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UCLA
1.
King, Daniel Jay.
Synthesis and Characterization of Iridium- and Cobalt-based Skutterudites for Thermoelectric Power Generation.
Degree: Chemistry, 2014, UCLA
URL: http://www.escholarship.org/uc/item/7qp269dg
► There are several possible approaches to enhancing the thermoelectric properties of skutterudite materials, most of which strive to reduce the total thermal conductivity of the…
(more)
▼ There are several possible approaches to enhancing the thermoelectric properties of skutterudite materials, most of which strive to reduce the total thermal conductivity of the structure in some way. Formulations of CoSb3 skutterudite that incorporate alkali metals, alkaline-earth elements, or rare-earth elements as void fillers have achieved the highest reported thermoelectric figure of merit (ZT) values for n-type CoSb3. For thermoelectric applications, devices that use IrSb3-based materials as full legs or segments of legs could enable the utilization of a greater maximum temperature, as compared to CoSb3-based devices. A series of n-type BayIr4Sb12 compositions have been synthesized. Phase purity and elemental compositions are analyzed by X-ray diffraction (XRD), scanning electron microscopy (SEM), and electron probe microanalysis (EPMA). Room temperature and high temperature thermoelectric properties are reported with a maximum ZT of about 0.8 at 750 oC (1023 K) and EPMA results suggest the maximum filling fraction for barium in BayIr4Sb12 is around y = 0.3.In light of the success of single-element filling of iridium-based skutterudite, double-element filling of the structure was investigated. The high temperature thermoelectric properties for the double-filled BaxYbyIr4Sb12 and BaxEuzIr4Sb12 skutterudites were compared to BaxIr4Sb12 single-filled skutterudites. Maximum ZT values for double-filled skutterudites increased as much as 25% over that of single-filled compositions. Phase purity and elemental compositions were analyzed by X-ray diffraction (XRD), scanning electron microscopy (SEM), and electron probe microanalysis (EPMA). Room temperature and high temperature thermoelectric properties are reported with a maximum ZT of 1.0 at 750 oC (1023 K) for the Ba0.15Eu0.15Ir4Sb12 nominal composition, but EPMA results show that these skutterudites exhibit preferential filling for certain elements in the case of double-filling, such that Ba 62; Eu 62; Yb.Skutterudite materials were processed by high energy ball milling to produce nanostructured powders. CoSb<sub62;3 was used as a proof-of-principle material along with Co0.955Pd0.045Sb2.955Te0.045, Ba0.05Yb0.15Co4Sb12, and Ce0.9Fe3.5Co0.5Sb12. Each skutterudite was milled to a fine powder containing crystallites as small as 1 nm, with sample averages as low as ~20 nm. The powders were characterized by XRD, SEM, and TEM, then hot-pressed and measured for their high temperature thermoelectric properties. Hot-pressing conditions necessary for densification led to significant grain growth. Improvements in reduced thermal conductivity…
Subjects/Keywords: Inorganic chemistry; Chemistry; CoSb<; sub>; 3<; /sub>;
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MLA ·
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APA (6th Edition):
King, D. J. (2014). Synthesis and Characterization of Iridium- and Cobalt-based Skutterudites for Thermoelectric Power Generation. (Thesis). UCLA. Retrieved from http://www.escholarship.org/uc/item/7qp269dg
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
King, Daniel Jay. “Synthesis and Characterization of Iridium- and Cobalt-based Skutterudites for Thermoelectric Power Generation.” 2014. Thesis, UCLA. Accessed April 11, 2021.
http://www.escholarship.org/uc/item/7qp269dg.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
King, Daniel Jay. “Synthesis and Characterization of Iridium- and Cobalt-based Skutterudites for Thermoelectric Power Generation.” 2014. Web. 11 Apr 2021.
Vancouver:
King DJ. Synthesis and Characterization of Iridium- and Cobalt-based Skutterudites for Thermoelectric Power Generation. [Internet] [Thesis]. UCLA; 2014. [cited 2021 Apr 11].
Available from: http://www.escholarship.org/uc/item/7qp269dg.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
King DJ. Synthesis and Characterization of Iridium- and Cobalt-based Skutterudites for Thermoelectric Power Generation. [Thesis]. UCLA; 2014. Available from: http://www.escholarship.org/uc/item/7qp269dg
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Notre Dame
2.
Samuel Seo.
Chemically Tunable Ionic Liquids with Aprotic Heterocyclic
Anions for CO2 Separation</h162;.
Degree: Chemical Engineering, 2014, University of Notre Dame
URL: https://curate.nd.edu/show/hx11xd09q2f
► Development of innovative carbon dioxide (CO2) capture technologies is critical for maintaining fossil fuel as an affordable and environmentally benign energy resource. Post-combustion CO2…
(more)
▼ Development of innovative carbon dioxide
(CO
2) capture technologies is critical for
maintaining fossil fuel as an affordable and environmentally benign
energy resource. Post-combustion CO
2 capture
offers one of the best near-term potentials for reducing greenhouse
gas emissions, and commercially available technologies use aqueous
amine solutions to mitigate CO
2 emissions
from coal-fired power plants. However, due to the large heat of
reaction and the presence of water, this process requires large
amounts of energy to regenerate the trapping solvent draining up to
30 % of the energy created by burning the coal in the first place.
Non-volatility, good thermal stability and high
CO
2 solubility make Ionic Liquids (ILs) an
attractive replacement for current volatile solvents. ILs are
low-melting (T
m<100 °C) salts of
bulky cations and anions and their properties can be carefully
tailored by choosing or modifying the anion, the cation, and their
substituents. In this study, ILs with Aprotic
Heterocyclic Anions (AHAs) are examined. Taking advantage of
“tunability”, the enthalpy of reaction with
CO
2 can be controlled over a wide range
suitable for gas separations. Lowering the enthalpy of reaction can
help to reduce the heat required to regenerate the solvent, or in
this case, the IL. A new type of ILs termed Phase Change Ionic
Liquids (PCILs) are also introduced. They undergo a phage change
from solid to liquid when they react with
CO
2. Utilizing the heat of fusion (ΔHfus),
the ideal PCIL process has a potential to reduce the parasitic
energy from 30% down to about 14%. Additionally, the effect of
different types of cations on the physical properties and
CO
2 solubility are examined by paring AHAs
with imidazolium, ammonium, or phosphonium cations with different
alkyl substituents. To summarize, the new
families of tunable ILs are explored as a viable alternative for
current CO
2 capture technologies. While the
field of ILs is relatively new and ample opportunity should exist
to optimize the properties of ILs for CO
2
capture, this study offers a promising step forward in the search
for energy-optimal carbon capture
materials.
Advisors/Committee Members: Dr. Joan Brennecke, Committee Chair, Dr. Edward Maginn, Committee Member, Dr. Alexander Mukasyan, Committee Member, Dr. William Phillip, Committee Member.
Subjects/Keywords: Ionic liquid; carbon capture; CO<; sub>; 2<; /sub>
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Seo, S. (2014). Chemically Tunable Ionic Liquids with Aprotic Heterocyclic
Anions for CO2 Separation</h1>. (Thesis). University of Notre Dame. Retrieved from https://curate.nd.edu/show/hx11xd09q2f
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Seo, Samuel. “Chemically Tunable Ionic Liquids with Aprotic Heterocyclic
Anions for CO2 Separation</h1>.” 2014. Thesis, University of Notre Dame. Accessed April 11, 2021.
https://curate.nd.edu/show/hx11xd09q2f.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Seo, Samuel. “Chemically Tunable Ionic Liquids with Aprotic Heterocyclic
Anions for CO2 Separation</h1>.” 2014. Web. 11 Apr 2021.
Vancouver:
Seo S. Chemically Tunable Ionic Liquids with Aprotic Heterocyclic
Anions for CO2 Separation</h1>. [Internet] [Thesis]. University of Notre Dame; 2014. [cited 2021 Apr 11].
Available from: https://curate.nd.edu/show/hx11xd09q2f.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Seo S. Chemically Tunable Ionic Liquids with Aprotic Heterocyclic
Anions for CO2 Separation</h1>. [Thesis]. University of Notre Dame; 2014. Available from: https://curate.nd.edu/show/hx11xd09q2f
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Mississippi State University
3.
Womack, Erika D.
The evaluation of adsorbents for the removal of aflatoxin M1 from contaminated milk.
Degree: PhD, Biochemistry, Molecular Biology, Entomology and Plant Pathology, 2015, Mississippi State University
URL: http://sun.library.msstate.edu/ETD-db/theses/available/etd-10302015-162636/
;
► Taking precautions to restrain aflatoxin M1 (AFM1) from milk is critical, particularly due to the health and economic impact AFM1 imposes. The predominant post-harvest…
(more)
▼ Taking precautions to restrain aflatoxin M
1 (AFM
1) from milk is critical, particularly due to the health and economic impact AFM
1 imposes. The predominant post-harvest means of reducing AFM
1 in milk includes the addition of sequestering agents to feed to diminish the bioavailability of aflatoxin B
1 (AFB
1), the parent compound of AFM
1 found in contaminated feed. Still, residual AFM
1 has been found in the milk.
Using sequestering agents added to raw milk, we found that activated carbon was the most effective binder to reduce AFM
1 contamination. The combination of 0.75% granular activated carbon (GAC) and a flow rate of 0.4 mL/min to pump contaminated milk through a glass column were chosen as optimum conditions for the removal of AFM
1. These conditions obtained a 98.4% reduction of 0.75 ng/mL AFM
1 from raw milk. The treated milk was also analyzed to assess the effects of GAC on milk constituents. The results determined that GAC had no significant effect on major nutritive milk constituents: total protein, lactose, minerals, and fat. Additionally, we optimized an extraction method coupled to high performance liquid chromatography tandem mass spectrometry (HPLC-MS/MS) that minimized matrix effects, lowered the levels of detection, and reduced analysis costs. The optimized extraction method was based on QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe). Results determined 5 mL milk (15°C) with 10 mL acetonitrile, 3200 g centrifugation, and 0.2 μm syringe filter were the optimum conditions for the extraction of 0.5 ng/mL AFM
1 from raw milk. The method was validated according to AOAC guidelines.
This study reports experimental results on AFM
1 remediation from raw bovine milk. The use of GAC for the removal of AFM
1 in raw milk has reduced the amount of AFM
1 below the FDA action limit and European Union maximum regulatory level. This method could have a global health impact, particularly, for people in developing nations and for infants and children who are more susceptible to the adverse effects of AFM
1.
Advisors/Committee Members: Darrell L. Sparks, Jr. (chair), Ashli Brown-Johnson (committee member), Janice DuBien (committee member), Stephanie H. Ward (committee member), Xueyan Shan (committee member).
Subjects/Keywords: aflatoxin M<; sub>; 1<; /sub>;
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Womack, E. D. (2015). The evaluation of adsorbents for the removal of aflatoxin M1 from contaminated milk. (Doctoral Dissertation). Mississippi State University. Retrieved from http://sun.library.msstate.edu/ETD-db/theses/available/etd-10302015-162636/ ;
Chicago Manual of Style (16th Edition):
Womack, Erika D. “The evaluation of adsorbents for the removal of aflatoxin M1 from contaminated milk.” 2015. Doctoral Dissertation, Mississippi State University. Accessed April 11, 2021.
http://sun.library.msstate.edu/ETD-db/theses/available/etd-10302015-162636/ ;.
MLA Handbook (7th Edition):
Womack, Erika D. “The evaluation of adsorbents for the removal of aflatoxin M1 from contaminated milk.” 2015. Web. 11 Apr 2021.
Vancouver:
Womack ED. The evaluation of adsorbents for the removal of aflatoxin M1 from contaminated milk. [Internet] [Doctoral dissertation]. Mississippi State University; 2015. [cited 2021 Apr 11].
Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-10302015-162636/ ;.
Council of Science Editors:
Womack ED. The evaluation of adsorbents for the removal of aflatoxin M1 from contaminated milk. [Doctoral Dissertation]. Mississippi State University; 2015. Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-10302015-162636/ ;

Penn State University
4.
Saengdeejing, Arkapol.
A Computational Study of Superconducting Materials: A Case Study in Carbon-Doped MgB2.
Degree: 2011, Penn State University
URL: https://submit-etda.libraries.psu.edu/catalog/12386
► Properties of superconductivity materials below their critical temperature such as critical magnetic field (Hc2) or critical current density (Jc) are greatly affected by the…
(more)
▼ Properties of superconductivity materials below their critical temperature such as critical magnetic field (H
c2) or critical current density (J
c) are greatly affected by the structures/compositions determined at high temperature during the synthesis processes. It is well known that different processing conditions can result in different superconducting properties at low temperatures. Therefore, the ability to control the structures/compositions of the superconducting materials made at high temperatures is crucial for the development of the superconducting materials. Thermodynamics is a very useful tool to achieve control over the structures/compositions of the synthesis processes. With the improvement in the computational power and advancement in the field of computational thermodynamic and density functional theory, combining the powerful and robust CALculation of PHAse Diagram technique with quantum mechanical first-principles calculations has rapidly become the preferred approach for materials design especially for metallic alloys system in the past few years.
In this work, high temperature thermodynamics of the MgB
2 superconductor will be investigated. With the discovery of the unusually high superconducting temperature in MgB
2, countless investigations have been carried out on the superconducting properties of single crystal, polycrystal, thin films, or doped MgB
2. As mentioned earlier, properties of superconductors are affected by the structures/compositions of the superconducting materials processed at temperature much higher than superconductivity transition temperature. It is very important to understand the high temperature properties, so the superconducting properties at low temperatures can be easily controlled. First-principles calculations based on DFT are employed to obtain various thermodynamic and structural properties such as enthalpy of formation, heat capacity, mixing enthalpy, bulk modulus, elastic constants, and thermal expansion for the endmembers of the B
4+xC sublattice model and various phases present in the Mg-B-C system. The calculated thermochemical data are then used to optimize the Gibbs energy description of each phase in the system during the CALPHAD modeling. Temperature-dependent properties of those structures can be obtained using phonon calculations under the harmonic approximation via the supercell method. In some instances, the Debye-Grüneisen model is used instead of the supercell phonon approach to obtain the temperature-dependent thermodynamic properties that are necessary to the CALPHAD modeling because the phase has imaginary phonon frequencies present from dynamically unstable structures. The CALPHAD modeling is then applied to construct the B-C system using the five sublattice model, (B)
11(B,C)(B,C,Va)(B,Va)(B,C,Va), to represent the solubility in the B
4+xC phase. The Gibbs energy description of the ternary compound, MgB
2C
2, will be obtained…
Advisors/Committee Members: Zi Kui Liu, Dissertation Advisor/Co-Advisor, Zi Kui Liu, Committee Chair/Co-Chair, Joan Marie Redwing, Committee Member, Vincent Henry Crespi, Committee Member, Qi Li, Committee Member.
Subjects/Keywords: thermodynamic modeling; density functional theory; superconductor; CALPHAD; MgB<; sub>; 2<; /sub>
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Saengdeejing, A. (2011). A Computational Study of Superconducting Materials: A Case Study in Carbon-Doped MgB2. (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/12386
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Saengdeejing, Arkapol. “A Computational Study of Superconducting Materials: A Case Study in Carbon-Doped MgB2.” 2011. Thesis, Penn State University. Accessed April 11, 2021.
https://submit-etda.libraries.psu.edu/catalog/12386.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Saengdeejing, Arkapol. “A Computational Study of Superconducting Materials: A Case Study in Carbon-Doped MgB2.” 2011. Web. 11 Apr 2021.
Vancouver:
Saengdeejing A. A Computational Study of Superconducting Materials: A Case Study in Carbon-Doped MgB2. [Internet] [Thesis]. Penn State University; 2011. [cited 2021 Apr 11].
Available from: https://submit-etda.libraries.psu.edu/catalog/12386.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Saengdeejing A. A Computational Study of Superconducting Materials: A Case Study in Carbon-Doped MgB2. [Thesis]. Penn State University; 2011. Available from: https://submit-etda.libraries.psu.edu/catalog/12386
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Northeastern University
5.
Bilgin, Ismail.
Synthesis and optoelectronic properties of two-dimensional transition metal dichalcogenides.
Degree: PhD, Department of Physics, 2017, Northeastern University
URL: http://hdl.handle.net/2047/D20248637
► Graphene, the first 2D layered material, has had an enormous impact on the field of nanomaterials. It has been demonstrated that graphene has remarkable mechanical,…
(more)
▼ Graphene, the first 2D layered material, has had an enormous impact on the field of nanomaterials. It has been demonstrated that graphene has remarkable mechanical, electronic and optical properties such as high electrical conductivity, broad band absorption of light etc. However, graphene does not fulfill all the scientific requirements. Due to its zero-band gap, there are limited applications in optoelectronics. To overcome graphenes shortcoming, researchers have recently started to explore other 2-dimensional materials such as metal oxides, transition metal dichalcogenides, and hexagonal boron nitrides.; Among the 2D materials, transition metal dichalcogenides (such as MoS2, MoSe2, WS2, WSe2) get more attention due to their tunable optical band gaps. It has been shown that these TMDs go from indirect to direct band gap as the layer count goes from bulk to monolayer, which is one of the requirements of optoelectronic device applications.; Since these materials are layered, it can be mechanically exfoliated easily. However, large area and highly crystalline structures are required to observe optical and electronic properties, as well as to make these viable for commercial applications. In my research, I have developed a new synthesis method, called vapor phase chalcogenization, by using MoO2 or WO2 as a precursor unlike conventionally use Mo, W and MoO3, WO3 powders. With this method, we eliminated the chemical reaction process to one step with less oxygen content in the reaction. The quality of the grown samples is clearly observed by Raman, Photoluminescence, and Photocurrent Spectroscopy., and further analyzed by Transmission Electron Microscopy (TEM). For example, we have reported, for the first time, two distinctly new phonon processes in 2D MoS2 at 285 cm-1 and 487 cm-1. The ultra-high, optoelectronic-grade crystalline quality of MoS2 sample could be also observed through photocurrent spectroscopy, which clearly reveal excitonic states at room temperature. I further studied temperature dependent binding energies of excitons and quasiparticle band gap of MoS2.; In my second work, I have extended my research to another 2D material, molybdenum diselinide (MoSe2), which is more favorable for solar cell applications due to its optical band gap range. We have observed detailed Raman processes of mono and few layer of MoSe2 which some of them are previously not explained experimentally and theoretically. I further studied excitation energy dependence of the MoSe2 Raman spectrum.; Finally, creating artificially-stacked and in-plane 2D heterostructures has also opened a new research field for designing new materials. Building these materials also requires clean interfaces, and creating atomically-controlled van der waals (vdW) heterostructure is still challenging. We have synthesized rotationally aligned vertical MoS2-MoSe2…
Subjects/Keywords: 2D materials; exciton; heterostructures; MoS<; sub>; 2<; /sub>;
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Bilgin, I. (2017). Synthesis and optoelectronic properties of two-dimensional transition metal dichalcogenides. (Doctoral Dissertation). Northeastern University. Retrieved from http://hdl.handle.net/2047/D20248637
Chicago Manual of Style (16th Edition):
Bilgin, Ismail. “Synthesis and optoelectronic properties of two-dimensional transition metal dichalcogenides.” 2017. Doctoral Dissertation, Northeastern University. Accessed April 11, 2021.
http://hdl.handle.net/2047/D20248637.
MLA Handbook (7th Edition):
Bilgin, Ismail. “Synthesis and optoelectronic properties of two-dimensional transition metal dichalcogenides.” 2017. Web. 11 Apr 2021.
Vancouver:
Bilgin I. Synthesis and optoelectronic properties of two-dimensional transition metal dichalcogenides. [Internet] [Doctoral dissertation]. Northeastern University; 2017. [cited 2021 Apr 11].
Available from: http://hdl.handle.net/2047/D20248637.
Council of Science Editors:
Bilgin I. Synthesis and optoelectronic properties of two-dimensional transition metal dichalcogenides. [Doctoral Dissertation]. Northeastern University; 2017. Available from: http://hdl.handle.net/2047/D20248637

University of Notre Dame
6.
Catherine Rastovski.
Metastable Vortex Lattice Dynamics in
MgB2 Studied by Small Angle Neutron
Scattering</h162;.
Degree: Physics, 2014, University of Notre Dame
URL: https://curate.nd.edu/show/f4752f77w47
► Using the technique Small Angle Neutron Scattering (SANS), I studied the vortex lattice (VL) in MgB2 for a number of field-temperature histories mapping out…
(more)
▼ Using the technique Small Angle Neutron
Scattering (SANS), I studied the vortex lattice (VL) in
MgB
2 for a number of field-temperature
histories mapping out the ground state VL phase diagram and fully
exploring the second order rotation transition behavior of the
lattice which differed from theoretical predictions. Additionally,
long lived metastable VL phases were discovered, the existence of
which was unexpected in such a clean sample. To
explore the origin of the metastability in
MgB
2, I performed a detailed study of the
metastable VL in MgB
2 as it was gradually
driven to the ground state by small decreases in the applied
magnetic field using SANS. Our measurements showed that metastable
VL domains persist in the presence of substantial vortex motion and
thus provide definitive evidence that the metastability cannot be
attributed to the pinning of vortices to defects in the
crystal. Using SANS in combination with a small
AC magnet, I studied the VL in MgB
2 as it
was driven from a metastable to the ground state by application of
a few mT AC magnetic field oriented either parallel or
perpendicular to the vortices in the sample. The transition to the
ground state showed two distinct power-law behaviors which
indicates a novel kind of vortex motion.
Advisors/Committee Members: Morten Eskildsen, Committee Member.
Subjects/Keywords: MgB<; sub>; 2<; /sub>;
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Rastovski, C. (2014). Metastable Vortex Lattice Dynamics in
MgB2 Studied by Small Angle Neutron
Scattering</h1>. (Thesis). University of Notre Dame. Retrieved from https://curate.nd.edu/show/f4752f77w47
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Rastovski, Catherine. “Metastable Vortex Lattice Dynamics in
MgB2 Studied by Small Angle Neutron
Scattering</h1>.” 2014. Thesis, University of Notre Dame. Accessed April 11, 2021.
https://curate.nd.edu/show/f4752f77w47.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Rastovski, Catherine. “Metastable Vortex Lattice Dynamics in
MgB2 Studied by Small Angle Neutron
Scattering</h1>.” 2014. Web. 11 Apr 2021.
Vancouver:
Rastovski C. Metastable Vortex Lattice Dynamics in
MgB2 Studied by Small Angle Neutron
Scattering</h1>. [Internet] [Thesis]. University of Notre Dame; 2014. [cited 2021 Apr 11].
Available from: https://curate.nd.edu/show/f4752f77w47.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Rastovski C. Metastable Vortex Lattice Dynamics in
MgB2 Studied by Small Angle Neutron
Scattering</h1>. [Thesis]. University of Notre Dame; 2014. Available from: https://curate.nd.edu/show/f4752f77w47
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
7.
Allured, Bradley.
Improving the Photocatalytic Hydrogen Yield of Bi2Ti2O7 via Fe Substitution.
Degree: 2014, University of Nevada – Reno
URL: http://hdl.handle.net/11714/2370
► Bi2Ti2O7 (BTO) has been shown to be an effective material for photocatalytic hydrogen production, but is further improved by the low-level inclusion of Fe ions.…
(more)
▼ Bi
2Ti
2O
7 (BTO) has been shown to be an effective material for photocatalytic hydrogen production, but is further improved by the low-level inclusion of Fe ions. This improvement is likely due to the introduction of interband electronic states, allowing for a multi-photon process in which electrons can be promoted to the conduction band by multiple photons of lower energy than is necessary in the single photon process in pure BTO.The suspected mechanisms for the band structure alterations and hydrogen generation are presented. A method was developed for the synthesis of BTO nanoparticles, and allowing for the inclusion of Fe ions, and the material was characterized to confirm its structure, composition and physical properties. Hydrogen generation experiments were conducted in a slurry reactor with water and methanol, illuminated by a Hg-vapor lamp; a model was used to confirm validity of the measurements; and ultimately, BTO with 1% Fe inclusion is shown superior in hydrogen generation over BTO and a standard benchmark, commercially produced TiO
2.A reduced version of much of the information contained in this work also appears in Applied Catalysis B: Environmental, vol. 144
1. As many key items appear in both papers such content is not individually cited.
Advisors/Committee Members: Darling, Timothy W. (advisor), Subramanian, Vaidyanathan (Ravi) (committee member), Neill, Paul (committee member), Arnott, W. Patrick (committee member), King, Benjamin T. (committee member).
Subjects/Keywords: bismuth titanate; BTO; hydrogen; iron; Photocatalysis; TiO<; sub>; 2<; /sub>
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Allured, B. (2014). Improving the Photocatalytic Hydrogen Yield of Bi2Ti2O7 via Fe Substitution. (Thesis). University of Nevada – Reno. Retrieved from http://hdl.handle.net/11714/2370
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Allured, Bradley. “Improving the Photocatalytic Hydrogen Yield of Bi2Ti2O7 via Fe Substitution.” 2014. Thesis, University of Nevada – Reno. Accessed April 11, 2021.
http://hdl.handle.net/11714/2370.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Allured, Bradley. “Improving the Photocatalytic Hydrogen Yield of Bi2Ti2O7 via Fe Substitution.” 2014. Web. 11 Apr 2021.
Vancouver:
Allured B. Improving the Photocatalytic Hydrogen Yield of Bi2Ti2O7 via Fe Substitution. [Internet] [Thesis]. University of Nevada – Reno; 2014. [cited 2021 Apr 11].
Available from: http://hdl.handle.net/11714/2370.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Allured B. Improving the Photocatalytic Hydrogen Yield of Bi2Ti2O7 via Fe Substitution. [Thesis]. University of Nevada – Reno; 2014. Available from: http://hdl.handle.net/11714/2370
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
8.
Mojumder, Nazrul I.
Photo-assisted Enhancement of Formic Acid Oxidation over Platinized TiO2 Nanotube Composite.
Degree: 2013, University of Nevada – Reno
URL: http://hdl.handle.net/11714/3239
► 1D TiO2 nanotubes (TNT) prepared by anodization deposited with 0D Pt nanoparticles (TNT-Pt) prepared by a solvothermal method is used as a photoelectrocatalyst for formic…
(more)
▼ 1D TiO2 nanotubes (TNT) prepared by anodization deposited with 0D Pt nanoparticles
(TNT-Pt) prepared by a solvothermal method is used as a photoelectrocatalyst for formic
acid (FA) oxidation. SEM, XRD, absorbance, EDX analysis indicates the polycrystalline
TiO2 nanotubes of approximately 100±10 nm in diameter with 5-25 nm dimensions of Pt
aggregates are formed. The composite was tested as a working electrode in the
photoelectrooxidation of FA for applications such as fuel cells. Electrochemical
characterization of the synthesized electrode was studied under the effect of light in order
to determine the current generation of the photoactive electrode. The results show that Pt
coupled with TiO2 leads to a synergistic, i.e. boosting effect, in the increase of current
density. In the presence of light, there is about a 5-fold increase in current density (75.1
mA/cm2
) as compared to the absence of light (16.0 mA/cm2
). At a bias of 0.45 V the
increase is about 20-fold in the presence of light (
62.5 mA/cm2
) compared to (3.04
mA/cm2
) in the absence of light. In addition, the effect of light in the current generation
as a result of voltage bias effect is shown, thus leading to the observation that the longer
the working electrode encounters light, the greater number of electrons that are generated
to yield a higher current density. The study of this effect indicates a progressive current
generation from light off to light on, traversing the whole range of the current generation.
Thus, a combination of Helmholtz electrical double layer based limitation and mass
transport limitations determine the extent of this boosting phenomenon.
Advisors/Committee Members: Subramanian, Vaidyanathan Ravi (advisor), Chandra, Dhanesh (committee member), Tian, Zong (committee member).
Subjects/Keywords: Formic acid; Photocatalysis; Photoelectrochemistry; Pt nanoparticles; Solvothermal; TiO<; sub>; 2<; /sub>; nanotube
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Mojumder, N. I. (2013). Photo-assisted Enhancement of Formic Acid Oxidation over Platinized TiO2 Nanotube Composite. (Thesis). University of Nevada – Reno. Retrieved from http://hdl.handle.net/11714/3239
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Mojumder, Nazrul I. “Photo-assisted Enhancement of Formic Acid Oxidation over Platinized TiO2 Nanotube Composite.” 2013. Thesis, University of Nevada – Reno. Accessed April 11, 2021.
http://hdl.handle.net/11714/3239.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Mojumder, Nazrul I. “Photo-assisted Enhancement of Formic Acid Oxidation over Platinized TiO2 Nanotube Composite.” 2013. Web. 11 Apr 2021.
Vancouver:
Mojumder NI. Photo-assisted Enhancement of Formic Acid Oxidation over Platinized TiO2 Nanotube Composite. [Internet] [Thesis]. University of Nevada – Reno; 2013. [cited 2021 Apr 11].
Available from: http://hdl.handle.net/11714/3239.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Mojumder NI. Photo-assisted Enhancement of Formic Acid Oxidation over Platinized TiO2 Nanotube Composite. [Thesis]. University of Nevada – Reno; 2013. Available from: http://hdl.handle.net/11714/3239
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Northeastern University
9.
Vargas, Anthony.
Optical properties of nanoscale bismuth selenide and its heterocrystals.
Degree: PhD, Department of Physics, 2016, Northeastern University
URL: http://hdl.handle.net/2047/D20213177
► Over the past 12 years since the groundbreaking work on graphene, the field of 2D layered materials has grown by leaps and bounds as more…
(more)
▼ Over the past 12 years since the groundbreaking work on graphene, the field of 2D layered materials has grown by leaps and bounds as more materials are theoretically predicted and experimentically verified. These materials and their unique electronic, optical, and mechanical properties have inspired the scientific community to explore and investigate novel, fundamental physical phenomena as well create and refine technological devices which leverage the host of unique benefits which these materials possess. In the past few years, this burgeoning field has heavily moved towards combining layers of various materials into novel heterostructures. These heterostructures are an exciting area of research because of the plethora of exciting possibilities and results which arise due to the large number of heterostructure combinations and configurations. Particularly, the research into the optical properties of these layered materials and their heterostructures under confinement provides another exciting avenue for developing optoelectric devices.; In this dissertation, I present work on the synthesis of Bi2Se3 nanostructures via chemical vapor deposition (CVD) and the study of the optical properties of these nanostructures and their heterostructures with MoS2. The bulk of the current published work on Bi2Se3 has focused on the exotic topological properties of its surface states, both interesting fundamental physics purposes as well as for studying avenues for spintronics. In contrast, the work presented here focuses on studying the optical properties of Bi2Se3 nanostructures and how these properties evolve when subjected to confinement. Specifically, the absorbance of singlecrystal Bi2Se3 with sizes tailored down to a few nanometers in diameter and a few quintuple layers (QLs) in thickness. We find a dramatically large bandgap, Eg ≥ 2.5 eV, in the smallest particles which is much higher than that seen in 1QL measurements taken with ARPES. Additionally, utilizing photoluminescence (PL) measurements of CVD-grown Bi2Se3 nanoplates with few QL thickness and effective diameters in the tens of nanometers, Bi2Se3 nanoplatelets show a strong PL response with photon energies, Eph, in the ~2.1-2.3 eV region. Annealing of these samples at 200◦C for 4 hours increases the PL intensity by a factor of 2.4 to 3 for nanoscale Bi2Se3. Furthermore, this work investigates the synthesis of the novel Bi2Se3-MoS2 heterocrystal that arises from epitaxial growth of Bi2Se3 on MoS2 substrates. These heterocrystals consist of n layers of Bi2Se3 perfectly rotationally-aligned epitaxially with the monolayer MoS2 substrate. Investigation into these heterocystals produced results which include 100% PL-suppression of the MoS2 PL response, precisely tunable band-gap ranging from…
Subjects/Keywords: Bi<; sub>; 2<; /sub>; Se<; sub>; 3<; /sub>;
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APA ·
Chicago ·
MLA ·
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CSE |
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APA (6th Edition):
Vargas, A. (2016). Optical properties of nanoscale bismuth selenide and its heterocrystals. (Doctoral Dissertation). Northeastern University. Retrieved from http://hdl.handle.net/2047/D20213177
Chicago Manual of Style (16th Edition):
Vargas, Anthony. “Optical properties of nanoscale bismuth selenide and its heterocrystals.” 2016. Doctoral Dissertation, Northeastern University. Accessed April 11, 2021.
http://hdl.handle.net/2047/D20213177.
MLA Handbook (7th Edition):
Vargas, Anthony. “Optical properties of nanoscale bismuth selenide and its heterocrystals.” 2016. Web. 11 Apr 2021.
Vancouver:
Vargas A. Optical properties of nanoscale bismuth selenide and its heterocrystals. [Internet] [Doctoral dissertation]. Northeastern University; 2016. [cited 2021 Apr 11].
Available from: http://hdl.handle.net/2047/D20213177.
Council of Science Editors:
Vargas A. Optical properties of nanoscale bismuth selenide and its heterocrystals. [Doctoral Dissertation]. Northeastern University; 2016. Available from: http://hdl.handle.net/2047/D20213177

University of Oulu
10.
Sallinen, P. (Pirkko).
Myocardial infarction:aspects relating to endogenous and exogenous melatonin and cardiac contractility.
Degree: 2008, University of Oulu
URL: http://urn.fi/urn:isbn:9789514287558
► Abstract Melatonin is an important modulator of several physiological and behavioural processes, and it influences the function of many different tissues. Melatonin has effective antioxidative…
(more)
▼ Abstract
Melatonin is an important modulator of several physiological and behavioural processes, and it influences the function of many different tissues. Melatonin has effective antioxidative properties, but some of its actions in mammals are also mediated through the MT1 and MT2 melatonin receptors. Antioxidative properties are seen especially when the melatonin concentration is high (≥ nM), and melatonin's affinity for its receptors appears at lower concentrations (pM).
Recently, the involvement of melatonin in protecting the heart against cardiac diseases, including myocardial infarction (MI), has been brought out. MI alters the structure and function of myocardium, attenuating for example cardiac contractility by affecting the amount and function of the essential Ca2+ handling proteins, dihydropyridine receptor (DHPR), ryanodine receptor (RyR2) and sarco-endoplasmic reticulum (SR) Ca2+-ATPase2 (SERCA2). MI also evokes many adaptive responses in organisms, such as elevated production of atrial and brain natriuretic peptides (ANP and BNP).
In this thesis, the expression of MT1 and MT2 receptor mRNAs was investigated in several rat tissues. Furthermore, the effect of MI and exogenous melatonin on the rat endogenous melatonin and on the expression of cardiac MT1, MT2, DHPR, RyR2 and SERCA2 proteins was evaluated. The concentrations of ANP and BNP were also measured after post-MI melatonin administration.
The results show the expression of MT1 and/or MT2 receptor mRNAs in the hypothalamus, retina, small intestine, liver and heart, which indicates that at least some effects of melatonin could be mediated through the receptors in these tissues. Melatonin synthesis in the pineal gland increased rapidly in response to MI, supporting an important role of endogenous melatonin in protecting the heart after MI. Furthermore, exogenous melatonin altered the mRNA expression of DHPR, RyR2 and SERCA2 after MI, suggesting that melatonin might contribute to the post-infarction cardiac contractile function. The results also revealed a novel, positive relationship between melatonin and ANP, and thereby bring out one more possible way of melatonin to protect the heart against MI-induced injuries.
Taken together, the present thesis (i) supports the notion that melatonin is an important endogenous protective agent of the organism, and (ii) extends our knowledge of melatonin's post-infarction cardioprotective actions.
Tiivistelmä
Melatoniini osallistuu monien fysiologisten toimintojen ja käyttäytymisen säätelyyn sekä vaikuttaa useiden eri kudosten toimintaan. Melatoniini on tehokas antioksidantti, mutta jotkut sen vaikutuksista välittyvät myös MT1 ja MT2 melatoniini reseptorien kautta. Antioksidatiiviset vaikutukset tulevat esiin erityisesti silloin, kun melatoniinin pitoisuus on korkea (≥ nM). Alhaisemmilla pitoisuuksilla (pM) on puolestaan havaittavissa melatoniinin sitoutuminen reseptoreihinsa.
Viime aikoina on tullut esille melatoniinin mahdollinen suojavaikutus sydänsairauksia, kuten sydäninfarkteja, vastaan.…
Subjects/Keywords: MT<; sub>; 1<; /sub>;
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Sallinen, P. (. (2008). Myocardial infarction:aspects relating to endogenous and exogenous melatonin and cardiac contractility. (Doctoral Dissertation). University of Oulu. Retrieved from http://urn.fi/urn:isbn:9789514287558
Chicago Manual of Style (16th Edition):
Sallinen, P (Pirkko). “Myocardial infarction:aspects relating to endogenous and exogenous melatonin and cardiac contractility.” 2008. Doctoral Dissertation, University of Oulu. Accessed April 11, 2021.
http://urn.fi/urn:isbn:9789514287558.
MLA Handbook (7th Edition):
Sallinen, P (Pirkko). “Myocardial infarction:aspects relating to endogenous and exogenous melatonin and cardiac contractility.” 2008. Web. 11 Apr 2021.
Vancouver:
Sallinen P(. Myocardial infarction:aspects relating to endogenous and exogenous melatonin and cardiac contractility. [Internet] [Doctoral dissertation]. University of Oulu; 2008. [cited 2021 Apr 11].
Available from: http://urn.fi/urn:isbn:9789514287558.
Council of Science Editors:
Sallinen P(. Myocardial infarction:aspects relating to endogenous and exogenous melatonin and cardiac contractility. [Doctoral Dissertation]. University of Oulu; 2008. Available from: http://urn.fi/urn:isbn:9789514287558

University of Akron
11.
Hoang, Bang.
Protonation and Other Acid-Base Chemistry of
Chlorophosphazenes.
Degree: MS, Chemistry, 2005, University of Akron
URL: http://rave.ohiolink.edu/etdc/view?acc_num=akron1124822574
► Some acid-base aspects of (PCl2N)3 and [PCl2N]n were examined. NMR protonation studies on the (PCl2N)3 and the [PCl2N]n were performed with magic acid. NMR analysis…
(more)
▼ Some acid-base aspects of
(PCl2N)
3 and [PCl2N]
n
were examined. NMR protonation studies on the
(PCl2N)
3 and the
[PCl2N]
n were performed with magic acid. NMR
analysis of the reaction of the [PCl2N]
n
with triflic acid was also performed. The stability of the
[PCl2N]
n polymer in the solvent diglyme was
examined using
31P NMR. Also there was an
examination the possibility of using diglyme as a potential solvent
in the synthesis the (PCl2N)
3. Diglyme was
substituted for s-tetrachloroethane in an established
work-up.
Advisors/Committee Members: Tessier, Claire (Advisor).
Subjects/Keywords: Chemistry, Inorganic; acid; base; phosphazene; (PCl2N)<; sub>; 3<; /sub>;
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Hoang, B. (2005). Protonation and Other Acid-Base Chemistry of
Chlorophosphazenes. (Masters Thesis). University of Akron. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=akron1124822574
Chicago Manual of Style (16th Edition):
Hoang, Bang. “Protonation and Other Acid-Base Chemistry of
Chlorophosphazenes.” 2005. Masters Thesis, University of Akron. Accessed April 11, 2021.
http://rave.ohiolink.edu/etdc/view?acc_num=akron1124822574.
MLA Handbook (7th Edition):
Hoang, Bang. “Protonation and Other Acid-Base Chemistry of
Chlorophosphazenes.” 2005. Web. 11 Apr 2021.
Vancouver:
Hoang B. Protonation and Other Acid-Base Chemistry of
Chlorophosphazenes. [Internet] [Masters thesis]. University of Akron; 2005. [cited 2021 Apr 11].
Available from: http://rave.ohiolink.edu/etdc/view?acc_num=akron1124822574.
Council of Science Editors:
Hoang B. Protonation and Other Acid-Base Chemistry of
Chlorophosphazenes. [Masters Thesis]. University of Akron; 2005. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=akron1124822574

University of Oulu
12.
Popov, A. (Alexey).
TiO2 nanoparticles as UV protectors in skin.
Degree: 2008, University of Oulu
URL: http://urn.fi/urn:isbn:9789514288982
► Abstract Protecting human skin against harmful UV radiation from the sun is an acute problem nowadays. Due to decreased thickness of the ozone layer, more…
(more)
▼ Abstract
Protecting human skin against harmful UV radiation from the sun is an acute problem nowadays. Due to decreased thickness of the ozone layer, more UV light reaches the ground surface. This is one of the reasons of increased frequency of skin diseases. Titanium dioxide (TiO2) nanoparticles are embedded with sunscreens into the skin to attenuate UV radiation through absorption and scattering. The effectiveness of the interaction between particles and UV light depends on nanoparticle sizes.
The aim of the study is to predict how the optical properties of the superficial layer of the human skin (stratum corneum) can be modified by means of nanoparticles, assuming that these particles are spheres and do not aggregate (this is achieved by application of some modern treatment techniques). In-depth distribution of TiO2 particles embedded into the skin after multiple applications of sunscreens was determined experimentally using the tape-stripping technique. A computer code implementing the Monte Carlo method was developed to simulate photon migration within the 20-μm thick horny layer partially filled with nano-sized TiO2 spheres, 35–200 nm in diameter. Dependencies of UV radiation of two wavelengths (310 and 400 nm) absorbed by and totally reflected from, as well as transmitted through the horny layer on the size of TiO2 particles were obtained and analyzed. Silicon nanoparticles of the same diameters were considered for comparison. The most attenuating particles were found for both cases.
The harmful side-effect of UV light absorption by TiO2 particles is the generation of free radicals. Study of this phenomenon, using an electron paramagnetic resonance technique, was also carried out in this thesis. Comparison of the strength of the effect was done for two particle sizes administered onto either glass slides or porcine ear skin.
Subjects/Keywords: Monte Carlo simulations; UV radiation; free radicals; nanoparticles; skin; stratum corneum; titanium dioxide; TiO<; sub>; 2<; /sub>
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Popov, A. (. (2008). TiO2 nanoparticles as UV protectors in skin. (Doctoral Dissertation). University of Oulu. Retrieved from http://urn.fi/urn:isbn:9789514288982
Chicago Manual of Style (16th Edition):
Popov, A (Alexey). “TiO2 nanoparticles as UV protectors in skin.” 2008. Doctoral Dissertation, University of Oulu. Accessed April 11, 2021.
http://urn.fi/urn:isbn:9789514288982.
MLA Handbook (7th Edition):
Popov, A (Alexey). “TiO2 nanoparticles as UV protectors in skin.” 2008. Web. 11 Apr 2021.
Vancouver:
Popov A(. TiO2 nanoparticles as UV protectors in skin. [Internet] [Doctoral dissertation]. University of Oulu; 2008. [cited 2021 Apr 11].
Available from: http://urn.fi/urn:isbn:9789514288982.
Council of Science Editors:
Popov A(. TiO2 nanoparticles as UV protectors in skin. [Doctoral Dissertation]. University of Oulu; 2008. Available from: http://urn.fi/urn:isbn:9789514288982

Ohio University
13.
Yang, Yang.
Removal Mechanisms of Protective Iron Carbonate Layer in
Flowing Solutions.
Degree: PhD, Chemical Engineering (Engineering and
Technology), 2012, Ohio University
URL: http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1339731278
► In the oil and gas industry, internal corrosion of carbon steel pipelines is commonly encountered during production and transportation. Iron carbonate is the main…
(more)
▼ In the oil and gas industry, internal
corrosion of carbon steel pipelines is commonly encountered during
production and transportation. Iron carbonate is the main corrosion
product layer in a CO
2 corrosion
environment. The formation of a protective iron carbonate layer can
protect the steel from further corrosion by acting as a diffusion
barrier and also by covering portions of the steel surface. Partial
removal of the protective iron carbonate layer can lead to severe
localized corrosion by the galvanic effect established between
layer-covered and layer-free areas. Therefore, it is very important
to understand the mechanisms of protective iron carbonate layer
removal. In the current study, two possible removal mechanisms were
examined by experimental studies: mechanical removal by flow and
chemical removal by dissolution. Three types of
experimental setups were used in order to examine whether the
protective iron carbonate layer could be removed by flow. Small
scale experiments were conducted in a glass cell with a rotating
cylinder electrode setup and jet impingement setup. Although two
different types of flow pattern were used, results showed that the
protective iron carbonate layer was not affected by the flow and a
thin yet adherent layer remained on the steel surface and protected
the steel from corrosion. Furthermore, a medium scale thin channel
flow cell system was designed and constructed, in order to conduct
tests under more realistic flow conditions. It was once again
proven that the iron carbonate layer remained protective under the
enhanced flow condition. In addition, the mechanical strength of
the protective layer was characterized in tensile strength
experiments. It appeared that the measured strength necessary to
separate the protective iron carbonate layer from the steel
substrate was on the order of 10
6 Pa. This
value was a few orders of magnitude higher than the wall shear
stress encountered in most realistic flow systems, which
demonstrated that with only mechanical force exerted by flow, the
protective iron carbonate layer cannot be
damaged. A qualitative study of iron carbonate
dissolution was made using scanning electron microscopy. It was
shown that the dissolution of the iron carbonate layer led to
exposure of the underlying steel. Plate shaped iron carbonate was
dissolved preferably as compared to prism shaped iron carbonate.
Chemical dissolution of the protective iron carbonate layer was
first tested in a glass cell with a rotating cylinder electrode
setup. It was observed that the corrosion rate of the underlying
steel increased as a consequence of the dissolution of the
protective iron carbonate layer due to exposure to an
undersaturated solution. With the capability of in situ measurement
of mass change on the surface, the electrochemical quartz crystal
microbalance was employed in the current study to monitor the iron
carbonate dissolution rate directly. Quartz crystals coated with
iron, gold and platinum were used. Finally a dissolution mechanism…
Advisors/Committee Members: Nesic, Srdjan (Advisor).
Subjects/Keywords: Chemical Engineering; CO<; sub>; 2<; /sub>; corrosion; iron carbonate; mechanical effect of flow; chemical dissolution
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Yang, Y. (2012). Removal Mechanisms of Protective Iron Carbonate Layer in
Flowing Solutions. (Doctoral Dissertation). Ohio University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1339731278
Chicago Manual of Style (16th Edition):
Yang, Yang. “Removal Mechanisms of Protective Iron Carbonate Layer in
Flowing Solutions.” 2012. Doctoral Dissertation, Ohio University. Accessed April 11, 2021.
http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1339731278.
MLA Handbook (7th Edition):
Yang, Yang. “Removal Mechanisms of Protective Iron Carbonate Layer in
Flowing Solutions.” 2012. Web. 11 Apr 2021.
Vancouver:
Yang Y. Removal Mechanisms of Protective Iron Carbonate Layer in
Flowing Solutions. [Internet] [Doctoral dissertation]. Ohio University; 2012. [cited 2021 Apr 11].
Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1339731278.
Council of Science Editors:
Yang Y. Removal Mechanisms of Protective Iron Carbonate Layer in
Flowing Solutions. [Doctoral Dissertation]. Ohio University; 2012. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1339731278

University of Akron
14.
Zhou, Yuan.
Modeling and Simulation of Dielectric Materials.
Degree: MS, Physics, 2007, University of Akron
URL: http://rave.ohiolink.edu/etdc/view?acc_num=akron1185810210
► The perovskites ABO3 are the most important class of dielectric materials. The perovskite SrTiO3 and the perovskite-related material CaCu3Ti4O12 are studied in this work.…
(more)
▼ The perovskites ABO
3
are the most important class of dielectric materials. The
perovskite SrTiO
3 and the perovskite-related
material
CaCu
3Ti
4O
12
are studied in this work. In the first part of
this work, we find the structural temperature of
SrTiO
3 by performing molecular dynamics
simulations and investigate electronic and structural properties of
SrTiO
3 by performing ab initio calculations.
A strong chemical bonding nature between Ti and O is found. This is
responsible for the TiO
6 octahedron behavior
throughout the phase transition. In the second
part, ab initio calculations on
CaCu
3Ti
4O
12
are performed. We investigate the electronic properties of this
material. An antiferromagnetic character of
CaCu
3Ti
4O
12
is observed. Furthermore, we investigate the electronic properties
of new materials of different Ca, Cu ratios. This is the first time
to perform ab initio calculations to study
Ca
1+xCu
3-xTi
4O
12.
We find that with the increase of with increase of Ca in the
material, the optimized lattice constant and band gap increase, and
insulator character becomes much more pronounced in the material.
This is in good agreement with the experimental
results.
Advisors/Committee Members: Buldum, Alper (Advisor), Chen, Ang (Advisor).
Subjects/Keywords: modeling; simulations; ab inito; dielectric materials; SrTiO<; sub>; 3<; /sub>;
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Zhou, Y. (2007). Modeling and Simulation of Dielectric Materials. (Masters Thesis). University of Akron. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=akron1185810210
Chicago Manual of Style (16th Edition):
Zhou, Yuan. “Modeling and Simulation of Dielectric Materials.” 2007. Masters Thesis, University of Akron. Accessed April 11, 2021.
http://rave.ohiolink.edu/etdc/view?acc_num=akron1185810210.
MLA Handbook (7th Edition):
Zhou, Yuan. “Modeling and Simulation of Dielectric Materials.” 2007. Web. 11 Apr 2021.
Vancouver:
Zhou Y. Modeling and Simulation of Dielectric Materials. [Internet] [Masters thesis]. University of Akron; 2007. [cited 2021 Apr 11].
Available from: http://rave.ohiolink.edu/etdc/view?acc_num=akron1185810210.
Council of Science Editors:
Zhou Y. Modeling and Simulation of Dielectric Materials. [Masters Thesis]. University of Akron; 2007. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=akron1185810210

University of Cincinnati
15.
CHO, KYUNGMIN JACOB.
A MODELING AND EXPERIMENTAL STUDY OF THE CONVERSION OF TRONA
TO INCREASE ITS REACTIVITY WITH SO 2IN DRY
INJECTION SYSTEM.
Degree: PhD, Engineering : Environmental Engineering, 2007, University of Cincinnati
URL: http://rave.ohiolink.edu/etdc/view?acc_num=ucin1185822434
► Coal has been widely used as primary energy sources including petroleum and natural gas in the United States. Approximately 90% of coal in the United…
(more)
▼ Coal has been widely used as primary energy sources
including petroleum and natural gas in the United States.
Approximately 90% of coal in the United States is attributed to the
generation of electricity. Furthermore, due to low cost of coal,
the developing countries also generate electricity mainly by
coal‐fired power plants. However, coal contains high level of
sulfur, ranging from less than 1 % to 10 %, which exists as
sulfides, sulfates, pyrite, and organic forms. These sulfur content
in coal causes emission of sulfur dioxide (SO
2) through exhaust gas of power plants
during coal burning process. In the United States, approximately
two third of all SO
2comes from electric
power generation that relies on burning fossil fuels like coal 1.
As a consequence, the stringent regulatory has regulated the
exhaust gas from power plants, resulting in having them equip with
flue gas desulfurization technologies. Accordingly, a variety of
Flue Gas Desulfurization (FGD) processes has been developed for
reducing SO
2exhausted from power plants.
These FGD technologies employ various sorbents such as limestone
(CaCO
3), lime (CaO), calcium hydroxide
(Ca(OH)
2), dolomite (CaCO
3•MgCO
3), magnesium
oxide (MgO), sodium carbonate (Na
2CO
3), and sodium bicarbonate (NaHCO
3) for the reduction of SO
2. Among various sorbents used in FGD
technologies, in spite of its lower reactivity, calcium hydroxide
is most widely used as sorbent because of the lower cost. According
to the previous studies, sodium bicarbonate is more efficient in
removing SO
2than calcium hydroxide, sodium
carbonate or natural trona (Na
2CO
3•NaHCO
3•2H
2O). However, sodium bicarbonate is not as
cost efficient as calcium hydroxide or natural trona which is
relatively abundant in nature. Since natural trona is composed of
approximately 46% sodium carbonate and 36% sodium bicarbonate, a
cost‐effective sorbent would be generated by converting sodium
carbonate of raw trona to sodium bicarbonate. Hence, the first
objective of the study was to develop a cost‐effective method of
converting Na
2CO
3of
raw trona to NaHCO
3to achieve more
efficient removal of SO
2in dry injection
systems. Another objective of this study was to elucidate the
underlying kinetics and mechanism of how trona decomposes to Na
2CO
3as it reacts
with SO
2in a fabric filter collector.
Finally, based on the kinetics and mechanism, a model for SO
2removal by trona injection in a fabric
filter collector was proposed.
Advisors/Committee Members: Keener, Dr. Tim (Advisor).
Subjects/Keywords: Engineering, Environmental; SO <; sub>; 2<; /sub>;
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APA (6th Edition):
CHO, K. J. (2007). A MODELING AND EXPERIMENTAL STUDY OF THE CONVERSION OF TRONA
TO INCREASE ITS REACTIVITY WITH SO 2IN DRY
INJECTION SYSTEM. (Doctoral Dissertation). University of Cincinnati. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=ucin1185822434
Chicago Manual of Style (16th Edition):
CHO, KYUNGMIN JACOB. “A MODELING AND EXPERIMENTAL STUDY OF THE CONVERSION OF TRONA
TO INCREASE ITS REACTIVITY WITH SO 2IN DRY
INJECTION SYSTEM.” 2007. Doctoral Dissertation, University of Cincinnati. Accessed April 11, 2021.
http://rave.ohiolink.edu/etdc/view?acc_num=ucin1185822434.
MLA Handbook (7th Edition):
CHO, KYUNGMIN JACOB. “A MODELING AND EXPERIMENTAL STUDY OF THE CONVERSION OF TRONA
TO INCREASE ITS REACTIVITY WITH SO 2IN DRY
INJECTION SYSTEM.” 2007. Web. 11 Apr 2021.
Vancouver:
CHO KJ. A MODELING AND EXPERIMENTAL STUDY OF THE CONVERSION OF TRONA
TO INCREASE ITS REACTIVITY WITH SO 2IN DRY
INJECTION SYSTEM. [Internet] [Doctoral dissertation]. University of Cincinnati; 2007. [cited 2021 Apr 11].
Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ucin1185822434.
Council of Science Editors:
CHO KJ. A MODELING AND EXPERIMENTAL STUDY OF THE CONVERSION OF TRONA
TO INCREASE ITS REACTIVITY WITH SO 2IN DRY
INJECTION SYSTEM. [Doctoral Dissertation]. University of Cincinnati; 2007. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ucin1185822434

The Ohio State University
16.
O'Malley, Matthew J.
Li+/H+
Ion-exchanged
Li2<i62;M</i62;O3
(<i62;M</i62; = Ir, Pt) and Carbonate Melt Oxidized
IrOx
<i62;p</i62;H Sensors.
Degree: MS, Materials Science and Engineering, 2008, The Ohio State University
URL: http://rave.ohiolink.edu/etdc/view?acc_num=osu1221839212
► Analyses and characterizations of Li+/H+ ion-exchanged Li2<i62;M</i62;O3 (<i62;M</i62; = Ir, Pt) and carbonate melt oxidized IrOx <i62;p</i62;H sensors are presented and discussed. The resulting structures…
(more)
▼ Analyses and characterizations of
Li
+/H
+ ion-exchanged
Li
2<i
62;M</i
62;O
3
(<i
62;M</i
62; = Ir, Pt) and carbonate melt oxidized
IrO
x
<i
62;p</i
62;
H sensors are presented
and discussed. The resulting structures produced during
Li
+/H
+ ion-exchange
for Li
2IrO
3 and
Li
2PtO
3 powders as
well as carbonate melt oxidized Ir and Pt wires (0.25 mm dia.) are
characterized and tested using XRD, SEM, TEM, and TGA. The
protonation results in the formation of
HIr
2/3+xLi
1/3-xO
2,
of the HCrO
2 structure type. The
LiM
2 layers shift due to hydrogen bonding
between successive layers, which is absent in the
Li
2MO
3 parent
structures.
HIr
2/3+xLi
1/3-xO
2
is observed in both the powder and the melt oxidized wire, with
preferred orientation observed in the needle-like surface under
particular melt oxidation conditions. The
<i
62;p</i
62;
H responses of the
iridium oxide and platinum oxide electrodes produced using a new
synthetic method are presented. The stability and reproducibility
of the electrodes are good, with minimal inference from
Li
+ and
K
+.
Advisors/Committee Members: Verweij, Henk (Advisor).
Subjects/Keywords: Materials Science; pH sensors; metal oxides; IrO<; sub>; x<; /sub>;
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
O'Malley, M. J. (2008). Li+/H+
Ion-exchanged
Li2<i>M</i>O3
(<i>M</i> = Ir, Pt) and Carbonate Melt Oxidized
IrOx
<i>p</i>H Sensors. (Masters Thesis). The Ohio State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=osu1221839212
Chicago Manual of Style (16th Edition):
O'Malley, Matthew J. “Li+/H+
Ion-exchanged
Li2<i>M</i>O3
(<i>M</i> = Ir, Pt) and Carbonate Melt Oxidized
IrOx
<i>p</i>H Sensors.” 2008. Masters Thesis, The Ohio State University. Accessed April 11, 2021.
http://rave.ohiolink.edu/etdc/view?acc_num=osu1221839212.
MLA Handbook (7th Edition):
O'Malley, Matthew J. “Li+/H+
Ion-exchanged
Li2<i>M</i>O3
(<i>M</i> = Ir, Pt) and Carbonate Melt Oxidized
IrOx
<i>p</i>H Sensors.” 2008. Web. 11 Apr 2021.
Vancouver:
O'Malley MJ. Li+/H+
Ion-exchanged
Li2<i>M</i>O3
(<i>M</i> = Ir, Pt) and Carbonate Melt Oxidized
IrOx
<i>p</i>H Sensors. [Internet] [Masters thesis]. The Ohio State University; 2008. [cited 2021 Apr 11].
Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1221839212.
Council of Science Editors:
O'Malley MJ. Li+/H+
Ion-exchanged
Li2<i>M</i>O3
(<i>M</i> = Ir, Pt) and Carbonate Melt Oxidized
IrOx
<i>p</i>H Sensors. [Masters Thesis]. The Ohio State University; 2008. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1221839212

University of Oulu
17.
Kujala, S. (Sonja).
Dissecting genetic variation in European Scots pine (Pinus sylvestris L.):special emphasis on polygenic adaptation.
Degree: 2015, University of Oulu
URL: http://urn.fi/urn:isbn:9789526210360
► Abstract Adaptation through polygenic selection is a prominent feature in nature. Still, the genetic backgrounds of polygenic adaptations are often unknown. The challenges of resolving…
(more)
▼ Abstract
Adaptation through polygenic selection is a prominent feature in nature. Still, the genetic backgrounds of polygenic adaptations are often unknown. The challenges of resolving adaptive processes are related to selection being distributed over several loci with often small effect sizes. Also, even a low level of population substructure can obstruct the inference. Further, demographic factors in the history of the species, such as population size changes and range expansions leave a confounding footprint in the background genomic variation. In this thesis, polygenic adaptation was studied with Scots pine (Pinus sylvestris L.), a widespread ecologically and economically important conifer.
In this thesis, timing of bud set – an adaptive polygenic trait – was studied at the level of the phenotype in a common garden study, and at the genomic level by examining the sequence and allele frequency variation patterns in bud set timing related loci, with a sampling across a latitudinal transect in Europe. An association study, combining these two levels, was carried out with a new Bayesian multipopulation method. The congruence of allozyme and nucleotide level diversity was estimated, the level of neutral genetic population structure surveyed, and a demographic background model for statistical inference of selective signals redefined.
Allozyme variation seemed to correlate well with the nucleotide level variation at the between species level, but within population, at the individual allozyme coding loci, does not describe the underlying level of nucleotide variation well. Indications of recent colonization history affecting the level of differentiation between populations were seen, and the need to control for the background effects of simultaneous range expansion and adaptation shown. Lower phenotypic and additive genetic variation in timing of bud set was found in northern compared to central European populations. Signs of heterogeneity in genetic basis of this trait were also found between these areas, which could indicate different timekeeping mechanisms due to different environmental cues in the two regions. The results in this thesis are of value to the study of adaptation, but also for breeding, conservation and prediction of responses of forest trees to future climate change.
Tiivistelmä
Sopeutuminen perustuu usein polygeenisiin ominaisuuksiin. Näiden ominaisuuksien geneettiset taustat ovat silti vielä pitkälti selvittämättä. Sopeutumisominaisuuksien genetiikan selvittämistä vaikeuttaa valinnan vaikutusten jakautuminen usean, usein pienivaikutuksisen lokuksen kesken. Lisäksi vähäinenkin populaatiorakenne hankaloittaa geenien tunnistamista. Myös lajin historiassa tapahtuneet demografiset muutokset, kuten populaatiokoon vaihtelut ja kolonisaatio jättävät jälkensä genomiin. Väitöskirjassani tutkin polygeenistä sopeutumista ekologisesti ja taloudellisesti tärkeän havupuulajin, metsämännyn (Pinus sylvestris L.) avulla.
Väitöskirjassani tutkin metsämännyn silmunmuodostuksen ajoitusta sekä fenotyypin että…
Advisors/Committee Members: Savolainen, O. (Outi), Kärkkäinen, K. (Katri).
Subjects/Keywords: adaptation; allelic covariance; allozyme; association; cline; demography; genetic heterogeneity; polygenic; alleelikovarianssi; allotsyymi; assosiaatio; demografia; geneettinen heterogeenisuus; kliini; polygeeninen; sopeutuminen; F<; sub>; ST<; /sub>;
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Kujala, S. (. (2015). Dissecting genetic variation in European Scots pine (Pinus sylvestris L.):special emphasis on polygenic adaptation. (Doctoral Dissertation). University of Oulu. Retrieved from http://urn.fi/urn:isbn:9789526210360
Chicago Manual of Style (16th Edition):
Kujala, S (Sonja). “Dissecting genetic variation in European Scots pine (Pinus sylvestris L.):special emphasis on polygenic adaptation.” 2015. Doctoral Dissertation, University of Oulu. Accessed April 11, 2021.
http://urn.fi/urn:isbn:9789526210360.
MLA Handbook (7th Edition):
Kujala, S (Sonja). “Dissecting genetic variation in European Scots pine (Pinus sylvestris L.):special emphasis on polygenic adaptation.” 2015. Web. 11 Apr 2021.
Vancouver:
Kujala S(. Dissecting genetic variation in European Scots pine (Pinus sylvestris L.):special emphasis on polygenic adaptation. [Internet] [Doctoral dissertation]. University of Oulu; 2015. [cited 2021 Apr 11].
Available from: http://urn.fi/urn:isbn:9789526210360.
Council of Science Editors:
Kujala S(. Dissecting genetic variation in European Scots pine (Pinus sylvestris L.):special emphasis on polygenic adaptation. [Doctoral Dissertation]. University of Oulu; 2015. Available from: http://urn.fi/urn:isbn:9789526210360

University of Oulu
18.
Kajabi, A. W. (Abdul Wahed).
Quantitative magnetic resonance imaging of articular cartilage and meniscus during osteoarthritis progression:experimental and clinical feasibility of novel MRI methods.
Degree: 2020, University of Oulu
URL: http://urn.fi/urn:isbn:9789526226972
► Abstract Osteoarthritis (OA) is the most common degenerative joint disease, causing joint pain and functional disability in millions of people worldwide. OA is characterized by…
(more)
▼ Abstract
Osteoarthritis (OA) is the most common degenerative joint disease, causing joint pain and functional disability in millions of people worldwide. OA is characterized by the progressive loss of articular cartilage and involves the whole joint including articular cartilage, meniscus, subchondral bone and synovium. Despite great success in modern medicine, there is still no effective treatment to prevent or cure OA. This is largely due to the absence of a reliable and sensitive biomarker that is able to identify early OA and follow up the disease progression. Early diagnosis of OA can lead the way to appropriate interventions that can potentially avoid the onset or progression of OA.
Quantitative magnetic resonance imaging (qMRI) has been indirectly associated with the compositional changes and biomechanical properties of articular cartilage and meniscus. In addition to T1 and T2 relaxation time measurements, rotating frame of reference (RFR) relaxation parameters were found to be sensitive to the degenerative changes in articular cartilage and meniscus. The RFR parameters involve spin-locking irradiation, which can be modified to provide multiple relaxation methods such as continuous-wave T1ρ (CWT1ρ), adiabatic T1ρ (AdT1ρ), adiabatic T2ρ (AdT2ρ) and relaxation along a fictitious field (T<sub 62;RAFF</sub 62;). The aim of this thesis was to investigate the potential of qMRI parameters (T1, T2, CWT1ρ, AdT1ρ, AdT2ρ, TRAFF) for the assessment of structural and compositional changes in articular cartilage in a rabbit model of early OA and an equine model of post-traumatic OA. Biomechanical properties and histology were used as references. Moreover, the clinical feasibility of AdT1ρ and AdT2ρ for the evaluation of structural changes in meniscus was studied in human OA.
Compared to other qMRI parameters, T1, CWT1ρ and AdT1ρ were more sensitive to the degenerative cartilage changes in both the rabbit model of early OA and the equine model of post-traumatic OA. The parameters were highly associated with cartilage tissue properties. Furthermore, AdT1ρ and AdT2ρ detected meniscus tissue alterations associated with meniscal tear and full-thickness cartilage lesions in human OA. These findings indicate the potential of T1, CWT1ρ and AdT1ρ mapping for the evaluation of early OA changes in articular cartilage, and clinical feasibility of AdT1ρ and AdT2ρ for the assessment of meniscus.
Tiivistelmä
Nivelrikko on yleisin nivelten sairaus, joka aiheuttaa huomattavaa kipua ja liikkumisvaikeuksia miljoonille ihmisille ympäri maailmaa. Nivelrikossa nivelrusto ohenee, mutta sairaus vaikuttaa koko niveleen ja kaikkiin sen kudoksiin, nivelrustoon, nivelkierukoihin, rustonalaiseen luuhun ja nivelkapseliin. Huolimatta nykylääketieteen saavutuksista, nivelrikkoa parantavaa tai estävää hoitoa ei ole olemassa. Merkittävä syy tehokkaiden hoitojen puuttumiseen on luotettavien ja herkkien nivelrikon diagnosointimenetelmien puute. Tällaisilla menetelmillä voitaisiin tunnistaa varhaisvaiheen nivelrikko ja seurata luotettavasti sen etenemistä.…
Advisors/Committee Members: Nieminen, M. (Miika T.), Nissi, M. (Mikko J.), Casula, V. (Victor).
Subjects/Keywords: T<; sub>; RAFF<; /sub>; relaxation; T₁ relaxation; T₁ᵨ relaxation; T₂ relaxation; T₂ᵨ relaxation; articular cartilage; magnetic resonance imaging; meniscus; osteoarthritis; relaxation time; T<; sub>; RAFF<; /sub>; -relaksaatio; T₁-relaksaatio; T₁ᵨ-relaksaatio; T₂-relaksaatio; T₂ᵨ-relaksaatio; magneettikuvaus; nivelkierukka; nivelrikko; nivelrusto; relaksaatioaika
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Kajabi, A. W. (. W. (2020). Quantitative magnetic resonance imaging of articular cartilage and meniscus during osteoarthritis progression:experimental and clinical feasibility of novel MRI methods. (Doctoral Dissertation). University of Oulu. Retrieved from http://urn.fi/urn:isbn:9789526226972
Chicago Manual of Style (16th Edition):
Kajabi, A W (Abdul Wahed). “Quantitative magnetic resonance imaging of articular cartilage and meniscus during osteoarthritis progression:experimental and clinical feasibility of novel MRI methods.” 2020. Doctoral Dissertation, University of Oulu. Accessed April 11, 2021.
http://urn.fi/urn:isbn:9789526226972.
MLA Handbook (7th Edition):
Kajabi, A W (Abdul Wahed). “Quantitative magnetic resonance imaging of articular cartilage and meniscus during osteoarthritis progression:experimental and clinical feasibility of novel MRI methods.” 2020. Web. 11 Apr 2021.
Vancouver:
Kajabi AW(W. Quantitative magnetic resonance imaging of articular cartilage and meniscus during osteoarthritis progression:experimental and clinical feasibility of novel MRI methods. [Internet] [Doctoral dissertation]. University of Oulu; 2020. [cited 2021 Apr 11].
Available from: http://urn.fi/urn:isbn:9789526226972.
Council of Science Editors:
Kajabi AW(W. Quantitative magnetic resonance imaging of articular cartilage and meniscus during osteoarthritis progression:experimental and clinical feasibility of novel MRI methods. [Doctoral Dissertation]. University of Oulu; 2020. Available from: http://urn.fi/urn:isbn:9789526226972

University of Oulu
19.
Arvola, J. (Jouko).
Reducing industrial use of fossil raw materials:techno-economic assessment of relevant cases in Northern Finland.
Degree: 2011, University of Oulu
URL: http://urn.fi/urn:isbn:9789514296895
► Abstract Climate change and global warming are currently widely discussed topics, both of which potentially impact all the nations and industries. Carbon dioxide (CO2) and…
(more)
▼ Abstract
Climate change and global warming are currently widely discussed topics, both of which potentially impact all the nations and industries. Carbon dioxide (CO2) and other green house gases (GHG) are seen as a major challenge. This doctoral dissertation aims to conduct techno-economic calculations on the possibilities of reducing the industrial use of fossil raw materials in Northern Finland.
This doctoral dissertation analyses industrial CO2 emissions from five complementary perspectives: identifying significant potential industrial plants, analysing the replacement of fossil raw materials with wood biomass, considering combining different industrial sectors, the potential of biogas as industrial raw material, and estimating the economic significance of moisture in wood fuel.
The study started by analysing all the relevant 262 regional environmental permits to find the significant industrial users of synthesis gas in the studied region. Processes used by each identified case were analysed carefully to identify the most potential change possibilities. Economic calculations were conducted for these cases using true production volumes. The aim was to reach solutions that were economically sound.
Five industrial sites were identified as potential cases for replacing raw materials of synthesis gas or hydrogen with renewable alternatives. These sites include the Rautaruukki steel mill, Eka Chemicals’ hydrochloric acid plant, Kemira’s formic acid plant, Kemira’s hydrogen peroxide producing plant, and Talvivaara mining’s hydrogen plant.
The main implications of this dissertation include providing tips for industrial managers, regional decision makers and legislators. Managers of companies with high energy consumption and/or high usage of fossil raw materials in their products can benefit from the results of this dissertation the most. Managers should conduct similar calculations, as in this study, by using exact figures relevant to their processes and raw materials. This doctoral dissertation also suggests finding new solutions for replacing fossil raw materials by combining two different industrial sectors, e.g. steel and chemical industries. Regional decision makers may utilise the calculations presented in this doctoral dissertation when developing regional strategies.
Tiivistelmä
Ilmaston muutos ja globaali lämpeneminen ovat tällä hetkellä laajasti keskusteltuja aiheita, ja ne vaikuttavat kaikkiin maihin ja kaikkiin teollisuuden aloihin. Hiilidioksidi (CO2) ja muut kasvihuonekaasut nähdään suurena haasteena. Tämä väitöskirja pyrkii teknistaloudellisten laskelmien avulla tutkimaan mahdollisuuksia vähentää fossiilisten raaka-aineiden käyttöä Pohjois-Suomen alueella.
Tämä väitöskirja analysoi teollisia CO2-päästöjä viidestä toisiaan täydentävästä näkökulmasta: identifioimalla merkittäviä teollisia tuotantolaitoksia, analysoimalla fossiilisten raaka-aineiden korvaamista puubiomassalla, tutkimalla erilaisten teollisten tuotantolaitosten yhdistämistä, tutkimalla biokaasun käyttöä mahdollisena teollisuuden…
Advisors/Committee Members: Kess, P. (Pekka), Belt, P. (Pekka).
Subjects/Keywords: CO<; sub>; 2<; /sub>; emissions; biogas; biomass; climate change; formic acid; industry; renewable raw materials; synthesis gas; techno-economic calculations; CO<; sub>; 2<; /sub>; -päästöt; biokaasu; biomassa; ilmaston muutos; muurahaishappo; synteesikaasu; teknis-taloudelliset laskelmat; teollisuus; uusiutuvat raaka-aineet
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Arvola, J. (. (2011). Reducing industrial use of fossil raw materials:techno-economic assessment of relevant cases in Northern Finland. (Doctoral Dissertation). University of Oulu. Retrieved from http://urn.fi/urn:isbn:9789514296895
Chicago Manual of Style (16th Edition):
Arvola, J (Jouko). “Reducing industrial use of fossil raw materials:techno-economic assessment of relevant cases in Northern Finland.” 2011. Doctoral Dissertation, University of Oulu. Accessed April 11, 2021.
http://urn.fi/urn:isbn:9789514296895.
MLA Handbook (7th Edition):
Arvola, J (Jouko). “Reducing industrial use of fossil raw materials:techno-economic assessment of relevant cases in Northern Finland.” 2011. Web. 11 Apr 2021.
Vancouver:
Arvola J(. Reducing industrial use of fossil raw materials:techno-economic assessment of relevant cases in Northern Finland. [Internet] [Doctoral dissertation]. University of Oulu; 2011. [cited 2021 Apr 11].
Available from: http://urn.fi/urn:isbn:9789514296895.
Council of Science Editors:
Arvola J(. Reducing industrial use of fossil raw materials:techno-economic assessment of relevant cases in Northern Finland. [Doctoral Dissertation]. University of Oulu; 2011. Available from: http://urn.fi/urn:isbn:9789514296895

Ohio University
20.
Tanneer, Srinivas R.
Low temperature conversion of SO 2to
SO 3.
Degree: MS, Mechanical Engineering (Engineering), 2000, Ohio University
URL: http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1173206279
Low temperature conversion of SO
2to SO
3.
Advisors/Committee Members: Bayless, David (Advisor).
Subjects/Keywords: Engineering, Mechanical; Low temperature conversion; SO <; sub>; 2<; /sub>;
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Tanneer, S. R. (2000). Low temperature conversion of SO 2to
SO 3. (Masters Thesis). Ohio University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1173206279
Chicago Manual of Style (16th Edition):
Tanneer, Srinivas R. “Low temperature conversion of SO 2to
SO 3.” 2000. Masters Thesis, Ohio University. Accessed April 11, 2021.
http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1173206279.
MLA Handbook (7th Edition):
Tanneer, Srinivas R. “Low temperature conversion of SO 2to
SO 3.” 2000. Web. 11 Apr 2021.
Vancouver:
Tanneer SR. Low temperature conversion of SO 2to
SO 3. [Internet] [Masters thesis]. Ohio University; 2000. [cited 2021 Apr 11].
Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1173206279.
Council of Science Editors:
Tanneer SR. Low temperature conversion of SO 2to
SO 3. [Masters Thesis]. Ohio University; 2000. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1173206279

The Ohio State University
21.
Hauser, Adam J.
Unlocking the potential of half-metallic
Sr2FeMoO6 thin films
through controlled stoichiometry and double perovskite
ordering.
Degree: PhD, Physics, 2010, The Ohio State University
URL: http://rave.ohiolink.edu/etdc/view?acc_num=osu1291048729
► Sr2FeMoO6 is the most studied half-metallic double perovskite with the potential for room-temperature magnetoelectronic applications due to its Curie temperature above 400 K. Despite its…
(more)
▼ Sr
2FeMoO
6 is the most
studied half-metallic double perovskite with the potential for
room-temperature magnetoelectronic applications due to its Curie
temperature above 400 K. Despite its promise, researchers have not
yet succeeded in growing films of sufficient quality to realize its
potential. By identifying and controlling critical factors that
complicate attempts to grow thin films of
Sr
2FeMoO
6, we have
overcome the obstacles of non-stoichiometry, impurity phase
formation and poor double perovskite ordering, all of which must be
overcome to achieve half-metallicity. This dissertation reports an
in-depth investigation that addresses several critical issues about
the deposition of
Sr
2FeMoO
6 epitaxial
films using off-axis ultrahigh vacuum sputtering. High quality
Sr
2FeMoO
6 films have
been grown by off-axis ultrahigh vacuum DC magnetron sputtering,
and characterized by a wide variety of techniques. We have
discovered that sputtering gas pressure plays a dominant role in
the stoichiometry and phase formation of
Sr
2FeMoO
6 films. Film
stoichiometry was found via Rutherford backscattering spectroscopy
(RBS) and electron dispersive x-ray (EDX) spectroscopy to be both
position dependent and pressure dependent in off-axis magnetron
sputtering, changing from a Mo:Fe ratio of 1.43:1 at
P
Tot = 70 mTorr to 1.12:1 at
P
Tot = 6.7 mTorr. Our
Sr
2FeMoO
6 films
exhibit a combination of desired properties expected for its
half-metallicity. X-ray-diffractometry (XRD) shows the films to be
epitaxial, pure-phase, and well ordered by Reitveld refinement (ξ =
85.4%). High angle annular dark field scanning transmission
microscopy (HAADF STEM) was performed to give the first direct
observation of double perovskite ordering in a film, as well as a
low defect level. Magnetic characterization was done via vibrating
sample magnetometry (VSM) and superconducting quantum interference
device (SQUID) magnetometry to find a saturation magnetization of
2.6 µ
B per formula unit at T = 5 K and a
Curie temperature T
C of 380 K, roughly in
line with expectation for the film stoichiometry and ordering
level. This dissertation also reports the first known report of
distinct magnetic shape anisotropy, suggesting a high quality film
with long-range magnetic ordering. The
Sr
2FeMoO
6 films with
these attributes will provide the material base for
magnetoelectronic applications that will eventually achieve its
half-metallic potential.
Advisors/Committee Members: Yang, Fengyuan (Advisor).
Subjects/Keywords: Physics;
Sr<; sub>; 2<; /sub>; FeMoO<; sub>; 6<; /sub>;
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Chicago ·
MLA ·
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CSE |
Export
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APA (6th Edition):
Hauser, A. J. (2010). Unlocking the potential of half-metallic
Sr2FeMoO6 thin films
through controlled stoichiometry and double perovskite
ordering. (Doctoral Dissertation). The Ohio State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=osu1291048729
Chicago Manual of Style (16th Edition):
Hauser, Adam J. “Unlocking the potential of half-metallic
Sr2FeMoO6 thin films
through controlled stoichiometry and double perovskite
ordering.” 2010. Doctoral Dissertation, The Ohio State University. Accessed April 11, 2021.
http://rave.ohiolink.edu/etdc/view?acc_num=osu1291048729.
MLA Handbook (7th Edition):
Hauser, Adam J. “Unlocking the potential of half-metallic
Sr2FeMoO6 thin films
through controlled stoichiometry and double perovskite
ordering.” 2010. Web. 11 Apr 2021.
Vancouver:
Hauser AJ. Unlocking the potential of half-metallic
Sr2FeMoO6 thin films
through controlled stoichiometry and double perovskite
ordering. [Internet] [Doctoral dissertation]. The Ohio State University; 2010. [cited 2021 Apr 11].
Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1291048729.
Council of Science Editors:
Hauser AJ. Unlocking the potential of half-metallic
Sr2FeMoO6 thin films
through controlled stoichiometry and double perovskite
ordering. [Doctoral Dissertation]. The Ohio State University; 2010. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1291048729

North Carolina State University
22.
Lopatin, Sergei.
Atomic and Electronic Structure of Interfaces in Materials Systems for Future Semiconductor Devices.
Degree: PhD, Materials Science and Engineering, 2004, North Carolina State University
URL: http://www.lib.ncsu.edu/resolver/1840.16/4728
► Because of the intrinsic limits of the Si/SiO₂ based industry, there is a great trend towards the monolithic integration of new materials into already well…
(more)
▼ Because of the intrinsic limits of the Si/SiO₂ based industry, there is a great trend towards the monolithic integration of new materials into already well developed silicon technology. Having lasted for several decades now, downscaling reaches the limit, in which a critical device dimension approaches the size of one atom. At this level of the miniaturization, it is not the bulk material, but the interface between the two materials that what controls the properties of the resulting optoelectronic device. Thus, the characterization of precise atomic arrangements at different interfaces and the influence of these arrangements on the optoelectronic properties of interfaces is required. Therefore, in this study, a combination of scanning transmission electron microscopy (STEM) techniques and density functional theory calculations was used as a research tool for the characterization of interfaces. The STEM instruments used for the study were equipped with prototypes of spherical aberration correctors, enabling to achieve the highest resolution currently available both in space and energy. The combination of experimental and theoretical methods was applied to study interfaces between Si/GaAs, Si/Ge, Ge/SiO₂, Si/HfO₂ and Si/Al₂O₃. As the result of the present research, a new dislocation configuration at the Si/GaAs interface was reported for the first time. The influence of this dislocation structure on the electrical properties of the Si/GaAs interface was analyzed. Also, the transition from Si to GaAs and from Si to Ge at corresponding interfaces was described with atomic precision. For the first time, the interface between Ge and SiO₂ was shown to have 'ideal' characteristics (chemical abruptness and sharpness). This indicates the potential, both for a more successful use of Ge in high-speed devices and for advances in interface engineering to enhance performance in electronic devices. The features of Si/HfO₂ and Si/Al₂O₃ interfaces, namely the distribution and bonding of Si and Hf across the interface, and the formation of charged SiO₂ islands at the Si/Al₂O₃ interface were also studied. These results for materials systems show the significance of a basic understanding of the atomic structures of interfaces for a rapid development of new electronic devices.
Advisors/Committee Members: Gerd Duscher, Committee Chair (advisor), Mark Johnson, Committee Co-Chair (advisor), George Rozgonyi, Committee Member (advisor), Michael Rigsbee, Committee Member (advisor), Christopher Roland, Committee Member (advisor).
Subjects/Keywords: STEM; defects; characterization; simulation; Al<; sub>; 2<; /sub>; O<; sub>; 3<; /sub>;
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Lopatin, S. (2004). Atomic and Electronic Structure of Interfaces in Materials Systems for Future Semiconductor Devices. (Doctoral Dissertation). North Carolina State University. Retrieved from http://www.lib.ncsu.edu/resolver/1840.16/4728
Chicago Manual of Style (16th Edition):
Lopatin, Sergei. “Atomic and Electronic Structure of Interfaces in Materials Systems for Future Semiconductor Devices.” 2004. Doctoral Dissertation, North Carolina State University. Accessed April 11, 2021.
http://www.lib.ncsu.edu/resolver/1840.16/4728.
MLA Handbook (7th Edition):
Lopatin, Sergei. “Atomic and Electronic Structure of Interfaces in Materials Systems for Future Semiconductor Devices.” 2004. Web. 11 Apr 2021.
Vancouver:
Lopatin S. Atomic and Electronic Structure of Interfaces in Materials Systems for Future Semiconductor Devices. [Internet] [Doctoral dissertation]. North Carolina State University; 2004. [cited 2021 Apr 11].
Available from: http://www.lib.ncsu.edu/resolver/1840.16/4728.
Council of Science Editors:
Lopatin S. Atomic and Electronic Structure of Interfaces in Materials Systems for Future Semiconductor Devices. [Doctoral Dissertation]. North Carolina State University; 2004. Available from: http://www.lib.ncsu.edu/resolver/1840.16/4728

Ohio University
23.
Lee, Kun-Lin John.
A Mechanistic Moceling of CO2
Corrosion of Mild Steel in the Presence of
H2S.
Degree: PhD, Chemical Engineering (Engineering), 2004, Ohio University
URL: http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1108130173
► A mechanistic model CO2/H2S corrosion of mild steel in the presence of trace amount of H2S has been developed. The model predicts accurate solution…
(more)
▼ A mechanistic model
CO
2/H
2S corrosion of
mild steel in the presence of trace amount of
H
2S has been developed. The model predicts
accurate solution chemistry at the metal surface and it is capable
of predicting the rate of iron sulfide and iron carbonate film
growth, the change in morphology and composition of the film with
respect to space and time, as well as the resulting corrosion rate
time evolution. The model has been successfully
calibrated against data from a large number of carefully controlled
corrosion experiments under different environmental parameters in
the presence of trace amount of H
2 S, in
both film free and film forming conditions. Parametric testing of
the model has been done in order to gain insight into the effect of
various environmental parameters on mixed films formation and the
resulting corrosion rate. The trends shown in the predictions
agreed well with the general understanding of the
CO
2/H
2S corrosion
process in the presence of iron carbonate and iron sulfide
films.
Advisors/Committee Members: Nesic, Srdjan (Advisor).
Subjects/Keywords: Engineering, Chemical; CO<; sub>; 2<; /sub>; Corrosion; Mechanistic Modeling; H <; sub>; 2<; /sub>; S; Corrosion Film Growth; FeS; FeCO<; sub>; 3<; /sub>
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Lee, K. J. (2004). A Mechanistic Moceling of CO2
Corrosion of Mild Steel in the Presence of
H2S. (Doctoral Dissertation). Ohio University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1108130173
Chicago Manual of Style (16th Edition):
Lee, Kun-Lin John. “A Mechanistic Moceling of CO2
Corrosion of Mild Steel in the Presence of
H2S.” 2004. Doctoral Dissertation, Ohio University. Accessed April 11, 2021.
http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1108130173.
MLA Handbook (7th Edition):
Lee, Kun-Lin John. “A Mechanistic Moceling of CO2
Corrosion of Mild Steel in the Presence of
H2S.” 2004. Web. 11 Apr 2021.
Vancouver:
Lee KJ. A Mechanistic Moceling of CO2
Corrosion of Mild Steel in the Presence of
H2S. [Internet] [Doctoral dissertation]. Ohio University; 2004. [cited 2021 Apr 11].
Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1108130173.
Council of Science Editors:
Lee KJ. A Mechanistic Moceling of CO2
Corrosion of Mild Steel in the Presence of
H2S. [Doctoral Dissertation]. Ohio University; 2004. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1108130173

University of Oulu
24.
Antonoglou, G. (Georgios).
Vitamin D and periodontal infection.
Degree: 2015, University of Oulu
URL: http://urn.fi/urn:isbn:9789526209166
► Abstract The aim of the present study was to examine associations between serum 25-hydroxyvitamin D [25(OH)D] and 1,25-dihydroxyvitamin D[(1,25(OH)2D]—the circulating and active forms of vitamin…
(more)
▼ Abstract
The aim of the present study was to examine associations between serum 25-hydroxyvitamin D [25(OH)D] and 1,25-dihydroxyvitamin D[(1,25(OH)2D]—the circulating and active forms of vitamin D—and periodontal infection.
The data were gathered from a case-control study (63 periodontitis patients and 30 periodontally healthy controls) and an intervention study among individuals with type 1 diabetes mellitus (T1DM, 80 patients at the baseline and 65 after periodontal treatment). The periodontal data and the levels of serum 25(OH)D, 1,25(OH)2D and parathyroid hormone (PTH) were available. A third data set included periodontal data and the serum level of 25(OH)D of 1262 non-smoking and non-diabetic 30–49-year-old individuals (Health 2000 Survey). Serum 25(OH)D analyses were done using enzyme-linked immunoassay and radioimmunoassay, 1,25(O)2D analyses using enzyme-immunoassay after purification of 1,25(OH)2D by immunoextraction and PTH analyses using electrochemiluminescence immunoassay.
In the case-control study individuals with a low serum 1,25(O)2D level were more likely to belong to the periodontitis group than to the periodontally healthy group and an inverse association was observed between serum 1,25(OH)2D and severity of periodontitis at the baseline of the intervention study. Serum 1,25(OH)2D increased significantly after periodontal treatment in the T1DM patients; a finding that was considered suggestive of a causal relationship between serum 1,25(OH)2D and periodontal infection. Also, serum PTH increased after periodontal treatment; this increase, which was statistically significant (p = 0.016) in patients with moderate or severe periodontitis, may partly account for the earlier observed post-treatment increase in serum 1,25(OH)2D level. Possible explanations for low serum 1,25(OH)2D in periodontal infection may be increased degradation of 1,25(OH)2D, increased use of 1,25(OH)2D, or decreased hydroxylation of 25(OH)D
The association between serum 25(OH)D level and periodontal infection was weak, if existent. An inverse association between serum 25(OH)D and the severity of periodontal infection was observed only in the T1DM patients. Among individuals with low plaque level, those in higher 25(OH)D quintiles tended to have fewer teeth with deepened periodontal pockets than those in lower quintiles; a finding which was interpreted to mean a slight protective role of 25(OH)D against periodontal infection.
Tiivistelmä
Tutkimuksen tarkoituksena oli selvittää seerumin 25-hydroksivitamiini D:n [25(OH)D, D-vitamiinin varastomuoto] ja 1,25-dihydroksivitamiini D:n [1,25(OH)2D, D-vitamiinin aktiivinen muoto] tasojen yhteyttä parodontiumin alueen infektiosairauksiin.
Tulokset perustuvat kolmeen tutkimusasetelmaan: tapaus-verrokki-tutkimus (63 parodontiitti-potilasta, 30 verrokkia), interventio-tutkimus [80 tyypin 1 diabetes mellitus (T1DM) potilasta, joista 65 osallistui seurantaan parodontologisen hoidon jälkeen] ja poikittaistutkimus Terveys 2000 tutkimuksen osa-aineistossa (1262 30-49 vuotiasta tupakoimatonta…
Advisors/Committee Members: Tervonen, T. (Tellervo), Knuuttila, M. (Matti).
Subjects/Keywords: Vitamin D; diabetes mellitus; gingival bleeding; periodontitis; serum; D vitamiini; diabetes mellitus; ienverenvuoto; parodontiitti; 1,25(OH)<; sub>; 2<; /sub>; D; 25(OH)D
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Antonoglou, G. (. (2015). Vitamin D and periodontal infection. (Doctoral Dissertation). University of Oulu. Retrieved from http://urn.fi/urn:isbn:9789526209166
Chicago Manual of Style (16th Edition):
Antonoglou, G (Georgios). “Vitamin D and periodontal infection.” 2015. Doctoral Dissertation, University of Oulu. Accessed April 11, 2021.
http://urn.fi/urn:isbn:9789526209166.
MLA Handbook (7th Edition):
Antonoglou, G (Georgios). “Vitamin D and periodontal infection.” 2015. Web. 11 Apr 2021.
Vancouver:
Antonoglou G(. Vitamin D and periodontal infection. [Internet] [Doctoral dissertation]. University of Oulu; 2015. [cited 2021 Apr 11].
Available from: http://urn.fi/urn:isbn:9789526209166.
Council of Science Editors:
Antonoglou G(. Vitamin D and periodontal infection. [Doctoral Dissertation]. University of Oulu; 2015. Available from: http://urn.fi/urn:isbn:9789526209166

North Carolina State University
25.
Tiffany, Mark Elton.
Cobalt Requirements of Growing and Finishing Cattle Based on Performance, Vitamin B12 Status and Metabolite Concentrations.
Degree: PhD, Animal Science, 2003, North Carolina State University
URL: http://www.lib.ncsu.edu/resolver/1840.16/5327
► Experiments were conducted to determine cobalt requirements for growing and finishing beef cattle, compare the relative bioavailability of different cobalt sources, and evaluate the effects…
(more)
▼ Experiments were conducted to determine cobalt requirements for growing and finishing beef cattle, compare the relative bioavailability of different cobalt sources, and evaluate the effects of cobalt on ruminal fermentation. During experiments 1 and 2 steers were fed corn-cottonseed hull-soybean meal-based growing diets, followed by high concentrate finishing diets (diets contained approximately 0.05 mg Co/kg). Dietary treatments for experiment 1 consisted of 0, 0.05, 0.10 and 1.0 mg of supplemental Co/kg DM from CoCO3 or 0.05 and 0.10 mg of supplemental Co/kg DM from Co propionate (CoPr). Treatments were similar for experiment 2 with the exception that the Co supplemented at 1.0 mg/kg was as CoPr instead of CoCO3. Performance was not affected by cobalt source or supplementation during the growing phase of either study. However, cobalt supplementation to the finishing diet increased feed intake, average daily gain, plasma and liver vitamin B12, and plasma glucose, and decreased plasma methylmalonic acid. Supplemental cobalt increased ruminal propionate proportions during the finishing phase, and steers supplemented with CoPr had higher ruminal propionate relative to those supplemented with CoCO3 during the growing phase.
During the third study the effects of supplementing cobalt to corn or barley-based finishing diets were evaluated in steers. Supplemental cobalt increased intake, gain, and vitamin B12 and folate status of finishing steers. Steers fed barley gained less, had lower ruminal, plasma, and liver vitamin B12, lower plasma and liver folate, and lower plasma glucose relative to those fed corn-based diets.
In the final study, in vitro fermentation characteristics of ruminal microbes fed corn-based diets supplemented with cobalt were evaluated. Within three days, cobalt supplementation resulted in a substantial increase in microbial vitamin B12 production. In addition, ruminal succinate concentrations of the unsupplemented control cultures increased sharply suggesting that the vitamin B12-dependent enzymatic conversion of succinate to propionate had been affected. Based on performance, vitamin B12 status, and metabolite concentrations, 0.15 mg/kg of total dietary cobalt is required for finishing steers.
Advisors/Committee Members: Jerry W. Spears, Committee Chair (advisor), Vivek Fellner, Committee Member (advisor), Roger L. McCraw, Committee Member (advisor), Gerald B. Huntington, Committee Member (advisor).
Subjects/Keywords: cattle; cobalt; vitamin B<; sub>; 12<; /sub>
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Tiffany, M. E. (2003). Cobalt Requirements of Growing and Finishing Cattle Based on Performance, Vitamin B12 Status and Metabolite Concentrations. (Doctoral Dissertation). North Carolina State University. Retrieved from http://www.lib.ncsu.edu/resolver/1840.16/5327
Chicago Manual of Style (16th Edition):
Tiffany, Mark Elton. “Cobalt Requirements of Growing and Finishing Cattle Based on Performance, Vitamin B12 Status and Metabolite Concentrations.” 2003. Doctoral Dissertation, North Carolina State University. Accessed April 11, 2021.
http://www.lib.ncsu.edu/resolver/1840.16/5327.
MLA Handbook (7th Edition):
Tiffany, Mark Elton. “Cobalt Requirements of Growing and Finishing Cattle Based on Performance, Vitamin B12 Status and Metabolite Concentrations.” 2003. Web. 11 Apr 2021.
Vancouver:
Tiffany ME. Cobalt Requirements of Growing and Finishing Cattle Based on Performance, Vitamin B12 Status and Metabolite Concentrations. [Internet] [Doctoral dissertation]. North Carolina State University; 2003. [cited 2021 Apr 11].
Available from: http://www.lib.ncsu.edu/resolver/1840.16/5327.
Council of Science Editors:
Tiffany ME. Cobalt Requirements of Growing and Finishing Cattle Based on Performance, Vitamin B12 Status and Metabolite Concentrations. [Doctoral Dissertation]. North Carolina State University; 2003. Available from: http://www.lib.ncsu.edu/resolver/1840.16/5327

Northeastern University
26.
Mongeau, Enrico M.
Synthesis and optimization of N-heterocycles targeting mitochondrial complex I and serotonin 5-HT2A receptors.
Degree: PhD, Department of Chemistry and Chemical Biology, 2016, Northeastern University
URL: http://hdl.handle.net/2047/D20214372
► N-Heterocycles have garnered a significant amount of attention because of their broad pharmacological activity. This dissertation highlights two different projects involving the synthesis of N-heterocycles…
(more)
▼ N-Heterocycles have garnered a significant amount of attention because of their broad pharmacological activity. This dissertation highlights two different projects involving the synthesis of N-heterocycles targeting mitochondrial complex I and serotonin 5-HT2A receptors.; In the first project, studies were performed to optimize the radiosynthesis of flurpiridaz F 18, a positron emission tomography (PET) imaging agent being developed by Lantheus Medical Imaging for diagnosing coronary artery disease (CAD). Flurpiridaz F 18 targets mitochondrial complex I and offers a number of technical and practical advantages over other imaging modalities and could significantly improve the standard of care for CAD patients. The results of a Design of Experiments (DoE) and high activity studies are presented along with a broader discussion of the challenges encountered in developing a commercial PET radiotracer.; In the second project, a variety of substituted fused 1,2,4-triazolo analogs of JL13, an antipsychotic that has shown some promise as a treatment for schizophrenia, were synthesized in moderate to excellent yield using microwave heating. Once the process for synthesizing the fused 1,2,4-triazolopyridobenzoxazepines was optimized, the compounds were screened for affinity to the serotonin 5-HT2A receptor. A homology model of the 5-HT2A receptor was developed and used to to better understand key binding interactions and determine which features are important for potency. A number of additional analogs of JL13 were synthesized based on homology modeling, including a diazepine analog that resulted in 35 nM binding affinity for the 5-HT2A receptor. Structure-activity relationship data is presented for the design of more potent and safer antipsychotics for the treatment of schizophrenia.
Subjects/Keywords: 5-HT<; sub>; 2A<; /sub>;
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Mongeau, E. M. (2016). Synthesis and optimization of N-heterocycles targeting mitochondrial complex I and serotonin 5-HT2A receptors. (Doctoral Dissertation). Northeastern University. Retrieved from http://hdl.handle.net/2047/D20214372
Chicago Manual of Style (16th Edition):
Mongeau, Enrico M. “Synthesis and optimization of N-heterocycles targeting mitochondrial complex I and serotonin 5-HT2A receptors.” 2016. Doctoral Dissertation, Northeastern University. Accessed April 11, 2021.
http://hdl.handle.net/2047/D20214372.
MLA Handbook (7th Edition):
Mongeau, Enrico M. “Synthesis and optimization of N-heterocycles targeting mitochondrial complex I and serotonin 5-HT2A receptors.” 2016. Web. 11 Apr 2021.
Vancouver:
Mongeau EM. Synthesis and optimization of N-heterocycles targeting mitochondrial complex I and serotonin 5-HT2A receptors. [Internet] [Doctoral dissertation]. Northeastern University; 2016. [cited 2021 Apr 11].
Available from: http://hdl.handle.net/2047/D20214372.
Council of Science Editors:
Mongeau EM. Synthesis and optimization of N-heterocycles targeting mitochondrial complex I and serotonin 5-HT2A receptors. [Doctoral Dissertation]. Northeastern University; 2016. Available from: http://hdl.handle.net/2047/D20214372

Northeastern University
27.
Honavar, Siddhi.
Conformationally constrained analogs of Org27569 as allosteric modulators of CB1 cannabinoid receptor.
Degree: MS, School of Pharmacy, 2016, Northeastern University
URL: http://hdl.handle.net/2047/D20196974
► The Cannabinoid receptors have become the focus of research due to their importance as targets for treating a number of disorders. These receptors which are…
(more)
▼ The Cannabinoid receptors have become the focus of research due to their importance as targets for treating a number of disorders. These receptors which are a part of the G-protein coupled receptor (GPCR) superfamily are of two subtypes, CB1 receptors which are present abundantly in the brain and in small traces in the peripheral and adipose tissues and CB2 receptors which are predominantly found in the immune cells. The cannabinoid receptors were always known to show its function through the orthosteric ligand binding, but the discovery of allosteric site on the CB1 receptors, has opened up a whole new horizon for research. Three of Organon analogs displayed a noticeable allosterism at the CB1 receptors, wherein they were negative allosteric modulators of function but positive allosteric modulators of binding of orthosteric ligand at the CB1 receptor.; The SAR around these three molecules has not been explored as much, and as all three almost shared the same phamacophoric properties, Org 27569 was selected as the lead compound. Org 27569 which is a negative allosteric modulator of CB1 receptor has been found to also show hypophagic effect independent of the presence of the CB1 receptor, and hence pointing towards the possibility of it's off target binding which is a major limitation in its further development as a drug. Exploring the SAR around Org 27569 would give a better insight into the molecules requirements for allosteric modulation at CB1 receptor. The Conformational restriction approach is adopted as a tool for molecular modification and design of the analogs. This projects aims at synthesizing conformationally constrained analogs of Org 27569 as GAT700 and GAT701, to explore the receptor binding and functional selectivity of the allosteric modulators at the CB1 cannabinoid receptor.
Subjects/Keywords: cannabinoid receptors; CB<; sub>; 1<; /sub>; receptors; negative allosteric modulators; Cannabinoids; Receptors; Allosteric regulation; G proteins; Receptors; Cell receptors; Ligand binding (Biochemistry)
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Honavar, S. (2016). Conformationally constrained analogs of Org27569 as allosteric modulators of CB1 cannabinoid receptor. (Masters Thesis). Northeastern University. Retrieved from http://hdl.handle.net/2047/D20196974
Chicago Manual of Style (16th Edition):
Honavar, Siddhi. “Conformationally constrained analogs of Org27569 as allosteric modulators of CB1 cannabinoid receptor.” 2016. Masters Thesis, Northeastern University. Accessed April 11, 2021.
http://hdl.handle.net/2047/D20196974.
MLA Handbook (7th Edition):
Honavar, Siddhi. “Conformationally constrained analogs of Org27569 as allosteric modulators of CB1 cannabinoid receptor.” 2016. Web. 11 Apr 2021.
Vancouver:
Honavar S. Conformationally constrained analogs of Org27569 as allosteric modulators of CB1 cannabinoid receptor. [Internet] [Masters thesis]. Northeastern University; 2016. [cited 2021 Apr 11].
Available from: http://hdl.handle.net/2047/D20196974.
Council of Science Editors:
Honavar S. Conformationally constrained analogs of Org27569 as allosteric modulators of CB1 cannabinoid receptor. [Masters Thesis]. Northeastern University; 2016. Available from: http://hdl.handle.net/2047/D20196974

University of Illinois – Chicago
28.
Kruppe, Christopher M.
Ambient Pressure Studies of Surface Reactions over Pd/Cu Single-Atom Alloys.
Degree: 2018, University of Illinois – Chicago
URL: http://hdl.handle.net/10027/22942
► Single-atom alloys (SAA) offer a promising route towards more selective catalysts that utilize lower amounts of rare and expensive transition metals. The SAA can be…
(more)
▼ Single-atom alloys (SAA) offer a promising route towards more selective catalysts that utilize lower amounts of rare and expensive transition metals. The SAA can be formed from the low coverage deposition of a catalytically active Pt-group metal onto a less active metal. These materials exhibit unique catalytic activity compared to their monometallic counterparts, often combining the activity of the Pt-group metal and the selectivity of the metal host. Characterizing these materials under reaction conditions is of considerable interest to heterogeneous catalysis research. Active sites of heterogeneous catalysts exhibit dynamics that make them difficult to characterize, especially under reaction conditions. It is therefore relevant to probe the surface structure of the alloys in the presence of gas-phase reactants. Polarization dependent reflection absorption infrared spectroscopy (PD-RAIRS) has been utilized as a major tool to study the Pd/Cu(111) SAA surface. The presence of Pd as isolated single atoms in the Cu(111) surface is established using adsorbed CO as a probe with PD-RAIRS. The properties of the SAA surface are further characterized with Auger spectroscopy (AES), and temperature programmed desorption (TPD) of H2. In the presence of 1×10−2 Torr of CO at 300 K, significant CO coverages are only achieved when Pd is present on the surface. The surface Pd coverage is determined from CO peak areas in the PD-RAIR spectra. PD-RAIRS has been used to study C2H2 hydrogenation between 180 and 500 K on clean Cu(111) and Pd/Cu(111). At a total pressure of 1 Torr and a C2H2:H2 ratio of 1:100, annealing the SAA with less than 1% Pd to 480 K leads to complete conversion of all gas phase C2H2 to gas phase ethylene (C2H4), without any gas phase ethane (C2H6) produced. At elevated pressures, adsorbates have the ability to form bonds to surface atoms with bonds stronger than those between surface atoms, causing surfaces to restructure. This is especially true for CO at elevated pressures on Cu(111). Peaks for adsorbed CO on the corners and edges of nanoclusters formed in-situ show the ability of PD-RAIRS to examine structural changes to surfaces. The PD-RAIRS technique has been extended to study the SAA Pd/Cu(111) system for ambient pressure CO2 hydrogenation. Formate, acetate, and methoxy formation are observed when the Cu(111) surface is annealed to 550 K in the presence of 50 Torr of CO2 and 150 Torr of H2. Surface restructuring of Pd atoms on Cu(111) to become more dispersed at high temperatures is evidenced by PD-RAIR spectra of CO.
Advisors/Committee Members: Trenary, Michael (advisor), Jiang, Nan (committee member), Mankad, Neal (committee member), Snee, Preston (committee member), Kandel, Alex (committee member), Trenary, Michael (chair).
Subjects/Keywords: Single-atom alloy; selective acetylene hydrogenation; reflection absorption infrared spectroscopy; Pd/Cu(111); CO<; sub>; 2<; /sub>; hydrogenation; surface restructuring; surface science; pressure gap
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APA ·
Chicago ·
MLA ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Kruppe, C. M. (2018). Ambient Pressure Studies of Surface Reactions over Pd/Cu Single-Atom Alloys. (Thesis). University of Illinois – Chicago. Retrieved from http://hdl.handle.net/10027/22942
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Kruppe, Christopher M. “Ambient Pressure Studies of Surface Reactions over Pd/Cu Single-Atom Alloys.” 2018. Thesis, University of Illinois – Chicago. Accessed April 11, 2021.
http://hdl.handle.net/10027/22942.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Kruppe, Christopher M. “Ambient Pressure Studies of Surface Reactions over Pd/Cu Single-Atom Alloys.” 2018. Web. 11 Apr 2021.
Vancouver:
Kruppe CM. Ambient Pressure Studies of Surface Reactions over Pd/Cu Single-Atom Alloys. [Internet] [Thesis]. University of Illinois – Chicago; 2018. [cited 2021 Apr 11].
Available from: http://hdl.handle.net/10027/22942.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Kruppe CM. Ambient Pressure Studies of Surface Reactions over Pd/Cu Single-Atom Alloys. [Thesis]. University of Illinois – Chicago; 2018. Available from: http://hdl.handle.net/10027/22942
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Ohio University
29.
Li, Sujuan.
Evaluating ambient fine particulate matter source regions in
the Ohio River Valley Region.
Degree: MS, Environmental Studies (Arts and Sciences), 2003, Ohio University
URL: http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1070550479
► Source types or source regions contributing to the concentration of atmospheric fine particles measured in the Ohio New River Valley were identified using cluster…
(more)
▼ Source types or source regions contributing
to the concentration of atmospheric fine particles measured in the
Ohio New River Valley were identified using cluster back
trajectories chemical component analysis. Cluster analysis of
backward air trajectories on fine particulate matter (FPM) with
high and low concentrations was used to link factors to potential
source regions. There is a high density of power plants along the
Ohio River Valley. Some evidence suggests that secondary organic
aerosol formation is an important contributor to high PM days for
regional aerosols. Using analysis of chemical component, it is
verified that sulfate is the dominant component in the Ohio River
Valley Region. The chemical components included: Li
+ , Na
+ , NH
4 + , K
+ , Mg
+
2 , Ca
+ ², F‾, Cl‾,
NO
3 ‾, PO
4 ‾³, SO
4 ‾
2 , Si, S, Cl,
Ca, Ti, V, Mn, Fe, Cu, Zn.
Advisors/Committee Members: Crist, Kevin (Advisor).
Subjects/Keywords: Environmental Sciences; PM <; sub>; 2.5<; /sub>;
Record Details
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Li, S. (2003). Evaluating ambient fine particulate matter source regions in
the Ohio River Valley Region. (Masters Thesis). Ohio University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1070550479
Chicago Manual of Style (16th Edition):
Li, Sujuan. “Evaluating ambient fine particulate matter source regions in
the Ohio River Valley Region.” 2003. Masters Thesis, Ohio University. Accessed April 11, 2021.
http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1070550479.
MLA Handbook (7th Edition):
Li, Sujuan. “Evaluating ambient fine particulate matter source regions in
the Ohio River Valley Region.” 2003. Web. 11 Apr 2021.
Vancouver:
Li S. Evaluating ambient fine particulate matter source regions in
the Ohio River Valley Region. [Internet] [Masters thesis]. Ohio University; 2003. [cited 2021 Apr 11].
Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1070550479.
Council of Science Editors:
Li S. Evaluating ambient fine particulate matter source regions in
the Ohio River Valley Region. [Masters Thesis]. Ohio University; 2003. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1070550479

Bowling Green State University
30.
Marcusanu, Mihaela C.
The classification of l1-embeddable
fullerenes.
Degree: PhD, Mathematics/Mathematics (Pure), 2007, Bowling Green State University
URL: http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1180115123
► In Chemistry, fullerenes are molecules composed entirely of carbon atoms, in the form of a hollow sphere, ellipsoid or tube, such that each atom is…
(more)
▼ In Chemistry, fullerenes are molecules composed
entirely of carbon atoms, in the form of a hollow sphere, ellipsoid
or tube, such that each atom is bonded with three other atoms and
the atoms form pentagonal or hexagonal rings. The spherical
fullerenes motivated the related mathematical concept: a fullerene
graph is a trivalent plane graph such that all faces are pentagons
and hexagons. The goal of this research is to prove the conjecture
that there are exactly five l
1-embeddable
fullerenes. These are known to be the following fullerenes:
F
20(I
h),F
26(D
3h),
F
40(T
d),
F
44(T),
F
80(I
h) (where the
group of symmetry is given in parentheses for each fullerene). We
proceed in proving this result by looking at the minimal distance
between the pentagonal faces of the fullerene. In the cases when
the minimal distance between pentagons is greater than two we
obtain a contradiction, which leads us to conclude that in an
l
1-embeddable fullerene there must exist at
least two pentagons that either are adjacent or have a common
hexagonal neighbor. For the latter cases we show that the only
possibilities are the five fullerenes listed above.
Advisors/Committee Members: Shpectorov, Sergey (Advisor).
Subjects/Keywords: Mathematics; fullerenes; l<; sub>; 1<; /sub>; -embeddable; graph
Record Details
Similar Records
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Share »
Record Details
Similar Records
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Marcusanu, M. C. (2007). The classification of l1-embeddable
fullerenes. (Doctoral Dissertation). Bowling Green State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1180115123
Chicago Manual of Style (16th Edition):
Marcusanu, Mihaela C. “The classification of l1-embeddable
fullerenes.” 2007. Doctoral Dissertation, Bowling Green State University. Accessed April 11, 2021.
http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1180115123.
MLA Handbook (7th Edition):
Marcusanu, Mihaela C. “The classification of l1-embeddable
fullerenes.” 2007. Web. 11 Apr 2021.
Vancouver:
Marcusanu MC. The classification of l1-embeddable
fullerenes. [Internet] [Doctoral dissertation]. Bowling Green State University; 2007. [cited 2021 Apr 11].
Available from: http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1180115123.
Council of Science Editors:
Marcusanu MC. The classification of l1-embeddable
fullerenes. [Doctoral Dissertation]. Bowling Green State University; 2007. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1180115123
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