Dokumente Fakultät für Chemie (inkl. GAUSS) nach Gutachter "Troe, Jürgen Prof. Dr."
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Anwendung der Fluoreszenz-Korrelations-Spektroskopie zur Untersuchung dynamischer Prozesse in lebenden Zellen
(2001-05-09)In this thesis the Fluorescence Correlation Spectroscopy (FCS) technique is applied to cell-physiologically relevant reaction and diffusion problems in living cells. In the nucleus as well ... -
Application of Laser Induced Desorption to study Velocity-Resolved Kinetics
(2023-05-04)In this work, I present a new method to measure velocity-resolved kinetics (VRK) of chemical reactions on surfaces. Ultra-fast laser-induced desorption (LID) is utilized as a tool to directly measure coverages of adsorbates. ... -
Aufbau einer HPLC-UV-ESI-MS/MS-Datenbank und ihre Anwendung im Screening arktischer und antarktischer Meeresbakterien
(2005-10-21)Microorganisms from uncommon habitats are an attractive source for chemically and biologically outstanding natural compounds, for the interaction between different species in complex living ... -
Bildgebung und chemische Analytik mit Laserdesorptions-Massenspektrometrie im Bereich Forensik und Astrophysik
(2011-09-16)Laserdesorption is a versatile method and an essential tool in bioanalytical mass spectrometry. In this work it was used for the following distinct topics. The first ... -
Brewsterwinkel-Mikroskopie zur Untersuchung der Kristallisation von Calciumcarbonaten an Modell-Monofilmen an der Grenzfläche Wasser/Luft
(2002-07-17)The remarkable structural diversity and mechanical strength of mineral phases associated with living organism (biominerals) has prompted substantial effort towards synthetically ... -
Cyclisierungsreaktionen mehrfach ungesättigter Systeme - Theorie und Experiment
(2002-07-29)This work brings some order to the great variety of the "cyclizations of polyunsaturated systems". In a first theoretical part, it is shown by means of computational chemistry that a big ... -
Electron Emission from Metastable Carbon Monoxide Molecules at Adsorbate Covered Au(111) Surfaces
(2015-07-09)Understanding the fundamentals of energy transfer between molecules and surfaces is of profound importance in modern chemistry. Here, I investigate an important energy transfer process, electron ... -
Entwicklung, Charakterisierung und Anwendungen nichtthermischer Luft-Plasmajets
(2011-11-29)The main applications for non thermal plasma jets are surface treatments with the purpose of cleaning, activation, modification or coating. For an effective plasma treatment, a high ... -
Experimentelle und theoretische Untersuchungen der Dissoziationen von Tetrafluorethen, Hexafluorpropen und Hexafluorcyclopropan
(2014-07-17)The thermal dissociation reactions of C2F4, C3F6 and c-C3F6 were studied in shock waves monitoring CF2 radicals by their UV absorption.
C2F4: The absorption coefficients as functions of wavelength and temperature ... -
Femtosekunden Photolyse von Diiodmethan in überkritischen Fluiden: Konkurrenz zwischen Photodissoziation und Photoisomerisierung
(2004-01-14)This thesis deals with effects that a dense fluid environment may have on the dynamics of elementary reactions such as competition between reactant escape from a solvent cage and in-cage ... -
Femtosekunden Pump-Probe-Absorptionsspektroskopie zur Untersuchung der intramolekularen Dynamik von ß -Apo-Carotinsäuren und von Patman in verschiedenen Lösungsmitteln
(2012-01-31)Transient absorption spectroscopy was applied in order to record time resolved spectral profiles and time constants of the photokinetics of n'-β-apo-n'-carotenoic acids (n = 10, 12, 14) and ... -
Femtosekunden-Photoelektronenspektroskopie mit extrem ultravioletter Strahlung an Flüssigkeitsgrenzflächen
(2007-11-12)In this work time-resolved photoelectron spectroscopy with femtosecond laser pulses in the extrem ultraviolett has been applied to liquid interfaces for the first time. Thereby laser induced ... -
Femtosekunden-Spektroskopie zur Protontransfer-Dynamik im elektronisch angeregten Zustand von 1.8-Dihydroxy-9.10-Anthrachinon
(2003-10-17)This thesis investigates the connection between the non-radiative relaxation dynamics of 1.8-dihydroxy-9.10-anthraquinone (1.8-DHAQ) and the intramolecular proton-transfer in the first ... -
Generation of H-Atom Pulses and Associative Desorption of Hydrogen Isotopologues from Metal Surfaces
(2018-03-28)Part I of this work introduces a technique for the generation of H-atom pulses with unprecedented time resolution. In part II an extensive study of the associative desorption reaction of hydrogen isotopologues from metal ... -
Kinetik der Reaktionen des Hydroxylradikals mit ungesättigten Kohlenwasserstoffen in einer Lavaldüsenexpansion
(2004-04-06)The investigation of hydroxyl radical reactions with unsaturated hydrocarbons like ethyne, ethylene, propene and isoprene at low temperatures plays a significant role for the understanding ... -
Laserspektroskopische Untersuchungen zur Dynamik von ionischen Flüssigkeiten mit Hilfe molekularer Sonden
(2011-08-24)Ionic liquids have been studied by transient absorption spectroscopy. Relaxation processes after photo excitation of molecular probes were used as an indicator to study the microscopic ... -
Live Cell STED Microscopy using Genetically Encoded Markers
(2009-08-05)Far-field fluorescence microscopy is a tool of outstanding importance in the biological sciences, due to its non-invasiveness especially for the investigation of living cells, tissue and ... -
Molecular mechanisms of AMPA and kainate receptor gating and its implication in synaptic transmission
(2002-11-25)In this work we have studied the biophysical properties of AMPA and kainate receptors, which are found mainly in central synapses. AMPA receptors are thought to be tetrameric in nature. The ... -
Orientation-dependent energy transfer in gas-surface collisions: Scattering of vibrationally excited nitric oxide from Au(111)
(2015-07-14)The work in my thesis is a contribution to the field of chemical dynamics at surfaces. In this field we seek to develop a detailed microscopic understanding of chemical events taking place on surfaces. Progress in ...
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Photoakustische Online-Spektroskopie von Schichten im Nanometer-Bereich
(2014-03-28)Metallic coatings in the nanometer range are widely used in industrial applications like optical, semiconductor or metal industry. The amount and thickness of the coating need to be determined for a stable process and ...