The Earth atmosphere-like bulk nitrogen isotope composition obtained b ystepwise combustion analyses of Ryugu return samples. [Meteoritics & Planetary Science,  https://doi.org/10.1111/maps.14175] Ko Hashizume, Akizumi Ishida,,,,+28 Authors in Hayabusa2 Initial Analysis Volatile Team. 

Atmospheric formaldehyde production on early Mars leading to a potential formation of bio-important molecules [Scientific Reports 14, article number 2397] 

Shungo Koyama, Arihiro Kamada, Yoshihiro Furukawa, Naoki Terada, Yuki Nakamura, Tatsuya Yoshida, Takeshi Kuroda, Ann Carine Vandaele [プレスリリース]

Hexose phosphorylation for a non-enzymatic glycolysis and pentose phosphate pathway on early Earth [Scientific Reports 14, article number 264] 

Yuta Hirakawa, Takeshi Kakegawa, Yoshihiro Furukawa

Comparison of δ13C analyses of individual foraminifer (Orbulina universa) shells by secondary ion mass spectrometry and gas source mass spectrometry. [Rapid Communications in Mass Spectrometry, 38(2):e9658] 

Jody B. Wycech, Daniel Clay Kelly, Reinhard Kozdon, Akizumi Ishida, Kouki Kitajima, Howard J. Spero, John W. Valley

Abiotic formation of ribose 5'-phosphate from ribose and apatite with carbonate- and formate-rich solutions. [Geochemical Journal, 57(5), 134-142] 

Masaya Takabayashi, Yuta Hirakawa, Takeshi Kakegawa, Yoshihiro Furukawa

The noble gas and nitrogen relationship between Ryugu and carbonaceous chondrites. [Geochimica et Cosmochimica Acta, 345,62-74] 

Broadley M.W. ,,, Akizumi Ishida, (37th author),,,+61 authors.

Microscale simultaneous measurement of carbon and nitrogen isotopes on natural diamond. [Geostandards and Geoanalytical Research, doi.org/10.1111/ggr.12485]

Akizumi Ishida, Kouki Kitajima, Ko Hashizume, Michael J. Spicuzza, Alexander Zaitsev, Daniel J. Schulze, John W. Valley.

High mobility of asteroid particles revealed by measured cohesive force of meteorite fragments. [Science Advances, add3530]

Yuuya Nagaashi, Akiko M. Nakamura. [プレスリリース]

Quantitative analysis of calcium oxalate monohydrate and dihydrate for elucidating the formation mechanism of calcium oxalate kidney stones. [Plos One, 18(3): e0282743] Mihoko Maruyama, Koichi P. Sawada,Yutaro Tanaka,Atsushi Okada,Koichi Momma,Masanori Nakamura,Ryota Mori,Yoshihiro Furukawa,Yuki Sugiura,Rie Tajiri,Kazumi Taguchi,Shuzo Hamamoto,Ryosuke Ando,Katsuo Tsukamoto,Kazufumi Takano,Masayuki Imanishi,Masashi Yoshimura,Takahiro Yasui,Yusuke Mori

Distributions of CHN compounds in meteorites record organic syntheses in the early solar system. [Scientific Reports, 6683] Yoshihiro Furukawa, Daisuke Saigusa, Kuniyuki Kano, Akira Uruno, Ritsumi Saito, Motoo Ito, Megumi Matsumoto, Junken Aoki, Masayuki Yamamoto & Tomoki Nakamura.

Boron-assisted abiotic polypeptide synthesis. [Communications Chemistry, 6, 89] Yuki Sumie, Keiichiro Sato, Takeshi Kakegawa & Yoshihiro Furukawa. [プレスリリース]

Identifying the wide diversity of extraterrestrial purine and pyrimidine nucleobases in carbonaceous meteorites. [Nature Communications, 13, Article number 2008]  プレスリリース

Yasuhiro Oba, Yoshinori Takano, Yoshihiro Furukawa, Toshiki, Koga, Daniel P. Glavin, Jason P. Dworkin & Hiroshi Naraoka.

Mineralogical and genomic constraints on the origin of microbial Mn oxide formation in complexed microbial community at the terrestrial hot spring. [Life, 12(6)]

Yuya Tsukamoto and Takeshi Kakegawa

Borate-guided ribose phosphorylation for prebiotic nucleotide synthesis. [Scientific Reports, 12, Article number: 11828] プレスリリース

Yuta Hirakawa, Takeshi Kakegawa, Yoshihiro Furukawa

Evolutionary diversification of paleoproterozoic prokaryotes: New microfossil records in 1.88 Ga Gunflint Formation. [Precambrian Research vol.380, 15, 106789], プレスリリース

Kohei Sasaki, Akizumi Ishida, Naoto Takahata, Yuji Sano, Takeshi Kakegawa

Noble gases and nitrogen in samples of asteroid Ryugu record its volatile sources and recent surface evolution. [Science eabo0431. DOI: 10.1126/science.abo0431], プレスリリース

Ryuji Okazaki,, Akizumi Ishida (15th author),, +122 authors

First asteroid gas sample delivered by the Hayabusa2 mission: A treasure box from Ryugu. [Science Advances 8,eabo7239. DOI: 10.1126/sciadv.abo7239]，プレスリリース

Ryuji Okazaki,, Akizumi Ishida(11th author),, +123  authors

Multicolor imaging of calcium-binding proteins in human kidney stones for elucidating the effects of proteins on crystal growth. [Scientific Reports, 11, Article number 16841]  東北大学プレスリリース

Yutaro Tanaka, Mihoko Maruyama, Atsushi Okada, Yoshihiro Furukawa, Koichi Momma, Yuki Sugiura, Rie Tajiri, Koichi P. Sawada, Shunichi Tanaka, Kazufumi Takano, Kazumi Taguchi, Shuzo Hamamoto, Ryosuke Ando, Katsuo Tsukamoto, Masashi Yoshimura, Yusuke Mori & Takahiro Yasui 

Analytical protocols for Phobos regolith samples returned by the Martian Moons eXploration (MMX) mission. [Earth, Planets and Space, 73, Article number 120]

Wataru Fujiya, Yoshihiro Furukawa, Haruna Sugahara, Mizuho Koike, Ken-ichi Bajo, Nancy L. Chabot, Yayoi N. Miura, Frederic Moynier, Sara S. Russell, Shogo Tachibana, Yoshinori Takano, Tomohiro Usui & Michael E. Zolensky 

Experimental investigation of the formation of formaldehyde by Hadean and Noachian impacts. [Astrobiology, vol. 21(4), 413-420]

Saeka Masuda, Yoshihiro Furukawa, Takamichi Kobayashi, Toshimori Sekine, and Takeshi Kakegawa

Synthesis of 13C-enriched amino acids with 13C-depleted insoluble organic matter in a formose-type reaction in the early solar system. [Science Advances, 7, (2021), eabd3575-]

Yoshihiro Furukawa, Yoshinari Iwasa, Yoshito Chikaraishi

Airfall on Comet 67P/Churyumov–Gerasimenko. [Icarus, 354, (2021), 114004]　

Björn J.R. Davidsson, Samuel Birch, Geoffrey A. Blake, Dennis Bodewits, Jason P. Dworkin, Daniel P. Glavin, Yoshihiro Furukawa, Jonathan I. Lunine, Julie L. Mitchell, Ann N. Nguyen, Steve Squyres, Aki Takigawa, Jean-Baptiste Vincent, Kris Zacny

Aqueous alteration without initial water: possibility of organic-induced hydration of anhydrous silicates in meteorite parent bodies. [Earth, Planets and Space, 73, (2021), 16-]

Naoki Hirakawa, Yoko Kebukawa, Yoshihiro Furukawa, Masashi Kondo, Hideyuki Nakano, Kensei Kobayashi

Decompression experiments for sulfur-bearing hydrous rhyolite magma: Redox evolution during magma decompression. [American Mineralogist, 106, (2021), 216-225] Satoshi Okumura, Hidemi Ishibashi, Shoichi Itoh, Akimasa Suzumura, Yoshihiro Furukawa, Takahiro Miwa, Hiroyuki Kagi

Influence of normal tide and the Great Tsunami as recorded through hourly-resolution micro-analysis of a mussel shell. [Scientific Reports, (2021)11, Article number: 19874] Sano Y., Okumura T., Sugihara  MN., Tanaka K., Kagoshima T., Ishida A., Hori M., Snyder G.T., Takahata N., Shirai K. 

Extraterrestrial hexamethylenetetramine in meteorites—a precursor of prebiotic chemistry in the inner solar system. [Nature Communications, 11(1), (2020)]

Yasuhiro Oba, Yoshinori Takano, Hiroshi Naraoka, Yoshihiro Furukawa, Daniel P. Glavin, Jason P. Dworkin, Shogo Tachibana

Impact-induced amino acid formation on Hadean Earth and Noachian Mars. [Scientific Reports, (2020), 9220-]

Takeuchi Y., Furukawa Y., Kobayashi T., Sekine T., Terada N. & Kakegawa T.

The importance of Phobos sample return for understanding the Mars-Moon system. [ Space Science Reviews, (2020)]

Usui T., Bajo K., Fujiya W., Furukawa Y., Koike M., Miura Y., Sugahara H., Tachibana S., Takano Y., Kuramoto K.,

Geochemical and mineralogical studies of ca.12 Ma hydrothermal manganese-rich rocks in the Hokuroku district in Japan. [Ore Geology Reviews, 121, (2020)]

Tsukamoto Y., Nonaka K., Ishida A., Kakegawa T.

Large isotopic variability at the micron-scale in ‘Shuram’ excursion carbonates from South Australia. [Earth and Planetary Science Letters, 538, (2020)]

Husson J.M., Linzmeier B.J., Kitajima K., Ishida A., Maloof A.C., Schoene B., Peters S.E. and Valley J.W.

隕石からRNAの材料となる糖を検出.[化学,75, (2020)]

古川善博

炭素同位体比測定によって確認された隕石に含まれる糖の存在.[Isotope News,771, (2020), 32-]

古川善博

Extraterrestrial ribose and other sugars in primitive meteorites. [ Proceedings of the National Academy of Sciences USA, 116, (2019), 24440-24445]

Furukawa Y., Chikaraishi Y., Ohkouchi N., Ogawa N.O., Glavin D.P., Dworkin J.P., Abe C., and Nakamura T.

Exposure experiments of amorphous silicates and organics to cometary ice and vapor analogs. [The Astrophysical Journal, 881, (2019), 27-]

Takigawa A, Furukawa Y, Kimura Y, Davidsson B, and Nakamura T.

STXM-XANES analyses of Murchison meteorite samples captured by aerogel after hypervelocity impacts: A potential implication of organic matter degradation for micrometeoroid collection experiments. [Geochemical Journal, 53(1), (2019), 53-67]

Yoko Kebukawa, Kyoko Okudaira, Hikaru Yabuta, Sunao Hasegawa, Makoto Tabata, Yoshihiro Furukawa, Motoo Ito, Aiko Nakato, A. L. David Kilcoyne, Kensei Kobayashi, Shin-ichi Yokobori, Eiichi Imai, Yuko Kawaguchi, Hajime Yano, Akihiko Yamagishi

生命の起源と進化の地球化学：太古代の生命の痕跡をめぐる研究と近年の研究について.[極限環境生物学会誌,(17), (2019), 69-76]

石田　章純

SPECTRAL AND WATER ANALYSIS OF EXPERIMENTALLY HEATED TAGISH LAKE AND CR CARBONACEOUS CHONDRITES WITH NO EFFECTS OF ADSORBED AND REHYDRATED WATER. [METEORITICS & PLANETARY SCIENCE, 53, (2018), 6309]

Kana Amano, Kaoru Mogi, Tomoki Nakamura, Moe Matsuoka, Yoshihiro Furukawa, Satoshi Okumura

Hydrogen isotope analysis of microscale apatite inclusions in Archaean zircon grains. [Geochemical Journal, 52, (2018), 457-466]

Ishida A., Koike M., Takahata N., Morita T., David J., Pinti D.L., Sano Y.

Thermal and impact histories of 25143 Itokawa recorded in Hayabusa particles. [Scientific Reports, 8, (2018)]

Terada K., Sano Y., Takahata N., Ishida A., Tsuchiyama A., Nakamura T., Noguchi T., Karouji Y., Uesugi M., Yada T., Nakabayashi M., Fukuda K., Nagahara H.

Growth and formation of statoliths in Aurelia coerulea examined by using 34S- and Sr-labels. [Journal of Plankton Research,40(5), (2018),619-626]

Toyokawa M., Shirai K., Ishida A., Takahata N., Sano Y.

Simultaneous In Situ Analysis of Carbon and Nitrogen Isotope Ratios in Organic Matter by Secondary Ion Mass Spectrometry. [Geostandards and Geoanalytical Research,42(2), (2018), 189-203]

Akizumi Ishida, Kouki Kitajima, Kenneth H. Williford, Michael L. Tuite, Takeshi Kakegawa, John W. Valley

Lithospheric architecture and tectonic evolution of the southwestern U.S. Cordillera: Constraints from zircon Hf and O isotopic data. [GSA Bulletin, (2018)]

Chapman J.B., Dafov M.N., Gehrels G., Ducea M.N., Valley J.W., Ishida A.

Searching for the great oxidation event in North America: A reappraisal of the Huronian Supergroup by SIMS sulfur four-isotope analysis. [Astrobiology, 18(5), (2018)]

Cui H., Kitajima K., Spicuzza M.J., Fournelle J.H., Ishida A., Brown P.E., Valley J.W.

Chamber formation and trace element distribution in the calcite walls of laboratory cultured planktonic foraminifera (Globogerina bullies and Globigerinoides ruber). [Marine Micropaleontology, 140, (2018), 46-55]

Hori M., Shirai K., Kimoto K., Kurasawa A., Tahagi H., Ishida A., Takahata N., Sano Y.

Questioning the biogenicity of Neoproterozoic superheavy pyrite by SIMS. [American Mineralogist, (2018)]

Cui H., Kitajima K., Spicuzza M.J., Fournelle J.H., Ishida A., Denny, A., Zhang, F., Valley, J.W. 

Microbial diversity and iron oxidation at Okuoku-hachikurou Onsen, a Japanese hot spring analog of Precambrian iron formations. [GEOBIOLOGY,15(6),(2017),817-835]

L. M. Ward, A. Idei, S. Terajima, T. Kakegawa, W. W. Fischer, S. E. McGlynn

Borate and the Origin of RNA: A Model for the Precursors to Life. [Elements, 13(4), (2017), 261-265] 

Yoshihiro Furukawa, Takeshi Kakegawa

DEHYDRATION PROCESS OF EXPERIMENTALLY HEATED MURCHISON WITHOUT ANY EFFECTS OF ADSORBED AND REHYDRATED WATER. [METEORITICS & PLANETARY SCIENCE, 52, (2017), A240]

Kaoru Mogi, Sayuri Yamashita, Tomoki Nakamura, Moe Matsuoka, Satoshi Okumura, Yoshihiro Furukawa

Temperature-induced oligomerization of polycyclic aromatic hydrocarbons at ambient and high pressures. [Scientific Reports, 7, (2017), 7889-]

Chanyshev A. D., Litasov K. D., Furukawa Y., Kokh K. A. Shatskiy A. F.

Effects of glycine, water, ammonia, and ammonium bicarbonate on the oligomerization of methionine. [Origins of Life and Evolution of Biospheres, 47, (2017), 145-160]

Huang R., Furukawa Y., Otake T., Kakegawa T.

Racemization of Valine by Impact-Induced Heating. [Origins of Life and Evolution of Biospheres, (2017)]

Furukawa Y., Takase A.,　Sekine T., Kakegawa T., Kobayashi T.

Adsorption of RNA on mineral surfaces and mineral precipitates. [Beilstein Journal of Organic Chemistry, 13, (2017), 383-404]

Biondi E., Furukawa Y., Kawai J., Benner S. A.

SIMS Bias on Isotope Ratios in Ca‐Mg‐Fe Carbonates (Part III): δ18O and δ13C Matrix Effects Along the Magnesite–Siderite Solid‐Solution Series. [Geostandards and Geoanalytical Research, 42, (2017), 49-76]

Śliwiński M.G., Kitajima K., Spicuzza M.J., Orland I.J., Ishida A., Fournelle J.H. and Valley J.W.

Early trace of life from 3.95 Ga sedimentary rocks in Labrador, Canada. [Nature, 549, (2017), 516-518]

Tashiro T, Ishida A., Hori M., Igisu M., Koike M., Mejean P., Takahata N., Sano Y., and Komiya T.

Microbial nitrogen cycle enhanced by continental input recorded in the Gunflint Formation. [Geochemical Perspective Letters, 4, (2017), 13-18]

Ishida A., Hashizume K., Kakegawa T.

Minute co-variations of Sr/Ca ratios and microstructures in the aragonitic shell of Cerastoderma edule (Bivalvia) – Are geochemical variations at the ultra-scale masking potential environmental signals? [Geochimica et Cosmochimica Acta, 205, (2017), 256-271]

Fuullenbach C.S., Schooe B.R., Shirai K., Takahata N., Ishida A., Sano Y.

U–Pb and Hf–W dating of young zircon in Mesosiderite Asuka 882023. [Geophysical Research Letters, 44, (2017), 1251-1259]

Koike M., Sugiura N., Takahata N., Ishida A., Sano Y.

Quantitative contribution of primary food sources for a mangrove food web in Setiu lagoon from East coast of Peninsular Malaysia, stable isotopic (δ13C and δ15N) approach. [Regional Studies in Marine Science, 9, (2017), 174-179]

Le Q.D., Haron N.A., Tanaka K., Ishida A., Sano Y., Dung L.V., Shirai K. 

Occurrence of tourmaline in metasedimentary rocks of the Isua Supracrustal Belt, Greenland: implications for ribose stability in hadean marine sediments.. [Origin of Life and Evolution of Biosphere,46,(2016),247-271]

Mishima, S., Ohtomo Y., Kakegawa,T.

太古の岩石が語る地球最古の微生物活動ー38〜37億年前の海で生息していたことが明らかに. [生物の科学　遺伝,71,(2016),133-138]

掛川武

「地球が生命をつくった」仮説の検証ー地球化学と化学の接点.. [化学,71,(2016),68-69]

掛川武.

Evaporite borate-containing mineral ensembles make phosphate available and regiospecifically phosphorylate ribonucleosides: borate as a multifaceted problem solver in prebiotic chemistry. [Angewandte Chemie International Edition, 55, (2016), 15816-15820]

Kim H.J., Furukawa Y., Kakegawa T., Bita A., Scorei R., Benner S. A.

Morphological changes of olivine grains reacted with amino acid solutions by impact process. [Physics and Chemistry of Minerals, (2016), 203-212]

Umeda Y., Takase A., Fukunaga N., Sekine T., Kobayashi T., Furukawa Y., Kakegawa T.

Effects of silicate, phosphate, and calcium on the stability of aldopentoses. [Origins of Life and Evolution of Biospheres, 46, (2016), 189-202]

Nitta S., Furukawa Y., Kakegawa T.

Survivability and reactivity of glycine and alanine in early oceans: effects of meteorite impacts. [Journal of Biological Physics, 42, (2016), 177-198] Umeda Y., Fukunaga N., Sekine T., Furukawa Y., Kakegawa T., Kobayashi T., Nakazawa H.

初期地球における隕石衝突によるアミノ酸および核酸塩基の生成に関する研究. [地球化学, 50, (2016), 1-9]

古川善博

核酸の起源.[細胞工学,35, (2016), 107-110]

古川善博

Helium and methane sources and fluxes of shallow submarine hydrothermal plumes near the Tokara Islands, Southern Japan. [Scientific Reports, 6, (2016), 34126-]

Wen H., Sano Y., Takahata N., Tomonaga Y., Ishida A., Tanaka K., Kagoshima T., Shirai K., Ishibashi J., Yokose H., Tsunogai U., Yang T. F.

Micron-scale δ13C determination by NanoSIMS in a Juina diamond with a carbonate inclusion. [Geochemical Journal, 50, (2016), 7-12]

Pinti D. L., Ishida A., Takahata N., Sano Y., Bureau H., Cartigny P.

Intra cellular isotope localization in Ammonia sp. (foraminifera) of oxygen-depleted environments: results of nitrate and sulfate labeling experiments. [Frontiers in Microbiology, 7, (2016), 163-]

Nomaki H., Bernhard J. M., Ishida A., Tsuchiya M., Uematsu K., Tame A., Kitahashi T., Takahata N., Sano Y., Toyofuku T.

Spatial and temporal variations of gas geochemistry at Mt. Ontake, Japan. [Journal of Volcanology and Geothermal Research, 325, (2016), 179-188]

Kagoshima T., Sano Y., Takahata N., Ishida A., Tomonaga Y., Roulleau E., Pinti D. L., Fischer T. P., Lan T., Nishio Y., Tsunogai U., Guo Z.

Combined investigation of H isotopic compositions and U-Pb chronology of young Martian meteorite Larkman Nunatak 06319. [Geochemical Journal, 50, (2016)]

Koike M., Sano Y., Takahata N., Ishida A., Sugiura N., Anand M. 

Nucleobase and amino acid formation through impacts of meteorites on the early ocean. [Earth and Planetary Science Letters, 429, (2015), 216-222]

Furukawa Y., Nakazawa H., Sekine T., Kobayashi T., Kakegawa T.

Shock wave synthesis of amino acids from solutions of ammonium formate and ammonium bicarbonate. [Geochemistry, Geophysics, Geosystems, 16, (2015)]

Suzuki C., Furukawa Y., Kobayashi T., Sekine T., Nakazawa H., Kakegawa T.

Abiotic regioselective phosphorylation of adenosine with borate in formamide. [Astrobiology, 15,(2015), 259-267]

Furukawa Y., Kim H., Hutter D., Benner S. A.

Oligomerization and carbonization of polycyclic aromatic hydrocarbons at high pressure and temperature. [Carbon, 84, (2015), 225-235]

Chanyshev A. D., Litasov K. D., Shatskiy A. F., Furukawa Y., Yoshino T., Ohtani E.

Middle Holocene daily light cycle reconstructed from the strontium/calcium ratios of a fossil giant clam shell. [Scientific Reports, 5, (2015), 8734-]

Hori M., Sano Y., Ishida A., Takahata N., Shirai K., Watanabe T.

グリーンランドで発見された最古の生物活動の痕跡. [Isotope News,(2014)]

掛川武

グリーンランドで最古の生命の痕跡を発見. [化学と工業,(2014)]

掛川武

Biological nitrate utilization in south Siberian lakes (Baikal and Hovsgol) during the last glacial period: the influence of climate change on primary productivity. [Quaternary Sci. Rev.,90,(2014),69-79]

Nara Watanabe F., Watanabe T., Kakegawa T., et al.

Erratum: “Stability conditions of polycyclic aromatic hydrocarbons at high pressures and temperatures” [Geochemistry International 52, (2014), 767, [Geochemistry International, 52(11), (2014), 1011-]

A. D. Chanyshev, K. D. Litasov, A. F. Shatskiy, Y. Furukawa, E. Ohtani

Stability conditions of polycyclic aromatic hydrocarbons at high pressures and temperatures. [Geochemistry International, 52, (2014), 767-772]

Chanyshev A. D., Litasov K. D., Shatskiy A. F., Furukawa Y., and Ohtani E.

Exploration of Enceladus’ water-rich plumes toward understanding of chemistry and biology of the interior ocean. [Aerospace Technology Japan, The ISTS Special Issue of Transactions of JSASS, 12, (2014), Tk7-Tk11]

Sekine Y., Takano Y., Yano H., Funase R., Takai K., Ishihara M., Shibuya T., Tachibana S., Kuramoto K., Yabuta H., Kimura J., Furukawa Y.

Experimental investigation of formation of volatiles by heating of meteorite constituent materials in humid nitrogen. [Icarus, 231, (2014), 77-82]

Furukawa Y., Samejima T., Nakazawa H., Kakegawa T.

Evidence for biogenic graphite in early Archaean Isua metasedimentary rocks. [NATURE GEOSCIENCE, 7(1), (2014), 25-28]　

Yoko Ohtomo, Takeshi Kakegawa, Akizumi Ishida, Toshiro Nagase, Minik T. Rosing

Ion microprobe U-Pb dating and Sr isotope measurement of a protoconodont. [Journal of Asian Earth Sciences, 92, (2014), 10-17]

Sano Y., Toyoshima K., Ishida A., Shirai K., Takahata N., Sato T., Komiya T.

Dating thin zircon rims by NanoSIMS: the Fengtien nephrite (Taiwan) is the youngest jade on Earth. [International Geology Review, 56(16), (2014), 1932-1944]

Yui T. F., Usuki T., Chen C. Y., Ishida A., Sano Y., Suga K., Iiduka Y., Chen C.T.

東北地方太平洋江沖地震による岩手、宮城、福島県沿岸域における津波堆積物の供給源. [地学雑誌,(2014)]

奈良郁子、渡邊隆広、掛川武、山崎慎一、井上千弘、土谷範芳 

Selective stabilization of ribose by borate. [Origins of Life and Evolution of Biospheres, 43, (2013), 353-361]

Furukawa Y., Horiuchi M., Kakegawa T.

Sulfur isotope profiles in the pelagic Panthalassic deep sea during the Permian-Triassic transition. [Global and Planetary Change,105,(2013),68-78]

Satoshi Takahashi, Kunio Kaiho, Rie S. Hori, Paul Gorjan, Takahiro Watanabe, Satoshi Yamakita, Yoshiaki Aita, Atsushi Takemura, K. Bernhard Spörli, Takeshi Kakegawa, Masahiro Oba

A chronology of the PY608E-PC sediment core (Lake Pumoyum Co, southern Tibetan Plateau) based on radiocarbon dating of total organic carbon. [NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,294,(2013),520-523]

Takahiro Watanabe, Toshio Nakamura, Tetsuya Matsunaka, Fumiko Watanabe Nara, Liping Zhu, Junbo Wang, Takeshi Kakegawa, Mitsugu Nishimura

生命の痕跡を記録した太古の岩石. [化学同人,(2013)]

掛川武

土星衛星エンセラダスのプリューム物質の化学・生命探査. [遊星人, 21, (2012), 229-238]

関根康人，高野淑識，矢野創，船瀬龍，高井研，石原盛男，渋谷岳造，橘省吾，倉本圭，薮田ひかる，木村淳，古川善博

Abiotic formation of valine peptides under conditions of high temperature and high pressure. [Origins of Life and Evolution of Biospheres, 42, (2012), 519-531]

Furukawa Y., Otake T., Ishiguro T., Nakazawa H., Kakegawa T.

Stepwise combustion analyses of distinct nitrogen isotopic compositions on Paleoproterozoic organic matter. [GEOCHEMICAL JOURNAL, 46(3), (2012), 249-253]

Akizumi Ishida, Ko Hashizume, Takeshi Kakegawa

Last glacial to post glacial climate changes in continental Asia inferred from multi-proxy records (geochemistry, clay mineralogy, and paleontology) from Lake Hovsgol, northwest Mongolia. [Global and Planetary Change,88, (2012), 53-63]

Watanabe Takahiro, Minoura, Koji, Nara, Fumiko Watanabe, and T. Kakegawa

[2011]

Gunflint Formation. [Encyclopedia of Astrobiology, (2011)]

Kakegawa T and Ishida A

Impact-induced phyllosilicate formation from olivine and water. [Geochimica et Cosmochimica Acta, 75, (2011), 6461-6472]

Furukawa Y., Sekine T., Kakegawa T., Nakazawa H.

Stability of amino acids and their oligomerization under high-pressure conditions: Implications for prebiotic chemistry. [Astrobiology, 11, (2011), 799-813]

Otake T., Taniguchi T., Furukawa Y., Kawamura F., Nakazawa H., Kakegawa T.

New silica clathrate minerals that are isostructural with natural gas hydrates. [Nature Communications, 2, (2011), 196-]

Momma K., Ikeda T., Nishikubo K., Takahashi N., Honma C., Takada M., Furukawa Y., Nagase T., Kudoh Y.

[2010]

Climate control of sulfate influx to Lake Hovsgol, northwest Mongolia, during the last glacial-postglacial transition: Constraints from sulfur geochemistry. [PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,298(3-4),(2010),278-285]

Fumiko Watanabe Nara, Takahiro Watanabe, Takeshi Kakegawa, Haruhiko Seyama, Kazuho Horiuchi, Toshio Nakamura, Akio Imai, Nobuyuki Kawasaki, Takayoshi Kawai

Last glacial-Holocene geochronology of sediment cores from a high-altitude Tibetan lake based on AMS C-14 dating of plant fossils: Implications for paleoenvironmental reconstructions. [CHEMICAL GEOLOGY,277(1-2),(2010),21-29]

Takahiro Watanabe, Tetsuya Matsunaka, Toshio Nakamura, Mitsugu Nishimura, Yasuhiro Izutsu, Motoyasu Minami, Fumiko Watanabe Nara, Takeshi Kakegawa, Junbo Wang, Liping Zhu

東北地方北部の金属鉱床に随伴する高インジウム鉱石の形成条件. [資源地質,60,(2010),153-164]

山田亮一、吉田武義、掛川武、奈良郁子、小川泰正

A Smooth Negative Shift of Organic-Carbon Isotope Ratios at an End-Permian Mass Extinction Horizon in Central Pelagic Panthalassa. [JOURNAL OF EARTH SCIENCE,21,(2010),165-166]

Satoshi Takahashi, Kunio Kaiho, Masahiro Oba, Takeshi Kakegawa

Biogeography and Biodiversity in Sulfide Structures of Active and Inactive Vents at Deep-Sea Hydrothermal Fields of the Southern Mariana Trough. [Appl. Environ. Microbiol.,76(9),(2010),2968-2979]

Kato, Shingo Takano, Yoshinori Kakegawa, Takeshi Oba, Hironori Inoue, Kazuhiko Kobayashi, Chiyori Utsumi, Motoo Marumo, Katsumi Kobayashi, Kensei Ito, Yuki Ishibashi, Jun-ichiro Yamagishi, Akihiko

Changes of organic matter sources in sediment cores from a high-altitude lake (Pumoyum Co, southeastern Tibetan plateau) over the last 19,000 years. [Nucl. Instrum. Methods Phys. Res. Sect. B-Beam Interact. Mater. Atoms,268(7-8),(2010),1070-1072]

Watanabe, Takahiro Matsunaka, Tetsuya Nakamura, Toshio Nishimura, Mitsugu Nara, Fumiko Watanabe Kakegawa, Takeshi Zhu, Liping

δ13C- δ D distribution of lipid biomarkers in a bacterial mat from a hot spring in Miyagi Prefecture, NE Japan. [Organic Geochemistry,41,(2010),398-403]

Naraoka H., Uehara T., Hanada S. and Kakegawa T.

delta C-13-delta D distribution of lipid biomarkers in a bacterial mat from a hot spring in Miyagi Prefecture, NE Japan. [ORGANIC GEOCHEMISTRY,41(4),(2010),398-403]

Hiroshi Naraoka, Tomoko Uehara, Satoshi Hanada, Takeshi Kakegawa

Role of the Archean submarine hydrothermal activities on evolution of the early biosphere: Report from massive sulfide ores at Sulfur Springs in Pilbara, Australia. [Viva Origino,38,(2010),29-34]

Takeshi Kakegawa

A NEW C-14 DATA SET OF THE PY608W-PC SEDIMENT CORE FROM LAKE PUMOYUM CO (SOUTHEASTERN TIBETAN PLATEAU) OVER THE LAST 19 KYR. [RADIOCARBON,52(3),(2010),1435-1442]

Takahiro Watanabe, Tetsuya Matsunaka, Toshio Nakamura, Mitsugu Nishimura, Yasuhiro Izutsu, Motoyasu Minami, Fumiko Watanabe Nara, Takeshi Kakegawa, Liping Zhu

RADIOCARBON AND STABLE CARBON ISOTOPE RATIO DATA FROM A 4.7-M-LONG SEDIMENT CORE OF LAKE BAIKAL (SOUTHERN SIBERIA, RUSSIA). [RADIOCARBON,52(3), (2010),1449-1457]

Fumiko Watanabe Nara, Takahiro Watanabe, Toshio Nakamura, Takeshi Kakegawa, Fumitaka Katamura, Koji Shichi, Hikaru Takahara, Akio Imai, Takayoshi Kawai

C-14 DATING OF HOLOCENE SOILS FROM AN ISLAND IN LAKE PUMOYUM CO (SOUTHEASTERN TIBETAN PLATEAU). [RADIOCARBON,52(3),(2010),1443-1448]

Takahiro Watanabe, Tetsuya Matsunaka, Toshio Nakamura, Mitsugu Nishimura, Takahiro Sakai, Xiao Lin, Kazuho Horiuchi, Fumiko Watanabe Nara, Takeshi Kakegawa, Liping Zhu

[2009]

Biomolecule formation by oceanic impacts on early Earth. [Nature Geoscience, 2, (2009), 62-66]

Furukawa Y., Sekine T., Oba M., Nakazawa H., Kakegawa T.

An interlaboratory study of TEX86 and BIT analysis using high-performance liquid chromatography–mass spectrometry. [Geochemistry Geophysics Geosystems, 10, (2009), Q03012-]

Schouten S. E., Hopmans C., van der Meer J., Mets A., Bard E., Bianchi T. S., Diefendorf A., Escala M., Freeman K. H., Furukawa Y., Huguet C., Ingalls A., Ménot-Combes G., Nederbragt A. J., Oba M., Pearson A., Pearson E. J., Rosell-Melé A., Schaeffer P., Shah S. R., Shanahan T. M., Smith R. W., Smittenberg R., Talbot H. M., Uchida M., Van Mooy B. A. S., Yamamoto M., Zhang Z., Sinninghe Damsté J. S.

Abundance of Zetaproteobacteria within crustal fluids in back-arc hydrothermal fields of the Southern Mariana Trough. [Environ. Microbiol.,11(12),(2009),3210-3222]

Kato, Shingo Yanagawa, Katsunori Sunamura, Michinari Takano, Yoshinori Ishibashi, Jun-ichiro Kakegawa, Takeshi Utsumi, Motoo Yamanaka, Toshiro Toki, Tomohiro Noguchi, Takuroh Kobayashi, Kensei Moroi, Arimichi Kimura, Hiroyuki Kawarabayasi, Yutaka Marumo, Katsumi Urabe, Tetsuro Yamagishi, Akihiko

隕石の海洋衝突による初期地球の有機物生成. [日本惑星科学誌,18(4),(2009),223-237]

古川 善博、関根 利守、大庭 雅寛、掛川 武、中沢 弘基

Spatial distribution, diversity and composition of bacterial communities in sub-seafloor fluids at a deep-sea hydrothermal field of the Suiyo Seamount. [DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,56(10),(2009),1844-1855]

Shingo Kato, Kurt Hara, Hiroko Kasai, Takashi Teramura, Michinari Sunamura, Jun-ichiro Ishibashi, Takeshi Kakegawa, Toshiro Yamanaka, Hiroyuki Kimura, Katsumi Marumo, Tetsuro Urabe, Akihiko Yamagishi

A new age model for the sediment cores from Academician ridge (Lake Baikal) based on high-time-resolution AMS C-14 data sets over the last 30 kyr: Paleoclimatic and environmental implications. [EARTH AND PLANETARY SCIENCE LETTERS,286(3-4), (2009),347-354]

Takahiro Watanabe, Toshio Nakamura, Fumiko Watanabe Nara, Takeshi Kakegawa, Mitsugu Nishimura, Makoto Shimokawara, Tetsuya Matsunaka, Ryoko Senda, Takayoshi Kawai

Microbial communities in iron-silica rich microbial mats at deep-sea hydrothermal fields of the Southern Mariana Trough. [Environmental Microbiology, (2009)]

Kato S., Kobayashi C., Kakegawa T., Yamagishi A.

High-time resolution AMS C-14 data sets for Lake Baikal and Lake Hovsgol sediment cores: Changes in radiocarbon age and sedimentation rates during the transition from the last glacial to the Holocene. [QUATERNARY INTERNATIONAL,205,(2009),12-20]

Takahiro Watanabe, Toshio Nakamura, Fumiko Watanabe Nara, Takeshi Kakegawa, Kazuho Horiuchi, Ryoko Senda, Takefumi Oda, Mitsugu Nishimura, Genki Inoue Matsumoto, Takayoshi Kawai

[2008]

河口汽水域を利用する魚類の食物源. [恒星社厚生閣,(2008)]

伊藤絹子、掛川武

Stable isotope characterization of fluids from the Lake Chany complex, western Siberia, Russian Federation. [Applied Geochemistry,24,(2008),319-327]

Mizota, C., Doi, H., Kikuchi E., Shikano S., Kakegawa T., Yurlova N. and Yurlov A.K.

Timing and magnitude of early Aptian extreme warming: Unraveling primary delta O-18 variation in indurated pelagic carbonates at Deep Sea Drilling Project Site 463, central Pacific Ocean. [PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,260(3-4),(2008),463-476]

Atsushi Ando, Kunio Kaiho, Hodaka Kawahata, Takeshi Kakegawa

Stable isotopic characterization of carbon, nitrogen and sulfur uptake of Acharax japonica from central Japan. [Plankton Benthos Res.,3, (2008),36-41]

Yamanaka T., Mizota C. Matsuyama-Serisawa K., Kakegawa T.

Radiocarbon chronology of a sediment core from Lake Pumoyum Co in the southeastern Tibetan plateau. [INTERNATIONAL ASSOCIATION OF THEORETICAL AND APPLIED LIMNOLOGY, VOL 30, PT 4, PROCEEDINGS,30,(2008),611-614]

T. Watanabe, T. Nakamura, M. Nishimura, T. Matsunaka, M. Minami, T. Kakegawa, F. W. Nara, L. Zhu

Geochemistry of sulfide chimneys and basement pillow lavas at the Southern Mariana Trough (12.55 degrees N-12.58 degrees N). [RESOURCE GEOLOGY,58(3),(2008),249-266]

Takeshi Kakegawa, Motoo Utsumi, Katsumi Marumo

[2007]

Formation of ultrafine particles from impact-generated supercritical water. [Earth and Planetary Science Letters, 258, (2007), 543-549]

Furukawa Y., Nakazawa H., Sekine T., Kakegawa T.

Paleoredox, biotic and sulfur-isotopic changes associated with the end-Permian mass extinction in the western Tethys. [CHEMICAL GEOLOGY,244(3-4),(2007),483-492]

P. Gorjan, K. Kaiho, T. Kakegawa, S. Niitsuma, Z. Q. Chen, Y. Kajiwara, A. Nicora

10.1016/j.chemgeo.2007.07.003

Carbon isotope records of terrestrial organic matter and occurrence of planktonic foraminifera from the Albian stage of Hokkaido, Japan: Ocean-atmosphere delta C-13 trends and chronostratigraphic implications. [PALAIOS,22(4),(2007),417-432]

Atsushi Ando, Takeshi Kakegawa

Pressure effects on the abiotic polymerization of glycine. [ORIGINS OF LIFE AND EVOLUTION OF BIOSPHERES,37(3),(2007),215-223]

Shohei Ohara, Takeshi Kakegawa, Hiromoto Nakazawa

10.1007/s11084-007-9067-4

[2006]

初期地球環境と微生物活動の痕跡. [遺伝,(20),(2006),180-183]

掛川武

Sr/Ca ratios as indicators of varying modes of pelagic carbonate diagenesis in the ooze, chalk and limestone realms. [SEDIMENTARY GEOLOGY,191(1-2),(2006),37-53]

Atsushi Ando, Hodaka Kawahata, Takeshi Kakegawa

Sulfur and carbon isotope analyses of 2.7 Ga stromatolites, cherts and sandstones in the Jeerinah Formation, Western Australia. [PRECAMBRIAN RESEARCH,148(1-2),(2006),115-124]

Takeshi Kakegawa, Hideyuki Nanri

Chemical and biological evolution of early Earth: Constraints from banded iron-formations. [Geological Society of America Special Paper,198,(2006),291-331]

Ohmoto H., Watanabe Y., Yamaguchi K., Naraoka, H., Haruna M., Kakegawa T., Hayshi K., and Kato Y

Links of organic carbon cycling and burial to depositional depth gradients and establishment of a snowball Earth at 2.3 Ga. Evidence from the Timeball Hill Formation, Transvaal Supergroup, South Africa. [South African J. of Geology,(109),(2006),109-122]

Coetzee L.L., Beukes N.J., Gutzmer J. and Kakegawa T.

[2005]

水曜海山海底熱水域の地下地質構造と硫化物硫黄同位体組成との関係. [海の科学,14,(2005),221-235]

掛川武・野田雅一・丸茂克美

34億年前の海洋環境で活動した光合成細菌の痕跡・酸素発生型か非酸素発生型か？. [蛋白質核酸酵素,50,(2005),64-65]

掛川武

High yield shock synthesis of ammonia from iron, water and nitrogen available on the early Earth. [EARTH AND PLANETARY SCIENCE LETTERS,235(1-2),(2005),356-360]

H Nakazawa, T Sekine, T Kakegawa, S Nakazawa

Analysis of the archaeal sub-seafloor community at Suiyo Seamount on the Izu-Bonin Arc. [SPACE LIFE SCIENCES: CLOSED ECOLOGICAL SYSTEMS: EARTH AND SPACE APPLICATIONS,35(9),(2005),1634-1642]

K Hara, T Kakegawa, K Yamashiro, A Maruyama, JI Ishibashi, K Marumo, T Urabe, A Yamagishi

[2004]

27~21億年にかけて見いだされた異常な有機炭素同位体組成と初期生命進化. [岩石鉱物科学,33,(2004),141-145]

掛川武

Oceanithermus desulfurans sp nov., a novel thermophilic, sulfur-reducing bacterium isolated from a sulfide chimney in Suiyo Seamount. [INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY,54,(2004),1561-1566]

K Mori, T Kakegawa, Y Higashi, K Nakamura, A Maruyama, S Hanada

Heavy metal enrichment in Archean carbon-rich samples: Hint to early carbon-metal compounds for enzyme formation?. [GEOCHIMICA ET COSMOCHIMICA ACTA,68(11),(2004),A799]

T Kakegawa, Y Ohtomo, H Nakazawa, M Rosing

グリーンランド・イスア地域の岩石に刻まれた初期地球の姿. [地質ニュース,596,(2004),60-65]

掛川武

微生物学と地球科学のわかちがたい関係. [科学,７４(２),(2004),１６６-１６９]

遠藤一佳．南澤究．掛川武．犬伏和之

[2003]

A novel lineage of sulfate-reducing microorganisms: Thermodesulfobiaceae fam. nov., Thermodesulfobium narugense, gen. nov., sp. nov., a new thermophilic isolate from a hot spring. [Extremophiles,7,(2003),283-290]

Mori K., Kim H., Kakegawa T., Hanada S.

初期地球環境下での微生物進化. [日本惑星科学会、遊星人,(3),(2003),14-18]

掛川武

最古の岩石が秘める生命起源へのヒント. [化学,５８(７),(2003),３０-３１]

掛川　武

[2002]

Geochemical Cycles of Bio-essential elements on the early Earth and their relationships to origin of life. [Resource Geology,(52),(2002),83-89]

Takeshi Kakegawa, Nannri, Noda

New perspective on Aptian carbon isotope stratigraphy: Data from d13C records of terrestrial organic matter. [Geology,30(3),(2002),227-230]

Ando Atsushi, Takeshi Kakegawa

Activities of early life in the Archean oceans: influence from submarine hydrothermal activities. [origin of life and geochemistry,(2002),50-63]

Takeshi Kakegawa

[2001]

Biological activities and evolution of life during early stage of the Earth history: constraints from the stable isotope records. [Viva Origino,(28),(2001),191-208]

Takeshi Kakegawa

[2000]

Sulfur and carbon isotope analyses of the 2.7 Ga Jeerinah Formation, Fortescue Group, Australia. [Geochemical Journal, (34),(2000),121-133]

Takeshi Kakegawa, Kasahara, Ohmotto

Biological activities and evolution of life during early stage of the Earth history: Constraints from the stable isotope records. [Viva Origino,28(4), (2000),191-]

KAKEGAWA Takeshi

[1999]

Sulfur isotope evidence for the origin of 3.4 to 3.1 Ga pyrite at the Princeton gold mine, Barberton Greenstone Belt, South Africa. [PRECAMBRIAN RESEARCH,96(3-4), (1999),209-224]

T Kakegawa, H Ohmoto

[1998]

Origins of pyrites in the～2.5Ga Mt. McRae Shale, the Hamersley District, Western Australia. [Geochimica Cosmochiemica Acta, (62), (1998),3205-3220]

Takeshi Kakegawa, Hejime Kawai, Hiroshi Ohmoto

High activity of sulphate-reducing bacteria in Archean and Proterozoic oceans and an early development of the Phanerozoic-style sulphur cycles. [Mineralofical Magazine, (62A), (1998),738-739]

KAKEGAWA Takeshi

[1997]

カナダニューファウンドランド島チャペルアイランド層における堆積岩の硫黄同位体地球化学. [アメリカ地質学会誌,29(6),(1997),116-]

掛川　武

[1993]

3.4-billion-year-old biogenic pyrites from Barberton, South Africa: Sulfur isotope evidence. [Science,262, (1993),555-557]

H.Ohmoto, D. Lowe and Kakegawa T