Evidence for amino acids in hydrolysates of compounds formed by ionizing radiations

Details Evidence for amino acids in hydrolysates of compounds formed by ionizing radiations Evidence for amino acids in hydrolysates of compounds formed by ionizing radiations

Dec 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977orli....8..371d&link_type=abstract

Origins of Life, Volume 8, Issue 4, pp.371-376

Physics

1

Scientific paper

Dilute, O2-free aqueous cyanides were exposed to multikilorad doses of a radioactive cobalt source. After the removal of unreacted cyanides and of volatile radiolytic products, the residue was ydrolyzed and the resulting material analyzed for amino acids. The results show the presence of five protein amino acids and five amino acids which do not occur in natural proteins. The amino acids of enantiomeric derivatives separated on an optically active column, appeared to consist of approximately equal amounts of D and L isomers. Radiation-chemical yields of amino acids were determined at various radiation doses. The results obtained support the previous findings that the free-radical initiated process is the source of oligomers which on hydrolysis release the amino acids.

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