrosão em armaduras de concreto armado. [Internet] [Thesis]. Universidade do Rio Grande do Sul; 2006. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/10183/7967.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Torres AdS. Avaliação da sensibilidade do CAIM - corrosão acelerada por imersão modificada - frente ao processo de corrosão em armaduras de concreto armado. [Thesis]. Universidade do Rio Grande do Sul; 2006. Available from: http://hdl.handle.net/10183/7967

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Universidade do Estado do Rio de Janeiro

15. Marco André Abud Kappel. Emprego de técnicas computacionais estocásticas para simulação de diagramas de espectroscopia de impedância eletroquímica.

Degree: PhD, 2016, Universidade do Estado do Rio de Janeiro

URL: http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=9905 ;

►

A espectroscopia de impedância eletroquímica é uma técnica amplamente utilizada na caracterização de sistemas eletroquímicos. Além de possuir aplicações em diversas áreas, a técnica tem… (more)

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A espectroscopia de impedância eletroquímica é uma técnica amplamente utilizada na caracterização de sistemas eletroquímicos. Além de possuir aplicações em diversas áreas, a técnica tem grande utilidade no estudo da corrosão, pois é sensível às variações transientes que ocorrem na interface metálica. Os resultados provenientes da técnica podem ser expressos e interpretados de diversas formas, possibilitando diferentes metodologias de modelagem e análise, como o uso de modelos cinéticos ou circuitos elétricos equivalentes. Em corrosão, a técnica é aplicada, normalmente, em poucos potenciais específicos, como o de corrosão, o de maior importância. Com a motivação de aprimorar o procedimento de modelagem e análise de dados de impedância, levando em consideração que os fenômenos eletroquímicos estão fortemente ligados ao potencial, este trabalho introduz a possibilidade de expressar os dados de impedância em uma ampla faixa de potencial, e utilizá-los para ajuste de circuitos equivalentes. Assim, os diferentes fenômenos podem ser modelados, adequadamente, por circuitos elétricos equivalentes correspondentes a diferentes potenciais. Com esta finalidade, o problema inverso associado é resolvido para cada potencial, por meio de um processo de otimização complexa não-linear. Além dos dados transientes obtidos pela espectroscopia, dados estacionários são utilizados na otimização de forma original, como uma regularização do problema, ajudando a garantir a obtenção de uma solução coerente com os fenômenos físicos envolvidos, desde a frequência máxima do ensaio até a frequência nula. Um software de análise, modelagem e simulação foi desenvolvido, com as seguintes funcionalidades: 1) validação dos dados experimentais, por meio das relações de Kramers-Kronig; 2) visualização simultânea dos dados de impedância para ampla faixa de potencial; 3) ajuste de diferentes circuitos equivalentes para diferentes faixas, utilizando dados experimentais transientes e estacionários, em conjunto com métodos determinísticos ou estocásticos; 4) geração de regiões de confiança para os parâmetros ajustados, tornando-os estatisticamente significativos; 5) simulações utilizando os circuitos equivalentes ajustados em cluster de computador; 6) apresentação de análise de sensibilidade dos parâmetros de acordo com o potencial aplicado, revelando características físicas importantes envolvidas nos processos eletroquímicos. Por fim, resultados experimentais dos ajustes e das simulações correspondentes são mostrados e discutidos. Os resultados obtidos mostram que a utilização de um método de otimização estocástico populacional não apenas aumenta as probabilidades de se encontrar uma solução melhor, como também possibilita a geração das regiões de confiança em torno dos valores encontrados. Além disso, apenas o circuito ajustado com a nova função objetivo possui equivalência tanto com os dados transientes quanto com os dados estacionários, para toda a faixa de potencial envolvida.

Electrochemical impedance spectroscopy is a widely used technique in…

Advisors/Committee Members: Roberto Pinheiro Domingos, Nadia Nedjah, Luiza de Macedo Mourelle, Eliane D'Elia, Cláudio Márcio do Nascimento Abreu Pereira, Ivan Napoleão Bastos.

Subjects/Keywords: Impedância (Eletricidade); Espectroscopia de impedância eletroquímica; Corrosão; Eletroquímica; Otimização complexa não-linear; Circuito elétrico equivalente; Técnicas estocásticas; Electrochemical impedance spectroscopy; Corrosion; Complex nonlinear optimization; Equivalent electrical circuit; Stochastic methods; ENGENHARIA ELETRICA

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Kappel, M. A. A. (2016). Emprego de técnicas computacionais estocásticas para simulação de diagramas de espectroscopia de impedância eletroquímica. (Doctoral Dissertation). Universidade do Estado do Rio de Janeiro. Retrieved from http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=9905 ;

Chicago Manual of Style (16^th Edition):

Kappel, Marco André Abud. “Emprego de técnicas computacionais estocásticas para simulação de diagramas de espectroscopia de impedância eletroquímica.” 2016. Doctoral Dissertation, Universidade do Estado do Rio de Janeiro. Accessed March 01, 2021. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=9905 ;.

MLA Handbook (7^th Edition):

Kappel, Marco André Abud. “Emprego de técnicas computacionais estocásticas para simulação de diagramas de espectroscopia de impedância eletroquímica.” 2016. Web. 01 Mar 2021.

Vancouver:

Kappel MAA. Emprego de técnicas computacionais estocásticas para simulação de diagramas de espectroscopia de impedância eletroquímica. [Internet] [Doctoral dissertation]. Universidade do Estado do Rio de Janeiro; 2016. [cited 2021 Mar 01]. Available from: http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=9905 ;.

Council of Science Editors:

Kappel MAA. Emprego de técnicas computacionais estocásticas para simulação de diagramas de espectroscopia de impedância eletroquímica. [Doctoral Dissertation]. Universidade do Estado do Rio de Janeiro; 2016. Available from: http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=9905 ;

16. Longo, Claudia. Estudos de adsorção em interfaces SnO2|H2O.

Degree: Mestrado, Físico-Química, 1994, University of São Paulo

URL: http://www.teses.usp.br/teses/disponiveis/46/46132/tde-29102014-125817/ ;

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Estudos da adsorção de prótons e hidroxilas, considerados os íons determinantes de potencial para interfases óxido|H2O, e de surfactantes iônicos e não iônicos foram realizados… (more)

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Estudos da adsorção de prótons e hidroxilas, considerados os íons determinantes de potencial para interfases óxido|H2O, e de surfactantes iônicos e não iônicos foram realizados para duas amostras de SnO2 obtidas através de métodos de preparação distintos. Uma amostra foi obtida pela oxidação de Sn metálico com HNO3 (conc.) e calcinação (amostra I) e a outra pela oxidação de Sn metálico com HCl (conc.), precipitação com ácido oxálico e calcinação (amostra II). A caracterização física das amostras identificou-as como sendo cristalinas, com estrutura de cassiterita e áreas específicas de 11,9 e 8,57 m2/g para as amostras I e II, respectivamente. A adsorção dos íons H+ e OH- foi determinada através de titulações potenciométricas ácido-base de suspensões do óxido em meio de KNO3 10-3 a 0,5 M. Através dos excessos superficiais destes íons, determinaram-se as curvas da variação da densidade de carga superficial (δo) em função do pH e da força iônica das suspensões. O ponto de carga zero da interfase foi determinado através do ponto de intersecção comum das curvas obtidas em diferentes concentrações do eletrólito suporte. Os valores obtidos foram pH (7,9 ± 0,3) para a amostra I e (7,0 ± 0,1) para a amostra II. A comparação das curvas mostrou que a amostra I apresenta valores de δo maiores que os correspondentes da amostra II, para condições de pH inferiores ao pcz. O estudo da adsorção de surfactantes consistiu na obtenção e análise de isotermas de adsorção de dodecilbenzenosulfonato de sódio (DBS), cloreto de benzil-hexadecildimetilamônio (CBz) e Triton X-100 (TX100). As isotermas foram determinadas a 25 °C em três condições nas quais a interfase apresenta valores distintos de δo. Para os surfactantes iônicos, o estudo foi realizado em condições nas quais a interfase apresenta densidades de carga opostas às dos tensoativos; para o TXI00, foram escolhidas condições nas quais a interfase apresenta carga aproximadamente nula. O comportamento apresentado pelas isotermas foi discutido em função das interações eletrostáticas e hidrofóbicas que ocorrem no sistema. A análise das isotermas obtidas para o DBS mostrou que a adsorção é favorecida quanto maiores a acidez e a concentração do eletrólito suporte, ou seja, para valores crescentes de δo. Para o TX100, as variáveis de pH e força iônica não exercem influência significativa na adsorção. Para o CBz, os resultados obtidos não permitiram avaliar a influência das forças de atração eletrostática no processo de adsorção deste sulfactante no sistema estudado. Através dos resultados obtidos, observou-se que a amostra I apresenta maior afinidade por prótons que a amostra II e que ambas as amostras apresentam afinidade aproximadamente equivalente por hidroxilas. No estudo referente à adsorção de sulfactantes, obteve-se que a amostra II apresenta maior capacidade de adsorção que a amostra I, comportamento oposto ao esperado considerando os valores de densidade de carga superficial e área específica determinados para as duas amostras.

The adsorption of H+ and OH-…

Advisors/Committee Members: Sumodjo, Paulo Teng An.

Subjects/Keywords: Adsorção; Adsorption; Electrochemical methods; Físico-química; Método eletroquímico; Oxides; Óxidos; Physical chemistry; Propriedades superficiais; SnO2; SnO2; Surface properties

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Longo, C. (1994). Estudos de adsorção em interfaces SnO2|H2O. (Masters Thesis). University of São Paulo. Retrieved from http://www.teses.usp.br/teses/disponiveis/46/46132/tde-29102014-125817/ ;

Chicago Manual of Style (16^th Edition):

Longo, Claudia. “Estudos de adsorção em interfaces SnO2|H2O.” 1994. Masters Thesis, University of São Paulo. Accessed March 01, 2021. http://www.teses.usp.br/teses/disponiveis/46/46132/tde-29102014-125817/ ;.

MLA Handbook (7^th Edition):

Longo, Claudia. “Estudos de adsorção em interfaces SnO2|H2O.” 1994. Web. 01 Mar 2021.

Vancouver:

Longo C. Estudos de adsorção em interfaces SnO2|H2O. [Internet] [Masters thesis]. University of São Paulo; 1994. [cited 2021 Mar 01]. Available from: http://www.teses.usp.br/teses/disponiveis/46/46132/tde-29102014-125817/ ;.

Council of Science Editors:

Longo C. Estudos de adsorção em interfaces SnO2|H2O. [Masters Thesis]. University of São Paulo; 1994. Available from: http://www.teses.usp.br/teses/disponiveis/46/46132/tde-29102014-125817/ ;

17. ΓΑΚΗΣ, ΔΗΜΗΤΡΙΟΣ. ΗΛΕΚΤΡΟΧΗΜΙΚΕΣ ΜΕΘΟΔΟΙ ΓΙΑ ΤΗΝ ΑΞΙΟΛΟΓΗΣΗ ΧΗΜΙΚΩΝ ΕΠΙΒΡΑΔΥΝΤΩΝ ΔΑΣΙΚΩΝ ΠΥΡΚΑΓΙΩΝ.

Degree: 1998, National Technical University of Athens (NTUA); Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)

URL: http://hdl.handle.net/10442/hedi/9934

Subjects/Keywords: ΑΓΩΓΙΜΟΜΕΤΡΙΑ; Πυρκαγιές, Δασικές; ΔΑΣΙΚΗ ΥΛΗ; ΔΥΝΑΜΟΜΕΤΡΙΑ; ΕΠΙΒΡΑΔΥΝΣΗ; ΗΛΕΚΤΡΟΧΗΜΙΚΕΣ ΤΕΧΝΙΚΕΣ; Καύση; Πυρόλυση; Φωτιά; Χημικοί επιβραδυντές; ELECTROCHEMICAL METHODS; FOREST MATERIALS; Pyrolysis

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APA (6^th Edition):

ΓΑΚΗΣ, . �. (1998). ΗΛΕΚΤΡΟΧΗΜΙΚΕΣ ΜΕΘΟΔΟΙ ΓΙΑ ΤΗΝ ΑΞΙΟΛΟΓΗΣΗ ΧΗΜΙΚΩΝ ΕΠΙΒΡΑΔΥΝΤΩΝ ΔΑΣΙΚΩΝ ΠΥΡΚΑΓΙΩΝ. (Thesis). National Technical University of Athens (NTUA); Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ). Retrieved from http://hdl.handle.net/10442/hedi/9934

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

ΓΑΚΗΣ, ΔΗΜΗΤΡΙΟΣ. “ΗΛΕΚΤΡΟΧΗΜΙΚΕΣ ΜΕΘΟΔΟΙ ΓΙΑ ΤΗΝ ΑΞΙΟΛΟΓΗΣΗ ΧΗΜΙΚΩΝ ΕΠΙΒΡΑΔΥΝΤΩΝ ΔΑΣΙΚΩΝ ΠΥΡΚΑΓΙΩΝ.” 1998. Thesis, National Technical University of Athens (NTUA); Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ). Accessed March 01, 2021. http://hdl.handle.net/10442/hedi/9934.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

ΓΑΚΗΣ, ΔΗΜΗΤΡΙΟΣ. “ΗΛΕΚΤΡΟΧΗΜΙΚΕΣ ΜΕΘΟΔΟΙ ΓΙΑ ΤΗΝ ΑΞΙΟΛΟΓΗΣΗ ΧΗΜΙΚΩΝ ΕΠΙΒΡΑΔΥΝΤΩΝ ΔΑΣΙΚΩΝ ΠΥΡΚΑΓΙΩΝ.” 1998. Web. 01 Mar 2021.

Vancouver:

ΓΑΚΗΣ �. ΗΛΕΚΤΡΟΧΗΜΙΚΕΣ ΜΕΘΟΔΟΙ ΓΙΑ ΤΗΝ ΑΞΙΟΛΟΓΗΣΗ ΧΗΜΙΚΩΝ ΕΠΙΒΡΑΔΥΝΤΩΝ ΔΑΣΙΚΩΝ ΠΥΡΚΑΓΙΩΝ. [Internet] [Thesis]. National Technical University of Athens (NTUA); Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ); 1998. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/10442/hedi/9934.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

ΓΑΚΗΣ �. ΗΛΕΚΤΡΟΧΗΜΙΚΕΣ ΜΕΘΟΔΟΙ ΓΙΑ ΤΗΝ ΑΞΙΟΛΟΓΗΣΗ ΧΗΜΙΚΩΝ ΕΠΙΒΡΑΔΥΝΤΩΝ ΔΑΣΙΚΩΝ ΠΥΡΚΑΓΙΩΝ. [Thesis]. National Technical University of Athens (NTUA); Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ); 1998. Available from: http://hdl.handle.net/10442/hedi/9934

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Universidade Federal de Santa Maria

18. Maurício Hilgemann. AVALIAÇÃO DA CAPACIDADE ANTIOXIDANTE IN VITRO E IN VIVO CONTRA RADICAIS PEROXILA E HIDROXILA EM AMOSTRAS DE PLANTAS MEDICINAIS.

Degree: 2010, Universidade Federal de Santa Maria

URL: http://coralx.ufsm.br/tede/tde_busca/arquivo.php?codArquivo=3324

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O presente trabalho visa ao desenvolvimento de novas metodologias para a determinação da capacidade antioxidante in vitro e in vivo contra radicais peroxila e hidroxila… (more)

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O presente trabalho visa ao desenvolvimento de novas metodologias para a determinação da capacidade antioxidante in vitro e in vivo contra radicais peroxila e hidroxila em amostras de 5 plantas medicinais (Matricaria chamomilla L., Psidium guajava, Achyrocline satureoides, Baccharis genistelloides e Cymbopogon citratus) e sete compostos fenólicos (rutina, quercetina, resveratrol, ácido cafeico, ácido ferúlico, ácido gálico e ácido rosmarínico). A capacidade antioxidante das amostras foi determinada por dois métodos independentes. No primeiro, testou-se uma nova forma para a detecção de radicais hidroxila, usando-se um procedimento eletroquímico no qual os radicais destroem uma monocamada auto-organizada de hexanotiol sob um eletrodo de ouro. Esta monocamada consegue inibir o sinal eletroquímico de um par redox dissolvido, e, ao ser atacada por radicais livres, estes a destroem, e a recuperação do sinal eletroquímico do par redox se dá de forma proporcional à extensão de dissolução da monocamada. No segundo método, a determinação da capacidade antioxidante contra radicais peroxila e hidroxila ocorre através da detecção indireta destes radicais por fluorimetria (ex/em: 485/520 nm), empregando diacetato de 2,7-diclorofluoresceína (DCFH-DA) como substrato. O DCFH-DA, após sofrer desacetilação, pode ser oxidado por espécies reativas de oxigênio (ERO), gerando fluorescência. Os radicais peroxila foram gerados através da termodegradação do reagente cloreto de 2,2-azobis (2-metilamidinopropano) (ABAP) a 37C, enquanto os radicais hidroxila foram gerados pela reação de Fenton. Ensaios in vivo foram avaliados utilizando-se hepatócitos do peixe zebra (Danio rerio), expostos aos extratos das plantas P. guajava e C. citratus (melhor e pior desempenho in vitro, respectivamente). Os resultados obtidos pelos métodos eletroquímico e fluorimétrico demonstram que é extremamente difícil classificar as plantas de acordo com sua capacidade antioxidante, uma vez que o resultado obtido depende fortemente da concentração e da composição química dos extratos, além do princípio do método analítico empregado. Entretanto, obteve-se uma boa correlação entre os ensaios in vitro e in vivo feitos para os extratos das plantas P. guajava e C. citratus, já que os resultados obtidos mostraram uma redução da concentração de ERO intracelular em forma dose-dependete nos hepatócitos expostos a P. guajava, sem se observar efeito antioxidante no ensaio com C. citratus, a exemplo dos ensaios in vitro realizados. O presente trabalho pretende chamar a atenção para esses diferentes resultados obtidos, e compara os diferentes métodos levando em consideração as diferenças existentes entre as metodologias, assim como as diferenças existentes entre os radicais testados. Além disso, discute-se a estabilidade, a reatividade e tempo de meia-vida destas espécies.

The present work reports the development of new methodologies to evaluate the in vitro and in vivo antioxidant capacity against peroxyl and hydroxyl radicals in five medicinal plant samples (Matricaria…

Advisors/Committee Members: Solange Cristina Garcia, Leandro Machado de Carvalho, Marcelo Barcellos da Rosa, José María Monserrat.

Subjects/Keywords: compostos fenólicos, métodos eletroquímicos e fluorimétricos; extratos de plantas medicinais; capacidade antioxidante; QUIMICA; plant extracts; antioxidant capacity; phenolic compounds; electrochemical and fluorimetric methods; in vitro × in vivo assays; testes in vitro × testes in vivo

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Hilgemann, M. (2010). AVALIAÇÃO DA CAPACIDADE ANTIOXIDANTE IN VITRO E IN VIVO CONTRA RADICAIS PEROXILA E HIDROXILA EM AMOSTRAS DE PLANTAS MEDICINAIS. (Thesis). Universidade Federal de Santa Maria. Retrieved from http://coralx.ufsm.br/tede/tde_busca/arquivo.php?codArquivo=3324

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Hilgemann, Maurício. “AVALIAÇÃO DA CAPACIDADE ANTIOXIDANTE IN VITRO E IN VIVO CONTRA RADICAIS PEROXILA E HIDROXILA EM AMOSTRAS DE PLANTAS MEDICINAIS.” 2010. Thesis, Universidade Federal de Santa Maria. Accessed March 01, 2021. http://coralx.ufsm.br/tede/tde_busca/arquivo.php?codArquivo=3324.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Hilgemann, Maurício. “AVALIAÇÃO DA CAPACIDADE ANTIOXIDANTE IN VITRO E IN VIVO CONTRA RADICAIS PEROXILA E HIDROXILA EM AMOSTRAS DE PLANTAS MEDICINAIS.” 2010. Web. 01 Mar 2021.

Vancouver:

Hilgemann M. AVALIAÇÃO DA CAPACIDADE ANTIOXIDANTE IN VITRO E IN VIVO CONTRA RADICAIS PEROXILA E HIDROXILA EM AMOSTRAS DE PLANTAS MEDICINAIS. [Internet] [Thesis]. Universidade Federal de Santa Maria; 2010. [cited 2021 Mar 01]. Available from: http://coralx.ufsm.br/tede/tde_busca/arquivo.php?codArquivo=3324.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Hilgemann M. AVALIAÇÃO DA CAPACIDADE ANTIOXIDANTE IN VITRO E IN VIVO CONTRA RADICAIS PEROXILA E HIDROXILA EM AMOSTRAS DE PLANTAS MEDICINAIS. [Thesis]. Universidade Federal de Santa Maria; 2010. Available from: http://coralx.ufsm.br/tede/tde_busca/arquivo.php?codArquivo=3324

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Université de Lorraine

19. Faiz, Hadri. Étude du mécanisme de corrosion atmosphérique à long terme des aciers : nouvelles stratégies de protection des aciers du patrimoine culturel : Studying the mechanisms of long-term atmospheric corrosion of low alloy steel : new strategies for protection of cultural heritage artefacts.

Degree: Docteur es, Chimie, 2012, Université de Lorraine

URL: http://www.theses.fr/2012LORR0314

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La thèse porte sur l'étude de la compréhension des mécanismes de corrosion atmosphérique à long terme des alliages ferreux. Les applications sont doubles : d'une… (more)

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La thèse porte sur l'étude de la compréhension des mécanismes de corrosion atmosphérique à long terme des alliages ferreux. Les applications sont doubles : d'une part, l'entreposage multi-barrières des déchets nucléaires en surface pendant plusieurs centaines d'années, et d'autre part, la préservation et conservation des objets du patrimoine. Dans un premier axe d'étude, une caractérisation fine du système de produits de corrosion est nécessaire afin de déterminer les phases en présence, leur localisation et leur rôle dans les mécanismes. Cela a nécessité de travailler sur des objets issus des sites archéologiques de référence afin de prélever des échantillons d'études. Dans un second axe d'étude, la réactivité de ces phases et leur comportement électrochimique dans les conditions de corrosion doit être déterminée précisément. Il est alors nécessaire de combiner des études sur phases de référence et sur les objets archéologiques eux-mêmes. La localisation des sites de réduction de l'oxygène dans les objets archéologiques doit être déterminée, après les avoir remis quelques mois en corrosion dans des milieux contenant des traceurs judicieux (l'oxygène 18O2), à l'aide des méthodes nucléaires adhoc. En dernier axe, l'identification de ces processus moteur devrait permettre de proposer de nouvelles méthodes d'inhibition de la corrosion à long terme. Cela concerne uniquement le patrimoine

The present report relates to the understanding of long term atmospheric corrosion mechanisms of low alloy steels which are necessary for various applications such as the interim storage of nuclear waste, and the conservation of cultural heritage artefacts. At a first stage, it may be necessary to characterize ancient corrosion system in order to identify the reactive phases in the rust layers, their localisation and their role in the mechanism. In that purpose, the work on objects reference archaeological sites (analogues) can help to take sample of studies. At a second stage, the electrochemical behaviour and their reactive of the phases constitutive of the corrosion layer must be determined precisely. In that field, it is necessary to combine the study of the pure phases and the powders taken on the analogues. The localisation of oxygen reduction sites in the rust layer is a very pertinent tool. To that end, specific experiments have been set up to re-corrode the ancient samples in marked medium (using 18O2), were investigated by nuclear reaction analysis. Finally, the identification of these newly-formed phases give precious information to develop new methods of inhibition of long term corrosion. It concerns only the heritage

Advisors/Committee Members: Rocca, Emmanuel (thesis director), Dillmann, Philippe (thesis director).

Subjects/Keywords: Corrosion atmosphérique à long terme; Fer; Produits de corrosion; Électrochimie; Sites de réduction de l'oxygène; Méthodes d'inhibition; Long term atmospheric corrosion; Corrosion product; Iron; Electrochemical; Oxygen reduction sites; Inhibition methods; 620.162 3

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Faiz, H. (2012). Étude du mécanisme de corrosion atmosphérique à long terme des aciers : nouvelles stratégies de protection des aciers du patrimoine culturel : Studying the mechanisms of long-term atmospheric corrosion of low alloy steel : new strategies for protection of cultural heritage artefacts. (Doctoral Dissertation). Université de Lorraine. Retrieved from http://www.theses.fr/2012LORR0314

Chicago Manual of Style (16^th Edition):

Faiz, Hadri. “Étude du mécanisme de corrosion atmosphérique à long terme des aciers : nouvelles stratégies de protection des aciers du patrimoine culturel : Studying the mechanisms of long-term atmospheric corrosion of low alloy steel : new strategies for protection of cultural heritage artefacts.” 2012. Doctoral Dissertation, Université de Lorraine. Accessed March 01, 2021. http://www.theses.fr/2012LORR0314.

MLA Handbook (7^th Edition):

Faiz, Hadri. “Étude du mécanisme de corrosion atmosphérique à long terme des aciers : nouvelles stratégies de protection des aciers du patrimoine culturel : Studying the mechanisms of long-term atmospheric corrosion of low alloy steel : new strategies for protection of cultural heritage artefacts.” 2012. Web. 01 Mar 2021.

Vancouver:

Faiz H. Étude du mécanisme de corrosion atmosphérique à long terme des aciers : nouvelles stratégies de protection des aciers du patrimoine culturel : Studying the mechanisms of long-term atmospheric corrosion of low alloy steel : new strategies for protection of cultural heritage artefacts. [Internet] [Doctoral dissertation]. Université de Lorraine; 2012. [cited 2021 Mar 01]. Available from: http://www.theses.fr/2012LORR0314.

Council of Science Editors:

Faiz H. Étude du mécanisme de corrosion atmosphérique à long terme des aciers : nouvelles stratégies de protection des aciers du patrimoine culturel : Studying the mechanisms of long-term atmospheric corrosion of low alloy steel : new strategies for protection of cultural heritage artefacts. [Doctoral Dissertation]. Université de Lorraine; 2012. Available from: http://www.theses.fr/2012LORR0314

20. Civit Pitarch, Laia. Development of electrochemical biosensors and solid-phase amplification methods for the detection of human papillomavirus genes.

Degree: Departament d'Enginyeria Química, 2012, Universitat Rovira i Virgili

URL: http://hdl.handle.net/10803/84033

► A rapid, accurate and reliable diagnosis is crucial for the identification of a disease, like cancer, where an early detection can improve patient survival outcomes.… (more)

Subjects/Keywords: Electrochemical biosensors; Solid-phase amplification methods; Human papillomavirus; Clinical analysis; Helicase-dependent amplification; Diazonium salts; 543

…ELECTROCHEMICAL BIOSENSORS AND SOLID-PHASE AMPLIFICATION METHODS FOR THE DETECTION OF HUM Laia Civit… …ELECTROCHEMICAL BIOSENSORS AND SOLID-PHASE AMPLIFICATION METHODS FOR THE DETECTION OF HUM Laia Civit… …VIRGILI DEVELOPMENT OF ELECTROCHEMICAL BIOSENSORS AND SOLID-PHASE AMPLIFICATION METHODS FOR THE… …DEVELOPMENT OF ELECTROCHEMICAL BIOSENSORS AND SOLID-PHASE AMPLIFICATION METHODS FOR THE DETECTION OF… …methods 4 1.2.1.1 Label-free methods 5 1.2.2 Surface chemistry of electrochemical DNA…

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APA (6^th Edition):

Civit Pitarch, L. (2012). Development of electrochemical biosensors and solid-phase amplification methods for the detection of human papillomavirus genes. (Thesis). Universitat Rovira i Virgili. Retrieved from http://hdl.handle.net/10803/84033

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Civit Pitarch, Laia. “Development of electrochemical biosensors and solid-phase amplification methods for the detection of human papillomavirus genes.” 2012. Thesis, Universitat Rovira i Virgili. Accessed March 01, 2021. http://hdl.handle.net/10803/84033.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Civit Pitarch, Laia. “Development of electrochemical biosensors and solid-phase amplification methods for the detection of human papillomavirus genes.” 2012. Web. 01 Mar 2021.

Vancouver:

Civit Pitarch L. Development of electrochemical biosensors and solid-phase amplification methods for the detection of human papillomavirus genes. [Internet] [Thesis]. Universitat Rovira i Virgili; 2012. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/10803/84033.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Civit Pitarch L. Development of electrochemical biosensors and solid-phase amplification methods for the detection of human papillomavirus genes. [Thesis]. Universitat Rovira i Virgili; 2012. Available from: http://hdl.handle.net/10803/84033

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Manchester

21. Yang, Yuan Feng. Calcium and magnesium containing anti-corrosion films on mild steel.

Degree: PhD, 2010, University of Manchester

URL: https://www.research.manchester.ac.uk/portal/en/theses/calcium-and-magnesium-containing-anticorrosion-films-on-mild-steel(34a7b76f-8ba6-49a7-a1fa-d87f52dc230f).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.525218

► Under normal conditions, cathodically protected mild steel in seawater is protected by a precipitated film of calcium carbonate and magnesium hydroxide, the so-called calcareous film.… (more)

▼ Under normal conditions, cathodically protected mild steel in seawater is protected by a precipitated film of calcium carbonate and magnesium hydroxide, the so-called calcareous film. This study has attempted to investigate the dynamics of calcareous deposit formation during cathodic protection and the composition of calcareous deposits formed under different applied current densities, and also the role played by the initial current density in forming a good quality calcareous deposit. In addition, an under protection situation can occur where current demand values are under estimated, or where structures are approaching the end of their design lives. In these conditions, a calcareous film might well occur but complete protection is probably not possible. These situations have also been studied. At low insufficient current densities where steel corrosion is still occurring, a clear correlation exists between the iron containing corrosion product and the overlaying magnesium hydroxide layer. Such effects have also been investigated using pH titration analysis, where the effect of co-precipitation of the iron and magnesium oxides/hydroxides has been shown. At higher current densities a layered precipitate has been shown to occur consisting of an inner magnesium containing layer and an outer calcium containing layer. At obvious overprotection current densities, the mechanical stresses involved in hydrogen evolution are assumed to give rise to film cracking. To augment and compliment the study on calcareous calcium/magnesium films formed during cathodic protection, a calcium-magnesium containing pigment has also been investigated in aqueous solutions at open circuit as a possible corrosion inhibitor. Another study looked at the same inhibitor in conjunction with a sacrificial zinc anode. Very effective inhibition has been shown with the film containing not only magnesium, calcium and phosphorous but also zinc. In all the investigations electrochemical methods have been used together with various surface analytical techniques.

Subjects/Keywords: 669; marine corrosion, cathodic protection, calcareous deposits, corrosion inhibitor, electrochemical methods, surface analytical techniques.

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APA (6^th Edition):

Yang, Y. F. (2010). Calcium and magnesium containing anti-corrosion films on mild steel. (Doctoral Dissertation). University of Manchester. Retrieved from https://www.research.manchester.ac.uk/portal/en/theses/calcium-and-magnesium-containing-anticorrosion-films-on-mild-steel(34a7b76f-8ba6-49a7-a1fa-d87f52dc230f).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.525218

Chicago Manual of Style (16^th Edition):

Yang, Yuan Feng. “Calcium and magnesium containing anti-corrosion films on mild steel.” 2010. Doctoral Dissertation, University of Manchester. Accessed March 01, 2021. https://www.research.manchester.ac.uk/portal/en/theses/calcium-and-magnesium-containing-anticorrosion-films-on-mild-steel(34a7b76f-8ba6-49a7-a1fa-d87f52dc230f).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.525218.

MLA Handbook (7^th Edition):

Yang, Yuan Feng. “Calcium and magnesium containing anti-corrosion films on mild steel.” 2010. Web. 01 Mar 2021.

Vancouver:

Yang YF. Calcium and magnesium containing anti-corrosion films on mild steel. [Internet] [Doctoral dissertation]. University of Manchester; 2010. [cited 2021 Mar 01]. Available from: https://www.research.manchester.ac.uk/portal/en/theses/calcium-and-magnesium-containing-anticorrosion-films-on-mild-steel(34a7b76f-8ba6-49a7-a1fa-d87f52dc230f).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.525218.

Council of Science Editors:

Yang YF. Calcium and magnesium containing anti-corrosion films on mild steel. [Doctoral Dissertation]. University of Manchester; 2010. Available from: https://www.research.manchester.ac.uk/portal/en/theses/calcium-and-magnesium-containing-anticorrosion-films-on-mild-steel(34a7b76f-8ba6-49a7-a1fa-d87f52dc230f).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.525218

22. Majer, David. Razvoj in validacija elektroanaliznih metod za določanje epinefrina, askorbinske kisline in sečne kisline.

Degree: 2020, Univerza v Mariboru

URL: https://dk.um.si/IzpisGradiva.php?id=76987 ; https://dk.um.si/Dokument.php?id=145201&dn= ; https://plus.si.cobiss.net/opac7/bib/31805443?lang=sl

►

Magistrska naloga prikazuje razvoj in validacijo elektroanaliznih metod za določanje molekul epinefrina (EP), askorbinske kisline (AK) in sečne kisline (SK) z elektrodo iz steklastega ogljika… (more)

▼

Magistrska naloga prikazuje razvoj in validacijo elektroanaliznih metod za določanje molekul epinefrina (EP), askorbinske kisline (AK) in sečne kisline (SK) z elektrodo iz steklastega ogljika in tehniko angl. square-wave voltametrije. Metode smo razvili in validirali kot nadomestek tekočinski kromatografiji visoke ločljivosti in plinski kromatografiji. Za študij difuzijsko kontrolirane reverzibilnosti sistema kalijevega heksacianoferata in določitev oksidacijsko redukcijskih potencialov analitov smo uporabili tehniko ciklične voltametrije. V sklopu validacije smo za vsak analit posamično preverjali mejo zaznavnosti, mejo določljivosti, linearnost, točnost in natančnost. Izmerjene podatke smo testirali za normalnost s Q-Q grafom in Kolmogorov-Smirnovim statističnim testom. Pri vsaki metodi smo preverjali homoscedastičnost ali heteroscedastičnost umeritvenih točk z analizo ostankov, Hartleyjevim testom, Bartlettovim testom in Cochranovim testom. Zaradi heteroscedastičnega obnašanja analiznih podatkov pri vseh analitih, smo uporabili uteženo linearno regresijo (angl. weighted linear regression) in s tem izboljšali kakovost analitskih rezultatov. Z dobljenim utežnim modelom smo nato preverjali točnost in natančnost metod. Razvite in validirane metode smo uspešno uporabili za analizo realnih vzorcev. Določevali smo vsebnost EP v zdravilu, vsebnost AK v prehranskem dopolnilu in vsebnost SK v človeškem urinu.

The master thesis presents the development and validation of electroanalytical methods for the determination of epinephrine (EP), ascorbic acid (AK), and uric acid (SK) using glassy carbon electrode and square-wave voltammetry. The methods were developed and validated as an alternative to the high performance liquid chromatography and gas chromatography. The technique of cyclic voltammetry was used to investigate the diffusion-controlled reversibility of the potassium hexacyanoferrate system and to determine the oxidation-reduction potentials of the analytes. During validation, the detection limit, limit of quantitation, linearity, accuracy, and precision were determined for each analyte individually. The measured data were checked for normality using the Q-Q plot and the Kolmogorov-Smirnov statistical tests. The analysis of the residuals, Hartley's test, Bartlett's test, and Cochran's test were used to check the homoscedasticity or heteroscedasticity of the data for the design of calibration plots. Due to the observed heteroscedastic behavior of the analytical data for all three analytes, a weighted linear regression was used, thus improving the quality of analytical results. The accuracy and precision of the methods were then verified using the resulting weighted model. The developed and validated methods were successfully used for the analysis of real samples by determining the concentrations of EP in a drug, AK in a dietary supplement, and SK in human urine.

Advisors/Committee Members: Finšgar, Matjaž.

Subjects/Keywords: epinefrin; askorbinska kislina; sečna kislina; elektrokemijske metode; elektroda iz steklastega ogljika; validacija metode; utežna regresija; epinephrine; ascorbic acid; uric acid; electrochemical methods; glassy carbon electrode; method validation; weighted regression; info:eu-repo/classification/udc/543.55(043.2)

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APA (6^th Edition):

Majer, D. (2020). Razvoj in validacija elektroanaliznih metod za določanje epinefrina, askorbinske kisline in sečne kisline. (Masters Thesis). Univerza v Mariboru. Retrieved from https://dk.um.si/IzpisGradiva.php?id=76987 ; https://dk.um.si/Dokument.php?id=145201&dn= ; https://plus.si.cobiss.net/opac7/bib/31805443?lang=sl

Chicago Manual of Style (16^th Edition):

Majer, David. “Razvoj in validacija elektroanaliznih metod za določanje epinefrina, askorbinske kisline in sečne kisline.” 2020. Masters Thesis, Univerza v Mariboru. Accessed March 01, 2021. https://dk.um.si/IzpisGradiva.php?id=76987 ; https://dk.um.si/Dokument.php?id=145201&dn= ; https://plus.si.cobiss.net/opac7/bib/31805443?lang=sl.

MLA Handbook (7^th Edition):

Majer, David. “Razvoj in validacija elektroanaliznih metod za določanje epinefrina, askorbinske kisline in sečne kisline.” 2020. Web. 01 Mar 2021.

Vancouver:

Majer D. Razvoj in validacija elektroanaliznih metod za določanje epinefrina, askorbinske kisline in sečne kisline. [Internet] [Masters thesis]. Univerza v Mariboru; 2020. [cited 2021 Mar 01]. Available from: https://dk.um.si/IzpisGradiva.php?id=76987 ; https://dk.um.si/Dokument.php?id=145201&dn= ; https://plus.si.cobiss.net/opac7/bib/31805443?lang=sl.

Council of Science Editors:

Majer D. Razvoj in validacija elektroanaliznih metod za določanje epinefrina, askorbinske kisline in sečne kisline. [Masters Thesis]. Univerza v Mariboru; 2020. Available from: https://dk.um.si/IzpisGradiva.php?id=76987 ; https://dk.um.si/Dokument.php?id=145201&dn= ; https://plus.si.cobiss.net/opac7/bib/31805443?lang=sl

Brno University of Technology

23. Klečka, Tomáš. Polarografická analýza vod: Polarographic analysis of water.

Degree: 2019, Brno University of Technology

URL: http://hdl.handle.net/11012/3068

► This bachelor's project creates the necessary theoretical foundation of polarography and voltametry in the first part, which is needed to successful measurement using these technics.… (more)

Subjects/Keywords: Analytická chemie; elektrochemické metody; polarografie; voltametrie; pulsní voltametrie; rozpouštěcí voltametrie; elektrolýza; elektrody; těžké kovy; metoda standardního přídavku.; Analytical chemistry; electrochemical methods; polarography; voltametry; pulse voltametry; anodic stripping voltametry; electrolysis; electrodes; heavy metals; method of standard addition.

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APA (6^th Edition):

Klečka, T. (2019). Polarografická analýza vod: Polarographic analysis of water. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/3068

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Klečka, Tomáš. “Polarografická analýza vod: Polarographic analysis of water.” 2019. Thesis, Brno University of Technology. Accessed March 01, 2021. http://hdl.handle.net/11012/3068.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Klečka, Tomáš. “Polarografická analýza vod: Polarographic analysis of water.” 2019. Web. 01 Mar 2021.

Vancouver:

Klečka T. Polarografická analýza vod: Polarographic analysis of water. [Internet] [Thesis]. Brno University of Technology; 2019. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/11012/3068.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Klečka T. Polarografická analýza vod: Polarographic analysis of water. [Thesis]. Brno University of Technology; 2019. Available from: http://hdl.handle.net/11012/3068

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of South Florida

24. Lopez-Sabando, Jaime. Practical vibration evaluation and early warning of damage in post-tensioned tendons.

Degree: 2007, University of South Florida

URL: https://scholarcommons.usf.edu/etd/2266

► Severe corrosion damage and even complete failure was recently discovered in external post-tensioned (PT) tendons of three Florida's pre-cast, segmental bridges over seawater. A key… (more)

▼ Severe corrosion damage and even complete failure was recently discovered in external post-tensioned (PT) tendons of three Florida's pre-cast, segmental bridges over seawater. A key deterioration factor was the formation of large bleed water grout voids at or near the anchorages. Steel corrosion may occur at the grout-void interface or in the air space of the void itself. Since the tendons are critical to the structural integrity of the bridges, reliable and non-intrusive damage detection methods are desirable to manage or prevent future occurrences. In recent years several indirect non-destructive methods have been developed or improved to evaluate the conditions of the tendons. One of those methods is vibration-based tension measurements, consisting of detecting tendon tension loss by analyzing the tendon's natural frequencies. Until recently, vibration-based tension measurements were costly and laborious since they required several operators to conduct the tests and complicated analysis through different programs. The first objective of this research is to provide a practical, simplified, user-friendly testing and analysis method for screening tendons by vibration measurements. Electrochemical Impedance Spectroscopy, Linear Polarization, and Electrical Resistance are alternative methods that could nondestructively detect or monitor corrosion before strand failures occur. The reliability and sensitivity of these conventional monitoring methods in solid or liquid media are well proven. However, few investigations exist on applying these methods to air-space corrosion as it may occur in tendon anchors. The second objective of this research is to establish the feasibility of using the above conventional monitoring methods for detecting air-space corrosion. In this investigation, two different types of Electrical Resistance probes were designed and evaluated. Also, electrochemical probes were constructed simulating strands conditions in the grout-void interface. Electrochemical Impedance Spectroscopy and Linear Polarization measurements were conducted in the electrochemical probes to calculate their instantaneous corrosion rates. Electrical Resistance and Electrochemical probes results indicate that both methods provide sufficient sensibility to determine the ongoing damage.

Subjects/Keywords: Tendon anchorage; Non destructive methods; Corrosion monitoring; Probes; Electrochemical Impedance Spectroscopy; Linear Polarization; American Studies; Arts and Humanities

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APA (6^th Edition):

Lopez-Sabando, J. (2007). Practical vibration evaluation and early warning of damage in post-tensioned tendons. (Thesis). University of South Florida. Retrieved from https://scholarcommons.usf.edu/etd/2266

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Lopez-Sabando, Jaime. “Practical vibration evaluation and early warning of damage in post-tensioned tendons.” 2007. Thesis, University of South Florida. Accessed March 01, 2021. https://scholarcommons.usf.edu/etd/2266.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Lopez-Sabando, Jaime. “Practical vibration evaluation and early warning of damage in post-tensioned tendons.” 2007. Web. 01 Mar 2021.

Vancouver:

Lopez-Sabando J. Practical vibration evaluation and early warning of damage in post-tensioned tendons. [Internet] [Thesis]. University of South Florida; 2007. [cited 2021 Mar 01]. Available from: https://scholarcommons.usf.edu/etd/2266.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Lopez-Sabando J. Practical vibration evaluation and early warning of damage in post-tensioned tendons. [Thesis]. University of South Florida; 2007. Available from: https://scholarcommons.usf.edu/etd/2266

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

25. Azeredo, Bruno Pavanelli. Non-lithographic and scalable manufacturing of silicon micro & nanomaterials.

Degree: PhD, Mechanical Engineering, 2017, University of Illinois – Urbana-Champaign

URL: http://hdl.handle.net/2142/97526

► In the last decade, accelerated discovery of novel processing schemes has enabled rapid prototyping and large volume production of parts with extended and programmable functionality… (more)

▼ In the last decade, accelerated discovery of novel processing schemes has enabled rapid prototyping and large volume production of parts with extended and programmable functionality - such as biodegradable electronics, high-emissivity surfaces, optoelectronics circuits, fast-discharging batteries, meta-materials, energy conversion systems, and light-weight composites. Novel micro/nanomanufacturing methods - such as 2D and 3D printing, imprinting, self-assembly, deterministic micro-assembly, flexography, and roll-to-roll systems - are among a growing set of new platforms that allow for integration of metals, polymers, oxides, composites, nanomaterials and biomaterials hierarchically across length scales ranging from centimeters down to nanometers. However, nanomanufacturing platforms are still plagued by a trade-off between throughput and resolution, ultimately hindering the scaling of nanomaterial production. In this context, this thesis introduces two novel processes for manufacturing hybrid and hierarchical silicon nanomaterials: (a) 1D nanostructure fabrication via thin-film dewetting and electrochemical etching, and (b) arbitrary-shaped 3D surfaces via direct electrochemical imprinting. Uniquely, they offer 3D dimensional control with sub-20 nm lateral and vertical resolution, mirror surface finish (i.e. RMS < 5 nm), high-aspect ratio (i.e. >20), low-defect density (i.e. no porous formation), and large-area patterning (>1 cm2). In each of these approaches, a fundamental understanding of ionic diffusion, reaction kinetics, and nucleation dynamics are directly correlated to manufacturing outputs - such as morphology defect density, material removal rate, patterning fidelity and resolution. Three scientific contributions have been made to the existing literature: (a) correlating electrochemical rate of reduction and oxidation to sidewall profiling in catalyst-based etching of silicon, (b) evidencing of diffusion limitations in solid metal catalysts, and (c) measuring the effect of porous substrate and catalysts in controlling the morphology of MACE-fabricated nanostructures. Overall, the techniques developed in this thesis bypass the need for dry etching and lithography, and are potentially compatible with amorphous and polycystalline silicon and III-V semiconductors. In turn, they may pave the way for the manufacturing of complex 3D hybrid objects on semiconductors for use in microoptics and nanophotonics, energy harvesting, and biosensing. Advisors/Committee Members: Ferreira, Placid M (advisor), Ferreira, Placid M (Committee Chair), Li, Xiuling (committee member), Tawfick, Sameh (committee member), Toussaint, Kimani (committee member).

Subjects/Keywords: Nanomanufacturing; Semiconductor manufacturing; Metal-assisted chemical etching; Micro-optics; Wet etching; Electrochemical imprinting; Hierarchical assembly; Thin-film dewetting; Self-assembly; Electrochemical methods

…top-down (i.e. etching) or bottom-up (i.e. growth) methods (Figure… …2 – “Indirect Patterning”). A combination of high-resolution methods for patterning… …space [31, 25, 34, 26]. Alternative methods for the synthesis of metal nanoparticles… …methods, and (b) techniques for forming silicon-containing hybrid nanomaterials offer… …introducing novel methods for nonlithographically fabricating silicon 1D and 3D micro and nanoscale…

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APA (6^th Edition):

Azeredo, B. P. (2017). Non-lithographic and scalable manufacturing of silicon micro & nanomaterials. (Doctoral Dissertation). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/97526

Chicago Manual of Style (16^th Edition):

Azeredo, Bruno Pavanelli. “Non-lithographic and scalable manufacturing of silicon micro & nanomaterials.” 2017. Doctoral Dissertation, University of Illinois – Urbana-Champaign. Accessed March 01, 2021. http://hdl.handle.net/2142/97526.

MLA Handbook (7^th Edition):

Azeredo, Bruno Pavanelli. “Non-lithographic and scalable manufacturing of silicon micro & nanomaterials.” 2017. Web. 01 Mar 2021.

Vancouver:

Azeredo BP. Non-lithographic and scalable manufacturing of silicon micro & nanomaterials. [Internet] [Doctoral dissertation]. University of Illinois – Urbana-Champaign; 2017. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/2142/97526.

Council of Science Editors:

Azeredo BP. Non-lithographic and scalable manufacturing of silicon micro & nanomaterials. [Doctoral Dissertation]. University of Illinois – Urbana-Champaign; 2017. Available from: http://hdl.handle.net/2142/97526

26. Jeppson, John Keith. Antimicrobial properties of drug-containing electrospun scaffolds.

Degree: 2012, IUPUI

URL: http://hdl.handle.net/1805/3169

►

Indiana University-Purdue University Indianapolis (IUPUI)

Endodontic treatment of the infected immature tooth has undergone a dramatic change. Conventional endodontic treatment can control infection, but root… (more)

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Indiana University-Purdue University Indianapolis (IUPUI)

Endodontic treatment of the infected immature tooth has undergone a dramatic change. Conventional endodontic treatment can control infection, but root development usually remains impaired. A novel regenerative endodontic procedure, the revascularization method, can now control the infection and enable such teeth to continue root development. This is done by creating a fibrin-matrix scaffold in the antibiotic treated root canal space (RCS). Dental stem cells and growth factors have been able to continue root development in such an environment. The fibrin-matrix scaffold is dependent on the induction of a blood clot into the RCS, and this cannot always be predictably induced. PDS is a biocompatible material that can be electrospun to provide a matrix for cells and growth factors and perhaps improve on the blood clot induced fibrin scaffold by incorporating metronidazole as an adjuvant antimicrobial. A metronidazole containing electrospun PDS scaffold was examined in vitro using a turbidimetric test, the modified direct contact test. This scaffold significantly inhibited growth of an anaerobic primary endodontic pathogen Porphyromonas gingivalis. This scaffold may improve the treatment of the infected immature tooth by providing a designed matrix for root regeneration while serving simultaneously as an antibiotic drug delivery device to disinfect the RCS. The aim of this study is to evaluate in vitro the property of a synthetic scaffold to function as an antibacterial drug delivery device. PDS*II (polydioxanone) suture was obtained from Ethicon, INC. (Somerville, NJ) and was dissolved in 1,1,1,3,3,3-hexafluoro-2-propanol, HFIP (Sigma Aldrich). Three different scaffolds were electrospun onto an aluminum foil background; (1) control scaffold with no antibiotic incorporated, (2) scaffold with 5.0-wt % metronidazole incorporated, and (3) 25-wt % metronidazole incorporated. All scaffolds were cut using a 4-mm diameter biopsy punch under aseptic conditions and removed from foil, control scaffold (n = 64), scaffold containing 5.0-wt % metronidazole (n = 32), and scaffold containing 25-wt % metronidazole (n=32). Experimental scaffolds were placed in a 96- well sterile flat bottom microtiter plate. Porphyromonas gingivalis a known primary endodontic pathogen was grown in 5 ml of BHI + YE with 0.25 μl of vitamin K with incubation at 37°C under anaerobic conditions for 48 hours. Microplates were sterilized before inoculation with Pg with 400 μl of 70-percent EtOH for a minimum of 30 minutes then pipetted out. After sterilization the microwells were washed with 400 μl of sterile water and pipetted out. Group 1 (negative control) microwells (n = 8) contained control scaffold and 190 μl of broth only. Group 2 (positive control) microwells (n = 8) contained 190 μl of broth and Pg only. Group 3 microwells (n = 8) contained control scaffold, 190 μl of broth, and 10 μl of Pg inoculum. Group 4 microwells (n = 8) contained scaffold with 5 wt % metronidazole, 190 μl of broth,…

Advisors/Committee Members: Spolnik, Kenneth Jacob, 1950-, Vail, Mychel Macapagal, 1969-, Erhlich, Ygal, Bottino, Marco C., Gregory, Richard L., Legan, Joseph J., Zunt, Susan L., 1950-.

Subjects/Keywords: Tissue Engineering – methods; Regeneration – drug effects; Growth Substances – administration and dosage; Electrochemical Techniques; Anti-Infecitve Agents, Local; Porphyromonas gingivalis

…pain that could not be addressed by his described methods, he mixed opium with the oils he… …18,19,105 24 Scaffold Fabrication Methods Electrospinning has gained attention because of the…

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Jeppson, J. K. (2012). Antimicrobial properties of drug-containing electrospun scaffolds. (Thesis). IUPUI. Retrieved from http://hdl.handle.net/1805/3169

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Jeppson, John Keith. “Antimicrobial properties of drug-containing electrospun scaffolds.” 2012. Thesis, IUPUI. Accessed March 01, 2021. http://hdl.handle.net/1805/3169.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Jeppson, John Keith. “Antimicrobial properties of drug-containing electrospun scaffolds.” 2012. Web. 01 Mar 2021.

Vancouver:

Jeppson JK. Antimicrobial properties of drug-containing electrospun scaffolds. [Internet] [Thesis]. IUPUI; 2012. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/1805/3169.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Jeppson JK. Antimicrobial properties of drug-containing electrospun scaffolds. [Thesis]. IUPUI; 2012. Available from: http://hdl.handle.net/1805/3169

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

ETH Zürich

27. Trueb, Jacques. Eine elektrochemische Methode zur Messung des Stoffübergangs.

Degree: 1960, ETH Zürich

URL: http://hdl.handle.net/20.500.11850/138178

Subjects/Keywords: FLÜSSIGKEITENDIFFUSION (VERFAHRENSTECHNIK); ELEKTROANALYSE + ELEKTROCHEMISCHE METHODEN (ANALYTISCHE CHEMIE); DIFFUSION OF LIQUIDS (PROCESS ENGINEERING); ELECTROANALYSIS + ELECTROCHEMICAL METHODS (ANALYTICAL CHEMISTRY); info:eu-repo/classification/ddc/540; Chemistry

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Trueb, J. (1960). Eine elektrochemische Methode zur Messung des Stoffübergangs. (Doctoral Dissertation). ETH Zürich. Retrieved from http://hdl.handle.net/20.500.11850/138178

Chicago Manual of Style (16^th Edition):

Trueb, Jacques. “Eine elektrochemische Methode zur Messung des Stoffübergangs.” 1960. Doctoral Dissertation, ETH Zürich. Accessed March 01, 2021. http://hdl.handle.net/20.500.11850/138178.

MLA Handbook (7^th Edition):

Trueb, Jacques. “Eine elektrochemische Methode zur Messung des Stoffübergangs.” 1960. Web. 01 Mar 2021.

Vancouver:

Trueb J. Eine elektrochemische Methode zur Messung des Stoffübergangs. [Internet] [Doctoral dissertation]. ETH Zürich; 1960. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/20.500.11850/138178.

Council of Science Editors:

Trueb J. Eine elektrochemische Methode zur Messung des Stoffübergangs. [Doctoral Dissertation]. ETH Zürich; 1960. Available from: http://hdl.handle.net/20.500.11850/138178

ETH Zürich

28. Schütz, Gerhard. Die Messung lokaler Stoffübergangszahlen mit einer elektrochemischen Methode.

Degree: 1964, ETH Zürich

URL: http://hdl.handle.net/20.500.11850/138179

Subjects/Keywords: FLÜSSIGKEITENDIFFUSION (VERFAHRENSTECHNIK); ELEKTROANALYSE + ELEKTROCHEMISCHE METHODEN (ANALYTISCHE CHEMIE); DIFFUSION OF LIQUIDS (PROCESS ENGINEERING); ELECTROANALYSIS + ELECTROCHEMICAL METHODS (ANALYTICAL CHEMISTRY); info:eu-repo/classification/ddc/540; Chemistry

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Schütz, G. (1964). Die Messung lokaler Stoffübergangszahlen mit einer elektrochemischen Methode. (Doctoral Dissertation). ETH Zürich. Retrieved from http://hdl.handle.net/20.500.11850/138179

Chicago Manual of Style (16^th Edition):

Schütz, Gerhard. “Die Messung lokaler Stoffübergangszahlen mit einer elektrochemischen Methode.” 1964. Doctoral Dissertation, ETH Zürich. Accessed March 01, 2021. http://hdl.handle.net/20.500.11850/138179.

MLA Handbook (7^th Edition):

Schütz, Gerhard. “Die Messung lokaler Stoffübergangszahlen mit einer elektrochemischen Methode.” 1964. Web. 01 Mar 2021.

Vancouver:

Schütz G. Die Messung lokaler Stoffübergangszahlen mit einer elektrochemischen Methode. [Internet] [Doctoral dissertation]. ETH Zürich; 1964. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/20.500.11850/138179.

Council of Science Editors:

Schütz G. Die Messung lokaler Stoffübergangszahlen mit einer elektrochemischen Methode. [Doctoral Dissertation]. ETH Zürich; 1964. Available from: http://hdl.handle.net/20.500.11850/138179

29. Silva, Clóvis Lúcio da. Emprego de análise por injeção seqüencial (SIA) com detecção eletroquímica na determinação de metais pesados extraíveis de sedimentos.

Degree: Mestrado, Química Analítica, 1999, University of São Paulo

URL: http://www.teses.usp.br/teses/disponiveis/46/46133/tde-10102014-123933/ ;

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Estudou-se a especiação dos metais pesados (Cu, Cd, Cr, Zn, Pb e Ni) em sedimentos do rio Tietê, coletados nos reservatórios de Rasgão, Tecelagem e… (more)

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Estudou-se a especiação dos metais pesados (Cu, Cd, Cr, Zn, Pb e Ni) em sedimentos do rio Tietê, coletados nos reservatórios de Rasgão, Tecelagem e Barra Bonita. Para isto, adotou-se o protocolo de extração seqüencial proposta por Community Bureau of Reference (BCR), que consiste em três etapas de tratamento, as soluções extratores utilizados foram: etapa 1, solução de ácido acético 0,11 mol/L; Etapa 2, solução de cloridrato de hidroxilamina 0,1 mol/L pH 2 (ajustado com HNO3); Etapa 3, ataque com peróxido de hidrogênio em meio ácido e posterior extração dos metais com solução de acetato de amônio pH 2 (ajustado com HNO3). Nas mesmas amostras efetuou-se uma extração com ácido clorídrico 0,1 mol/L, no sentido de avaliar a concentração de metais potencialmente biodisponíveis. Realizou-se ainda a determinação do teor total de metais. Tanto a extração seqüencial como a extração parcial em ácido diluído foram conduzidas em ambientes anaeróbico (mantendo o EH da amostra) e aeróbicos (após secagem em estufa - simulando material dragado e depositado às margens do rio). As concentrações dos metais presentes nos extratos foram determinadas através das técnicas de absorção atômica, espectrometria de emissão atômica, voltametria de redissolução anódica com eletrodo de gota pendente e a técnica proposta por este trabalho, voltametria de redissolução anódica com eletrodo de filme de mercúrio acoplada ao sistema de injeção seqüencial. A técnica de voltametria de redissolução anódica acoplada ao sistema de injeção sequencial apresentou vantagens em relação a voltametria de redissolução com eletrodo de gota pendente, apresentando maior reprodutibilidade e sensibilidade, redução do tempo de análise e consumo de reagentes, e completa automação dos parâmetros instrumentais, como: vazão, número de reagentes, volumes e seqüência dos reagentes aspirados.

Speciation of heavy metals (Cu, Pb, Cd, Zn, Ni and Cr) in sediments of the Tietê river (SP), collected at Rasgão, Tecelagem e Barra Bonita reservoirs, was studied by the sequential extraction protocol proposed by the Community Bureau of Reference (BCR). This protocol is composed of three steps, that use the following reagent extractors. Step1: 0,11 mol/L acetic acid. Step 2: Hydroxylamine hydrochloride, acidified to pH 2 with nitric acid. Step 3: Oxidation with acidified 30 % (v/v) hydrogen peroxide followed by extraction with 1mol/L ammonium acetate acidified to pH 2 with nitric acid. Samples were also extracted with 0.10 mol/l hydrochloric acid in order to evaluate the bioavailable metal concentrations. The total concentration of metals was also determined. The sequential extraction and the extraction with hydrochloric acid were performed in anoxic (keeping the negative Eh of samples, as in the time of sampling) and oxidant conditions (after drying samples at 60ºC in the atmosphere, simulating dredged material). Metal determination was performed by Flame Atomic Absorption Spectrometry (FAAS), Induced Coupled Plasma-Atomic Emission Spectrometry (ICP-EAS), Anodic Stripping…

Advisors/Committee Members: Masini, Jorge Cesar.

Subjects/Keywords: Análise sequencial; Detecção eletroquímica; Analytical chemistry quantitative; Electrochemical method (Chemical analysis); Electrochemistry (Analytical Methods); Eletroquímica (Métodos analíticos); Environmental chemistry; Heavy metals (Determination; Chemical analysis); Heavy metals; Sediment; Metais pesados (Determinação; Análise química); Metais pesados; Sedimento; Método eletroquímico (Análise química); Química ambiental; Química analítica quantitativa; Sequential analysis; Electrochemical detection

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Silva, C. L. d. (1999). Emprego de análise por injeção seqüencial (SIA) com detecção eletroquímica na determinação de metais pesados extraíveis de sedimentos. (Masters Thesis). University of São Paulo. Retrieved from http://www.teses.usp.br/teses/disponiveis/46/46133/tde-10102014-123933/ ;

Chicago Manual of Style (16^th Edition):

Silva, Clóvis Lúcio da. “Emprego de análise por injeção seqüencial (SIA) com detecção eletroquímica na determinação de metais pesados extraíveis de sedimentos.” 1999. Masters Thesis, University of São Paulo. Accessed March 01, 2021. http://www.teses.usp.br/teses/disponiveis/46/46133/tde-10102014-123933/ ;.

MLA Handbook (7^th Edition):

Silva, Clóvis Lúcio da. “Emprego de análise por injeção seqüencial (SIA) com detecção eletroquímica na determinação de metais pesados extraíveis de sedimentos.” 1999. Web. 01 Mar 2021.

Vancouver:

Silva CLd. Emprego de análise por injeção seqüencial (SIA) com detecção eletroquímica na determinação de metais pesados extraíveis de sedimentos. [Internet] [Masters thesis]. University of São Paulo; 1999. [cited 2021 Mar 01]. Available from: http://www.teses.usp.br/teses/disponiveis/46/46133/tde-10102014-123933/ ;.

Council of Science Editors:

Silva CLd. Emprego de análise por injeção seqüencial (SIA) com detecção eletroquímica na determinação de metais pesados extraíveis de sedimentos. [Masters Thesis]. University of São Paulo; 1999. Available from: http://www.teses.usp.br/teses/disponiveis/46/46133/tde-10102014-123933/ ;

30. ΠΑΠΑΣΤΕΡΓΙΑΔΗΣ, ΕΥΘΥΜΙΟΣ. ΜΕΛΕΤΗ ΤΗΣ ΑΝΤΟΧΗΣ ΣΤΗ ΔΙΑΒΡΩΣΗ ΑΝΟΔΙΚΑ ΟΞΕΙΔΩΜΕΝΩΝ ΣΕ ΔΙΑΦΟΡΕΣ ΣΥΝΘΗΚΕΣ ΕΛΑΣΜΑΤΩΝ ΑΛΟΥΜΙΝΙΟΥ.

Degree: 1996, Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ); Aristotle University Of Thessaloniki (AUTH)

URL: http://hdl.handle.net/10442/hedi/9114

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ΑΝΤΙΚΕΙΜΕΝΟ ΤΗΣ ΔΙΔΑΚΤΟΡΙΚΗΣ ΔΙΑΤΡΙΒΗΣ ΕΙΝΑΙ Η ΜΕΛΕΤΗ ΤΗΣ ΣΥΜΠΕΡΙΦΟΡΑΣ ΤΟΥ ΑΛΟΥΜΙΝΙΟΥ (AL1050) ΣΤΗ ΔΙΑΒΡΩΣΗ ΚΑΙ ΣΤΗ ΔΙΑΒΡΩΣΗ ΜΕ ΜΗΧΑΝΙΚΗ ΚΑΤΑΠΟΝΗΣΗ (Δ.Μ.Κ.) ΣΕ ΔΙΑΒΡΩΤΙΚΟ ΠΕΡΙΒΑΛΛΟΝ NACE… (more)

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ΑΝΤΙΚΕΙΜΕΝΟ ΤΗΣ ΔΙΔΑΚΤΟΡΙΚΗΣ ΔΙΑΤΡΙΒΗΣ ΕΙΝΑΙ Η ΜΕΛΕΤΗ ΤΗΣ ΣΥΜΠΕΡΙΦΟΡΑΣ ΤΟΥ ΑΛΟΥΜΙΝΙΟΥ (AL1050) ΣΤΗ ΔΙΑΒΡΩΣΗ ΚΑΙ ΣΤΗ ΔΙΑΒΡΩΣΗ ΜΕ ΜΗΧΑΝΙΚΗ ΚΑΤΑΠΟΝΗΣΗ (Δ.Μ.Κ.) ΣΕ ΔΙΑΒΡΩΤΙΚΟ ΠΕΡΙΒΑΛΛΟΝ NACE 3,5%, ΧΩΡΙΣ ΑΛΛΑ ΚΑΙ ΜΕ ΧΡΗΣΙΜΟΠΙΗΣΗ ΠΡΟΣΤΑΤΕΥΤΙΚΩΝ ΕΠΙΣΤΡΩΜΑΤΩΝ ΗΛΕΚΤΡΟΛΥΤΙΚΑ ΠΑΡΑΣΚΕΥΑΣΜΕΝΩΝ ΟΞΕΙΔΙΩΝ ΤΟΥ ΑΛΟΥΜΙΝΙΟΥ. ΕΙΔΙΚΟΤΕΡΑ ΜΕΛΕΤΑΤΑΙ Η ΕΠΙΔΡΑΣΗ ΤΩΝ ΣΥΝΘΗΚΩΝ ΠΑΡΑΣΚΕΥΗΣ ΤΩΝ ΟΞΕΙΔΙΩΝ ΑΥΤΩΝ ΣΤΙΣ ΠΡΟΣΤΑΤΕΥΤΙΚΕΣ ΤΟΥΣ ΙΔΙΟΤΗΤΕΣ, ΜΕ ΣΤΟΧΟ ΤΗ ΔΗΜΙΟΥΡΓΙΑ ΟΞΕΙΔΙΟΥ ΜΕ ΤΙΣ ΒΕΛΤΙΣΤΕΣ ΙΔΙΟΤΗΤΕΣ. ΟΙ ΣΥΝΘΗΚΕΣ ΑΝΟΔΙΚΗΣ ΟΞΕΙΔΩΣΗΣ ΤΟΥ ΑΛΟΥΜΙΝΙΟΥ ΠΟΥ ΜΕΛΕΤΟΥΝΤΑΙ ΚΑΙ ΕΠΙΔΡΟΥΝ ΣΤΗ ΣΥΜΠΕΡΙΦΟΡΑ ΤΟΥ ΣΤΗ ΔΙΑΒΡΩΣΗ ΚΑΙ ΣΤΗ Δ.Μ.Κ. ΕΙΝΑΙ Η ΣΥΓΚΕΝΤΡΩΣΗ Η2SO4 (C3M Η 4Μ) ΣΤΟ ΛΟΥΤΡΟ, Η ΠΥΚΝΟΤΗΤΑ ΡΕΥΜΑΤΟΣ IAV.OJ(1,5-10ALDM²) ΚΑΙ Η ΥΠΑΡΞΗ Η ΟΧΙ ΕΠΙΠΡΟΣΘΕΤΩΝ ΟΥΣΙΩΝ. ΑΠΟ ΤΗ ΜΕΤΡΗΣΗ ΤΟΥ ΧΡΟΝΟΥ ΘΡΑΥΣΗΣ ΤΩΝ ΔΟΚΙΜΙΩΝ ΣΤΗ Δ.Μ.Κ. ΠΡΟΚΥΠΤΕΙ ΟΤΙ Η ΠΑΡΟΥΣΙΑ ΕΠΙΠΡΟΣΘΕΤΩΝ ΟΥΣΙΩΝ ΔΗΜΙΟΥΡΓΕΙ ΟΞΕΙΔΙΑ ΠΡΟΣΤΑΤΕΥΟΥΝ ΤΟ ΑΛΟΥΜΙΝΙΟ ΣΕ ΑΝΤΙΘΕΣΗ ΜΕ ΤΑ ΑΝΤΙΣΤΟΙΧΑ ΑΠΟΥΣΙΑ ΕΠΙΠΡΟΣΘΕΤΩΝ ΟΥΣΙΩΝ.ΟΙ ΒΕΛΤΙΣΤΕΣ ΣΥΝΘΗΚΕΣ ΠΑΡΑΣΚΕΥΗΣ ΤΩΝ ΟΞΕΙΔΙΩΝ ΕΙΝΑΙ ΗΧ2SOX3Μ ΠΑΡΟΥΣΙΑ ΜΗΛΟΝΙΚΟΥ ΟΞΕΟΣ 0.015Μ ΜΕ ΙΑΝ.07=6Α/DM². H ΗΛΕΚΤΡΟΧΗΜΙΚΗ ΜΕΛΕΤΗ ΤΗΣ ΔΙΑΒΡΩΣΗ ΓΙΝΕΤΑΙ ΜΕ ΤΗ ΜΕΘΟΔΟ ΤΗΣ ΠΟΤΕΥΣΙΟΔΥΝΑΜΙΚΗΣ ΠΟΛΩΣΗΣ ΟΠΟΥ ΠΡΟΚΥΠΤΕΙ ΟΤΙ ΤΟ ΕΙΔΟΣ ΤΗΣ ΔΙΑΒΡΩΣΗΣ ΟΛΩΝ ΤΩΝ ΕΞΕΤΑΖΟΜΕΝΩΝ ΔΟΚΙΜΙΩΝ ΕΧΕΙ ΤΟΠΙΚΟ ΚΑΙ ΟΧΙ ΟΜΟΙΟΜΟΡΦΟ ΧΑΡΑΚΤΗΡΑ. ΜΕΛΕΤΟΥΝΤΑΙ ΕΠΙΣΗΣ ΟΡΙΣΜΕΝΕΣ ΧΑΡΑΚΤΗΡΙΣΤΙΚΕΣ ΠΑΡΑΜΕΤΡΟΙ ΟΠΩΣ ΤΟ ΒΑΡΟΣ,ΠΑΧΟΣ, ΔΟΜΗ ΚΑΙ ΠΟΡΩΔΕΣ ΤΟΥ ΟΞΕΙΔΙΟΥ, ΚΑΙ ΤΡΑΧΥΤΗΤΑ ΤΗΣ ΕΠΙΦΑΝΕΙΑΣ ΤΟΥ ΕΠΗΡΕΑΖΟΝΤΑΙ ΑΠΟ ΤΗ ΜΕΤΑΒΟΛΗ ΤΩΝ ΣΥΝΘΗΚΩΝ ΤΗΣ ΟΞΕΙΔΩΣΗΣ ΕΝΩ ΕΦΑΡΜΟΖΟΝΤΑΙ ΚΑΙ ΔΙΑΦΟΡΕΣ ΤΕΧΝΙΚΕΣ (ΗΛΕΚΤΡΟΝΙΚΟ ΜΙΚΡΟΣΚΟΠΙΟ ΣΑΡΩΣΗΣ , ΠΡΟΦΙΛΟΓΡΑΦΙΑ, ΑΚΤΙΝΕΣ Χ,(ΠΕΡΙΚΟΠΗ ΠΕΡΙΛΗΨΗΣ).

THE OBZECTIVE OF THIS DOCTORAL THESIS TO STUDY THE BEHAVIOUR OF AL 1050 UNDER CORROSION AND STRESS CORROSION CRACKING (SCC) CONDITIONS WITH AND WITH AUT THE PRESENCE OF AL OXIDE COATINGS, IN A CORRSIVE ENVIROMENT OF NACL 3,5% MORO SPECIFIC THE CONDITIONS UNDER WHICH THE OXIDES ARE FORMED AND THEIR EFFECT ON THE PROTECTIVE ABILITY OF THE OXIDES IS STUDIED, ALMING AT THE FORMATION OF AN OXIDE WITH OPTIMUM PROTECTION ABILITY. THE PARAMETERS OF AL ANODIC AXIDATIONTHAT ARE STUDIED ARE: CONCETRATION OF HX2SOX4 (3M OR 4M) IN THE BATH, THE CURRENT DENSITY (1,5-10 A/DM²) AND THE PRESENCE OR NOT OF ADDITIVES IN THE BATH. THE METHOD OF MEASURING THE TIME TO FAILURE (T.T.F.) OF THE OXIDUTED SPECIMENTS HAS BEEN EMPLOYED TO SHOW THAT THE PRESENCE OF ADDITIVES IN THE BATH RESULTS IN THE FORMATION OF OXIDES THAT PROTECT. AL IN CONTRAST TO THOSE FORMED WITH OUT ADDITIVES.THE OXIDE WITH THE BEST PROTECTIVE PECFORMANCE WAS FORMED IN A BATH OF HX2SOX3 3M IN THE PRESENCE OF MALONIC ACID 0,015M AND CURRENT DENSITY 6A/DMX2. BY APPLYING THE POTENSIODYNAMIC POLARIZATION METHOD TO SPECIMENT UNDER CORROSION WE FOUNT THAT THE CORROSION HAS A LOCAL AND NOT UNIFORM CHARACTER SEVERAL CHARACTERISTIC PARAMETERS OF THE OXIDES ( E.G. WEIGNT, THICHNESS, STRUCTURE, AND POROSITY AND SURFACE ROUGHNESS) WERE STUDIED WITH THE TECHIQUES OF DIRECT MICROSCOPIC EXAMINATION PROFILOGRAFY, X-RAY, E.D.S. AND I.R SPECTVOSCOPY IN ORDER TO INTERPRET THE EXPERIMENTAL RESSULTS. THE…

Subjects/Keywords: Additives; AL OXIDES; ALOUMINIUM ALLOYS; Coatings; CORROSION AND STRESS CORROSION CRACKINY; ELECTROCHEMICAL METHODS; MALONIC ACID; PROFILOGRAFY; ΑΛΟΥΜΙΝΙΑ; ΔΙΑΒΡΩΣΕΙΣ ΚΑ ΔΙΑΒΡΩΣΕΙΣ ΜΕ ΜΗΧΑΝΙΚΗ ΚΑΤΑΠΟΝΗΣΗ; ΕΠΙΠΡΟΣΘΕΤΕΣ ΟΥΣΙΕΣ; ΗΛΕΚΤΡΟΛΥΤΙΚΑ ΕΠΙΣΤΡΩΜΑΤΑ; ΗΛΕΚΤΡΟΧΗΜΙΚΕΣ ΜΕΘΟΔΟΙ; ΜΗΛΟΝΙΚΟ ΟΞΥ; ΟΞΕΙΔΙΑ ΤΟΥ ΑΛΟΥΜΙΝΙΟΥ; ΠΡΟΦΙΛΟΓΡΑΦΙΑ

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APA (6^th Edition):

ΠΑΠΑΣΤΕΡΓΙΑΔΗΣ, �. (1996). ΜΕΛΕΤΗ ΤΗΣ ΑΝΤΟΧΗΣ ΣΤΗ ΔΙΑΒΡΩΣΗ ΑΝΟΔΙΚΑ ΟΞΕΙΔΩΜΕΝΩΝ ΣΕ ΔΙΑΦΟΡΕΣ ΣΥΝΘΗΚΕΣ ΕΛΑΣΜΑΤΩΝ ΑΛΟΥΜΙΝΙΟΥ. (Thesis). Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ); Aristotle University Of Thessaloniki (AUTH). Retrieved from http://hdl.handle.net/10442/hedi/9114

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Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

ΠΑΠΑΣΤΕΡΓΙΑΔΗΣ, ΕΥΘΥΜΙΟΣ. “ΜΕΛΕΤΗ ΤΗΣ ΑΝΤΟΧΗΣ ΣΤΗ ΔΙΑΒΡΩΣΗ ΑΝΟΔΙΚΑ ΟΞΕΙΔΩΜΕΝΩΝ ΣΕ ΔΙΑΦΟΡΕΣ ΣΥΝΘΗΚΕΣ ΕΛΑΣΜΑΤΩΝ ΑΛΟΥΜΙΝΙΟΥ.” 1996. Thesis, Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ); Aristotle University Of Thessaloniki (AUTH). Accessed March 01, 2021. http://hdl.handle.net/10442/hedi/9114.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

ΠΑΠΑΣΤΕΡΓΙΑΔΗΣ, ΕΥΘΥΜΙΟΣ. “ΜΕΛΕΤΗ ΤΗΣ ΑΝΤΟΧΗΣ ΣΤΗ ΔΙΑΒΡΩΣΗ ΑΝΟΔΙΚΑ ΟΞΕΙΔΩΜΕΝΩΝ ΣΕ ΔΙΑΦΟΡΕΣ ΣΥΝΘΗΚΕΣ ΕΛΑΣΜΑΤΩΝ ΑΛΟΥΜΙΝΙΟΥ.” 1996. Web. 01 Mar 2021.

Vancouver:

ΠΑΠΑΣΤΕΡΓΙΑΔΗΣ �. ΜΕΛΕΤΗ ΤΗΣ ΑΝΤΟΧΗΣ ΣΤΗ ΔΙΑΒΡΩΣΗ ΑΝΟΔΙΚΑ ΟΞΕΙΔΩΜΕΝΩΝ ΣΕ ΔΙΑΦΟΡΕΣ ΣΥΝΘΗΚΕΣ ΕΛΑΣΜΑΤΩΝ ΑΛΟΥΜΙΝΙΟΥ. [Internet] [Thesis]. Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ); Aristotle University Of Thessaloniki (AUTH); 1996. [cited 2021 Mar 01]. Available from: http://hdl.handle.net/10442/hedi/9114.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

ΠΑΠΑΣΤΕΡΓΙΑΔΗΣ �. ΜΕΛΕΤΗ ΤΗΣ ΑΝΤΟΧΗΣ ΣΤΗ ΔΙΑΒΡΩΣΗ ΑΝΟΔΙΚΑ ΟΞΕΙΔΩΜΕΝΩΝ ΣΕ ΔΙΑΦΟΡΕΣ ΣΥΝΘΗΚΕΣ ΕΛΑΣΜΑΤΩΝ ΑΛΟΥΜΙΝΙΟΥ. [Thesis]. Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ); Aristotle University Of Thessaloniki (AUTH); 1996. Available from: http://hdl.handle.net/10442/hedi/9114

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

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