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Visar resultat 16 - 20 av 65 avhandlingar som matchar ovanstående sökkriterier.

  1. 16. Optical projection tomography based 3D-spatial and quantitative assessments of the diabetic pancreas

    Författare :Tomas Alanentalo; Ulf Ahlgren; Raphael Scharfmann; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Nkx; development; optical projection tomography; 3D visualisation; pancreas; beta-cell mass; insulitis; diabetes; Cell and molecular biology; Cell- och molekylärbiologi;

    Sammanfattning : The gastrointestinal tract comprises a number of digestive organs including the stomach and pancreas. The stomach is involved in the digestion and short term storage of food while the pancreas is a mixed endocrine and exocrine gland which provides the body with hormones and enzymes essential for nutritional utilisation. LÄS MER

  3. 17. Towards a new sensing strategy for measuring paper pulp properties : a combination of ultrasonic and optical measurement techniques

    Författare :Jan Niemi; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Industrial Electronics; Industriell elektronik;

    Sammanfattning : In the manufacturing process of paper the mass fraction and material properties of the fibres in the pulp suspension are important for the strength and quality of the finished product. The properties of the fibres in the pulp suspension that enters the paper machine is not well understood and therefore an adequate prediction of the strength and quality of the finished paper is not possible. LÄS MER

  4. 18. Single-Molecule Detection and Optical Scanning in Miniaturized Formats

    Författare :Jonas Melin; Fredrik Nikolajeff; Mats Nilsson; Hugh Fan; Uppsala universitet; []
    Nyckelord :Biotechnology; microfluidics; single-molecule detection; MOEMS; μTAS; lab-on-a-chip; RCA; thermoplastics; injection molding; hot embossing; Bioteknik;

    Sammanfattning : In later years polymer replication techniques have become a frequently employed fabrication method for microfluidic and micro-optical devices. This thesis describes applications and further developments of microstructures replicated in polymer materials. LÄS MER

  5. 19. Probabilistic Analysis of the EPR-Bohm Experiment

    Författare :Guillaume ADENIER; Växjö universitet; []
    Nyckelord :EPR-Bohm Experiment; Bell s theorem; Local Realism; Fair Sampling;

    Sammanfattning : Bell's Theorem was developed on the basis of considerationsinvolving a linear combination of spin correlation functions, eachof which has a distinct pair of arguments. The simultaneouspresence of these different pairs of arguments in the sameequation is investigated, and the implicit counterfactualassumption in Bell's theorem is discussed. LÄS MER

  7. 20. Volatile Hydrocarbons in Ambient Air. Gas Chromatographic Assessment, Emissions and Human Exposure

    Författare :Gunnar Barrefors; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; adsorbent sampling; 1; gas chromatography; biomass burning; Benzene; ethene; vehicle emissions; urban air; tobacco smoke; 3-butadiene;

    Sammanfattning : Hydrocarbons in ambient air constitute a potential health risk for a large number of individuals. The work reported in this thesis focusses on human exposure to volatile hydrocarbons in ambient air. The analytical determinations were made by adsorbent sampling followed by thermal desorption and gas chromatography. LÄS MER