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  1. 原著論文

Space Exposure of Amino Acids and Their Precursors during the Tanpopo Mission

https://repo.qst.go.jp/records/85277
https://repo.qst.go.jp/records/85277
51f13a24-2177-4592-9100-fbaf6e545b89
Item type 学術雑誌論文 / Journal Article(1)
公開日 2021-12-27
タイトル
タイトル Space Exposure of Amino Acids and Their Precursors during the Tanpopo Mission
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 Kobayashi, Kensei

× Kobayashi, Kensei

WEKO 1028037

Kobayashi, Kensei

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Mita, Hajime

× Mita, Hajime

WEKO 1028038

Mita, Hajime

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Kebukawa, Yoko

× Kebukawa, Yoko

WEKO 1028039

Kebukawa, Yoko

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Nakagawa, Kazumichi

× Nakagawa, Kazumichi

WEKO 1028040

Nakagawa, Kazumichi

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Kaneko, Takeo

× Kaneko, Takeo

WEKO 1028041

Kaneko, Takeo

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Obayashi, Yumiko

× Obayashi, Yumiko

WEKO 1028042

Obayashi, Yumiko

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Tomohito, Sato

× Tomohito, Sato

WEKO 1028043

Tomohito, Sato

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Takuya, Yokoo

× Takuya, Yokoo

WEKO 1028044

Takuya, Yokoo

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Minematsu, Saaya

× Minematsu, Saaya

WEKO 1028045

Minematsu, Saaya

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Fukuda, Hitoshi

× Fukuda, Hitoshi

WEKO 1028046

Fukuda, Hitoshi

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Oguri, Yoshiyuki

× Oguri, Yoshiyuki

WEKO 1028047

Oguri, Yoshiyuki

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Yoda, Isao

× Yoda, Isao

WEKO 1028048

Yoda, Isao

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Satoshi, Yoshida

× Satoshi, Yoshida

WEKO 1028049

Satoshi, Yoshida

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Others

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WEKO 1028050

Others

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Kensei, Kobayashi

× Kensei, Kobayashi

WEKO 1028051

en Kensei, Kobayashi

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Yoko, Kebukawa

× Yoko, Kebukawa

WEKO 1028052

en Yoko, Kebukawa

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Takeo, Kaneko

× Takeo, Kaneko

WEKO 1028053

en Takeo, Kaneko

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Tomohito, Sato

× Tomohito, Sato

WEKO 1028054

en Tomohito, Sato

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Takuya, Yokoo

× Takuya, Yokoo

WEKO 1028055

en Takuya, Yokoo

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Oguri, Yoshiyuki

× Oguri, Yoshiyuki

WEKO 1028056

en Oguri, Yoshiyuki

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Satoshi, Yoshida

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WEKO 1028057

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抄録
内容記述タイプ Abstract
内容記述 Amino acids have been detected in extraterrestrial bodies such as carbonaceous chondrites (CCs), which suggests that extraterrestrial organics could be the source of the first life on Earth, and interplanetary dust particles (IDPs) or micrometeorites (MMs) are promising carriers of extraterrestrial organic carbon. Some amino acids found in CCs are amino acid precursors, but these have not been well characterized. The Tanpopo mission was conducted in Earth orbit from 2015 to 2019, and the stability of glycine (Gly), hydantoin (Hyd), isovaline (Ival), 5-ethyl-5-methylhydantoin (EMHyd), and complex organics formed by proton irradiation from CO, NH3, and H2O (CAW) in space were analyzed by high-performance liquid chromatography and/or gas chromatography/mass spectrometry. The target substances showed a logarithmic decomposition over 1–3 years upon space exposure. Recoveries of Gly and CAW were higher than those of Hyd, Ival, and EMHyd. Ground simulation experiments showed different results: Hyd was more stable than Gly. Solar ultraviolet light was fatal to all organics, and they required protection when carried by IDPs/MMs. Thus, complex amino acid precursors (such as CAW) were possibly more robust than simple precursors during transportation to primitive Earth. The Tanpopo 2 mission is currently being conducted to expose organics to more probable space conditions.
書誌情報 Astrobiology

巻 21, 号 12, p. 1479-1493, 発行日 2021-11
ISSN
収録物識別子タイプ ISSN
収録物識別子 1473-5504
DOI
識別子タイプ DOI
関連識別子 10.1089/ast.2021.0027
関連サイト
識別子タイプ URI
関連識別子 https://www.liebertpub.com/doi/10.1089/ast.2021.0027
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