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Chemistry: Recent submissions
Now showing items 941-960 of 964
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Structural and Biochemical Characterization of the Hemophore (HasAp) From Pseudomonas Aeruginosa
(University of Kansas, 2008-07-23)HasAp is a hemophore which is believed to "steal" heme from hemoglobin in the extracellular medium and deliver the heme to the cognate receptor, HasR for internalization. The mechanism of heme uptake and release mechanism ... -
Phosphate Tethers in Synthesis: The Total Synthesis of Dolabelide C.
(University of Kansas, 2008-07-18)The utilization of phosphate tethers in synthesis is the focus of the dissertation research described herein. Specifically, cross metathesis of various olefin partners with a phosphate tether has been demonstrated. These ... -
Studies on interactions of Sarco/Endoplasmic Reticulum Ca2+-ATPase (SERCA) with anti apoptotic protein Bcl-2.
(University of Kansas, 2008-07-29)Bcl-2 regulates apoptosis by controlling luminal Ca2+ concentration of endoplasmic reticulum (ER). Dremina et al. reported that Bcl-2 interacts with SERCA, the Ca2+ pump in SR/ER membrane, causing inactivation and ... -
Method Development of Characterization of N-linked Glycoproteins in Mass Spectrometry
(University of Kansas, 2008-02-25)Protein glycosylation is one of the most important post-translational modifications, and it is involved in many biological processes, including inter-/intra cell signaling, protein recognition, and receptor binding, etc. ... -
Conformational search of Proteins and Protein Loops
(University of Kansas, 2008-02-26)This thesis focuses on understanding the structure and dynamics of proteins using simulations. The main system of interest in our case was cytochrome b5, an electron transport protein, which exists in both Microsomal and ... -
INVESTIGATIVE PHOTOCHEMISTRY: ELUCIDATING THE MECHANISM OF THE PHOTO-FAVORSKII REARRANGEMENT
(University of Kansas, 2008-04-23)The p-hydroxyphenacyl chromophore (pHP) is a versatile phototrigger for several biological nucleofuges, such as gamma-aminobutyric acid (GABA). The photochemistry is trenchant; irradiation discharges the nucleofuge and ... -
Synthesis and Characterization of Polyamine Bicycles for Anion Binding
(University of Kansas, 2007-10-09)Abstract This thesis details the interaction between anions, such as Br-, Cl-, and F- and a group of familiar Schiff base derived azacryptands. Often these systems are synthesized by tosylating i.e., protecting, the bridging ... -
Development of Analytical Methods Coupled to Microdialysis Sampling for Studying Biomarkers of Oxidative Stress
(University of Kansas, 2007-12-18)This research describes the development of analytical methods based upon separation techniques coupled to microdialysis sampling for the detection of potential biomarkers of oxidative stress. The research focused on two ... -
Synthesis of Sultams and Related Sulfur Heterocycles Using the Ring-Closing Metathesis Reaction
(University of Kansas, 2007-09-19)The use of ring-closing metathesis (RCM) for the construction of small, medium and large rings has become a powerful tool in organic chemistry. The application of this reaction for the construction of sulfur heterocycles ... -
Ligand Design, Coordination and Electrochemistry of Nonbenzenoid Aryl Isocyanides
(University of Kansas, 2007-12-05)Abstract In this work, the strategy for accessing planar chiral isocyanides has been developed and the first member of this family has been isolated in the optically pure form and fully characterized. 2-Methyl-substituted ... -
An automated tracer dispersal system for snow accumulation and saltation transport investigations
(AMER INST PHYSICS, 1998-02)New automated instrumentation to assess detailed spatial and temporal dynamics of snow accumulation and saltation transport of snow in remote, harsh environments is described. The instrumentation and techniques provide ... -
Effects of pulse shape on rf SQUID quantum gates
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2003-06)Effects of control-signal microwave pulse shapes on rf SQUID quantum gates are investigated. It is shown that the gate operations are mainly affected by microwave pulse area and are independent of pulse shape in the weak ... -
Quantum entanglement and controlled logical gates using coupled SQUID flux qubits
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-06)We present an approach to realize universal two-bit quantum gates using two SQUID flux qubits. In this approach the basic unit consists of two inductively coupled SQUIDs with realistic device parameters. Quantum logical ... -
Rapid optimization of working parameters of microwave-driven multilevel qubits for minimal gate leakage
(AMERICAN PHYSICAL SOC, 2005-09-16)We propose an effective method to optimize the working parameters (WPs) of microwave-driven quantum gates implemented with multilevel qubits. We show that by treating transitions between each pair of levels independently, ... -
Laser-beam spatial profile analysis using a two-dimensional photo-diode array
(AMER INST PHYSICS, 1983) -
Kinetic coefficient for hard-sphere crystal growth from the melt
(AMERICAN PHYSICAL SOC, 2006-11-24)Using molecular-dynamics simulation, we determine the magnitude and anisotropy of the kinetic coefficient (mu) for the crystal growth from the melt for the hard-sphere system through an analysis of equilibrium capillary ... -
Microwave-microwave double-resonance using a Fabry-Perot cavity spectrometer
(AMER INST PHYSICS, 1983) -
Picosecond time-resolved laser spectrometer with expanded delay range
(AMER INST PHYSICS, 1988-11) -
Compact hot-nozzle fourier-transform microwave spectormeter
(AMER INST PHYSICS, 1995-11)A newly constructed pulsed nozzle, Fourier-transform microwave spectrometer utilizes a Fabry-Perot cavity consisting of spherical resonators having diameters of only 10 cm. Tests of this very compact-cavity system show ... -
Flowing afterglow apparatus for the study of ion-molecule reactions at high temperatures
(AMER INST PHYSICS, 1996-06)We describe two versions of a high temperature flowing afterglow apparatus. With a stainless steel flow tube wrapped with heating tape we have obtained data over the range 300-1300 K. In a version with a ceramic flow tube ...