Sökning: "contact-angle measurement"

Visar resultat 1 - 5 av 17 avhandlingar innehållade orden contact-angle measurement.

  1. 1. Hemicellulose as barrier material

    Författare :Hartman Jonas; Ann-Christine Albertsson; Gunnar Henriksson; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Hemicellulose; galactoglucomannan; plasma surface treatment; vaporphase grafting; benzylation; contact angle; oxygen permeability; solution casting; Cellulose and paper engineering; Cellulosa- och pappersteknik;

    Sammanfattning : Polysaccharides constitute an important source of raw materials for the packaging industry today. Polysaccharides have good natural barrier properties which are necessary for packaging films. Cellulose is the forerunner among renewable polymers for such applications. Hemicelluloses represent a new interesting breed of barrier materials. LÄS MER

  3. 2. Estimation of hydrophobicity of insulating surfaces by studying sessile water drops

    Författare :Marcus Berg; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Materials science; hydrophobicity; contact angle; insulator; water; silicone; image processing; image analysis; Young-Laplace equation; droplet; axisymmetric; Materialvetenskap; Materials science; Teknisk materialvetenskap; Electricity; Esp The Study Of Transients and Discharges; elektricitetslära; ssk studiet av transienter och urladdning;

    Sammanfattning : Today, the traditional insulator materials for high voltage powerlines, i.e. glass and porcelain, are gradually being replaced with new materials, most notably silicone rubber. LÄS MER

  4. 3. Immobilization and Interaction of Biomolecules at the Solid-Liquid Interface : Applications to Solid-Phase Analytical Techniques

    Författare :Ulf Jönsson; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Protein immobilization; silica; Immunoglobulins; Protein A; Fibronectin; chemical-vapour deposition; silane; ellipsometry; radiolabeling; contact-angle measurement; solid-phase analytical techniques;

    Sammanfattning : The development of solid-phase-analytical techniques based on surface-concentration-measuring devices requires a stable and reproducible immobilization of biomolecules on well-characterized solid surfaces. This study reports on the immobilization of Immunoglobulin G, Protein A and Fibronectin on chemically modified silica surfaces. LÄS MER

  5. 4. A flexible resonance sensor system for detection of cancer tissue : evaluation on silicon

    Författare :Anders P. Åstrand; Britt Andersson; Ville Jalkanen; Olof A. Lindahl; Umeå universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : The most common form of cancer among men in Europe and the US is prostate cancer. When a radical prostatectomy has been found necessary, it is of interest to examine the prostate, as tumour tissue on the capsule might indicate that the cancer has metastased. This is commonly done by a microscope-based morphometric investigation. LÄS MER

  7. 5. Surface studies relevant to microbial adhesion and bioflotation of sulphide minerals

    Författare :Prashant K. Sharma; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Mineralteknik; Mineral Processing;

    Sammanfattning : Biomineral beneficiation concerns the way in which microorganisms bring about the enrichment of an ore matrix. It involves the selective removal of undesired mineral constituents from an ore through microbe-mineral interactions in the processes such as selective flotation and flocculation. LÄS MER