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Yoshimura, T.* ; Takano, Y.* ; Naraoka, H.* ; Koga, T.* ; Araoka, D.* ; Ogawa, N.O.* ; Schmitt-Kopplin, P. ; Hertkorn, N. ; Oba, Y.* ; Dworkin, J.P.* ; Aponte, J.C.* ; Yoshikawa, T.* ; Tanaka, S.* ; Ohkouchi, N.* ; Hashiguchi, M.* ; McLain, H.* ; Parker, E.T.* ; Sakai, S.* ; Yamaguchi, M.* ; Suzuki, T.* ; Yokoyama, T.* ; Yurimoto, H.* ; Nakamura, T.* ; Noguchi, T.* ; Okazaki, R.* ; Yabuta, H.* ; Sakamoto, K.* ; Yada, T.* ; Nishimura, M.* ; Nakato, A.* ; Miyazaki, A.* ; Yogata, K.* ; Abe, M.* ; Okada, T.* ; Usui, T.* ; Yoshikawa, M.* ; Saiki, T.* ; Terui, F.* ; Nakazawa, S.* ; Watanabe, S.i.* ; Tsuda, Y.* ; Tachibana, S.* ; Hamase, K.* ; Furusho, A.* ; Fukushima, K.* ; Aoki, D.* ; Glavin, D.P.* ; Mclain, H.L.* ; Elsila, J.E.* ; Graham, H.V.* ; Eiler, J.M.* ; Ruf, A.* ; Orthous-Daunay, F.R.* ; Wolters, C.* ; Isa, J.* ; Vuitton, V.* ; Thissen, R.* ; Sugahara, H.* ; Mita, H.* ; Furukawa, Y.* ; Chikaraishi, Y.* ; Morita, M.* ; Onose, M.* ; Kabashima, F.* ; Fujishima, K.* ; Sato, H.* ; Sasaki, K.* ; Kano, K.* ; Nomura, S.i.M.* ; Aoki, J.* ; Yamazaki, T.* ; Kimura, Y.*

Chemical evolution of primordial salts and organic sulfur molecules in the asteroid 162173 Ryugu.

Nat. Commun. 14:5284 (2023)
Verlagsversion DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Samples from the carbonaceous asteroid (162173) Ryugu provide information on the chemical evolution of organic molecules in the early solar system. Here we show the element partitioning of the major component ions by sequential extractions of salts, carbonates, and phyllosilicate-bearing fractions to reveal primordial brine composition of the primitive asteroid. Sodium is the dominant electrolyte of the salt fraction extract. Anions and NH4+ are more abundant in the salt fraction than in the carbonate and phyllosilicate fractions, with molar concentrations in the order SO42−> Cl−> S2O32−> NO3−> NH4+. The salt fraction extracts contain anionic soluble sulfur-bearing species such as S n-polythionic acids (n < 6), C n-alkylsulfonates, alkylthiosulfonates, hydroxyalkylsulfonates, and hydroxyalkylthiosulfonates (n < 7). The sulfur-bearing soluble compounds may have driven the molecular evolution of prebiotic organic material transforming simple organic molecules into hydrophilic, amphiphilic, and refractory S allotropes.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Korrespondenzautor
Schlagwörter Extraterrestrial Amino-acids; Meteorite; Orgueil; Sulfate; Origin; Matter
ISSN (print) / ISBN 2041-1723
e-ISSN 2041-1723
Zeitschrift Nature Communications
Quellenangaben Band: 14, Heft: 1, Seiten: , Artikelnummer: 5284 Supplement: ,
Verlag Nature Publishing Group
Verlagsort London
Nichtpatentliteratur Publikationen
Begutachtungsstatus Peer reviewed
Institut(e) Research Unit BioGeoChemistry and Analytics (BGC)
Förderungen MEXT | Japan Society for the Promotion of Science (JSPS)