Sökning: "Miniaturisation"

Visar resultat 11 - 15 av 20 avhandlingar innehållade ordet Miniaturisation.

  1. 11. Amperometric Biosensors for Detection of Analytes in Cellular Models

    Författare :Jaime Castillo Leon; Centrum för analys och syntes; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Analytical chemistry; Simultaneous detection; Bienzyme electrode; Amperometric biosensors; Cellular models; Analytisk kemi; Electrochemistry; Elektrokemi;

    Sammanfattning : Various biological problems such as disease mechanisms, drug development and toxicological studies motivated the introduction of cellular models that today also represent an alternative for reducing the use of animals in controversial medical and pharmaceutical experiments. Cells are complex matrices where several processes occur simultaneously. LÄS MER

  3. 12. Microstructures for Chemical Analysis : Design, Fabrication and Characterisation

    Författare :Malin Svedberg; Fredrik Nikolajeff; Greger Thornell; Jan-Åke Schweitz; Sami Franssila; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Materials science; electrospray ionisation mass spectrometry; polymer microfabrication; paraffin actuators; hot embossing; Materialvetenskap; Materials science; Teknisk materialvetenskap;

    Sammanfattning : The interest for miniaturisation in chemical and biological analysis has increased in recent years. In this work, the design, fabrication and characterisation of tools for microanalysis have been studied. The focus is set on polymer microchips for applications in chemical analysis. LÄS MER

  4. 13. Silicon and Quartz Microengineering : Processing and Characterisation

    Författare :Örjan Vallin; Peter Enoksson; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Engineering physics; silicon; quartz; microengineering; microstructure; MEMS; wafer bonding; direct bonding; adhesion quantification; Teknisk fysik; Engineering physics; Teknisk fysik;

    Sammanfattning : Microengineering has developed a broad range of production techniques to reduce size, increase throughput, and reduce cost of electrical and mechanical devices. The miniaturisation has also entailed entirely new opportunities. LÄS MER

  5. 14. Microfluidic biosensing systems based on enzymes, antibodies and cells

    Författare :Richard Davidsson; Centrum för analys och syntes; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Analytical chemistry; Analytisk kemi; chemiluminescence; immobilization; cell; antibody; enzyme; miniaturization; Microfluidic; microchip;

    Sammanfattning : The rapid developments within the life science and biotechnology areas put up ever-new demands on more sophisticated techniques and methods for chemical and biological analysis to reach deeper insight into the events at molecular level. Miniaturisation of assays and systems on microchips is one way to increase throughput and advance through parallel analysis lines, multiplexing and integration. LÄS MER

  7. 15. Microsensors for in situ electron microscopy applications

    Författare :Alexandra Nafari; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; capacitive read-out; Microsensors; In situ TEM; TEM-AFM; TEM-Nanoindenter; AFM; nanoscale characterisation; MEMS; Nanoindentation; piezoresistive read-out;

    Sammanfattning : With the ongoing miniaturisation of devices, the interest in characterising nanoscale physical properties has strongly increased. To further advance the field of nanotechnology new scientific tools are required. LÄS MER