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An ELDOR study of hydrogen—deuterium exchange reactions in irradiated glycine-d2 crystals

✍ Scribed by L.D. Kispert; K. Chang; T.C.S. Chen

Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
362 KB
Volume
44
Category
Article
ISSN
0009-2614

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✦ Synopsis

ESR and ELDOR studies of glycineill crystals irradiated at -196°C and warmed to 22°C show that the radicaIs CDzCOO-and NHSCDCOO-stable bctwecn -140°C and -40°C undergo irreversible deuterium-hydrogen exchange rcactions above -40°C to form the radicals CHDCOO-and CH$OO-by a step-wise decay of cD2COO-at -32°C and -17°C respcctivcly and to form a mixture of NHSCHCOO-and NH:CDCOO-above -5°C.

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