Sökning: "macromolecule"

Visar resultat 1 - 5 av 41 avhandlingar innehållade ordet macromolecule.

  1. 1. Developmental and methodological aspects of intestinal and pancreatic function in pigs and rats

    Författare :Klas Rådberg; Biologiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; macromolecule; endocytosis; FITC-dextran; secretion; mucosa; CCK; pancreas; disaccharidase; intestinal permeability; lectin; morphometry; Animal physiology; Djurfysiologi;

    Sammanfattning : The gastrointestinal tract has two opposing functions; to effectively absorb nutrients and to act as a safety barrier against hazardous substances in the environment. After birth these functions develops gradually. LÄS MER

  3. 2. Microdialysis Sampling of Macro Molecules : Fluid Characteristics, Extraction Efficiency and Enhanced Performance

    Författare :Jiangtao Chu; Andreas Dahlin; Klas Hjort; Jan Kehr; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; microdialysis; high molecular weight cut-off; fluid characteristics; fluid recovery; extraction efficiency; biomarker; microporous membrane; macromolecule transport; transmembrane; large pore; surface modification; pluronic; dextran; in vitro; microdialysis catheter; Teknisk fysik med inriktning mot mikrosystemteknik; Engineering Science with specialization in Microsystems Technology; Teknisk fysik med inriktning mot materialvetenskap; Engineering Science with specialization in Materials Science;

    Sammanfattning : In this thesis, fluid characteristics and sampling efficiency of high molecular weight cut-off microdialysis are presented, with the aim of improving the understanding of microdialysis sampling mechanisms and its performance regarding extraction efficiency of biological fluid and biomarkers.Microdialysis is a well-established clinical sampling tool for monitoring small biomarkers such as lactate and glucose. LÄS MER

  4. 3. Polysaccharide thin film studies - Adsorption of oxidized xylan on cellulose

    Författare :Chonnipa Palasingh; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; surface plasmon resonance; solubility; macromolecule adsorption; quartz crystal microbalance with dissipation monitoring;

    Sammanfattning : Wood xylans are renewable natural materials that have potential for future use in bio-based products. However, their high price and low production capacity restrict their industrial use and current applications. This research aimed to explore the potential of wood xylans for film applications. LÄS MER

  5. 4. Studies of vinyl chloride, urethane, 1,2-dichloroethane and propene with respect to metabolism, covalent binding to macromolecule and genotoxic risk

    Författare :Kettil Svensson; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : .... LÄS MER

  7. 5. Competitive adsorption of macromolecules during emulsification

    Författare :Lars Nilsson; Livsmedelsteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Teknik; Technological sciences; Egg yolk proteins; Competitiva adsorption; Field Flow Fractionation; Hydrophobically modified starch; Emulsions;

    Sammanfattning : The adsorption behavior of macromolecular emulsifiers is important in the understanding of their functionality. Understanding of the adsorption behavior can ultimately enable us to control emulsion properties. LÄS MER