Sökning: "fluorescens."

Visar resultat 1 - 5 av 75 avhandlingar innehållade ordet fluorescens..

  1. 1. Dynamic Chemistry for Asymmetric Synthesis, Molecular Motion and Constitutional Exchange

    Författare :Yansong REN; Licheng Sun; Olof Ramström; Anna Hirsch; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; dynamic chemistry; constitutional dynamic chemistry; motional dynamics; dynamic kinetic resolution; enzyme; subtilisin Carlsberg; Candida antarctica lipase B; anti-HIV; 1; 3-oxathiolane; dynamic exchange; enamines; E Z-isomerization; molecular switches; aggregation; gelation; fluorescence.; dynamisk kemi; konstitutionell dynamisk kemi; molekylär rörelsedynamik; dynamisk kinetisk resolvering; enzym; subtilisin Carlsberg; Candida antarctica lipase B; anti-HIV; 1; 3-oxatiolan; dynamisk utbyte; enaminer; E Z-isomerisering; molekylära omkopplare; aggregering; gelbildning; fluorescens.; Kemi; Chemistry;

    Sammanfattning : Living matter is built on complex dynamic systems consisting of numerus biotransformations. By exploiting the adaptive and evolutive behaviors ofmolecular matter, dynamic chemistry has developed as an important tool tounderstand the organization of nonliving matter into complex living systems. LÄS MER

  3. 2. Bacteria and geochemistry in a former uranium open pit mine - mobilization of trace metals

    Författare :Frida Edberg; Sara J. M. Holmström; Hans Borg; Stephan M. Kraemer; Stockholms universitet; []
    Nyckelord :Pseudomonas fluorescens; siderophore; Ranstad; alum shale; iron; pyrosequencing; redox; size fractionation; NATURAL SCIENCES; NATURVETENSKAP; Applied Environmental Science; tillämpad miljövetenskap;

    Sammanfattning : In mining areas around the world, chemical and biotic processes have lead to the release of toxic substances, e.g. metals. Microbial processes influence metal speciation, while the chemical environment shapes and controls microbial populations. LÄS MER

  4. 3. Microbial mobilisation of Fe and other trace elements in fresh waters: the role of siderophores produced by Pseudomonas fluorescens

    Författare :Frida Edberg; Stockholms universitet; []
    Nyckelord :Environmental science;

    Sammanfattning : .... LÄS MER

  5. 4. Development and application of photofragmentation laser-induced fluorescence for visualization of hydrogen peroxides

    Författare :Olof Johansson; Förbränningsfysik; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Flame diagnostics; Fluorescence lifetime imaging; Hydrogen peroxide; Laser diagnostics; Laser-induced fluorescence; Photofragmentation;

    Sammanfattning : The work presented in this thesis is mainly motivated by the need for an optical diagnostic technique which can be used to visualize hydrogen peroxide (H2O2) in its gas phase. Due to the lack of bound electronic states, H2O2 cannot be detected using laser-induced fluorescence based on electronic excitation. LÄS MER

  7. 5. Applications of laser spectroscopy to analytical chemistry, environmental monitoring and medicine

    Författare :Thomas Johansson; Förbränningsmotorer; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; fluorescence; spectroscopic techniques; fluorescence imaging; capillary electrophoresis; acoustic levitation; remote sensing; interstitial photodynamic therapy; multivariate analysis; Laserteknik; Laser technology; tissue optics; medical imaging; Fysicumarkivet A:2002:Johansson;

    Sammanfattning : In this thesis spectroscopic techniques have been used in the fields of analytical chemistry, environmental and medical applications. In analytical chemistry, laser induced fluorescence was used to image the separation of substances during capillary electrophoresis. LÄS MER