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Displaying 1551 - 1575 of 2084

Local Protein Dynamics and Catalysis: Detection of Segmental Motion Associated With Rate-Limiting Product Release by a Glutathione Transferase

December 24, 2002
Author(s)
S G. Codreanu, Jane E. Ladner, G Xiao, N V. Stourman, D L. Hachey, G L. Gilliland, R N. Armstrong
Glutathione transferase rGSTM1-1 catalyzes the addition of glutathione (GSH) to 1-chloro-2,4-dinitrobenzene in which chemical step of the reaction is 60-fold faster than the physical step of product release. The hydroxyl group of Y115, located in the

Preface to Cavity-Enhanced Spectroscopies

December 1, 2002
Author(s)
Roger D. van Zee, J P. Looney
This submission is an introduction to Cavity-Enhanced Spectroscopy, a book which is to be published by Academic Press.

Binary Diffusion Coefficients for Combustion Modeling

November 30, 2002
Author(s)
William S. McGivern, Jeffrey A. Manion
Recent studies have demonstrated that combustion models can be as sensitive to the binary diffusion coefficients of the fuel species as to the kinetics of major chemical reactions. We have constructed a reversed-flow chromatographic apparatus for the

Radiolytic Dechlorination of Polychlorinated Biphenyls in Transformer Oil and in Marine Sediment

November 1, 2002
Author(s)
M Chaychian, C A. Jones, Dianne L. Poster, Joseph Silverman, Pedatsur Neta, Robert E. Huie, M I. Al-Sheikhly
Radiolytic dechlorination of PCBs in transformer oil and in marine sediments has been studied. At low PCB concentrations, complete degradation of the PCBs in transformer oil was achieved without degradation of the oil. Addition of an organic base

Helical, Disordered, and What that Means: Structural Characterization of a New Series of Methyl 1-Thiaoligo(Ethylene Oxide) Self-Assembled Monolayers

September 1, 2002
Author(s)
David J. Vanderah, J Arsenault, H La, Vitalii I. Silin, Curtis W. Meuse, Richard S. Gates
Self-assembled monolayers (SAMs) of a series of linear thiols containing a 1-thiaoligo(ethylene oxide) [TOEO] moiety, i.e., HS(CH2CH2O)xCH3, where x = 3 - 6, were prepared on polycrystalline gold (Au) and characterized by reflection adsorption infrared

Detection Limit of Isotope Dilution Mass Spectrometry

August 1, 2002
Author(s)
Lee L. Yu, John D. Fassett, William F. Guthrie
The detection limit is an important figure of merit for evaluating instrumentation and analytical methods. While the detection limit for techniques using linear calibration functions has been studied extensively, this fundamental metric has rarely been

Optimizing the Covalent Cationization Method for the Mass Spectrometry of Polyolefins

August 1, 2002
Author(s)
Sheng Lin-Gibson, L Brunner, David L. VanderHart, Barry J. Bauer, B M. Fanconi, Charles M. Guttman, William E. Wallace
Previously a new method was introduced for the mass spectrometry of polyolefins whereby an organic cation is covalently bonded to the polymer to produce the necessary ionization for the creation of intact gas?phase macromolecules by matrix-assisted laser
Displaying 1551 - 1575 of 2084
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