Kunihiro, Takuya - OU Author List - OKAYAMA UNIVERSITY SCIENTIFIC ACHIEVEMENT REPOSITORY

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Development of a technique to identify μm-sized organic matter in asteroidal material: An approach using machine learning

FullText URL	fulltext.pdf suppl.pdf
Author	Kumar, Rahul\| Kobayashi, Katsura\| Potiszil, Christian\| Kunihiro, Tak\|
Keywords	Asteroidal material Organic matter Carbonaceous chondrites RyuguImage processing Machine learning Size distribution
Published Date	2025-09
Publication Title	Applied Computing and Geosciences
Volume	volume27
Publisher	Elsevier BV
Start Page	100277
ISSN	2590-1974
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2025 The Authors.
File Version	publisher
DOI	10.1016/j.acags.2025.100277
Web of Science KeyUT	001548912500001
Related Url	isVersionOf https://doi.org/10.1016/j.acags.2025.100277

Lithium- and oxygen-isotope compositions of a Si-rich nebular reservoir determined from chondrule constituents in the Sahara 97103 EH3 chondrite

FullText URL	fulltext.pdf suppl.pdf
Author	Douglas-Song, Torii\| Ota, Tsutomu\| Yamanaka, Masahiro\| Kitagawa, Hiroshi\| Tanaka, Ryoji\| Potiszil, Christian\| Kunihiro, Tak\|
Keywords	Lithium Oxygen Trace elements Chondrule Enstatite chondrite SIMS Sulfidation Silicification
Published Date	2025-07
Publication Title	Geochimica et Cosmochimica Acta
Volume	volume400
Publisher	Elsevier BV
Start Page	51
End Page	71
ISSN	0016-7037
NCID	AA00655038
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2025 The Author(s).
File Version	publisher
DOI	10.1016/j.gca.2025.05.038
Web of Science KeyUT	001502517200002
Related Url	isVersionOf https://doi.org/10.1016/j.gca.2025.05.038

Unraveling the Cr Isotopes of Ryugu: An Accurate Aqueous Alteration Age and the Least Thermally Processed Solar System Material

FullText URL	fulltext.pdf
Author	Tanaka, Ryoji\| Ratnayake, Dilan M.\| Ota, Tsutomu\| Miklusicak, Noah\| Kunihiro, Tak\| Potiszil, Christian\| Sakaguchi, Chie\| Kobayashi, Katsura\| Kitagawa, Hiroshi\| Yamanaka, Masahiro\| Abe, Masanao\| Miyazaki, Akiko\| Nakato, Aiko\| Nakazawa, Satoru\| Nishimura, Masahiro\| Okada, Tatsuaki\| Saiki, Takanao\| Tanaka, Satoshi\| Terui, Fuyuto\| Tsuda, Yuichi\| Usui, Tomohiro\| Watanabe, Sei-ichiro\| Yada, Toru\| Yogata, Kasumi\| Yoshikawa, Makoto\| Nakamura, Eizo\|
Published Date	2024-04-04
Publication Title	The Astrophysical Journal
Volume	volume965
Issue	issue1
Publisher	American Astronomical Society
Start Page	52
ISSN	0004-637X
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2024. The Author(s).
File Version	publisher
DOI	10.3847/1538-4357/ad276a
Web of Science KeyUT	001197227200001
Related Url	isVersionOf https://doi.org/10.3847/1538-4357/ad276a

An investigation of the internal morphology of asbestos ferruginous bodies: constraining their role in the onset of malignant mesothelioma

FullText URL	fulltext.pdf
Author	Avramescu, Maya-Liliana\| Potiszil, Christian\| Kunihiro, Tak\| Okabe, Kazunori\| Nakamura, Eizo\|
Keywords	Asbestos fibre Asbestos body Malignant mesothelioma Asbestos body internal morphology
Published Date	2023-05-08
Publication Title	Particle and Fibre Toxicology
Volume	volume20
Issue	issue1
Publisher	BMC
Start Page	19
ISSN	1743-8977
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© The Author(s) 2023.
File Version	publisher
PubMed ID	37150820
DOI	10.1186/s12989-023-00522-0
Web of Science KeyUT	000983293400001
Related Url	isVersionOf https://doi.org/10.1186/s12989-023-00522-0

Lithium in garnet as a tracer of subduction zone metamorphic reactions: The record in ultrahigh-pressure metapelites at Lago di Cignana, Italy

FullText URL	fulltext.pdf
Author	Bebout, Gray E.\| Ota, Tsutomu\| Kunihiro, Takuya\| Carlson, William D.\| Nakamura, Eizo\|
Published Date	2022-04-22
Publication Title	Geosphere
Volume	volume18
Issue	issue3
Publisher	The Geological Society of America
Start Page	1020
End Page	1029
ISSN	1553-040X
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2022 The Authors
File Version	publisher
DOI	10.1130/GES02473.1
Web of Science KeyUT	000791598400001
Related Url	isVersionOf https://doi.org/10.1130/GES02473.1

Element concentrations of chondrule constituents, supplement to: Tak Kunihiro et al. (2021): The trace element composition of chondrule constituents: Implications for sample return methodologies and the chondrule silicate reservoir. Meteorit Planet Sci

Author	Kunihiro, Tak\| Ota, Tsutomu\| Yamanaka, Masahiro\| Nakamura, Eizo\|
Published Date	2021-05-17
Content Type	Data or Dataset
JaLCDOI	10.18926/61900
FullText URL Alternative	https://dream.misasa.okayama-u.ac.jp/?q=20201021051740-459379\|

Hypervelocity collision and water-rock interaction in space preserved in the Chelyabinsk ordinary chondrite

FullText URL	PJAB95_4_165.pdf
Author	Nakamura, Eizo\| Kunihiro, Tak\| Ota, Tsutomu\| Sakaguchi, Chie\| Tanaka, Ryoji\| Kitagawa, Hiroshi\| Kobayashi, Katsura\| Yamanaka, Masahiro\| Shimaki, Yuri\| Bebout, Gray E.\| Miura, Hitoshi\| Yamamoto, Tetsuo\| Malkovets, Vladimir\| Grokhovsky, Victor\| Koroleva, Olga\| Litasov, Konstantin\|
Keywords	ordinary chondrite chronology geochemistry impact melting asteroid comet
Published Date	2019-04-11
Publication Title	Proceedings of the Japan Academy, Ser. B Physical and Biological Sciences
Volume	volume95
Issue	issue4
Start Page	165
End Page	177
ISSN	0386-2208
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2019 The Japan Academy
File Version	publisher
PubMed ID	30971619
DOI	10.2183/pjab.95.013
Web of Science KeyUT	000470804000002
Related Url	isVersionOf https://doi.org/10.2183/pjab.95.013

Determination of Abundances of Fifty-Two Elements in Natural Waters by ICP-MS with Freeze-Drying Pre-concentration

FullText URL	GGR43_1_147.pdf Fig.pdf
Author	Hoang, Que D.\| Kunihiro, Tak\| Sakaguchi, Chie\| Yamanaka, Masahiro\| Kitagawa, Hiroshi\| Nakamura, Eizo\|
Keywords	pre-concentration freeze-drying ID-IS natural water drinking water
Published Date	2018-10-25
Publication Title	Geostandards and Geoanalytical Research
Volume	volume43
Issue	issue1
Publisher	Wiley
Start Page	147
End Page	161
ISSN	1639-4488
NCID	AA11984494
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
File Version	author
DOI	10.1111/ggr.12245
Web of Science KeyUT	000458275600009
Related Url	isVersionOf https://doi.org/10.1111/ggr.12245

Lithium- and oxygen-isotope compositions of chondrule constituents in the Allende meteorite

FullText URL	GCA252_107.pdf
Author	Kunihiro, Takuya\| Ota, Tsutomu\| Nakamura, Eizo\|
Keywords	Lithium Oxygen Chondrule Chondrite Asteroid Allende Igneous rim SIMS
Published Date	2019-05-01
Publication Title	Geochimica et Cosmochimica Acta
Volume	volume252
Publisher	Elsevier
Start Page	107
End Page	125
ISSN	0016-7037
NCID	AA00655038
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
File Version	author
DOI	10.1016/j.gca.2019.02.038
Web of Science KeyUT	000462774200006
Related Url	isVersionOf https://doi.org/10.1016/j.gca.2019.02.038