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Cassini radar tracks on Saturn’s icy satellites through the end of the Prime Mission in 2008 have increased the number of radar albedo estimates from 10 (Ostro et al., 2006) to 73. The measurements sample diverse subradar locations (and for Dione, Rhea, and Iapetus almost always use beamwidths less than half the target angular diameters), thereby constraining the satellites’ global radar albedo distributions...
The first comprehensive calibration and mapping of the thermal microwave emission from Titan's surface is reported based on radiometric data obtained at 2.2-cm wavelength by the passive radiometer included in the Cassini Radar instrument. The data reported were accumulated from 69 separate observational segments in Titan passes from Ta (October 2004) through T30 (May 2007) and include emission from...
In order to determine the reactivity characteristics of putative oxalamidine metabolites (monoamidines of oxalic acid or N,N-oxalins), a series of cyclic and acyclic derivatives were synthesized and their reactivities examined. The results indicate that around neutral pH at 37°C oxalamidines are stable to hydrolysis or attack by nucleophiles typical of those that would be encountered physiologically...
The Fourteenth Biennial Conference on Enzyme Mechanisms, organized by C. Dale Poulter (chair), John W. Kozarich, David E. Cane, Rowena G. Matthews, and Christian P. Whitman, was held on January 5-8, 1995 at Scottsdale, Arizona. A total of 21 formal talks covering a broad array of topics in the general areas of enzyme mechanisms and bioorganic chemistry were given. In addition, two poster sessions...
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