Preliminary organic compound analysis of microparticles returned from Asteroid 25143 Itokawa by the Hayabusa mission

H. Naraoka; H. Mita; K. Hamase; M. Mita; H. Yabuta; K. Saito; K. Fukushima; F. Kitajima; S. A. Sandford; T. Nakamura; T. Noguchi; R. Okazaki; K. Nagao; M. Ebihara; H. Yurimoto; A. Tsuchiyama; M. Abe; K. Shirai; M. Ueno; T. Yada; Y. Ishibashi; T. Okada; A. Fujimura; T. Mukai; M. Yoshikawa; J. Kawaguchi

doi:10.2343/geochemj.1.0134

Preliminary organic compound analysis of microparticles returned from Asteroid 25143 Itokawa by the Hayabusa mission

H. Naraoka^*, H. Mita, K. Hamase, M. Mita, H. Yabuta, K. Saito, K. Fukushima, F. Kitajima, S. A. Sandford, T. Nakamura, T. Noguchi, R. Okazaki, K. Nagao, M. Ebihara, H. Yurimoto, A. Tsuchiyama, M. Abe, K. Shirai, M. Ueno, T. YadaY. Ishibashi, T. Okada, A. Fujimura, T. Mukai, M. Yoshikawa, J. Kawaguchi

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

Microparticles recovered from the Asteroid 25143 Itokawa surface by the Hayabusa mission have been examined for the occurrence of soluble organic compounds. After five individual particles (∼50 to 100 μm in diameter) were rinsed with organic solvents on a diamond plate, two extracts were hydrolyzed with hydrochloric acid for amino acid analysis (AAA), and three extracts were combined for time of flight-secondary ion mass spectrometry (ToF-SIMS) to look for other organic compounds, including polycyclic aromatic hydrocarbons. The organic compounds detected by both methods have the same concentrations as those in blank levels, indicating that indigenous organic compounds are not found in this study. Based on the sensitivities of AAA and ToF-SIMS with the reference sample analyses, the concentrations of indigenous organics in the samples are below part-per-million (ppm), if present.

Original language	English
Pages (from-to)	61-72
Number of pages	12
Journal	Geochemical Journal
Volume	46
Issue number	1
DOIs	https://doi.org/10.2343/geochemj.1.0134
Publication status	Published - 2012
Externally published	Yes

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Naraoka, H., Mita, H., Hamase, K., Mita, M., Yabuta, H., Saito, K., Fukushima, K., Kitajima, F., Sandford, S. A., Nakamura, T., Noguchi, T., Okazaki, R., Nagao, K., Ebihara, M., Yurimoto, H., Tsuchiyama, A., Abe, M., Shirai, K., Ueno, M., ... Kawaguchi, J. (2012). Preliminary organic compound analysis of microparticles returned from Asteroid 25143 Itokawa by the Hayabusa mission. Geochemical Journal, 46(1), 61-72. https://doi.org/10.2343/geochemj.1.0134

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title = "Preliminary organic compound analysis of microparticles returned from Asteroid 25143 Itokawa by the Hayabusa mission",

abstract = "Microparticles recovered from the Asteroid 25143 Itokawa surface by the Hayabusa mission have been examined for the occurrence of soluble organic compounds. After five individual particles (∼50 to 100 μm in diameter) were rinsed with organic solvents on a diamond plate, two extracts were hydrolyzed with hydrochloric acid for amino acid analysis (AAA), and three extracts were combined for time of flight-secondary ion mass spectrometry (ToF-SIMS) to look for other organic compounds, including polycyclic aromatic hydrocarbons. The organic compounds detected by both methods have the same concentrations as those in blank levels, indicating that indigenous organic compounds are not found in this study. Based on the sensitivities of AAA and ToF-SIMS with the reference sample analyses, the concentrations of indigenous organics in the samples are below part-per-million (ppm), if present.",

keywords = "Amino acid analysis, Hayabusa spacecraft, Itokawa, Microparticles, ToF-SIMS analysis",

author = "H. Naraoka and H. Mita and K. Hamase and M. Mita and H. Yabuta and K. Saito and K. Fukushima and F. Kitajima and Sandford, {S. A.} and T. Nakamura and T. Noguchi and R. Okazaki and K. Nagao and M. Ebihara and H. Yurimoto and A. Tsuchiyama and M. Abe and K. Shirai and M. Ueno and T. Yada and Y. Ishibashi and T. Okada and A. Fujimura and T. Mukai and M. Yoshikawa and J. Kawaguchi",

year = "2012",

doi = "10.2343/geochemj.1.0134",

language = "English",

volume = "46",

pages = "61--72",

journal = "Geochemical Journal",

issn = "0016-7002",

publisher = "The Physiological Society of Japan",

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Naraoka, H, Mita, H, Hamase, K, Mita, M, Yabuta, H, Saito, K, Fukushima, K, Kitajima, F, Sandford, SA, Nakamura, T, Noguchi, T, Okazaki, R, Nagao, K, Ebihara, M, Yurimoto, H, Tsuchiyama, A, Abe, M, Shirai, K, Ueno, M, Yada, T, Ishibashi, Y, Okada, T, Fujimura, A, Mukai, T, Yoshikawa, M & Kawaguchi, J 2012, 'Preliminary organic compound analysis of microparticles returned from Asteroid 25143 Itokawa by the Hayabusa mission', Geochemical Journal, vol. 46, no. 1, pp. 61-72. https://doi.org/10.2343/geochemj.1.0134

TY - JOUR

T1 - Preliminary organic compound analysis of microparticles returned from Asteroid 25143 Itokawa by the Hayabusa mission

AU - Naraoka, H.

AU - Mita, H.

AU - Hamase, K.

AU - Mita, M.

AU - Yabuta, H.

AU - Saito, K.

AU - Fukushima, K.

AU - Kitajima, F.

AU - Sandford, S. A.

AU - Nakamura, T.

AU - Noguchi, T.

AU - Okazaki, R.

AU - Nagao, K.

AU - Ebihara, M.

AU - Yurimoto, H.

AU - Tsuchiyama, A.

AU - Abe, M.

AU - Shirai, K.

AU - Ueno, M.

AU - Yada, T.

AU - Ishibashi, Y.

AU - Okada, T.

AU - Fujimura, A.

AU - Mukai, T.

AU - Yoshikawa, M.

AU - Kawaguchi, J.

PY - 2012

Y1 - 2012

N2 - Microparticles recovered from the Asteroid 25143 Itokawa surface by the Hayabusa mission have been examined for the occurrence of soluble organic compounds. After five individual particles (∼50 to 100 μm in diameter) were rinsed with organic solvents on a diamond plate, two extracts were hydrolyzed with hydrochloric acid for amino acid analysis (AAA), and three extracts were combined for time of flight-secondary ion mass spectrometry (ToF-SIMS) to look for other organic compounds, including polycyclic aromatic hydrocarbons. The organic compounds detected by both methods have the same concentrations as those in blank levels, indicating that indigenous organic compounds are not found in this study. Based on the sensitivities of AAA and ToF-SIMS with the reference sample analyses, the concentrations of indigenous organics in the samples are below part-per-million (ppm), if present.

AB - Microparticles recovered from the Asteroid 25143 Itokawa surface by the Hayabusa mission have been examined for the occurrence of soluble organic compounds. After five individual particles (∼50 to 100 μm in diameter) were rinsed with organic solvents on a diamond plate, two extracts were hydrolyzed with hydrochloric acid for amino acid analysis (AAA), and three extracts were combined for time of flight-secondary ion mass spectrometry (ToF-SIMS) to look for other organic compounds, including polycyclic aromatic hydrocarbons. The organic compounds detected by both methods have the same concentrations as those in blank levels, indicating that indigenous organic compounds are not found in this study. Based on the sensitivities of AAA and ToF-SIMS with the reference sample analyses, the concentrations of indigenous organics in the samples are below part-per-million (ppm), if present.

KW - Amino acid analysis

KW - Hayabusa spacecraft

KW - Itokawa

KW - Microparticles

KW - ToF-SIMS analysis

UR - http://www.scopus.com/inward/record.url?scp=84872209196&partnerID=8YFLogxK

U2 - 10.2343/geochemj.1.0134

DO - 10.2343/geochemj.1.0134

M3 - Article

AN - SCOPUS:84872209196

SN - 0016-7002

VL - 46

SP - 61

EP - 72

JO - Geochemical Journal

JF - Geochemical Journal

IS - 1

ER -

Preliminary organic compound analysis of microparticles returned from Asteroid 25143 Itokawa by the Hayabusa mission

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