Literature DB >> 7231980

Investigations of electron helicity in optically active molecules using polarized beams of electrons and positrons.

D W Gidley, A Rich, J C Van House, P W Zitzewitz.   

Abstract

We will discuss one possible correlation between the origin of optical activity in biological molecules and the helicity of beta particles emitted in nuclear beta decay. This correlation is based on the supposition of Hrasko and Garay that electrons in optically active molecules possess helicity. Positronium formation experiments are significantly more sensitive to this particular effect than radiolysis experiments although no experiments of any type to date have obtained the sensitivity that our preliminary calculations indicate is necessary. We discuss a new experiment in which positronium is formed in vacuum with a low energy polarized positron beam. An improvement of up to 10(4) in sensitivity to the effect is possible.

Mesh:

Year:  1981        PMID: 7231980     DOI: 10.1007/bf00927996

Source DB:  PubMed          Journal:  Orig Life        ISSN: 0302-1688


  4 in total

1.  Annihilation of positrons in D and L isomers of various amino acids.

Authors:  A Rich
Journal:  Nature       Date:  1976-12-02       Impact factor: 49.962

2.  Asymmetric degradation of DL-leucine with longitudinally polarised electrons.

Authors:  W A Bonner; M A Van Dort; M R Yearian
Journal:  Nature       Date:  1975-12-04       Impact factor: 49.962

3.  Origin of asymmetry in biomolecules.

Authors:  A S Garay; L Keszthelyi; I Demeter; P Hrasko
Journal:  Nature       Date:  1974-07-26       Impact factor: 49.962

4.  Search for selectivity between optical isomers in reactions of polarised positive muons with alanines and octanols.

Authors:  R M Lemmon; K M Crowe; F N Gygax; R F Johnson; B D Patterson; J H Brewer; D G Fleming
Journal:  Nature       Date:  1974-12-20       Impact factor: 49.962

  4 in total
  1 in total

Review 1.  The origin and amplification of biomolecular chirality.

Authors:  W A Bonner
Journal:  Orig Life Evol Biosph       Date:  1991       Impact factor: 1.950

  1 in total

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