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Browse Dissertations and Theses - Chemistry by Title
Now showing items 2875-2894 of 2941
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(1993)Surface Analytical Techniques have been used to probe the structure and surface chemistry of model boundary layer lubricants adsorbed onto single-crystal metal surfaces under ultra-high vacuum conditions. Chapter 3 presents ...
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(1990)Ultrafast flash photolysis is used to investigate the rebinding of carbon monoxide to protoheme (PH), myoglobin at pH = 3 (Mb3), and heme octapeptide (HO) in a glycerol:water (75:25) glass. A new laser system was constructed, ...
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(1990)In a molecular solid, there is an ultrafast transfer of energy between the internal molecular vibrations and the external modes or lattice vibrations. Two interesting examples involving this energy transfer are presented ...
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(2021-04-14)Transient tabletop M-edge x-ray absorption near edge structure (XANES) spectroscopy using extreme ultraviolet (XUV) light is used as a tool to interrogate the evolution of the metal center in a series of transition metal ...
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(2004)A novel experimental technique has been developed for investigating molecular dynamics at a mechanically perturbed metal-liquid interface with picosecond time resolution and Angstrom spatial resolution. Self-assembled ...
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(2019-06-14)Ultrafast femtosecond dynamics of various simple metalloporphryinates (M = Fe3+, Ni2+, Mn3+, Co2+) and a heterobimetallic complex CoMnCl(py3tren) are studied using a homebuilt extreme ultraviolet (XUV) transient absorption ...
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(1992)Picosecond flash photolysis is used to study the recombination of carbon monoxide to protoheme in glycerol:water over ten decades in time (1 ps to 10 ms). The rebinding consists of an initial nonexponential geminate phase ...
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(1993)Ultrafast laser spectroscopy of condensed matter samples containing dyes functioning as molecular optical heaters and optical thermometers is developed. A known amount of heat is deposited in a molecular solid sample and ...
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(2007)A fast vibrational energy transfer across the surfactant layer of AOT reverse micelles has been measured in small AOT reverse micelles (AOT/water/CCl 4). Most of the vibrational energy from nanodroplet water is transferred ...
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(1996)A novel ultrahigh vacuum (UHV) tribometer was used to study the tribological behavior of two Cu(111) surfaces modified by the adsorption of various atomic (sulfur, chlorine, iodine) and molecular (ethanol, trifluoroethanol, ...
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(2014-01-16)This is a comprehensive project for the development of a general method to enhance the sensitivity of DNA aptasensors by coupling them with an isothermal DNA amplification technique known as exponential amplification ...
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(2004)The third part of this work describes a simple laboratory experiment for junior high or high school students that promotes understanding of photolithography, crosslinking density, and the process of photopolymerization, ...
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(2015-07-17)Mechanical action can produce dramatic physical and mechanochemical effects when the energy is spatially or temporally concentrated. An important example of such phenomena in solids is the mechanical initiation of explosions, ...
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(2001)Polymer to diamond-like carbon. Synthesis of a carbon-based network polymer with an sp3 hybridized backbone which upon pyrolysis should yield a diamond-like carbon film. The rational design of an appropriate organic monomer ...
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(2011-05-25)Part I: Porous carbons are of interest in many applications because of their high surface areas and other physicochemical properties, and much effort has been directed towards developing new methods for controlling the ...
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(2009)Within some of the simplest bacteria there exists the prospect of novel natural products with an exciting array of bioactivities. These natural products are assembled by a vast array of enzymes which can transform the ...
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(2018-06-04)The development of sustainable technologies to address the increasing global energy demand, to enable new ways to conserve energy, and to reduce the environmental impact of energy production and consumption is highly ...
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(2018-03-29)Porous organic cages (POCs) have garnered great interest due to their well-defined structural porosity and solution processability that provide advantageous properties for wide ranges of applications. Recently, the feasibility ...
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(2015-04-27)In efforts to decrease the world’s dependence on fossil fuels, renewable energy sources and storage are being actively sought, especially in the transportation sector. The electrification of vehicles hinges on the low cost, ...
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(2005)NAD(P)H regeneration is an industrially important process that supports biocatalytic reactions that utilize these cofactors. PTDH shows promise for NAD(P)H regeneration and was therefore optimized for industrial application. ...
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Now showing items 2875-2894 of 2941