Index Catalog // ScholarsArchive@OSU

Fibrinogen adsorption at heparinized silica interfaces : history dependence and adsorption time effects

Creator:: Lee, Hyo Jin
Abstract:: Heparin was modified with adipic diliydrazide and covalently linked to surface-activated silica. Contact angle measurements were made to determine changes in surface at various stages of the derivatization. Xray photoelectron spectroscopy was used to analyze the elemental composition of the surface at each step of immobilizing heparin as well and...
Resource Type:: Masters Thesis
Full Text:: Lee for the degree of Master of Science in Chemical Engineering presented on May 25, 2004. Title

Molecular origins of surfactant-mediated stabilization of protein

Creator:: Lee, Hyo Jin
Abstract:: Nonionic surfactants are commonly used to stabilize proteins during upstream and downstream processing and drug formulation. Surfactants stabilize the proteins through two major mechanisms: (i) their preferential location at nearby interfaces, in this way precluding protein adsorption; and/or (ii) their association with protein into "complexes" that prevent proteins from interacting...
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE DISSERTATION OF Hyo Jin Lee for the degree of Doctor of Philosophy in Chemical

Kinetic modeling of the adsorption of structural stability mutants of bacteriophage T4 lysozyme at solid-water interfaces

Creator:: Lee, Woo-Kul
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Woo-Kul Lee for the degree

Temperature effects on surface energetic parameters evaluated at solid/liquid interfaces

Creator:: Lee, Euisang
Abstract:: Measurable surface parameters which may be related to the response evoked upon contact with biofluids have been suggested to provide direction for characterization, prediction, and ultimate control of biofluid behavior at interfaces. With respect to fouling of heat exchange equipment by biofluids, such properties may be useful for the development...
Resource Type:: Masters Thesis
Full Text:: evaluated at solid/liquid interfaces AN ABSTRACT OF THE THESIS OF Euisang Lee for the degree of Master of

The influence of surface functional groups on β-lactoglobulin adsorption equilibrium

Creator:: Al-Makhlafi, Hamood K.
Abstract:: Interactions between proteins and contact surfaces can have important implications in the food industry. Such interactions contribute to the course of fouling of membrane surfaces and they appear to mediate bacterial and spore adhesion to some degree as well. In addition to protein and solution properties, interfacial behavior is strongly...
Resource Type:: Masters Thesis
Full Text:: entropically driven (Lee and Ruckenstein, 1988). Protein adsorption equilibrium is sometimes found to

Fibrinogen adsorption at heparinized silica interfaces : history dependence and protein concentration effects

Creator:: Joshi, Omkar
Abstract:: Adipic dihydrazide-modified heparin was prepared and subsequently immobilized on surface-activated silica wafers. X-ray photoelectron spectroscopy (XPS) was used to quantify the elemental composition of the silica surface at each stage of activation and results showed that successful immobilization had taken place. Contact angle measurements were made to verify the high...
Resource Type:: Masters Thesis
Full Text:: Lee and Phyllis Buchholz for assisting with the experiments, at various stages. I had many good

Characterization and application of PEO-containing triblock copolymer surfactants

Creator:: Snider, Joshua L.
Abstract:: The action of pendant, polyethylene oxide (PEO) brush layers as nonfouling coatings for biomedical materials is well understood. However progress toward clinical application of stable, high density PEO coatings has historically been impeded by the lack of cost effective, noninvasive methods for their preparation. Triblock polymers featuring a hydrophobic, polypropylene...
Resource Type:: Honors College Thesis
Full Text:: through all stages of the research and reporting process. I would also like to thank Dr. Woo-Kul Lee for

β-Lactoglobulin adsorption equilibrium at low- and high-energy surfaces

Creator:: Al-Malah, Kamal Issa Masoud
Abstract:: Ellipsometry was used to study the effects of surface energetics and temperature on the equilibrium adsorptive behavior exhibited by β-lactoglobulin. β-Lactoglobulin isotherms at 25, 37, and 55°C were constructed for this purpose. The surfaces of acrylic, polycarbonate, polyester, glass, and #304 stainless steel were contacted with protein solutions of varying...
Resource Type:: Masters Thesis
Full Text:: , which exhibited a more compact layer because of the high surface concentration. 8 Lee and

Use of contact angle analysis for the measurement of the relative hydrophilicity of food contact surfaces

Creator:: Kirtley, Sidney A.
Resource Type:: Masters Thesis
Full Text:: ., Wilmington, DE N. Engineering & Plastics Corp., Portland, O International Paper Co. (not water-equil

The influence of preadsorbed milk proteins on adhesion of Listeria monocytogenes to silica surfaces

Creator:: Al-Makhlafi, Hamood K.
Abstract:: β-lactoglobulin (β-Lg), bovine serum albumin (BSA), α-lactalbumin (α-Lac), and β-casein were adsorbed onto silanized silica surfaces of low and high hydrophobicity for 8 h, and β-Lg and BSA for 1 h. The surfaces were incubated in buffer for 0, 5, 10, or 15 h and then contacted with Listeria monocytogenes...
Resource Type:: Dissertation
Full Text:: ^feschel P-lactoglobulin (p-Lg), bovine serum albumin (BSA), o- lactalbumin (a-Lac), and p-casein were

ScholarsArchive@OSU

Fibrinogen adsorption at heparinized silica interfaces : history dependence and adsorption time effects

Molecular origins of surfactant-mediated stabilization of protein

Kinetic modeling of the adsorption of structural stability mutants of bacteriophage T4 lysozyme at solid-water interfaces

Temperature effects on surface energetic parameters evaluated at solid/liquid interfaces

The influence of surface functional groups on β-lactoglobulin adsorption equilibrium

Fibrinogen adsorption at heparinized silica interfaces : history dependence and protein concentration effects

Characterization and application of PEO-containing triblock copolymer surfactants

β-Lactoglobulin adsorption equilibrium at low- and high-energy surfaces

Use of contact angle analysis for the measurement of the relative hydrophilicity of food contact surfaces

The influence of preadsorbed milk proteins on adhesion of Listeria monocytogenes to silica surfaces

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