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Synthesis of C-13-enriched amino acids with C-13-depleted insoluble organic matter in a formose-type reaction in the early solar system

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Title: Synthesis of C-13-enriched amino acids with C-13-depleted insoluble organic matter in a formose-type reaction in the early solar system
Authors: Furukawa, Yoshihiro Browse this author
Iwasa, Yoshinari Browse this author
Chikaraishi, Yoshito Browse this author →KAKEN DB
Issue Date: 28-Apr-2021
Publisher: The American Association for the Advancement of Science(AAAS)
Journal Title: Science advances
Volume: 7
Issue: 18
Start Page: eabd3575
Publisher DOI: 10.1126/sciadv.abd3575
Abstract: Solvent-soluble organic matter (SOM) in meteorites, which includes life's building molecules, is suspected to originate from the cold region of the early solar system, on the basis of C-13 enrichment in the molecules. Here, we demonstrate that the isotopic characteristics are reproducible in amino acid synthesis associated with a formose-type reaction in a heated aqueous solution. Both thermochemically driven formose-type reaction and photochemically driven formose-type reaction likely occurred in asteroids and ice-dust grains in the early solar system. Thus, the present results suggest that the formation of C-13-enriched SOM was not specific to the cold outer protosolar disk or the molecular cloud but occurred more widely in the early solar system.
Rights: https://creativecommons.org/licenses/by-nc/4.0/
Type: article
URI: http://hdl.handle.net/2115/81777
Appears in Collections:低温科学研究所 (Institute of Low Temperature Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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