Isotope Chirality and Asymmetric Autocatalysis: A Possible Entry to Biological Chirality |
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Authors: | Béla Barabás Luciano Caglioti Károly Micskei Claudia Zucchi Gyula Pályi |
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Affiliation: | Institute of Stochastics, University of Technology and Economics, Muegyetem rkp. 3 H ép., Budapest, Hungary. |
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Abstract: | Natural-abundance isotopic substitution in isotopically prochiral groups of otherwise achiral molecules can provide stochastically formed enantiomeric excesses which exceed the sensitivity threshold of sensitive asymmetric autocatalytic (Soai-type) reactions. This kind of induction of chirality should be taken into consideration in in vitro model experiments and offer a new kind of entry into primary prebiotic or early biotic enantioselection in the earliest stages of molecular evolution. |
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Keywords: | Autocatalysis Asymmetric Biological chirality Chirality by isotopes Isotopes Natural abundance Soai-reaction |
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