The radiolysis of tryptophan and leucine with32P β-radiation

Neal E. Blair, William A. Bonner*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


We have extended earlier experiments on the radiolysis of DL-tryptophan using32P β-radiation to longer reaction times, observing complete destruction of the tryptophan by secondary, non-radiolytic processes. We have also undertaken the irradiation of DL-leucine with32P β's at -196°, achieving radiolyses to the extents of ca. 20-30%, but observing no concomittant asymmetric bias. The implications of these observations are discussed with regard to the Vester-Ulbricht mechanism for the origin of optical activity.

Original languageEnglish (US)
Pages (from-to)21-28
Number of pages8
JournalJournal of Molecular Evolution
Issue number1
StatePublished - Mar 1 1980


  • Asymmetric radiolysis
  • Origin of optical activity
  • Vester-Ulbricht Hypothesis
  • β-radiolysis

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Molecular Biology
  • Genetics


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