Sökning: "stopped flow"

Visar resultat 1 - 5 av 45 avhandlingar innehållade orden stopped flow.

  1. 1. Peroxyoxalate Chemiluminescence for Miniaturized Analytical Flow Systems

    Författare :Tobias Jonsson; Umeå universitet; []
    Nyckelord :peroxyoxalate; chemiluminescence; nucleophilic catalysis; non-nucleophilic base; imidazole; triazole; aminopyridine; miniaturized; flow system; capillary electrophoresis; multivariate; analytisk kemi; Analytical Chemistry;

    Sammanfattning : This thesis deals with the peroxyoxalate chemiluminescence (POCL) reaction and its application as a detection technique in flow systems for chemical analysis. Particularly, miniaturized flow systems aimed for separation of molecules. LÄS MER

  3. 2. Surface tension-driven flow in soft porous materials — An investigation of the mechanism of capillary flow in microchannels of hydrogels

    Författare :Johanna Andersson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; wetting on soft materials; Capillary flow; alginate gel; capillary action;

    Sammanfattning : Spontaneous spreading of liquids in porous materials is of great industrial relevance and occurs in, for example, diapers, fabrics, paper or paint. Often, it is necessary to manipulate the spreading rate of liquids to result in the desired mass transport, for example to soak up large liquid volumes, as in a diaper. LÄS MER

  4. 3. Major Intrinsic Proteins - Structure, function, interactions

    Författare :ANDREAS KIRSCHT; Biokemi och Strukturbiologi; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Aquaporin; membrane proteins; crystallography; stopped-flow; molecular dynamics; structure modeling;

    Sammanfattning : Major intrinsic proteins, also referred to as aquaporins (AQPs) are localized in membranes of all domains of life to increase the permeability to water or other small, polar molecules. Several monophyletic groups can be discerned in this large and divergent protein superfamily. LÄS MER

  5. 4. Formation and Decomposition of Platinum–Thallium Bond, Kinetics and Mechanism. Structural Characterization of Some Metal Cyanides in the Solid State

    Författare :Péter Nagy; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; metal–metal bond; platinum; thallium; kinetics; mechanism; stopped flow; oxidative addition; cyano complexes; edta; redox reaction; metal cyanides; X–ray diffraction; Raman; NMR; mercury; palladium; nickel; one dimensional wire;

    Sammanfattning : The kinetic and mechanistic features of a new series ofplatinum-thallium cyano compounds containing a direct andunsupported by ligands metal-metal bond have been studied insolution, using standard mix–and–measurespectrophotometric technique and stopped–flow method.These reactions are interpreted as oxidative addition of the cspecies to the square planar Pt(CN)42-complex. LÄS MER

  7. 5. Equilibrium and Kinetic Studies of the Binding of DNA to Cationic Liposomes

    Författare :Paula Barreleiro; Fysikalisk kemi; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Small-Angle Neutron Scattering; Fluorescence; Kinetics; Stopped-Flow; Differential Scanning Calorimetry; Titration Calorimetry; Gel-to-Liquid Crystalline Phase Transition; Lamellar phase; Lipolexes; DNA; Liposomes; Cryo-TEM; Physical chemistry; Fysikalisk kemi;

    Sammanfattning : The objective of this work was to study the formation of DNA-cationic vesicle complexes (lipoplexes). These complexes are interesting not only from a fundamental point of view but also as promising candidates for gene therapy. The approach taken was to study first the cationic vesicles by themselves. LÄS MER