Sökning: "Chromatographic analysis"

Visar resultat 1 - 5 av 112 avhandlingar innehållade orden Chromatographic analysis.

  1. 1. Volatile metabolites from microorganisms in indoor environments : sampling, analysis and identification

    Författare :Anna-Lena Sunesson; Alvin Fox; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Adsorbents; Analysis; Cultivation; Determination; Gas chromatography; Identification; Indicator substances; Indoor air; Mass spectrometry; Metabolites; Microbial volatile organic compounds; Optimization; Sampling; Sick buildings; Thermal desorption; Aspergillus versicolor; Cladosporium cladosporioides; Paecilomyces variotii; Pénicillium commune; Phialophora fastigiata; Streptomyces albidoflavus;

    Sammanfattning : Microorganisms are able to produce a wide variety of volatile organic compounds. This thesis deals with sampling, analysis and identification of such compounds, produced by microorganisms commonly found in buildings. LÄS MER

  3. 2. Early Pottery Use among Hunter-Gatherers around the Baltic Sea

    Författare :Vasiliki Papakosta; Sven Isaksson; Ole Stilborg; Åsa Maria Larsson; Stockholms universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; Early Pottery Use; Hunter-Gatherers; Baltic; Late Mesolithic; Ceramics; Ertebølle; Narva; Early Comb Ware; Lipid Extraction; Lipid Residue Analysis; Molecular Analysis; Stable Carbon Isotope Analysis; Elemental Analysis; Mineralogical Analysis; arkeologi med inriktning mot laborativ arkeologi; Scientific Archaeology;

    Sammanfattning : This thesis aims to provide an understanding of the dynamics underlying the adoption of pottery by pre-agrarian hunter-gatherer cultural groups around the Baltic Sea. The focus is on three approximately contemporaneous early pottery traditions of the region (ca. LÄS MER

  4. 3. Capacitive Biosensor - A Tool for Ultrasensitive Analysis : Application in Clinical Analysis and Process Monitoring

    Författare :Kosin Teeparuksapun; Bioteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Capacitive Biosensor; Ultrasensitive Analysis; Clinical Analysis; Bioprocess Monitoring; Human Serum Albumin; HIV-1 p24; Host Cell Proteins; Protein A; Current Pulse;

    Sammanfattning : Increasing demands for highly sensitive, accurate, fast and portable analytical assays have led to the development of new analytical tools. The integration of highly specific biological sensing elements and appropriate transducers has enabled design of even more efficient biosensor devices for the detection of target substances. LÄS MER

  5. 4. Applications of chemometrics in the analysis and characterization of lipids

    Författare :Peter Kaufmann; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Lipids; analysis; Lipider;

    Sammanfattning : The main topics of this thesis are the analysis and characterizationof lipids and applications of chemometrics in this field.The techniques of experimental design, polynomial model building,response surface methods, principal components analysis and partialleast squares regression have been explored and utilized in thedeveopment and optimization of analytical methods. LÄS MER

  7. 5. Development of analytical methods for the assay of pharmaceuticals using chromatographic separations and determinations in continuous flow systems : analysis of Salazopyrin and dextran

    Författare :Lars Hagel; Uppsala universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP;

    Sammanfattning : .... LÄS MER