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The Limited Roles of Autocatalysis and Enantiomeric Cross-Inhibition in Achieving Homochirality in Dilute Systems
Stockholms universitet, Nordiska institutet för teoretisk fysik (Nordita). Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för astronomi. JILA and Laboratory for Atmospheric and Space Physics, USA; Carnegie Mellon University, USA.ORCID-id: 0000-0002-7304-021X
Rekke forfattare: 12019 (engelsk)Inngår i: Origins of life and evolution of the biosphere, ISSN 0169-6149, E-ISSN 1573-0875, Vol. 49, nr 1-2, s. 49-60Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

To understand the effects of fluctuations on achieving homochirality, we employ a Monte-Carlo method where autocatalysis and enantiomeric cross-inhibition, as well as racemization and deracemization reactions are included. The results of earlier work either without autocatalysis or without cross-inhibition are reproduced. Bifurcation diagrams and the dependencies of the number of reaction steps on parameters are studied. In systems with 30,000 molecules, for example, up to a billion reaction steps may be needed to achieve homochirality without autocatalysis.

sted, utgiver, år, opplag, sider
2019. Vol. 49, nr 1-2, s. 49-60
Emneord [en]
DNA polymerization, Enantiomeric cross-inhibition, Origin of homochirality, Revision, 1.46
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Identifikatorer
URN: urn:nbn:se:su:diva-173056DOI: 10.1007/s11084-019-09579-4ISI: 000481414300003PubMedID: 31286343OAI: oai:DiVA.org:su-173056DiVA, id: diva2:1353109
Tilgjengelig fra: 2019-09-20 Laget: 2019-09-20 Sist oppdatert: 2022-03-23bibliografisk kontrollert

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