Search for dissertations about: "Z Chen"

Found 2 swedish dissertations containing the words Z Chen.

  1. 1. Expression and function of Suppressor of zeste 12 in Drosophila melanogaster

    Author : Sa Chen; Åsa Rasmuson-Lestander; Jan Larsson; Mattias Mannervik; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Epigenetics; histone; polycomb; Drosophila; Suppressor of zeste 12; Genetics; Genetik; genetik; Genetics;

    Abstract : The development of animals and plants needs a higher order of regulation of gene expression to maintain proper cell state. The mechanisms that control what, when and where a gene should (or should not) be expressed are essential for correct organism development. READ MORE

  2. 2. Characterization and Optimization of Silicon-strip Detectors for Mammography and Computed Tomography

    Author : Han Chen; Mats Danielsson; cheng xu; Andrew Maidment; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; mammography; anti-scatter grid; photon-counting; spectral computed tomography; silicon strip; ASIC; energy resolution; Compton scatter; material decomposition; K-edge imaging; Medical Technology; Medicinsk teknologi;

    Abstract : The goal in medical x-ray imaging is to obtain the image quality requiredfor a given detection task, while ensuring that the patient dose is kept as lowas reasonably achievable. The two most common strategies for dose reductionare: optimizing incident x-ray beams and utilizing energy informationof transmitted beams with new detector techniques (spectral imaging). READ MORE