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Showing 1 to 20 of 29 for “"quenching experiments"”.
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Quenching Experiments on Pure Gold and Dilute Gold - Tin and Gold - Silver Alloys
Made available in DSpace on 2015-05-12T21:41:30Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 6503176.PDF: 3638651 bytes, checksum: f9b7bed675add1d6ee7b66e510dcf8c6 (MD5) Previous issue date: 1964
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Quenching experiments on pure gold and dilute gold-tin and gold-silver alloys
Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-04-13T19:35:00Z No. of bitstreams: 1 1964_bass.pdf: 5853528 bytes, checksum: dae034c665a5b352d55c96833abd9fad (MD5)
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Nonequilibrium energy transport in heterogeneous nanoscale semiconductors
… to transient photoluminescence interfacial quenching experiments of CdSe QD thin film interface to measure exciton diffusion length.
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Rapid Solidification and Undercooling of Aluminum-Germanium Alloys: Characterization and Control of Microstructure (Metastability, Metallic Glass, Electron Microscopy)
… affect the nucleation temperatures) during rapid quenching experiments. In this manner it has been shown that certain combinations of phases form over rather specific ranges of undercooling (substrate temperature).
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Photolysis of (Halomethyl)naphthalenes: An Investigation of the Heterolysis and Homolysis of Carbon-Halogen Bonds in (Arylmethyl)halides
… and quantum yield studies, sensitization and quenching experiments, and the technique of transient absorption spectroscopy. Evidence is presented for three modes of heterolytic bond cleavage. The first originates from an excited singlet state, and may be direct or may involve an exciplex …
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Optimization and Applications of Fluorescence anisotropy assays and Fluorescence Resonance Energy Transfer Measurements
… of fluorescence anisotropy (FA) and FRET experiments for CaM-target interactions. First we evaluated the extent of interaction of fluorophores with CaM upon conjugation. In this study, three dyes were tested for influences of their charges on interaction with CaM. We employed time-resolved …
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Estudio del comportamiento fotoquímico y electroquímico de yodoalquenos
… is studied by experimental methods such as quenching experiments, quantum yield determination, luminescence measurement and ion or radical trapping. In chapter 5, a brief overview of the electrochemical behaviour of C-X bond in haloalkenes is shown. The mechanism of electrochemical C-I bond …
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Roles of singlet oxygen and triplet excited state of dissolved organic matter formed by different organic matters in bacteriophage MS2 inactivation
… than 320 nm, was investigated. The results from experiments with synthetic sensitizers Rose Bengal, 3'methoxyacetophenone, and nitrite suggested that singlet oxygen (1O2), triplet excited state of dissolved organic matter (3DOM*), and hydroxyl radicals (•OH) could separately inactivate …
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An ultrasonic study of trapped hydrogen in niobium
… as those found by Hanada in their resistivity quenching experiments, indicating that the quenched-in defect is an OH2 complex. An extension of the model described in Part A is given to account for the relaxation.
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Hybrid optoelectronics with colloidal nanocrystals
… is measured in time resolved luminescence quenching experiments. Retrieval of stored excitations is demonstrated employing a synchronised ultrafast voltage pulse detection scheme.
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Dynamics of oxygen penetration and diffusion into horse skeletal myoglobin revealed by quenching of zinc protoporphyrin IX fluorescence
Oxygen quenching of tryptophan fluorescence in a number of globular proteins provided some of the early experimental evidence for conformational fluctuations in proteins. Gratton et al. (Biophysical J. 1984. 45:789-794) proposed a sequential two step model called the dynamic model for oxygen …
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Impact of retarded spark timing on engine combustion, hydrocarbon emissions, and fast catalyst light-off
… gas enthalpy, and catalyst light-off. Engine experiments were conducted at cold engine conditions for various ignition timings and air/ fuel ratios. Chemical and thermal energy of the exhaust gas was tracked from cylinder-exit to the catalytic converter inlet using a variety of experimental …
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DEVELOPMENT OF BASE METAL-CATALYZED HYDROGEN TRANSFER AND CROSS-COUPLING REACTIONS
… investigated, and several fluorescence quenching experiments allowed us to propose a catalytic cycle.
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Development of Iridium Based Photosensitizer for Potent Photoreductants and Photocatalytic Application
… potential than fac-Ir(ppy)3. Stern-Volmer quenching experiments also support that the new complexes have higher ESP and reducing ability. Chapter 3 describes an expanded photocatalyst library with further modified NacNac ligands. Based on results from Chapter 1, we have prepared a dozen …
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Using Molecular Design to Influence Intermolecular Interactions
… constants were determined by fluorescence quenching experiments with fullerenes C70, C60, and Phenyl-C61-butyric acid methyl ester (PCBM). NMR titration experiments mimic fluorescence quenching results that suggest that association in solution increases with shape-complementarity between …
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Application of Optical Fiber Sensors for Quenching Temperature Measurement
… as well as limitations in measurement, where experiments typically utilize thermocouples for temperature data acquisition. As a result of technological advancement in the field of fiber optics, it is possible to measure the quenching temperature to a much higher degree of precision. Optical …
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Expanded cyclophanes for switchable capture/release of metal complexes
… The spectral results and luminescence quenching experiments indicate the complex between Ru(II)(bpy)3 and receptor is inclusive but off-central. <br/><br/>In chapter 4, the general conclusion of the research projects is given, with some discussion of further development. Chapter 5 …
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Structure-function analysis of 11β-hydroxysteroid dehydrogenase
… of western blot analysis and fluorescence quenching experiments revealed that the binding of 11β-HSD1 to membrane is via both hydrophobic and electrostatic interactions.
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Modeling the Behavior of a Type-319 Aluminum Alloy During Quenching
… Model results are compared to results of quenching experiments performed on cast aluminum beams, including both transient deformation measurements and residual stress measurements obtained by a layer-removal technique. It is found that residual stress is predicted reasonably well by the …
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Preparation, Characterization, and Evaluation of Photocatalytic Properties of a Novel NaNbO3/Bi2WO6 Heterostructure Photocatalyst for Water Treatment
… dye-sensitization effect of RhB itself. Radical quenching experiments revealed that h+ played the predominant role, and O2•- functioned as well to some degree. The produced intermediates during the reaction and RhB degradation pathway were speculated and investigated as well. The excellent …
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