Index Catalog // ScholarsArchive@OSU

Plant layout for rehabilitation centers : a case study and general considerations

Creator:: Ingle, Jayant T.
Abstract:: This paper approaches the problem of arranging facilities and moving materials in a sheltered workshop, or rehabilitation center, employing handicapped people. Traditional plant layout and material handling principles, along with human engineering principles, are used for developing a layout for Open Door Incorporated, a sheltered workshop located in Corvallis, Oregon....
Resource Type:: Masters Thesis

Environmental durability of reinforced concrete deck girders strengthened with surface-bonded carbon fiber-reinforced polymer

Creator:: Sopal, Gautam Jayant
Abstract:: Long-term durability of surface-bonded carbon fiber-reinforced polymer (CFRP) for shear strengthening of reinforced concrete (RC) bridge members remains uncertain due to the limited field experience with these materials. This paper provides experimental results from the testing of full-scale RC bridge girder specimens after exposure to prolonged environmental exposure and combined...
Resource Type:: Masters Thesis
Full Text:: THESIS OF Gautam Jayant Sopal for the degree of Master of Science in Civil Engineering presented on

A critical comparison of methods for the determination of phytoplankton chlorophyll

Creator:: Salinas, John T.
Abstract:: The concentration of chlorophyll in natural bodies of water is commonly determined as a means to rapidly estimate the phytoplankton biomass. The literature gives numerous warnings, however, as to the problems involved with accurately determining chlorophyll concentrations. The author's work at Crater Lake, Oregon enticed him to explore critically the...
Resource Type:: Masters Thesis
Full Text:: . James D. Ingle, Jr. The concentration of chlorophyll in natural bodies of water is commonly determined

Polymeric submicron optical ion-selective sensors

Creator:: Bychkova, Valeriya
Abstract:: Ion-selective polymeric optical sensors – ion optodes – are a promising alternative to ion-selective electrodes and fluorescent dyes for analytical and biological applications, e.g. extra- and intracellular measurements. They are non-toxic, highly selective robust probes for ionic fluxes monitoring. A large-scale fabrication of ion optodes using a solvent displacement method...
Resource Type:: Dissertation
Full Text:: Submicron Optical Ion-Selective Sensors. Abstract approved: James D. Ingle, Jr. Ion

Design, characterization, and application of spectrometers for determination of low-level dissolved oxygen with small-volume sampling methodology

Creator:: Cakin, Defne
Abstract:: New analytical methods and instrumentation were developed for the determination of dissolved oxygen (DO) at low concentrations in water. The methods were based on monitoring the absorbance increase due to the oxidation of reduced indigo carmine (IC) by oxygen in the sample in different types of spectrometer cells. Spectrophotometer cells...
Resource Type:: Dissertation
Full Text:: : ___________________________________________ James D. Ingle, Jr. New analytical methods and instrumentation were developed for the

Micro total analysis system for in-situ and autonomous spectrophotometric monitoring of iron in groundwater

Creator:: Koch, Corey R.
Abstract:: We have developed a compact micro total analysis system (μTAS) to serve as a platform for in-situ spectrophotometric water quality monitoring. Individual fluidic, optical, and electrical components were designed, developed, and characterized. These components were combined in both an integrated (single lithographic “chip-based” platform) and a modular manner. The microfluidic...
Resource Type:: Dissertation
Full Text:: Groundwater Abstract approved: Vincent T. Remcho

Synthesis and characterization of novel stationary phases for small scale liquid chromatographic separations of proteins and nanoparticles

Creator:: Hutanu, Daniela
Abstract:: The emerging field of nanotechnology strictly requires the micro-scaling of the available separation technology and the design of novel devices for separations of molecules of interest. The separation of proteins and nanoparticles is challenging due to their relatively large size, non-specific adherence to surfaces and instability in many solvents. This...
Resource Type:: Dissertation
Full Text:: approved: Vincent T. Remcho The emerging field of nanotechnology strictly requires the micro

Monolithic sorbents for microscale separations

Creator:: Doneanu, Angela
Abstract:: Over the last decade, the miniaturization of analytical systems has become an increasingly important and interesting research area. Miniaturized systems offer many advantages, including reduced reagent and sample consumption, shorter analysis times, portability and disposability. This dissertation describes novel approaches in this direction, focusing on two areas: the miniaturization of...
Resource Type:: Dissertation
Full Text:: Ingle, Dr. Michael Lerner, Dr. Claudia Maier and Dr. Gregory Rorrer for offering the academic guidance

From electrophoresis to dielectrophoresis: designing, fabricating, and evaluating an electroformed ratchet type microfluidic dielectrophoresis device

Creator:: Gonzalez, Carlos F.
Abstract:: Dielectrophoresis (DEP) is a separation method in which a non-uniform electric field is used to induce a dipole moment in a suspended particle. If the polarization of the particle is greater than that of the suspending medium, the particle will move towards the region of higher field strength (positive DEP);...
Resource Type:: Dissertation
Full Text:: : Vincent T. Remcho Dielectrophoresis (DEP) is a separation method in which a non-uniform electric

Theoretical and experimental factors affecting the accuracy and precision of atomic absorption measurements

Creator:: Bower, Nathan Wayne
Abstract:: A procedure for evaluating the precision of atomic absorption measurements is presented and applied to 21 elements under varying instrumental conditions. The experimental relative standard deviations (RSD's) in absorbance obtained from repetitive measurements made with a high resolution voltmeter and on-line computer, are compared to those predicted by a recently...
Resource Type:: Dissertation
Full Text:: : J. D. Ingle, Jr. A procedure for evaluating the precision of atomic absorption measurements is

ScholarsArchive@OSU

Plant layout for rehabilitation centers : a case study and general considerations

Environmental durability of reinforced concrete deck girders strengthened with surface-bonded carbon fiber-reinforced polymer

A critical comparison of methods for the determination of phytoplankton chlorophyll

Polymeric submicron optical ion-selective sensors

Design, characterization, and application of spectrometers for determination of low-level dissolved oxygen with small-volume sampling methodology

Micro total analysis system for in-situ and autonomous spectrophotometric monitoring of iron in groundwater

Synthesis and characterization of novel stationary phases for small scale liquid chromatographic separations of proteins and nanoparticles

Monolithic sorbents for microscale separations

From electrophoresis to dielectrophoresis: designing, fabricating, and evaluating an electroformed ratchet type microfluidic dielectrophoresis device

Theoretical and experimental factors affecting the accuracy and precision of atomic absorption measurements

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