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Filtering by: Subject X-rays -- Physiological effect Remove constraint Subject: X-rays -- Physiological effect Advisor Mcguire, Joseph Remove constraint Advisor: Mcguire, Joseph Decade 2000-2009 Remove constraint Decade: 2000-2009

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  • 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:
    immobilized on surface-activated silica wafers. X-ray photoelectron spectroscopy (XPS) was used to quantify

  • 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:
    surface at various stages of the derivatization. X- ray photoelectron spectroscopy was used to analyze

  • Human platelet adhesion to heparinized silica surfaces

    Creator:
    Bolsinger, Travis Samuel Sebastian
    Abstract:
    Heparin was modified and immobilized to surface-activated silica surfaces using two different reaction schemes. End-aminated heparin was reacted with 2-iminothiolane to produce free thiol groups at the terminal ends of the heparin chains. The end-thiolated heparin was immobilized by reaction with a pyridyl disulfide activated poly[ethylene oxide]-poly[propylene oxide]-poly[ethylene oxide] triblock...
    Resource Type:
    Masters Thesis
    Full Text:
    surface. X-ray photoelectron spectroscopy (XPS) and contact angle analysis were performed at each stage

  • Surfactant interactions with recombinant factor VIII at the air/water interface

    Creator:
    Chu, Liping
    Abstract:
    The surface tension kin'ti4tnd ste'dy state behavior exhibited by mixtures of selected surfactants with a recombinant Factor VIII (rFVIII) were evaluated with automated interfacial tensiometry. In particular, fresh solutions of rFVIII with different concentrations of Tween 80, sodium dodecylsulfate (SDS), or dodecyltrimethylammonium bromide (DTAB) were prepared and their surface tension...
    Resource Type:
    Masters Thesis
    Full Text:
    results in intact enzyme layer at the subphase surface. They used a specular X-ray reflectivity to study