subject:(oxygen)

University of Georgia

1. Todd, Michael Jason. Instream swamps and their effect on dissolved oxygen dynamics within blackwater streams of the Georgia Coastal Plain: role of hydrology and sediment oxygen demand.

Degree: PhD, Ecology, 2008, University of Georgia

URL: http://purl.galileo.usg.edu/uga_etd/todd_michael_j_200812_phd

► Blackwater streams on the Georgian Coastal Plain are distinguished by violation of the state’s dissolved oxygen (DO) standard leading to TMDL development as required by… (more)

Subjects/Keywords: Dissolved oxygen

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APA (6^th Edition):

Todd, M. J. (2008). Instream swamps and their effect on dissolved oxygen dynamics within blackwater streams of the Georgia Coastal Plain: role of hydrology and sediment oxygen demand. (Doctoral Dissertation). University of Georgia. Retrieved from http://purl.galileo.usg.edu/uga_etd/todd_michael_j_200812_phd

Chicago Manual of Style (16^th Edition):

Todd, Michael Jason. “Instream swamps and their effect on dissolved oxygen dynamics within blackwater streams of the Georgia Coastal Plain: role of hydrology and sediment oxygen demand.” 2008. Doctoral Dissertation, University of Georgia. Accessed January 18, 2020. http://purl.galileo.usg.edu/uga_etd/todd_michael_j_200812_phd.

MLA Handbook (7^th Edition):

Todd, Michael Jason. “Instream swamps and their effect on dissolved oxygen dynamics within blackwater streams of the Georgia Coastal Plain: role of hydrology and sediment oxygen demand.” 2008. Web. 18 Jan 2020.

Vancouver:

Todd MJ. Instream swamps and their effect on dissolved oxygen dynamics within blackwater streams of the Georgia Coastal Plain: role of hydrology and sediment oxygen demand. [Internet] [Doctoral dissertation]. University of Georgia; 2008. [cited 2020 Jan 18]. Available from: http://purl.galileo.usg.edu/uga_etd/todd_michael_j_200812_phd.

Council of Science Editors:

Todd MJ. Instream swamps and their effect on dissolved oxygen dynamics within blackwater streams of the Georgia Coastal Plain: role of hydrology and sediment oxygen demand. [Doctoral Dissertation]. University of Georgia; 2008. Available from: http://purl.galileo.usg.edu/uga_etd/todd_michael_j_200812_phd

University of Georgia

2. Perez Almeida, Solandre Elvira. Micro-oxygen processing and biochemical deteriorative vectors in bananas and orange juice.

Degree: MS, Food Science, 2010, University of Georgia

URL: http://purl.galileo.usg.edu/uga_etd/perez-almeida_solandre_e_201012_ms

► The effect of micro-oxygen (MO) and atmospheric processing on polyphenol oxidase (PPO) in bananas and orange juice quality was evaluated. PPO activity decreased non-linearly with… (more)

Subjects/Keywords: micro-oxygen

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APA (6^th Edition):

Perez Almeida, S. E. (2010). Micro-oxygen processing and biochemical deteriorative vectors in bananas and orange juice. (Masters Thesis). University of Georgia. Retrieved from http://purl.galileo.usg.edu/uga_etd/perez-almeida_solandre_e_201012_ms

Chicago Manual of Style (16^th Edition):

Perez Almeida, Solandre Elvira. “Micro-oxygen processing and biochemical deteriorative vectors in bananas and orange juice.” 2010. Masters Thesis, University of Georgia. Accessed January 18, 2020. http://purl.galileo.usg.edu/uga_etd/perez-almeida_solandre_e_201012_ms.

MLA Handbook (7^th Edition):

Perez Almeida, Solandre Elvira. “Micro-oxygen processing and biochemical deteriorative vectors in bananas and orange juice.” 2010. Web. 18 Jan 2020.

Vancouver:

Perez Almeida SE. Micro-oxygen processing and biochemical deteriorative vectors in bananas and orange juice. [Internet] [Masters thesis]. University of Georgia; 2010. [cited 2020 Jan 18]. Available from: http://purl.galileo.usg.edu/uga_etd/perez-almeida_solandre_e_201012_ms.

Council of Science Editors:

Perez Almeida SE. Micro-oxygen processing and biochemical deteriorative vectors in bananas and orange juice. [Masters Thesis]. University of Georgia; 2010. Available from: http://purl.galileo.usg.edu/uga_etd/perez-almeida_solandre_e_201012_ms

University of Johannesburg

3. Axcell, Barry Clifford. Enzymatic methods of analysis using the oxygen electrode.

Degree: 2015, University of Johannesburg

URL: http://hdl.handle.net/10210/14352

►

D.Phil.

The determination of several physiologically important molecules has been carried out using an oxygen electrode and various oxidase or oxygenase enzymes. The enzymatic reactions… (more)

Subjects/Keywords: Electrodes; Oxygen

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APA (6^th Edition):

Axcell, B. C. (2015). Enzymatic methods of analysis using the oxygen electrode. (Thesis). University of Johannesburg. Retrieved from http://hdl.handle.net/10210/14352

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

Chicago Manual of Style (16^th Edition):

Axcell, Barry Clifford. “Enzymatic methods of analysis using the oxygen electrode.” 2015. Thesis, University of Johannesburg. Accessed January 18, 2020. http://hdl.handle.net/10210/14352.

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

MLA Handbook (7^th Edition):

Axcell, Barry Clifford. “Enzymatic methods of analysis using the oxygen electrode.” 2015. Web. 18 Jan 2020.

Vancouver:

Axcell BC. Enzymatic methods of analysis using the oxygen electrode. [Internet] [Thesis]. University of Johannesburg; 2015. [cited 2020 Jan 18]. Available from: http://hdl.handle.net/10210/14352.

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

Council of Science Editors:

Axcell BC. Enzymatic methods of analysis using the oxygen electrode. [Thesis]. University of Johannesburg; 2015. Available from: http://hdl.handle.net/10210/14352

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

Oregon State University

4. McCann-Grosvenor, Kristina. Eddy correlation benthic O₂ exchange rates and characterizations of sediment properties from the central Oregon shelf at 30 meters.

Degree: MS, Oceanography, 2011, Oregon State University

URL: http://hdl.handle.net/1957/19918

► Rates of benthic O₂ exchange are important measurements for determining organic matter remineralization, and can shed light on factors driving biogeochemical processes in coastal environments.… (more)

Subjects/Keywords: oxygen exchange

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APA (6^th Edition):

McCann-Grosvenor, K. (2011). Eddy correlation benthic O₂ exchange rates and characterizations of sediment properties from the central Oregon shelf at 30 meters. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/19918

Chicago Manual of Style (16^th Edition):

McCann-Grosvenor, Kristina. “Eddy correlation benthic O₂ exchange rates and characterizations of sediment properties from the central Oregon shelf at 30 meters.” 2011. Masters Thesis, Oregon State University. Accessed January 18, 2020. http://hdl.handle.net/1957/19918.

MLA Handbook (7^th Edition):

McCann-Grosvenor, Kristina. “Eddy correlation benthic O₂ exchange rates and characterizations of sediment properties from the central Oregon shelf at 30 meters.” 2011. Web. 18 Jan 2020.

Vancouver:

McCann-Grosvenor K. Eddy correlation benthic O₂ exchange rates and characterizations of sediment properties from the central Oregon shelf at 30 meters. [Internet] [Masters thesis]. Oregon State University; 2011. [cited 2020 Jan 18]. Available from: http://hdl.handle.net/1957/19918.

Council of Science Editors:

McCann-Grosvenor K. Eddy correlation benthic O₂ exchange rates and characterizations of sediment properties from the central Oregon shelf at 30 meters. [Masters Thesis]. Oregon State University; 2011. Available from: http://hdl.handle.net/1957/19918

University of British Columbia

5. Furukawa, Kiyoshi. Kinetic study of the reaction of O2(1[delta]g) with some olefins and amines .

Degree: 1971, University of British Columbia

URL: http://hdl.handle.net/2429/33725

► O2(1[delta]g) was produced in a discharge flow system and used to study the kinetics of its interaction with a number of olefins, amines and a… (more)

▼ O2(1[delta]g) was produced in a discharge flow system and used to study the kinetics of its interaction with a number of olefins, amines and a sulfide. Rate constants were determined for the removal of O2(1[delta]g) by a series of olefins at a total pressure of 1.0 torr. The values obtained were: 1.1 x 10(7) 1mol(-1) sec(-1) by cyclopentadiene; 3.5 x 10(6) 1mol(-1) sec(-1) by 2,5-dimethylfuran; 1.6 x 10(6) 1mol(-1) sec(-1) by 2,3-dimethyl-2-butene; 1.0 x 10(5) 1mol(-1) sec(-1) by 2-methyl-2-butene; 3.2 x 10(4) 1mol(-1) sec(-1) by cis-2-butene; 1.3 x 10(4) 1mol(-1) sec(-1) by trans-2-butene. Some correlation was found between the ionization energy of the olefin and the magnitude of the rate constant. For some of the olefins the rate constants were found to increase with increasing pressure. A detailed study of this trend using 2,3-dimethyl-2-butene, 2-methyl-2-butene and cis-2-butene showed that the interaction could be analyzed into the following second order and third order processes: O2(1[delta]g) + Olefin [formula omitted] hydroperoxide; O2(1[delta]g) + Olefin [formula omitted] + Olefin; O2(1[delta]g) + Olefin + [formula omitted] + Olefin. From the kinetic measurements and a determination of the ratio of peroxide formed to O2(1[delta]g) removed the following rate constants were calculated: ( Reactant ) [formula omitted]; 2,3-Dimethyl 0.98 x 10(6) 0.3 x 10(6) 1.26 x 10(10); -2-butene; 2-Methyl 1.1 x 10(4); 1 x 10(5) 1.4 x 10(9); -2-butene The study was extended to include triethylamine, diethylamine and diethylsulfide, where complications are more easily avoided since no chemical reaction is observed. For these quenching species the following rate constants were obtained: Quencher [formula omitted]; Triethyl- 1 x 10(6) 3.5 x 10(10) 2 x 10(10) 1.5 x 10(10); amine; Diethyl- 5.9 x 10(4) 2.7 x 10(8); amine; Diethylsulfide- 8.7 x 10(9). Taking into account some earlier quenching studies conducted in the condensed phase and the relative efficiencies of different third bodies, a set of elementary processes has been proposed which involves the participation of a weakly bound complex between O2(1[delta]g) and the quenchers which displays a third order quenching process.

Subjects/Keywords: Oxygen

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APA (6^th Edition):

Furukawa, K. (1971). Kinetic study of the reaction of O2(1[delta]g) with some olefins and amines . (Thesis). University of British Columbia. Retrieved from http://hdl.handle.net/2429/33725

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

Chicago Manual of Style (16^th Edition):

Furukawa, Kiyoshi. “Kinetic study of the reaction of O2(1[delta]g) with some olefins and amines .” 1971. Thesis, University of British Columbia. Accessed January 18, 2020. http://hdl.handle.net/2429/33725.

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

MLA Handbook (7^th Edition):

Furukawa, Kiyoshi. “Kinetic study of the reaction of O2(1[delta]g) with some olefins and amines .” 1971. Web. 18 Jan 2020.

Vancouver:

Furukawa K. Kinetic study of the reaction of O2(1[delta]g) with some olefins and amines . [Internet] [Thesis]. University of British Columbia; 1971. [cited 2020 Jan 18]. Available from: http://hdl.handle.net/2429/33725.

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

Council of Science Editors:

Furukawa K. Kinetic study of the reaction of O2(1[delta]g) with some olefins and amines . [Thesis]. University of British Columbia; 1971. Available from: http://hdl.handle.net/2429/33725

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

University of British Columbia

6. Ouchi, M. Dennis. Synthetic applications of dishcargegenerated singlet oxygen .

Degree: 1970, University of British Columbia

URL: http://hdl.handle.net/2429/34641

► The electric discharge method of generating, singlet-molecular oxygen was demonstrated to be a useful technique for preparative scale oxygenations of suitable organic substrates. Representative examples… (more)

Subjects/Keywords: Oxygen

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APA (6^th Edition):

Ouchi, M. D. (1970). Synthetic applications of dishcargegenerated singlet oxygen . (Thesis). University of British Columbia. Retrieved from http://hdl.handle.net/2429/34641

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

Chicago Manual of Style (16^th Edition):

Ouchi, M Dennis. “Synthetic applications of dishcargegenerated singlet oxygen .” 1970. Thesis, University of British Columbia. Accessed January 18, 2020. http://hdl.handle.net/2429/34641.

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

MLA Handbook (7^th Edition):

Ouchi, M Dennis. “Synthetic applications of dishcargegenerated singlet oxygen .” 1970. Web. 18 Jan 2020.

Vancouver:

Ouchi MD. Synthetic applications of dishcargegenerated singlet oxygen . [Internet] [Thesis]. University of British Columbia; 1970. [cited 2020 Jan 18]. Available from: http://hdl.handle.net/2429/34641.

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

Council of Science Editors:

Ouchi MD. Synthetic applications of dishcargegenerated singlet oxygen . [Thesis]. University of British Columbia; 1970. Available from: http://hdl.handle.net/2429/34641

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

Oregon State University

7. Healy, Michael Lyon. Coulometric determination of dissolved oxygen.

Degree: PhD, Chemistry, 1965, Oregon State University

URL: http://hdl.handle.net/1957/47985

► Many different aspects of the determination of dissolved oxygen by controlled potential coulometry were investigated to find a means of measuring the oxygen content of… (more)

▼ Many different aspects of the determination of dissolved oxygen by controlled potential coulometry were investigated to find a means of measuring the oxygen content of natural waters. Rapid sampling techniques, simplicity of operation, and rugged structural features were stressed. Cells were designed to operate by either internal electrolysis or external potential control. A type of steel flow cell of optimum geometry was designed, and measured oxygen in flow streams with 3% accuracy. Periodic sampling was found to be superior to flow analysis, and the flow cell operated by a method of periodic entrapment of sample yielded the most promising results. 0.2% reproducibility was obtained for samples which contained one to five ppm dissolved oxygen, and 1% reproducibility for samples below one ppm. The error in the analysis could not be distinguished from the two percent error in the Winkler titration which was used to determine the standards. Other sample entrapment cells of a different design and with different cathode materials were studied. Two vibrating electrode cells were investigated and found to give no better results than those cells which permit oxygen reduction in quiet solutions. Mercury, gold, platinum, nichrome, stainless steel, and brass were tested as cathode materials. The polarographic and coulometric behavior of dissolved oxygen reduced in cathodes of these materials is described. The investigation of mercury as a cathode material led to the development of an empirical method that relies on the rapid reduction of oxygen on a mercury-electrolyte interface. In one case, 0.5% reproducibility was obtained for individual samples determined at the rate of one every 15 seconds. The utility of these devices, although the current efficiency is low, is pointed out as their potential use as flow stream monitors. The entire work yielded information based on new approaches for the development of ocean-going devices which will measure dissolved oxygen concentrations by controlled potential coulometry to a better degree of accuracy than the existing methods. Design theory and cell construction is presented for devices that operate where rapidity of successive determinations is more important than absolute accuracy. Advisors/Committee Members: Freund, Harry (advisor).

Subjects/Keywords: Oxygen

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APA (6^th Edition):

Healy, M. L. (1965). Coulometric determination of dissolved oxygen. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/47985

Chicago Manual of Style (16^th Edition):

Healy, Michael Lyon. “Coulometric determination of dissolved oxygen.” 1965. Doctoral Dissertation, Oregon State University. Accessed January 18, 2020. http://hdl.handle.net/1957/47985.

MLA Handbook (7^th Edition):

Healy, Michael Lyon. “Coulometric determination of dissolved oxygen.” 1965. Web. 18 Jan 2020.

Vancouver:

Healy ML. Coulometric determination of dissolved oxygen. [Internet] [Doctoral dissertation]. Oregon State University; 1965. [cited 2020 Jan 18]. Available from: http://hdl.handle.net/1957/47985.

Council of Science Editors:

Healy ML. Coulometric determination of dissolved oxygen. [Doctoral Dissertation]. Oregon State University; 1965. Available from: http://hdl.handle.net/1957/47985

Oregon State University

8. Hogan, Lewis Gregory. The recombination of atomic oxygen.

Degree: PhD, Physics, 1973, Oregon State University

URL: http://hdl.handle.net/1957/44705

► The three-body heterogeneous and wall recombination coefficients for atomic oxygen were measured using an electron paramagnetic resonance spectrometer to monitor the time dependence of the… (more)

Subjects/Keywords: Oxygen

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APA (6^th Edition):

Hogan, L. G. (1973). The recombination of atomic oxygen. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/44705

Chicago Manual of Style (16^th Edition):

Hogan, Lewis Gregory. “The recombination of atomic oxygen.” 1973. Doctoral Dissertation, Oregon State University. Accessed January 18, 2020. http://hdl.handle.net/1957/44705.

MLA Handbook (7^th Edition):

Hogan, Lewis Gregory. “The recombination of atomic oxygen.” 1973. Web. 18 Jan 2020.

Vancouver:

Hogan LG. The recombination of atomic oxygen. [Internet] [Doctoral dissertation]. Oregon State University; 1973. [cited 2020 Jan 18]. Available from: http://hdl.handle.net/1957/44705.

Council of Science Editors:

Hogan LG. The recombination of atomic oxygen. [Doctoral Dissertation]. Oregon State University; 1973. Available from: http://hdl.handle.net/1957/44705

University of British Columbia

9. Lotzkar, Harry. The heat of adsorption of oxygen on charcoal .

Degree: 1935, University of British Columbia

URL: http://hdl.handle.net/2429/38493

[No abstract available]

Subjects/Keywords: Oxygen

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APA (6^th Edition):

Lotzkar, H. (1935). The heat of adsorption of oxygen on charcoal . (Thesis). University of British Columbia. Retrieved from http://hdl.handle.net/2429/38493

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

Chicago Manual of Style (16^th Edition):

Lotzkar, Harry. “The heat of adsorption of oxygen on charcoal .” 1935. Thesis, University of British Columbia. Accessed January 18, 2020. http://hdl.handle.net/2429/38493.

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

MLA Handbook (7^th Edition):

Lotzkar, Harry. “The heat of adsorption of oxygen on charcoal .” 1935. Web. 18 Jan 2020.

Vancouver:

Lotzkar H. The heat of adsorption of oxygen on charcoal . [Internet] [Thesis]. University of British Columbia; 1935. [cited 2020 Jan 18]. Available from: http://hdl.handle.net/2429/38493.

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

Council of Science Editors:

Lotzkar H. The heat of adsorption of oxygen on charcoal . [Thesis]. University of British Columbia; 1935. Available from: http://hdl.handle.net/2429/38493

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

University of Newcastle

10. Tiew, Terence Wei Yang. The influence of peroxisomes on reactive oxygen species regulation and regeneration induction in plants.

Degree: PhD, 2015, University of Newcastle

URL: http://hdl.handle.net/1959.13/1309581

►

Research Doctorate - Doctor of Philosophy (PhD)

Plants being sessile organisms cannot escape abiotic and biotic stresses and therefore have to adapt to the environment… (more)

▼

Research Doctorate - Doctor of Philosophy (PhD)

Plants being sessile organisms cannot escape abiotic and biotic stresses and therefore have to adapt to the environment in order to enhance survival. In certain plant species, initiation of somatic embryogenesis is a form of morphogenic adaptation in response to stress. In somatic embryogenesis, somatic cells acquire totipotency after dedifferentiation and entry into the cell cycle. The highly regenerable genotype of <i>Medicago truncatula</i> (Jemalong 2HA; 2HA), provides an invaluable experimental system for investigating the processes involved in somatic embryogenesis. Somatic embryogenesis <i>in vitro</i> requires hormones and a stress signal. As a first step in the induction of somatic embryogenesis in the Medicago system, excision of 2HA leaf explants notably causes an oxidative burst induced from the mechanical wounding, and the extracellular reactive oxygen species (ROS) produced is a necessary trigger for regeneration. However, ROS are highly reactive and toxic, excessive amounts can cause damage to biomolecules and eventually leading to premature cell death. Successful regeneration therefore entails the ability of a plant cell to also maintain an optimal subcellular redox environment. Plants as part of their normal aerobic metabolism can produce ROS, but have evolved sophisticated mechanisms to scavenge ROS. In this context, peroxisomes are one of the major sources of ROS produced within a plant cell as part of the photorespiration pathway through glycolate oxidase; but are also involved in various metabolic processes including β-oxidation of fatty acids and biosynthesis of several plant hormones. Additionally, when first discovered, peroxisomes were noted to contain an arsenal of redox antioxidant machinery including site specific catalase. This prompted a consideration of the regulation of peroxisome dynamics during culture of Arabidopsis protoplasts, in the context of their antioxidant capacity; and how these dynamics during dedifferentiation and cell division induction compared to mitochondria and plastids previously investigated in this laboratory. In this thesis, the role of peroxisome dynamics in achieving redox homeostasis, whilst facilitating the acquisition of plant cellular totipotency through dedifferentiation and re-entry into the cell cycle was examined. This encompasses the early stages of somatic embryogenesis initiation. It was demonstrated that explant wounding in Medicago, induces a multiphasic oxidative response predominantly from the plant NADPH oxidase (RBOH <i>protein</i>) during <i>in vitro</i> culture for somatic embryogenesis. This mechanistic wound-induced oxidative burst was also shown during Arabidopsis protoplast isolation. The culture of Arabidopsis protoplasts induces another oxidative burst, and during culture, the role of mitochondria-derived ROS in the initiation of cellular dedifferentiation and cell division has to be considered. Using peroxisome-targeted fluorescent proteins, it was shown that during Arabidopsis…

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

Subjects/Keywords: peroxisomes; oxygen; reactive oxygen species; plants

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APA (6^th Edition):

Tiew, T. W. Y. (2015). The influence of peroxisomes on reactive oxygen species regulation and regeneration induction in plants. (Doctoral Dissertation). University of Newcastle. Retrieved from http://hdl.handle.net/1959.13/1309581

Chicago Manual of Style (16^th Edition):

Tiew, Terence Wei Yang. “The influence of peroxisomes on reactive oxygen species regulation and regeneration induction in plants.” 2015. Doctoral Dissertation, University of Newcastle. Accessed January 18, 2020. http://hdl.handle.net/1959.13/1309581.

MLA Handbook (7^th Edition):

Tiew, Terence Wei Yang. “The influence of peroxisomes on reactive oxygen species regulation and regeneration induction in plants.” 2015. Web. 18 Jan 2020.

Vancouver:

Tiew TWY. The influence of peroxisomes on reactive oxygen species regulation and regeneration induction in plants. [Internet] [Doctoral dissertation]. University of Newcastle; 2015. [cited 2020 Jan 18]. Available from: http://hdl.handle.net/1959.13/1309581.

Council of Science Editors:

Tiew TWY. The influence of peroxisomes on reactive oxygen species regulation and regeneration induction in plants. [Doctoral Dissertation]. University of Newcastle; 2015. Available from: http://hdl.handle.net/1959.13/1309581

Virginia Tech

11. Cashman, Lauren E. Oxygen Therapy in Malawi: Revising Oxygen Concentrator Filtration and Use for Improved function in Low-Resource Hospitals.

Degree: MS, Mechanical Engineering, 2017, Virginia Tech

URL: http://hdl.handle.net/10919/79132

► The quality of healthcare in low-resource countries is often limited by the environment, lack of funds, staff availability, electricity availability, and more. In the words… (more)

▼ The quality of healthcare in low-resource countries is often limited by the environment, lack of funds, staff availability, electricity availability, and more. In the words of a Malawian physician, medicine can feel like improvisation, wherein one must make due with available resources rather than desired resources. One prevalent problem among low-resource hospitals is the functionality and longevity of medical equipment. A large percentage of all medical equipment in Malawian hospitals is donated, resulting in a wide spectrum of models, necessary spare parts, and functionality. These machines can break quickly due to heavy use prior to donation, missing user and maintenance manuals, and a lack of replacement parts. Thus, finding necessary life-saving equipment in Malawian hospital wards can be a challenge. One such piece of equipment is the oxygen concentrator. This device fills many roles in low-resource hospitals, but in many Malawian hospitals it is the most frequently malfunctioning piece of equipment. A survey was used in hospitals in Malawi’s Central and Southern Regions to collect information on why oxygen concentrators malfunction. Common reported causes of malfunction were oxygen concentrators overheating due to clogged exhaust vents, and the unavailability of necessary disposable filters. A stand made from locally-available materials was developed to improve oxygen concentrator ventilation. Replaceable filter alternatives were researched, designed, constructed, and tested, made from housing materials and filter materials available in Malawi or continental Africa. A primary source of difficulty for low-resource hospitals is dependence on more developed nations for supplies and aid. This work suggests that designing materials from locally-available materials can lessen this dependency and make necessary medical materials more accessible. Collaboration with material suppliers and engineers in Malawi can provide sustainable designs and systems to help hospitals access the supplies they need to service oxygen concentrators and other equipment. Advisors/Committee Members: Kochersberger, Kevin Bruce (committeechair), Muelenaer, Andre A. (committee member), Kornhauser, Alan A. (committee member).

Subjects/Keywords: Filtration; Respiration; Oxygen Therapy; Oxygen Concentrator; Malawi

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APA (6^th Edition):

Cashman, L. E. (2017). Oxygen Therapy in Malawi: Revising Oxygen Concentrator Filtration and Use for Improved function in Low-Resource Hospitals. (Masters Thesis). Virginia Tech. Retrieved from http://hdl.handle.net/10919/79132

Chicago Manual of Style (16^th Edition):

Cashman, Lauren E. “Oxygen Therapy in Malawi: Revising Oxygen Concentrator Filtration and Use for Improved function in Low-Resource Hospitals.” 2017. Masters Thesis, Virginia Tech. Accessed January 18, 2020. http://hdl.handle.net/10919/79132.

MLA Handbook (7^th Edition):

Cashman, Lauren E. “Oxygen Therapy in Malawi: Revising Oxygen Concentrator Filtration and Use for Improved function in Low-Resource Hospitals.” 2017. Web. 18 Jan 2020.

Vancouver:

Cashman LE. Oxygen Therapy in Malawi: Revising Oxygen Concentrator Filtration and Use for Improved function in Low-Resource Hospitals. [Internet] [Masters thesis]. Virginia Tech; 2017. [cited 2020 Jan 18]. Available from: http://hdl.handle.net/10919/79132.

Council of Science Editors:

Cashman LE. Oxygen Therapy in Malawi: Revising Oxygen Concentrator Filtration and Use for Improved function in Low-Resource Hospitals. [Masters Thesis]. Virginia Tech; 2017. Available from: http://hdl.handle.net/10919/79132

University of Hawaii – Manoa

12. Hurd, Kathryn Lynn. HetP and its three homologues : regions necessary for function of HetP and requirement of homologues for fixation of nitrogen in the filamentous cyanobacterium Anabaena sp. strain PCC 7120.

Degree: 2016, University of Hawaii – Manoa

URL: http://hdl.handle.net/10125/100599

►

M.S. University of Hawaii at Manoa 2013.

The filamentous cyanobacterium Anabaena sp. strain PCC 7120 is a Gram-negative prokaryote that performs oxygenic photosynthesis. In addition… (more)

Subjects/Keywords: oxygen-evolving photosynthesis

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APA (6^th Edition):

Hurd, K. L. (2016). HetP and its three homologues : regions necessary for function of HetP and requirement of homologues for fixation of nitrogen in the filamentous cyanobacterium Anabaena sp. strain PCC 7120. (Thesis). University of Hawaii – Manoa. Retrieved from http://hdl.handle.net/10125/100599

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

Chicago Manual of Style (16^th Edition):

Hurd, Kathryn Lynn. “HetP and its three homologues : regions necessary for function of HetP and requirement of homologues for fixation of nitrogen in the filamentous cyanobacterium Anabaena sp. strain PCC 7120.” 2016. Thesis, University of Hawaii – Manoa. Accessed January 18, 2020. http://hdl.handle.net/10125/100599.

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

MLA Handbook (7^th Edition):

Hurd, Kathryn Lynn. “HetP and its three homologues : regions necessary for function of HetP and requirement of homologues for fixation of nitrogen in the filamentous cyanobacterium Anabaena sp. strain PCC 7120.” 2016. Web. 18 Jan 2020.

Vancouver:

Hurd KL. HetP and its three homologues : regions necessary for function of HetP and requirement of homologues for fixation of nitrogen in the filamentous cyanobacterium Anabaena sp. strain PCC 7120. [Internet] [Thesis]. University of Hawaii – Manoa; 2016. [cited 2020 Jan 18]. Available from: http://hdl.handle.net/10125/100599.

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

Council of Science Editors:

Hurd KL. HetP and its three homologues : regions necessary for function of HetP and requirement of homologues for fixation of nitrogen in the filamentous cyanobacterium Anabaena sp. strain PCC 7120. [Thesis]. University of Hawaii – Manoa; 2016. Available from: http://hdl.handle.net/10125/100599

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

Anna University

13. Premkartikkumar SR. Experimental investigation on performance emission and combustion characteristics of a di diesel engine operating with oxygen enriched hydrogen gas;.

Degree: Experimental investigation on performance emission and combustion characteristics of a di diesel engine operating with oxygen enriched hydrogen gas, 2015, Anna University

URL: http://shodhganga.inflibnet.ac.in/handle/10603/33168

►

The objective of this research was to investigate the performance emission and combustion characteristics of oxygen enriched hydrogen gas as a fuel for direct injection… (more)

Subjects/Keywords: oxygen enriched hydrogen

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APA (6^th Edition):

SR, P. (2015). Experimental investigation on performance emission and combustion characteristics of a di diesel engine operating with oxygen enriched hydrogen gas;. (Thesis). Anna University. Retrieved from http://shodhganga.inflibnet.ac.in/handle/10603/33168

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

Chicago Manual of Style (16^th Edition):

SR, Premkartikkumar. “Experimental investigation on performance emission and combustion characteristics of a di diesel engine operating with oxygen enriched hydrogen gas;.” 2015. Thesis, Anna University. Accessed January 18, 2020. http://shodhganga.inflibnet.ac.in/handle/10603/33168.

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

MLA Handbook (7^th Edition):

SR, Premkartikkumar. “Experimental investigation on performance emission and combustion characteristics of a di diesel engine operating with oxygen enriched hydrogen gas;.” 2015. Web. 18 Jan 2020.

Vancouver:

SR P. Experimental investigation on performance emission and combustion characteristics of a di diesel engine operating with oxygen enriched hydrogen gas;. [Internet] [Thesis]. Anna University; 2015. [cited 2020 Jan 18]. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/33168.

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

Council of Science Editors:

SR P. Experimental investigation on performance emission and combustion characteristics of a di diesel engine operating with oxygen enriched hydrogen gas;. [Thesis]. Anna University; 2015. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/33168

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

14. Elrod, Lee Taylor. Molybdenum Oxotransferase Active Site Models and Their Oxygen Atom Transfer Reactivity.

Degree: Department of Chemistry, 2018, Brown University

URL: https://repository.library.brown.edu/studio/item/bdr:792663/

► Remediation of ground water contamination associated with industrialization will continue to be a challenge in the 21st century. As the world’s population grows, it’s use… (more)

Subjects/Keywords: Oxygen atom transfer

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APA (6^th Edition):

Elrod, L. T. (2018). Molybdenum Oxotransferase Active Site Models and Their Oxygen Atom Transfer Reactivity. (Thesis). Brown University. Retrieved from https://repository.library.brown.edu/studio/item/bdr:792663/

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

Chicago Manual of Style (16^th Edition):

Elrod, Lee Taylor. “Molybdenum Oxotransferase Active Site Models and Their Oxygen Atom Transfer Reactivity.” 2018. Thesis, Brown University. Accessed January 18, 2020. https://repository.library.brown.edu/studio/item/bdr:792663/.

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

MLA Handbook (7^th Edition):

Elrod, Lee Taylor. “Molybdenum Oxotransferase Active Site Models and Their Oxygen Atom Transfer Reactivity.” 2018. Web. 18 Jan 2020.

Vancouver:

Elrod LT. Molybdenum Oxotransferase Active Site Models and Their Oxygen Atom Transfer Reactivity. [Internet] [Thesis]. Brown University; 2018. [cited 2020 Jan 18]. Available from: https://repository.library.brown.edu/studio/item/bdr:792663/.

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

Council of Science Editors:

Elrod LT. Molybdenum Oxotransferase Active Site Models and Their Oxygen Atom Transfer Reactivity. [Thesis]. Brown University; 2018. Available from: https://repository.library.brown.edu/studio/item/bdr:792663/

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

15. Li, Dongguo. Platinum Based Electrocatalysts for Proton Exchange Membrane Fuel Cells.

Degree: PhD, Chemistry, 2014, Brown University

URL: https://repository.library.brown.edu/studio/item/bdr:386251/

► The rapid advance proton exchange membrane fuel cell technology demand highly efficient platinum based nanoscale electrocatalysts for fuel cell reactions. In this dissertation, monodisperse nanoparticles… (more)

Subjects/Keywords: oxygen reduction reaction

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APA (6^th Edition):

Li, D. (2014). Platinum Based Electrocatalysts for Proton Exchange Membrane Fuel Cells. (Doctoral Dissertation). Brown University. Retrieved from https://repository.library.brown.edu/studio/item/bdr:386251/

Chicago Manual of Style (16^th Edition):

Li, Dongguo. “Platinum Based Electrocatalysts for Proton Exchange Membrane Fuel Cells.” 2014. Doctoral Dissertation, Brown University. Accessed January 18, 2020. https://repository.library.brown.edu/studio/item/bdr:386251/.

MLA Handbook (7^th Edition):

Li, Dongguo. “Platinum Based Electrocatalysts for Proton Exchange Membrane Fuel Cells.” 2014. Web. 18 Jan 2020.

Vancouver:

Li D. Platinum Based Electrocatalysts for Proton Exchange Membrane Fuel Cells. [Internet] [Doctoral dissertation]. Brown University; 2014. [cited 2020 Jan 18]. Available from: https://repository.library.brown.edu/studio/item/bdr:386251/.

Council of Science Editors:

Li D. Platinum Based Electrocatalysts for Proton Exchange Membrane Fuel Cells. [Doctoral Dissertation]. Brown University; 2014. Available from: https://repository.library.brown.edu/studio/item/bdr:386251/

Montana State University

16. Hall, Jacqueline Paige. Development of an economic, mobile, dual oxygen and pH sensor.

Degree: Graduate School, 2016, Montana State University

URL: https://scholarworks.montana.edu/xmlui/handle/1/10057

► Optical pH and oxygen sensors have various advantages over Clark amperometric oxygen electrodes, including portability and utility in aqueous environments unsuitable for the Clark electrode.… (more)

Subjects/Keywords: Oxygen.; Detectors.; Design.

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APA (6^th Edition):

Hall, J. P. (2016). Development of an economic, mobile, dual oxygen and pH sensor. (Thesis). Montana State University. Retrieved from https://scholarworks.montana.edu/xmlui/handle/1/10057

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

Chicago Manual of Style (16^th Edition):

Hall, Jacqueline Paige. “Development of an economic, mobile, dual oxygen and pH sensor.” 2016. Thesis, Montana State University. Accessed January 18, 2020. https://scholarworks.montana.edu/xmlui/handle/1/10057.

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

MLA Handbook (7^th Edition):

Hall, Jacqueline Paige. “Development of an economic, mobile, dual oxygen and pH sensor.” 2016. Web. 18 Jan 2020.

Vancouver:

Hall JP. Development of an economic, mobile, dual oxygen and pH sensor. [Internet] [Thesis]. Montana State University; 2016. [cited 2020 Jan 18]. Available from: https://scholarworks.montana.edu/xmlui/handle/1/10057.

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

Council of Science Editors:

Hall JP. Development of an economic, mobile, dual oxygen and pH sensor. [Thesis]. Montana State University; 2016. Available from: https://scholarworks.montana.edu/xmlui/handle/1/10057

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

University of Notre Dame

17. Beatrice Blanc. Relationship between active site structure and chemistry in dioxygen producing chlorite dismutases</h1>.

Degree: PhD, Chemistry and Biochemistry, 2012, University of Notre Dame

URL: https://curate.nd.edu/show/3j333199s86

► This thesis focuses on understanding the relationship between the active site structure and function in the heme-containing enzyme chlorite dismutase from Dechloromonas aromatica (DaCld).… (more)

▼ This thesis focuses on understanding the relationship between the active site structure and function in the heme-containing enzyme chlorite dismutase from Dechloromonas aromatica (DaCld). DaCld decomposes chlorite (ClO2-) into chloride (Cl-) and oxygen (O2) via an efficient reaction that is nearly diffusion controlled. Due to the existence of advanced structure-activity models for heme peroxidases and the similarity of the behavior of peroxide and chlorite as substrates, we initiated our structure-function studies in 2008 by analogy to these enzymes. In 2009, the crystal structures of DaCld and a second Cld were solved for the first time, allowing us to consider the influence of structural elements directly. We investigated the role of an arginine residue (Arg183) in the pocket above the heme plane in catalysis using diverse biochemistry, molecular biology and spectroscopy techniques (notably stopped-flow, resonance Raman, UV/Visible). We mutated this residue, which has an alkylguanidinium side chain, to lysine (primary amine), glutamine (alkylamide), and alanine (methyl), and studied both the native (wild type, WT) and modified forms. We had found earlier that the rate of catalysis and several spectroscopic properties of the WT protein are pH-dependent. We proposed that this was either due to acid/base chemistry at Arg183 (analogous to an active-site His in peroxidase), or to the mobility of its side chain due to pH-dependent hydrogen bond formation/cleavage. The latter model was most consistent with the available data; particularly resonance Raman (rR) data for the ferrous carbonyl form of WT and mutant proteins. By reacting the protein with peracids, we were able to characterize Compound I (oxoferryl porphyrin radical) which decays to a Compound ES-like species where the porphyrin radical migrates to a nearby tryptophan residue. We mutated three conserved tryptophan residues in DaCld’s active site in order to attempt to block off radical migration and stabilize Compound I. The ability of DaCld to produce such a great amount of oxygen can be used for other needs, for example in the prevention of tissue necrosis. DaCld offers the possibility of production of O2 in situ in a regulated fashion and without generation of toxic byproducts. Advisors/Committee Members: W. Robert Scheidt, Committee Member, Jennifer L. Dubois, Committee Member, Masaru K. Kuno, Committee Member, Kenneth W. Henderson, Committee Member.

Subjects/Keywords: Heme enzyme; Oxygen

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APA (6^th Edition):

Blanc, B. (2012). Relationship between active site structure and chemistry in dioxygen producing chlorite dismutases</h1>. (Doctoral Dissertation). University of Notre Dame. Retrieved from https://curate.nd.edu/show/3j333199s86

Chicago Manual of Style (16^th Edition):

Blanc, Beatrice. “Relationship between active site structure and chemistry in dioxygen producing chlorite dismutases</h1>.” 2012. Doctoral Dissertation, University of Notre Dame. Accessed January 18, 2020. https://curate.nd.edu/show/3j333199s86.

MLA Handbook (7^th Edition):

Blanc, Beatrice. “Relationship between active site structure and chemistry in dioxygen producing chlorite dismutases</h1>.” 2012. Web. 18 Jan 2020.

Vancouver:

Blanc B. Relationship between active site structure and chemistry in dioxygen producing chlorite dismutases</h1>. [Internet] [Doctoral dissertation]. University of Notre Dame; 2012. [cited 2020 Jan 18]. Available from: https://curate.nd.edu/show/3j333199s86.

Council of Science Editors:

Blanc B. Relationship between active site structure and chemistry in dioxygen producing chlorite dismutases</h1>. [Doctoral Dissertation]. University of Notre Dame; 2012. Available from: https://curate.nd.edu/show/3j333199s86

University of Victoria

18. Drnec, Jakub. Surface science of Cs, CsO and CsI ionic layers on Pt(111).

Degree: Dept. of Chemistry, 2013, University of Victoria

URL: http://hdl.handle.net/1828/5001

► Cesium adsorption on Pt(111) and its coadsorption with iodine and oxygen is studied in this dissertation. The work function during Cs dosing first decreases and… (more)

▼ Cesium adsorption on Pt(111) and its coadsorption with iodine and oxygen is studied in this dissertation. The work function during Cs dosing first decreases and at Δφ≈ 3 eV ( Cs = 0:15) the surface undergoes surface transition between a disordered anomalous state (Pt(111)(anom)-Cs) and islands of a Pt(111)(2 x 2)-Cs causing a change in the slope of the work function curve. The work function curve reaches minimum at -5:5 eV where the surface is fully covered with the Pt(111)(2 2)-Cs structure (θCs = 0:25). Further Cs dosing results in a work function increase and the surface undergoes a phase transition to Pt(111)(p3 p3)-Cs. The Cs saturated structure (Pt(111)(ihcp)-Cs) has an hexagonal symmetry with the unit cell vector aligned with the h1; 0i direction of the substrate. Cs in the anomalous state desorbs from the surface in a high-temperature TDS peak (> 1000 K). When the lock-in TDS detection technique is used, this peak appears to be phase shifted by 180 when compared to the desorption peak of normally adsorbed Cs ( Cs > 0:15) . This phase shift is a consequence of a positive charge of desorbing Cs. The TDS and work function behavior were explained by a Monte Carlo desorption model incorporating di¤erent desorption behavior for all four observed adsorption phases. When O2 is dosed on a Pt(111)-Cs surface, the maximum coverage of oxygen bonded to the surface is significantly increased in comparison to Pt(111). Anomalously adsorbed Cs activates the O2 bond but does not interact strongly with coadsorbed O. However, when O2 is dosed on Pt(111)(ihcp)-Cs, the oxygen first adsorbs to a sub-layer adsorption site and strongly interacts with Cs. The oxygen in this state is responsible for thermal stabilization of coadsorbed Cs. When iodine is coadsorbed on a Pt(111)-Cs surface, it also strongly interacts with and thermally stabilizes Cs. During the desorption of Cs,I layers, some Cs and I desorb together in the form of a CsxIy cluster. The surface structures observed by LEED during the coadsorption of Cs and I are in good agreement with atomic arrangements predicted for ionic layers. The validity of this conclusion and the general behavior of ionic layers was checked by an electrostatic energy calculation for various structures. Advisors/Committee Members: Harrington, David A. (supervisor).

Subjects/Keywords: Cesium; Oxygen; Iodine

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APA (6^th Edition):

Drnec, J. (2013). Surface science of Cs, CsO and CsI ionic layers on Pt(111). (Thesis). University of Victoria. Retrieved from http://hdl.handle.net/1828/5001

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

Chicago Manual of Style (16^th Edition):

Drnec, Jakub. “Surface science of Cs, CsO and CsI ionic layers on Pt(111).” 2013. Thesis, University of Victoria. Accessed January 18, 2020. http://hdl.handle.net/1828/5001.

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

MLA Handbook (7^th Edition):

Drnec, Jakub. “Surface science of Cs, CsO and CsI ionic layers on Pt(111).” 2013. Web. 18 Jan 2020.

Vancouver:

Drnec J. Surface science of Cs, CsO and CsI ionic layers on Pt(111). [Internet] [Thesis]. University of Victoria; 2013. [cited 2020 Jan 18]. Available from: http://hdl.handle.net/1828/5001.

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

Council of Science Editors:

Drnec J. Surface science of Cs, CsO and CsI ionic layers on Pt(111). [Thesis]. University of Victoria; 2013. Available from: http://hdl.handle.net/1828/5001

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

Mississippi State University

19. Coley, Lorenzo James. INITIAL DESIGN OF A METHANE AND OXYGEN ROCKET ENGINE.

Degree: MS, Aerospace Engineering, 2010, Mississippi State University

URL: http://sun.library.msstate.edu/ETD-db/theses/available/etd-07092010-124947/ ;

► The purpose of this study was to examine the possibility of methane as a replacement to traditional fuels. Methane provides several advantages over fuels… (more)

Subjects/Keywords: methane oxygen engine

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APA (6^th Edition):

Coley, L. J. (2010). INITIAL DESIGN OF A METHANE AND OXYGEN ROCKET ENGINE. (Masters Thesis). Mississippi State University. Retrieved from http://sun.library.msstate.edu/ETD-db/theses/available/etd-07092010-124947/ ;

Chicago Manual of Style (16^th Edition):

Coley, Lorenzo James. “INITIAL DESIGN OF A METHANE AND OXYGEN ROCKET ENGINE.” 2010. Masters Thesis, Mississippi State University. Accessed January 18, 2020. http://sun.library.msstate.edu/ETD-db/theses/available/etd-07092010-124947/ ;.

MLA Handbook (7^th Edition):

Coley, Lorenzo James. “INITIAL DESIGN OF A METHANE AND OXYGEN ROCKET ENGINE.” 2010. Web. 18 Jan 2020.

Vancouver:

Coley LJ. INITIAL DESIGN OF A METHANE AND OXYGEN ROCKET ENGINE. [Internet] [Masters thesis]. Mississippi State University; 2010. [cited 2020 Jan 18]. Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-07092010-124947/ ;.

Council of Science Editors:

Coley LJ. INITIAL DESIGN OF A METHANE AND OXYGEN ROCKET ENGINE. [Masters Thesis]. Mississippi State University; 2010. Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-07092010-124947/ ;

University of Waterloo

20. Faisal, Azmy. Oxygen uptake and blood flow kinetics following the onset of exercise in trained humans.

Degree: 2010, University of Waterloo

URL: http://hdl.handle.net/10012/5576

► The main hypothesis of this thesis was that the regulation of oxygen uptake (VO2) kinetics at the onset of exercise in trained young men is… (more)

▼ The main hypothesis of this thesis was that the regulation of oxygen uptake (VO2) kinetics at the onset of exercise in trained young men is linked to cardiovascular adaptations. Two studies were conducted to investigate the interrelationships between oxygen (O2) transport and O2 utilization in accelerating VO2 kinetics at the onset of exercise. In the first study, simultaneous kinetics of VO2 and cardiac output (Q) were studied during the transition to heavy and moderate cycling exercise (Chapter 2). The acceleration of VO2 kinetics during the heavy exercise that followed prior moderate or heavy exercise was enabled by the rapid increase in Q; whereas, the acceleration of VO2 kinetics during moderate exercise that followed a heavy warm-up was associated with small changes in Q kinetics. The objective of the second study was to determine, in a model of forearm exercise, if the elevation of forearm blood flow (FBF) prior to the onset of exercise by prior circulatory occlusion would accelerate FBF and muscle oxygen uptake (VO2mus)kinetics during subsequent exercise as demonstrated previously for prior exercise (Chapter 3). Prolonged ischemia (15 min occlusion) followed by 3 min recovery reduced FBF and impaired VO2mus kinetics during subsequent heavy hand-grip exercise. However, prior heavy exercise confirmed the previous findings and resulted in a faster FBF and VO2mus kinetics. There was a high positive correlation between the time course of change in FBF and VO2mus at the onset heavy exercise. In a follow up of the second study, to investigate a possible mechanism for the slower adaptation of VO2mus following ischemia, the prior occlusion condition was repeated after ingesting a high dose of ibuprofen. Prostaglandin inhibition by ibuprofen augmented the FBF response during reactive hyperaemia and restored FBF during the heavy exercise that followed 15 min of circulatory occlusion to the control level. These two studies provide evidence that O2 delivery plays a dominant role in accelerating VO2 kinetics at the onset of heavy exercise in trained young men. The findings exposed differences in the mechanisms regulating pulmonary VO2 and VO2mus with prior exercise resulting in higher Q and FBF, but no changes in O2 extraction to yield the faster increase in pulmonary VO2 and VO2 at the onset of subsequent heavy exercise. In contrast, prior occlusion slightly retarded the increase in FBF and significantly reduced O2 extraction thus delaying VO2 kinetics. The precise mechanisms impairing VO2mus kinetics at the onset of heavy forearm hand-grip exercise that starts after a brief recovery from prolonged occlusion are still unknown, but this impairment may be partially due to a vasoconstrictor effect restricting blood flow during the adaptation to exercise and redistribution of the blood to the periphery. In a third study, the influence of muscle activity on the VO2 slow component during heavy exercise and O2 cost during moderate exercise that followed a heavy warm-up were examined (Chapter 4). The…

Subjects/Keywords: Oxygen uptake kinetics

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APA (6^th Edition):

Faisal, A. (2010). Oxygen uptake and blood flow kinetics following the onset of exercise in trained humans. (Thesis). University of Waterloo. Retrieved from http://hdl.handle.net/10012/5576

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

Chicago Manual of Style (16^th Edition):

Faisal, Azmy. “Oxygen uptake and blood flow kinetics following the onset of exercise in trained humans.” 2010. Thesis, University of Waterloo. Accessed January 18, 2020. http://hdl.handle.net/10012/5576.

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

MLA Handbook (7^th Edition):

Faisal, Azmy. “Oxygen uptake and blood flow kinetics following the onset of exercise in trained humans.” 2010. Web. 18 Jan 2020.

Vancouver:

Faisal A. Oxygen uptake and blood flow kinetics following the onset of exercise in trained humans. [Internet] [Thesis]. University of Waterloo; 2010. [cited 2020 Jan 18]. Available from: http://hdl.handle.net/10012/5576.

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

Council of Science Editors:

Faisal A. Oxygen uptake and blood flow kinetics following the onset of exercise in trained humans. [Thesis]. University of Waterloo; 2010. Available from: http://hdl.handle.net/10012/5576

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

University of North Texas

21. LaRue, Bobby Lee, Jr. Genetic and Environmental Factors that Mediate Survival of Prolonged Oxygen Deprivation in the Nematode Caenorhabditis Elegans.

Degree: 2010, University of North Texas

URL: https://digital.library.unt.edu/ark:/67531/metadc103350/

► Ischemic events of even a very short duration are not tolerated Ill in humans. The human cost of ischemia, when looked at as combined cardiovascular… (more)

Subjects/Keywords: Oxygen; ischemia; AMPK

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APA (6^th Edition):

LaRue, Bobby Lee, J. (2010). Genetic and Environmental Factors that Mediate Survival of Prolonged Oxygen Deprivation in the Nematode Caenorhabditis Elegans. (Thesis). University of North Texas. Retrieved from https://digital.library.unt.edu/ark:/67531/metadc103350/

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

Chicago Manual of Style (16^th Edition):

LaRue, Bobby Lee, Jr. “Genetic and Environmental Factors that Mediate Survival of Prolonged Oxygen Deprivation in the Nematode Caenorhabditis Elegans.” 2010. Thesis, University of North Texas. Accessed January 18, 2020. https://digital.library.unt.edu/ark:/67531/metadc103350/.

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

MLA Handbook (7^th Edition):

LaRue, Bobby Lee, Jr. “Genetic and Environmental Factors that Mediate Survival of Prolonged Oxygen Deprivation in the Nematode Caenorhabditis Elegans.” 2010. Web. 18 Jan 2020.

Vancouver:

LaRue, Bobby Lee J. Genetic and Environmental Factors that Mediate Survival of Prolonged Oxygen Deprivation in the Nematode Caenorhabditis Elegans. [Internet] [Thesis]. University of North Texas; 2010. [cited 2020 Jan 18]. Available from: https://digital.library.unt.edu/ark:/67531/metadc103350/.

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

Council of Science Editors:

LaRue, Bobby Lee J. Genetic and Environmental Factors that Mediate Survival of Prolonged Oxygen Deprivation in the Nematode Caenorhabditis Elegans. [Thesis]. University of North Texas; 2010. Available from: https://digital.library.unt.edu/ark:/67531/metadc103350/

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

University of Illinois – Chicago

22. Mattei, Chiara. A Rechargeable Mg-O2 Battery.

Degree: 2017, University of Illinois – Chicago

URL: http://hdl.handle.net/10027/21972

► The increase in energy consumption and the need to decrease the amount of CO2 emitted in the atmosphere, has pushed the world's leading manufacturers in… (more)

▼ The increase in energy consumption and the need to decrease the amount of CO2 emitted in the atmosphere, has pushed the world's leading manufacturers in the automotive field to invest in research aiming to find cleaner energy storage devices. Among them, metal-air batteries has attracted a lot of attention because of their incredibly high energy density. These systems aim to offer in the future a charming alternative to the high-consumption widespread Li-ion batteries in terms of efficiency, energy density, costs, rechargeability, and safety. Different metals can be adopted as anode and, for this project, we decided to employ magnesium in our system. Magnesium batteries, if they will ever truly become a product of commercial interest, will be much smaller than Li batteries, cheaper, and safer, besides ensuring a high energy density. The purpose of the work is to provide some notion on battery basic working principles and to explore different electrolytes, salts and catalysts which could be good candidates for magnesium-oxygen battery system. Different experiments have been carried out to better understand and analyze the evolution of the chemical processes, reduce the polarization gap, and improve efficiency and cycleability. Many combinations have been considered, utilizing as solvents: dimethyl sulfoxide (DMSO), 1,2-dimethoxyethane (DME), tetraethylene glycol dimethyl ether (TEGDME), and 1-ethyl-3-methylimidazolium tetrafluoroborate (EMIMBF4); and as salts: trifluoromethanesulfonate, bromide, chloride, and nitrate. Moreover, the report will analyze the effect of changes in ratio between the solvents and various salts concentrations, plus the use of several salts mixtures in order to promote magnesium plating and stripping. Finally, cyclic voltammetry experiments have been performed, using MoS2, WS2 and MoxW(1-x)S2 (i.e. different molar ratio) to evaluate their catalytic activity in Mg/O2 batteries. Advisors/Committee Members: Salehi-Khojin, Amin (advisor), Abiade, Jeremiah (committee member), Scott, Michael J. (committee member), Masoero, Marco (committee member), Salehi-Khojin, Amin (chair).

Subjects/Keywords: Magnesium Oxygen battery

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APA (6^th Edition):

Mattei, C. (2017). A Rechargeable Mg-O2 Battery. (Thesis). University of Illinois – Chicago. Retrieved from http://hdl.handle.net/10027/21972

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

Chicago Manual of Style (16^th Edition):

Mattei, Chiara. “A Rechargeable Mg-O2 Battery.” 2017. Thesis, University of Illinois – Chicago. Accessed January 18, 2020. http://hdl.handle.net/10027/21972.

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

MLA Handbook (7^th Edition):

Mattei, Chiara. “A Rechargeable Mg-O2 Battery.” 2017. Web. 18 Jan 2020.

Vancouver:

Mattei C. A Rechargeable Mg-O2 Battery. [Internet] [Thesis]. University of Illinois – Chicago; 2017. [cited 2020 Jan 18]. Available from: http://hdl.handle.net/10027/21972.

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

Council of Science Editors:

Mattei C. A Rechargeable Mg-O2 Battery. [Thesis]. University of Illinois – Chicago; 2017. Available from: http://hdl.handle.net/10027/21972

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

University of Waterloo

23. Niu, Yue. Cobalt-Hexamine (HMT) Metal-Organic Framework-derived Bifunctional Electrocatalyst for Oxygen Reduction and Evolution Reactions.

Degree: 2019, University of Waterloo

URL: http://hdl.handle.net/10012/15046

► With the high requirement of increasing people’s living standards and building a more sustainable society, electrochemical energy storage devices with large energy density, high power… (more)

Subjects/Keywords: oxygen evolution reaction

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APA (6^th Edition):

Niu, Y. (2019). Cobalt-Hexamine (HMT) Metal-Organic Framework-derived Bifunctional Electrocatalyst for Oxygen Reduction and Evolution Reactions. (Thesis). University of Waterloo. Retrieved from http://hdl.handle.net/10012/15046

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

Chicago Manual of Style (16^th Edition):

Niu, Yue. “Cobalt-Hexamine (HMT) Metal-Organic Framework-derived Bifunctional Electrocatalyst for Oxygen Reduction and Evolution Reactions.” 2019. Thesis, University of Waterloo. Accessed January 18, 2020. http://hdl.handle.net/10012/15046.

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

MLA Handbook (7^th Edition):

Niu, Yue. “Cobalt-Hexamine (HMT) Metal-Organic Framework-derived Bifunctional Electrocatalyst for Oxygen Reduction and Evolution Reactions.” 2019. Web. 18 Jan 2020.

Vancouver:

Niu Y. Cobalt-Hexamine (HMT) Metal-Organic Framework-derived Bifunctional Electrocatalyst for Oxygen Reduction and Evolution Reactions. [Internet] [Thesis]. University of Waterloo; 2019. [cited 2020 Jan 18]. Available from: http://hdl.handle.net/10012/15046.

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

Council of Science Editors:

Niu Y. Cobalt-Hexamine (HMT) Metal-Organic Framework-derived Bifunctional Electrocatalyst for Oxygen Reduction and Evolution Reactions. [Thesis]. University of Waterloo; 2019. Available from: http://hdl.handle.net/10012/15046

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

Louisiana State University

24. Hayles, Justin Alan. The reduction and reoxidation of ceria : a natural abundance oxygen isotope approach.

Degree: MS, Earth Sciences, 2013, Louisiana State University

URL: etd-06102013-125557 ; https://digitalcommons.lsu.edu/gradschool_theses/2671

► Ceria (CeO2) is a fluorite type oxide that has been used extensively as an oxygen storage media in three-way catalysts, as an oxygen partial pressure… (more)

Subjects/Keywords: cerium oxide; ceria; oxygen-17; oxygen isotope tracer; structural oxygen

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APA (6^th Edition):

Hayles, J. A. (2013). The reduction and reoxidation of ceria : a natural abundance oxygen isotope approach. (Masters Thesis). Louisiana State University. Retrieved from etd-06102013-125557 ; https://digitalcommons.lsu.edu/gradschool_theses/2671

Chicago Manual of Style (16^th Edition):

Hayles, Justin Alan. “The reduction and reoxidation of ceria : a natural abundance oxygen isotope approach.” 2013. Masters Thesis, Louisiana State University. Accessed January 18, 2020. etd-06102013-125557 ; https://digitalcommons.lsu.edu/gradschool_theses/2671.

MLA Handbook (7^th Edition):

Hayles, Justin Alan. “The reduction and reoxidation of ceria : a natural abundance oxygen isotope approach.” 2013. Web. 18 Jan 2020.

Vancouver:

Hayles JA. The reduction and reoxidation of ceria : a natural abundance oxygen isotope approach. [Internet] [Masters thesis]. Louisiana State University; 2013. [cited 2020 Jan 18]. Available from: etd-06102013-125557 ; https://digitalcommons.lsu.edu/gradschool_theses/2671.

Council of Science Editors:

Hayles JA. The reduction and reoxidation of ceria : a natural abundance oxygen isotope approach. [Masters Thesis]. Louisiana State University; 2013. Available from: etd-06102013-125557 ; https://digitalcommons.lsu.edu/gradschool_theses/2671

University of Miami

25. Martin, Molly M. Contrasts in Oxygen Variability of SE Pacific Oxygen Deficient Zone and Subtropical Gyre.

Degree: MS, Marine and Atmospheric Chemistry (Marine), 2019, University of Miami

URL: https://scholarlyrepository.miami.edu/oa_theses/797

► Two decades of observations in the eastern South Pacific show changes in oxygen concentrations and apparent oxygen utilizations (AOUs) in the lower thermocline 26.5-27.0… (more)

▼ Two decades of observations in the eastern South Pacific show changes in oxygen concentrations and apparent oxygen utilizations (AOUs) in the lower thermocline 26.5-27.0 sigma-theta. The 2013 GEOTRACES O2 and AOU data along ~12°S from the oxygen deficient zone (ODZ; O2 < 50 umol/kg) are compared with repeat hydrography data from the 1990s to the 2010s; the recent data add detail and process information to earlier work. In 2013, transient tracer ratio ages suggest renewal times of over two decades at the core of the ODZ as compared with being at least 7 years younger at the same densities in the subtropical gyre. Related to the age differences in the two regions, we observe oxygen parameters changing in different directions over the two decades, also different processes and forcing dominate. Similar to earlier studies, we found subtropical gyre oxygen concentrations increase and AOUs decrease due to increases in ventilation between 1990s and 2013, coupled to changes in southern hemisphere westerlies. In the core of the ODZ, oxygen concentrations decrease at an annual rate of 0.2 umol/kg/yr, AOUs increase between 1990s and 2013, and the 5 umol/kg contour reaches ~300 m deeper in the water column. ODZ changes are estimated to be due to increased biological consumption, consistent with increased upwelling corresponding to increased trade winds during that period. Thus, the difference in oxygen between the 1990s and 2013 is due to - proximity of the ODZ to coastal upwelling and longer ventilation time scales in the ODZ than gyre. In the gyre, water masses are closer to their sources and ages are younger. Whereas, the ODZ is more isolated from water mass source regions, and it takes more than two decades for the ventilated gyre waters to reach the ODZ. We have shown that in the South Pacific changes in oxygen parameters in the ODZ and subtropical gyre – to date – appear to be due to independent processes and forcing acting in each region. Continuing ocean observations are needed to monitor changes in gases such as oxygen that are critical to life. Advisors/Committee Members: Rana A. Fine, Dennis A. Hansell, Victoria Coles.

Subjects/Keywords: ocean; oxygen; oxygen deficient zone; oxygen variability; South Pacific

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APA (6^th Edition):

Martin, M. M. (2019). Contrasts in Oxygen Variability of SE Pacific Oxygen Deficient Zone and Subtropical Gyre. (Thesis). University of Miami. Retrieved from https://scholarlyrepository.miami.edu/oa_theses/797

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

Chicago Manual of Style (16^th Edition):

Martin, Molly M. “Contrasts in Oxygen Variability of SE Pacific Oxygen Deficient Zone and Subtropical Gyre.” 2019. Thesis, University of Miami. Accessed January 18, 2020. https://scholarlyrepository.miami.edu/oa_theses/797.

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

MLA Handbook (7^th Edition):

Martin, Molly M. “Contrasts in Oxygen Variability of SE Pacific Oxygen Deficient Zone and Subtropical Gyre.” 2019. Web. 18 Jan 2020.

Vancouver:

Martin MM. Contrasts in Oxygen Variability of SE Pacific Oxygen Deficient Zone and Subtropical Gyre. [Internet] [Thesis]. University of Miami; 2019. [cited 2020 Jan 18]. Available from: https://scholarlyrepository.miami.edu/oa_theses/797.

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

Council of Science Editors:

Martin MM. Contrasts in Oxygen Variability of SE Pacific Oxygen Deficient Zone and Subtropical Gyre. [Thesis]. University of Miami; 2019. Available from: https://scholarlyrepository.miami.edu/oa_theses/797

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

The Ohio State University

26. Vikram, Deepti S. Development of particulate-based EPR oximetry for regional, temporal, and rapid measurements in tissue.

Degree: PhD, Biophysics, 2008, The Ohio State University

URL: http://rave.ohiolink.edu/etdc/view?acc_num=osu1216337271

► Electron paramagnetic resonance (EPR) oximetry is a useful research technique and a potential clinical tool. The goal of this dissertation was to establish particulate-based EPR… (more)

Subjects/Keywords: Biophysics; EPR oximetry; particulate probes; oxygen probes; oxygen measurement; tissue oxygen; response time of probes

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APA (6^th Edition):

Vikram, D. S. (2008). Development of particulate-based EPR oximetry for regional, temporal, and rapid measurements in tissue. (Doctoral Dissertation). The Ohio State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=osu1216337271

Chicago Manual of Style (16^th Edition):

Vikram, Deepti S. “Development of particulate-based EPR oximetry for regional, temporal, and rapid measurements in tissue.” 2008. Doctoral Dissertation, The Ohio State University. Accessed January 18, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1216337271.

MLA Handbook (7^th Edition):

Vikram, Deepti S. “Development of particulate-based EPR oximetry for regional, temporal, and rapid measurements in tissue.” 2008. Web. 18 Jan 2020.

Vancouver:

Vikram DS. Development of particulate-based EPR oximetry for regional, temporal, and rapid measurements in tissue. [Internet] [Doctoral dissertation]. The Ohio State University; 2008. [cited 2020 Jan 18]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1216337271.

Council of Science Editors:

Vikram DS. Development of particulate-based EPR oximetry for regional, temporal, and rapid measurements in tissue. [Doctoral Dissertation]. The Ohio State University; 2008. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1216337271

Clemson University

27. Gaad, Swadeel Deepak. Intermittent Estimation of Volumetric Mass Transfer Coefficient Using Offgas Sensor Data for Continuous OUR Estimation for CHO Cell Culture.

Degree: MS, Electrical and Computer Engineering (Holcomb Dept. of), 2018, Clemson University

URL: https://tigerprints.clemson.edu/all_theses/2984

► For the last several years drugs based on monoclonal antibodies have been manufactured using Chinese Hamster Ovaries (CHO) cells by the bio-pharmaceutical industries to treat… (more)

▼ For the last several years drugs based on monoclonal antibodies have been manufactured using Chinese Hamster Ovaries (CHO) cells by the bio-pharmaceutical industries to treat cancer and other autoimmune diseases. Several control strategies are used to increase the productivity and efficiency in bio-pharmaceutical manufacturing. Cell growth can be controlled by adjusting the feed rate based on oxygen uptake rate of the cells in the bioreactor. Determining the volumetric mass transfer coefficient and oxygen saturation concentration is vital in correctly estimating oxygen uptake rate. Thus, a robust and efficient method to determine volumetric mass transfer coefficient and oxygen saturation concentration, which uses common industrial sensors, is desired. In this thesis, a new method to determine volumetric mass transfer coefficient is proposed and implemented on simulated and laboratory experiments. Using this method, volumetric mass transfer coefficient can be calculated independently of oxygen saturation concentration. The fitting parameters required to estimate volumetric mass transfer coefficients are estimated using only the estimated oxygen mole ratio of input gas, the measured oxygen mole ratio of the off-gas and the dissolved oxygen concentration in the bioreactor. A modified version of Savitzky-Golay filtering is used to determine the change in oxygen concentration in the bioreactor liquid. Another algorithm is used to reduce the variations between estimated OUR (<i> OUR </i>) and <i>OUR_linfit</i> signal to estimate the oxygen saturation concentration in the liquid. Finally, both these signals are used to estimate final OUR signal. The performance of these algorithms were validated by simulated experiments and lab experiments. A Simulink model was used to simulate bioreactor experiments and the values obtained after implementing the algorithm on simulated experiment data were compared with known values from the Simulink model to verify algorithm accuracy. High accuracy was obtained in all the simulated experiments even in presence of noise. The variation and noise in estimated OUR was significantly reduced when these algorithms were employed. The algorithm could also be used in cases when there were sudden gas mix changes by estimating OUR using parameters estimated just prior to the gas mix change. The algorithm was applied to laboratory experiments and it showed consistent results over short periods of time. Since the oxygen saturation concentration is important information required to estimate OUR and control the growth rate of cells, these algorithms have the potential of proving useful in implementing robust controller to increase the productivity and efficiency of the monoclonal antibody manufacturing process using CHO cells. Advisors/Committee Members: Dr. Richard Groff, Committee Chair, Dr. Sarah Harcum, Dr. Rod Harrell.

Subjects/Keywords: CHO cells; Control systems; KLA; Oxygen Saturation Concentration; Oxygen transfer rate; Oxygen uptake rate

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

APA (6^th Edition):

Gaad, S. D. (2018). Intermittent Estimation of Volumetric Mass Transfer Coefficient Using Offgas Sensor Data for Continuous OUR Estimation for CHO Cell Culture. (Masters Thesis). Clemson University. Retrieved from https://tigerprints.clemson.edu/all_theses/2984

Chicago Manual of Style (16^th Edition):

Gaad, Swadeel Deepak. “Intermittent Estimation of Volumetric Mass Transfer Coefficient Using Offgas Sensor Data for Continuous OUR Estimation for CHO Cell Culture.” 2018. Masters Thesis, Clemson University. Accessed January 18, 2020. https://tigerprints.clemson.edu/all_theses/2984.

MLA Handbook (7^th Edition):

Gaad, Swadeel Deepak. “Intermittent Estimation of Volumetric Mass Transfer Coefficient Using Offgas Sensor Data for Continuous OUR Estimation for CHO Cell Culture.” 2018. Web. 18 Jan 2020.

Vancouver:

Gaad SD. Intermittent Estimation of Volumetric Mass Transfer Coefficient Using Offgas Sensor Data for Continuous OUR Estimation for CHO Cell Culture. [Internet] [Masters thesis]. Clemson University; 2018. [cited 2020 Jan 18]. Available from: https://tigerprints.clemson.edu/all_theses/2984.

Council of Science Editors:

Gaad SD. Intermittent Estimation of Volumetric Mass Transfer Coefficient Using Offgas Sensor Data for Continuous OUR Estimation for CHO Cell Culture. [Masters Thesis]. Clemson University; 2018. Available from: https://tigerprints.clemson.edu/all_theses/2984

28. Gutowski, Mariusz. Molecular detection and characterisation of biologically relevant free radicals during surgical ischaemia-reperfusion.

Degree: PhD, 2011, University of South Wales

URL: https://pure.southwales.ac.uk/en/studentthesis/molecular-detection-and-charcaterisation-of-biologically-relevant-free-radicals-during-surgical-ischaemiareperfusion(016f6447-5d02-45f7-a543-8b880148dc23).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.543225

► Oxygen is one of the most important molecules in human beings. Our research is focused on how the human body can respond and adapt to… (more)

▼ Oxygen is one of the most important molecules in human beings. Our research is focused on how the human body can respond and adapt to the physiological challenge posed by a lack of oxygen. Ascorbic acid (Vitamin C) is one of the most important and considered the most effective water-soluble, chain-breaking antioxidant in human plasma, with the capacity to prevents damage by free radicals. This thesis presents four studies investigating the phenomenon of Reactive Oxygen Species (ROS) generation in the many different surgical conditions in the animal and in the human. Study one investigated the geometry and thermodynamic properties of vitamin C. Calculations were carried out at the restricted and unrestricted B3LYP/6-31+G(d,p), B3LYP/6-311++G(d,p) and B3LYP/EPR-II levels for two conformers (1 and 2) of L-ascorbic acid and their respective oxidation products to monodehydroascorbates of ab-initio methods by Gaussian O3W package. Conformer 1, free radical properties are compared with previously published calculations in the gaseous and aqueous solution states and with experimental EPR values. Calculated molecular structures, EPR (electron paramagnetic resonance spectroscopy), the vibration spectral and energetic properties and all are reported including some proposed changes to previous EPR assignments. Conformer 2 of L-ascorbic acid is predicted to have lower energy than Conformer 1, under the method and basis sets used, by between 11 and 26 kJ mol-1 and is stabilised by internal hydrogen bonding. Relaxed potential energy surface (PES) scans were carried out for two proton transfer processes and relative energies of stable minima and barriers between them determined. Hydrogen transfer is predicted in two systems with favourable spatial arrangements of O–H and O groups for which relaxed potential energy surface scans are reported. Calculated vibrational wavenumber values are provided for selected C=C, C=O, C–H and O–H modes assigned to particular groups and significant calculated EPR hyperfine coupling constants (HCC) values for splitting by H(1) and C(13) for radical species are also reported. These calculations contribute to a better understanding of the complex role of L-ascorbic acid and its various oxidised, neutral, ionic and radical forms in biochemistry and medicine. Study two examined if vitamin C could ameliorate the damaging effects of I-R on myocardium and we postulated that the mechanism of vitamin C protection against iii I-R-induced cell death involved quenching of ROS. In the vitamin C group after 5 min of reperfusion a significant, sudden increase of diastolic pressure in the heart was noted and reached a maximum of 77 mmHg after 12 min of reperfusion and then gradually decreased to 51 mmHg after 60 min of reperfusion period but was quicker than in Control group reaching 37 mmHg by the end of the reperfusion period. The level of A·− (ascorbate free radicals) sudden and massive increased at the time of reperfusion in the Vitamin C group. This increase was associated with poor mechanical function in hearts…

Subjects/Keywords: 541.244; Active oxygen in the body; Active oxygen Pathophysiology; Active oxygen Physiological effect

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APA (6^th Edition):

Gutowski, M. (2011). Molecular detection and characterisation of biologically relevant free radicals during surgical ischaemia-reperfusion. (Doctoral Dissertation). University of South Wales. Retrieved from https://pure.southwales.ac.uk/en/studentthesis/molecular-detection-and-charcaterisation-of-biologically-relevant-free-radicals-during-surgical-ischaemiareperfusion(016f6447-5d02-45f7-a543-8b880148dc23).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.543225

Chicago Manual of Style (16^th Edition):

Gutowski, Mariusz. “Molecular detection and characterisation of biologically relevant free radicals during surgical ischaemia-reperfusion.” 2011. Doctoral Dissertation, University of South Wales. Accessed January 18, 2020. https://pure.southwales.ac.uk/en/studentthesis/molecular-detection-and-charcaterisation-of-biologically-relevant-free-radicals-during-surgical-ischaemiareperfusion(016f6447-5d02-45f7-a543-8b880148dc23).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.543225.

MLA Handbook (7^th Edition):

Gutowski, Mariusz. “Molecular detection and characterisation of biologically relevant free radicals during surgical ischaemia-reperfusion.” 2011. Web. 18 Jan 2020.

Vancouver:

Gutowski M. Molecular detection and characterisation of biologically relevant free radicals during surgical ischaemia-reperfusion. [Internet] [Doctoral dissertation]. University of South Wales; 2011. [cited 2020 Jan 18]. Available from: https://pure.southwales.ac.uk/en/studentthesis/molecular-detection-and-charcaterisation-of-biologically-relevant-free-radicals-during-surgical-ischaemiareperfusion(016f6447-5d02-45f7-a543-8b880148dc23).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.543225.

Council of Science Editors:

Gutowski M. Molecular detection and characterisation of biologically relevant free radicals during surgical ischaemia-reperfusion. [Doctoral Dissertation]. University of South Wales; 2011. Available from: https://pure.southwales.ac.uk/en/studentthesis/molecular-detection-and-charcaterisation-of-biologically-relevant-free-radicals-during-surgical-ischaemiareperfusion(016f6447-5d02-45f7-a543-8b880148dc23).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.543225

University of Wollongong

29. Luo, Wenbin. Advanced materials for rechargeable lithium-oxygen batteries.

Degree: PhD, 2016, University of Wollongong

URL: 0912 MATERIALS ENGINEERING ; https://ro.uow.edu.au/theses/4600

► The global effort to improve the lifetime, power densities and energy efficiency of energy storage and conversion technologies, such as batteries, fuel cells and… (more)

▼ The global effort to improve the lifetime, power densities and energy efficiency of energy storage and conversion technologies, such as batteries, fuel cells and supercapacitors, has become dramatically more extensive with increased demand from portable electronics and the electrification of transportation. Currently, lithiumoxygen (Li-O2) batteries have been viewed as the most promising next-generation electrochemical energy storage technology to meet the transportation application in the near future. Unlike traditional Li-ion batteries, Li-O2 batteries abandon the intercalation electrodes and Li ions react directly with O2 from the air in a porous electrode. This unique battery chemistry and electrode architecture induce an extremely large theoretical specific energy ~ 3600 W h kg-1, which may be capable of providing enough energy storage capability for electric vehicles to drive more than 500 miles (per charge). Such high specific potential energy density is several times higher than that possible Li-ion battery technology and can even match the 1700 W h kg-1 for a gasoline energy system. To date, the main challenges faced by the Li-O2 batteries are the cycling-instability of electrolytes and the low round–trip efficiency which could be increased by optimizing cathode catalysts and structures. These shortcomings will hamper the commercialization of this technology. In the past ten years, many advances have been achieved, but the challenges remain. In this doctoral work, several promising efficient carbon-supported catalysts for Li-O2 batteries have been synthesized as novel cathode catalysts and their electrical performance have been investigated in detail. These include MnO-carbon nanotube, graphitic C3N4-graphene, and B4C nanowires-carbon nanotubes composites. Meanwhile, onedimensional AgPd-Pd composite porous nanotubes were also prepared by galvanic replacement reaction and applied in rechargeable Li-O2 batteries. These porous nanotubes show favourable rechargeability and excellent energy efficiency, facilitating rapid O2 and electrolyte diffusion through the nanotubes, as well as forming a continuous conductive network throughout the whole energy conversion process. In addition, the lack of stable electrolyte for Li-O2 is another enormous challenge to be overcome. The properties of formulated electrolytes are crucial for the interfacial structure between the electrodes, O2 gas, and non-aqueous electrolytes and accordingly govern the performance of Li-O2 batteries. The most widely used electrolytes for Li-O2 batteries are almost exclusively the electrolytes composed of organic solvents and lithium salts. Most of the conventional electrolytes still suffer from rapid degradation with cycling, however. Herein, we have designed a special flexible lithium oxygen battery device using a gel-solid polymer electrolyte, which can not only avoid electrolyte evaporation, but also protects the lithium metal anode during reaction. In this work, RuOx nanoparticles decorated uniformly on nitrogendoped graphene were employed…

Subjects/Keywords: Lithium oxygen battery; porous materials; carbon materials; oxygen reduction reaction; oxygen evolution reaction

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APA (6^th Edition):

Luo, W. (2016). Advanced materials for rechargeable lithium-oxygen batteries. (Doctoral Dissertation). University of Wollongong. Retrieved from 0912 MATERIALS ENGINEERING ; https://ro.uow.edu.au/theses/4600

Chicago Manual of Style (16^th Edition):

Luo, Wenbin. “Advanced materials for rechargeable lithium-oxygen batteries.” 2016. Doctoral Dissertation, University of Wollongong. Accessed January 18, 2020. 0912 MATERIALS ENGINEERING ; https://ro.uow.edu.au/theses/4600.

MLA Handbook (7^th Edition):

Luo, Wenbin. “Advanced materials for rechargeable lithium-oxygen batteries.” 2016. Web. 18 Jan 2020.

Vancouver:

Luo W. Advanced materials for rechargeable lithium-oxygen batteries. [Internet] [Doctoral dissertation]. University of Wollongong; 2016. [cited 2020 Jan 18]. Available from: 0912 MATERIALS ENGINEERING ; https://ro.uow.edu.au/theses/4600.

Council of Science Editors:

Luo W. Advanced materials for rechargeable lithium-oxygen batteries. [Doctoral Dissertation]. University of Wollongong; 2016. Available from: 0912 MATERIALS ENGINEERING ; https://ro.uow.edu.au/theses/4600

The Ohio State University

30. Begland, Robert Walter. Participation and steric effects of neighboring divalent oxygen.

Degree: PhD, Graduate School, 1968, The Ohio State University

URL: http://rave.ohiolink.edu/etdc/view?acc_num=osu1486647101626646

Subjects/Keywords: Chemistry; Oxygen

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APA (6^th Edition):

Begland, R. W. (1968). Participation and steric effects of neighboring divalent oxygen. (Doctoral Dissertation). The Ohio State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=osu1486647101626646

Chicago Manual of Style (16^th Edition):

Begland, Robert Walter. “Participation and steric effects of neighboring divalent oxygen.” 1968. Doctoral Dissertation, The Ohio State University. Accessed January 18, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486647101626646.

MLA Handbook (7^th Edition):

Begland, Robert Walter. “Participation and steric effects of neighboring divalent oxygen.” 1968. Web. 18 Jan 2020.

Vancouver:

Begland RW. Participation and steric effects of neighboring divalent oxygen. [Internet] [Doctoral dissertation]. The Ohio State University; 1968. [cited 2020 Jan 18]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1486647101626646.

Council of Science Editors:

Begland RW. Participation and steric effects of neighboring divalent oxygen. [Doctoral Dissertation]. The Ohio State University; 1968. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1486647101626646

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