Index Catalog // ScholarsArchive@OSU

Flux Balance Analysis of Synechocystis PCC 6803.

Creator:: Elder, Robert M.
Abstract:: In order to improve photosynthetic hydrogen production, initial work has begun on a flux balance analysis of Synechocystis sp. strain PCC 6803, a model H2-producing organism. The mathematical model developed includes reactions relevant to photoautotrophic growth: glycolysis, the tricarboxylic acid cycle, the Calvin cycle, the photosynthetic electron transport chain, the...
Resource Type:: Honors College Thesis

Use of elicitor sets to characterize cellular signal transduction networks

Creator:: Narayanan, Arthi
Abstract:: Intracellular signaling cascades can no longer be viewed as linear pathways that relay and amplify information. Often, components of different pathways interact, resulting in signaling networks. The interactions of different pathways and the dynamic modulation of the activities of the components within signaling pathways can create a multitude of biological...
Resource Type:: Masters Thesis
Full Text:: Sets to Characterize Cellular Signal Transduction Networks Abstract AnDroved: Frank W.R. Chaplen

Studies in preparative chromatography

Creator:: Zhang, Ling
Abstract:: Preparative chromatography is the most widely used purification method in the biotechnology and pharmaceutical industry. Here, one theoretical and one practical problem of preparative chromatography are investigated. The theoretical problem deals with the effect of experimental error on the precision of adsorption isotherm parameters estimated by numerical method. Numerical method...
Resource Type:: Dissertation

A network approach for the mechanistic classification of bioactive compounds

Creator:: Siebert, Trina A.
Abstract:: Using network architecture to describe a biological system is an effective organizational method. The utility of this approach, which generally applies to qualitative models, is enhanced by the addition of quantitative models characterizing the interactions between network nodes. A chromatophore-based signal transduction network is developed, and the highly interconnected major...
Resource Type:: Dissertation
Full Text:: analysis. Dr. Frank Chaplen and Dr. John Bolte were involved with several stages of the writing process

Optimization of environmental conditions and electron flow for enhanced hydrogen production by cyanobacterial species Synechocystis sp. PCC 6803

Creator:: Burrows, Elizabeth H.
Abstract:: Many conditions affecting hydrogen (H₂) production by the cyanobacterium, Synechocystis sp. PCC 6803, were optimized to yield maximum H₂ accumulation. Biological H₂ production from photosynthetic species is a promising form of renewable energy since an abundant supply of sunlight hits the Earth every day, and photosynthetic bacteria can harness this...
Resource Type:: Dissertation
Full Text:: Approved: Roger L. Ely Frank W.R. Chaplen Many conditions affecting

A comparative study of lowpass continuous-time delta-sigma modulators with pulse-shaped DACs

Creator:: Fang, Jie
Abstract:: Recently, continuous-time ΔΣ modulators are appearing increasingly often in both the literature and the marketplace due to their features of inherent antialiasing and relaxed requirements for opamp and so on. However, several nonideal factors such as clock jitter, excess loop delay, inter-symbol interference and so on, degrade the SNR performance...
Resource Type:: Masters Thesis
Full Text:: , feedback, advice and support. I would like to thank Prof. Un-Ku Moon, Prof. Huaping Liu and Prof. Frank

Monte Carlo random walk simulation as a complement to experimental and theoretical approaches : application to mass transfer in fish muscle tissue

Creator:: Almonacid-Merino, Sergio Felipe
Abstract:: Mass transfer processes in food systems, such as solute infusion, are poorly understood because of their complex nature. Food systems contain porous matrices and a variety of continuous phases within cellular tissues. Mass transfer processes are generally not pure diffusion: often convection, binding and obstructing diffusion will occur. Monte Carlo...
Resource Type:: Dissertation
Full Text:: , Dr. Frank Chaplen and Dr. Lisbeth Goddik. Appreciation is also extended to the faculty, staff and

Enhancing hydrogen production in microbial electrolysis cells through development of platinum-free cathode and improvement of reactor design

Creator:: Hu, Hongqiang
Abstract:: Microbial electrolysis provides a new approach for hydrogen generation from renewable biomass. At current stage, the most likely limiting factors for successful scale up of this technology are the large internal resistance and high fabrication cost. This dissertation presents an attempt to overcome these limitations by investigating novel microbial electrolysis...
Resource Type:: Dissertation
Full Text:: thank the rest of my thesis committee: Dr. Roger Ely, Dr. Frank Chaplen, Dr. Mark Dolan, Dr. Sam Chan

Optimization studies in preparative chromatography of biomolecules

Creator:: Ramanan, Sundar
Abstract:: Optimization of preparative nonlinear chromatography was carried out for the first time for a biomolecule mixture. Conventional wisdom on optimization, which roots from analytical chromatography, dictates optimizing resolution in an analytical column and obtaining similar separation in a large column for isolation. Such a method of optimization significantly under uses...
Resource Type:: Dissertation
Full Text:: also would like to thank Dr's Frank Chaplen, Mike Penner, Mike Schuyler and Arne Skaugset for

Physiological, proteomic, and whole-genome transcriptional responses of Nitrosomonas europaea to heavy metals (Zn²⁺,Cd²⁺, Cu²⁺, and Hg²⁺) and cyanide : identification of heavy metals and cyanide stress response genes

Creator:: Park, Sunhwa
Abstract:: Nitrosomonas europaea (ATCC19718) participates in the biological removal of nitrogen from wastewater by oxidizing ammonia to nitrite, the first step in nitrification. This bacterium is sensitive to heavy metals (Zn²⁺, Cd²⁺, Cu²⁺, and Hg²⁺) and cyanide, compounds commonly encountered in wastewater treatment plants. Therefore, we characterized physiological and transcriptional responses...
Resource Type:: Dissertation
Full Text:: doctoral studies. I also would like to thank my committee members, Dr. Frank W.R. Chaplen, Dr. Hong

ScholarsArchive@OSU

Flux Balance Analysis of Synechocystis PCC 6803.

Use of elicitor sets to characterize cellular signal transduction networks

Studies in preparative chromatography

A network approach for the mechanistic classification of bioactive compounds

Optimization of environmental conditions and electron flow for enhanced hydrogen production by cyanobacterial species Synechocystis sp. PCC 6803

A comparative study of lowpass continuous-time delta-sigma modulators with pulse-shaped DACs

Monte Carlo random walk simulation as a complement to experimental and theoretical approaches : application to mass transfer in fish muscle tissue

Enhancing hydrogen production in microbial electrolysis cells through development of platinum-free cathode and improvement of reactor design

Optimization studies in preparative chromatography of biomolecules

Physiological, proteomic, and whole-genome transcriptional responses of Nitrosomonas europaea to heavy metals (Zn²⁺,Cd²⁺, Cu²⁺, and Hg²⁺) and cyanide : identification of heavy metals and cyanide stress response genes

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