Chirality amplification--the accumulation principle revisited

The chirality amplification mechanism proposed by Yamagata in 1966, relying on an Accumulation Principle which involved the parity violating energy difference (1 + epsilon) presumed to be operative at each step in the formation of a homochiral biopolymer, is briefly surveyed historically. The Accumu...

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Bibliographic Details
Published inOrigins of life and evolution of biospheres Vol. 29; no. 6; pp. 615 - 624
Main Author Bonner, W A
Format Journal Article
LanguageEnglish
Published Netherlands Springer Nature B.V 01.12.1999
Subjects
Accumulation
Biophysics
Biopolymers
Biopolymers - chemistry
Chirality
Crystallization
Crystals
Kinetics
Models, Chemical
Polymerization
Polymers
Stereoisomerism
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Summary:The chirality amplification mechanism proposed by Yamagata in 1966, relying on an Accumulation Principle which involved the parity violating energy difference (1 + epsilon) presumed to be operative at each step in the formation of a homochiral biopolymer, is briefly surveyed historically. The Accumulation Principle is then examined analytically and found to be incapable of producing a unique homochiral polymer in any realistic polymerization process. The extension of the Accumulation Principle to crystallizations which afford enantiomorphic crystals is also scrutinized and found to be misapplied and invalid.
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ISSN:0169-6149
1573-0875
DOI:10.1023/A:1006646021670