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2015
2 Citations

A Strategy for Origins of Life Research

Kobayashi, K. & 36 others Scharf, C., Virgo, N., Cleaves, H. J., Aono, M., Aubert-Kato, N., Aydinoglu, A., Barahona, A., Barge, L. M., Benner, S. A., Biehl, M., Brasser, R., Butch, C. J., Chandru, K., Cronin, L., Danielache, S., Fischer, J., Hernlund, J., Hut, P., Ikegami, T., Kimura, J., Mariscal, C., McGlynn, S., Menard, B., Packard, N., Pascal, R., Pereto, J., Rajamani, S., Sinapayen, L., Smith, E., Switzer, C., Takai, K., Tian, F., Ueno, Y., Voytek, M., Witkowski, O. & Yabuta, H. 2015 Dec 1 In : Astrobiology. 15, 12, p. 1031-1042 12 p.

Research output: Contribution to journalArticle

Biogenesis
3 Citations

Calcium carbonate as a possible dosimeter for high irradiation doses

Negron-Mendoza, A., Uribe, R. M., Ramos-Bernal, S., Camargo-Raya, C., Gomez-Vidales, V. & Kobayashi, K. 2015 Jun 1 In : Applied Radiation and Isotopes. 100, p. 55-59 5 p.

Research output: Contribution to journalArticle

Dosimetry
Dosimeters
Calcium carbonate
Irradiation
Free radicals

Development of hydrothermal and frictional experimental systems to simulate sub-seafloor water–rock–microbe interactions

Suzuki, K., Kato, S., Shibuya, T., Hirose, T., Fuchida, S., Rejish Kumar, V. J., Yoshizaki, M., Masaki, Y., Nakamura, K., Kobayashi, K., Harue, M., Yamagishi, A. & Urabe, T. 2015 Jan 1 Subseafloor Biosphere Linked to Hydrothermal Systems: TAIGA Concept. Springer Japan, p. 71-85 15 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

experiment
friction
seafloor
aquifer
hydrogen
2014
3 Citations

Fluorescence imaging of microbe-containing particles shot from a two-stage Light-gas gun into an aerogel

Kawaguchi, Y., Sugino, T., Tabata, M., Okudaira, K., Imai, E., Yano, H., Hasegawa, S., Hashimoto, H., Yabuta, H., Kobayashi, K., Kawai, H., Mita, H., Yokobori, S. I. & Yamagishi, A. 2014 Jan 1 In : Origins of Life and Evolution of Biospheres. 44, 1, p. 43-60 18 p.

Research output: Contribution to journalArticle

fluorescence
DNA
dye
gas
inorganic compound
2013
1 Citations
Saturn
Atmosphere
Amino Acids
Protons
Hydrolysis
3 Citations

Photo-alteration of hydantoins against UV light and its relevance to prebiotic chemistry

Sarker, P. K., Takahashi, J. I., Obayashi, Y., Kaneko, T. & Kobayashi, K. 2013 Jun 15 In : Advances in Space Research. 51, 12, p. 2235-2240 6 p.

Research output: Contribution to journalArticle

Photolysis
Solar system
Photochemical reactions
High performance liquid chromatography
Ultraviolet radiation
5 Citations

Role of amino acids in the formation of polycyclic aromatic amines during pyrolysis of tobacco

Yoshida, S. & Kobayashi, K. 2013 Nov 1 In : Journal of Analytical and Applied Pyrolysis. 104, p. 508-513 6 p.

Research output: Contribution to journalArticle

Amino acids
Tobacco
Pyrolysis
Amines
Arginine
1 Citations
Tobacco
Amines
Methylene Chloride
Proteins
1-Naphthylamine
3 Citations

Self-assembly of tholins in environments simulating Titan liquidospheres: Implications for formation of primitive coacervates on Titan

Kawai, J., Jagota, S., Kaneko, T., Obayashi, Y., Yoshimura, Y., Khare, B. N., Deamer, D. W., McKay, C. P. & Kobayashi, K. 2013 Oct 1 In : International Journal of Astrobiology. 12, 4, p. 282-291 10 p.

Research output: Contribution to journalArticle

Titan
methane
liquid
Saturn
organic compound
3 Citations

Survivability and Abiotic Reactions of Selected Amino Acids in Different Hydrothermal System Simulators

Chandru, K., Imai, E., Kaneko, T., Obayashi, Y. & Kobayashi, K. 2013 Apr 1 In : Origins of Life and Evolution of Biospheres. 43, 2, p. 99-108 10 p.

Research output: Contribution to journalArticle

simulator
amino acid
hydrothermal system
ion
metal
6 Citations

The Possible Interplanetary Transfer of Microbes: Assessing the Viability of Deinococcus spp. Under the ISS Environmental Conditions for Performing Exposure Experiments of Microbes in the Tanpopo Mission

Kawaguchi, Y., Yang, Y., Kawashiri, N., Shiraishi, K., Takasu, M., Narumi, I., Satoh, K., Hashimoto, H., Nakagawa, K., Tanigawa, Y., Momoki, Y. H., Tanabe, M., Sugino, T., Takahashi, Y., Shimizu, Y., Yoshida, S., Kobayashi, K., Yokobori, S. I. & Yamagishi, A. 2013 Jan 1 In : Origins of Life and Evolution of Biospheres. 43, 4-5, p. 411-428 18 p.

Research output: Contribution to journalArticle

experiment
viability
temperature
irradiation
ion

Titan tholins as amino acid precursors and their solubility in possible Titan liquidospheres

Kawai, J., Jagota, S., Kaneko, T., Obayashi, Y., Khare, B. N., McKay, C. P. & Kobayashi, K. 2013 Jun 12 In : Chemistry Letters. 42, 6, p. 633-635 3 p.

Research output: Contribution to journalArticle

Titan
amino acid
water
solubility
ammonia
2012
3 Citations

Characterization of organic aggregates formed by heating products of simulated primitive earth atmosphere experiments

Kurihara, H., Yabuta, H., Kaneko, T., Obayashi, Y., Takano, Y. & Kobayashi, K. 2012 In : Chemistry Letters. 41, 4, p. 441-443 3 p.

Research output: Contribution to journalArticle

heating
atmosphere
origin of life
amino acid
tolerance
2 Citations

Photostability of isovaline and its precursor 5-Ethyl-5-methylhydantoin exposed to simulated space radiations

Sarker, P. K., Takahashi, J. I., Kawamoto, Y., Obayashi, Y., Kaneko, T. & Kobayashi, K. 2012 Jan In : International Journal of Molecular Sciences. 13, 1, p. 1006-1017 12 p.

Research output: Contribution to journalArticle

Photolysis
Irradiation
Gamma rays
Radiation
Acids
2 Citations

Prebiotic Organic Microstructures

Bassez, M. P., Takano, Y. & Kobayashi, K. 2012 Aug 1 In : Origins of Life and Evolution of Biospheres. 42, 4, p. 307-316 10 p.

Research output: Contribution to journalArticle

serpentinization
microstructure
irradiation
amino acid
experiment
3 Citations

Stability of amino acids and related compounds in simulated submarine hydrothermal systems

Kurihara, H., Takano, Y., Kaneko, T., Obayashi, Y. & Kobayashi, K. 2012 May 28 In : Bulletin of the Chemical Society of Japan. 85, 5, p. 624-630 7 p.

Research output: Contribution to journalArticle

amino acid
hydrothermal system
origin of life
cosmic ray
hydrolysis
1 Citations

The Use of Ascorbate as an Oxidation Inhibitor in Prebiotic Amino Acid Synthesis: A Cautionary Note

Kuwahara, H., Eto, M., Kawamoto, Y., Kurihara, H., Kaneko, T., Obayashi, Y. & Kobayashi, K. 2012 Dec 1 In : Origins of Life and Evolution of Biospheres. 42, 6, p. 533-541 9 p.

Research output: Contribution to journalArticle

amino acid
oxidation
ascorbic acid
inhibitor
hydrolysis
2010
40 Citations

Biogeography and biodiversity in sulfide structures of active and inactive vents at deep-sea hydrothermal fields of the southern mariana trough

Kato, S., Takano, Y., Kakegawa, T., Oba, H., Inoue, K., Kobayashi, C., Utsumi, M., Marumo, K., Kobayashi, K., Ito, Y., Ishibashi, J. I. & Yamagishi, A. 2010 May 1 In : Applied and Environmental Microbiology. 76, 9, p. 2968-2979 12 p.

Research output: Contribution to journalArticle

sulfide
microbial community
community composition
biogeography
trough
2 Citations

Simultaneous analysis of agricultural chemicals residue in salt by GC/MS

Noda, Y., Asada, T. & Kobayashi, K. 2010 Nov 19 In : Bunseki Kagaku. 59, 7, p. 579-587 9 p.

Research output: Contribution to journalArticle

agrochemical
salt
gas chromatography
mass spectrometry
certification
2009
43 Citations

Abundance of Zetaproteobacteria within crustal fluids in back-arc hydrothermal fields of the Southern Mariana Trough

Kato, S., Yanagawa, K., Sunamura, M., Takano, Y., Ishibashi, J. I., Kakegawa, T., Utsumi, M., Yamanaka, T., Toki, T., Noguchi, T., Kobayashi, K., Moroi, A., Kimura, H., Kawarabayasi, Y., Marumo, K., Urabe, T. & Yamagishi, A. 2009 Dec 1 In : Environmental Microbiology. 11, 12, p. 3210-3222 13 p.

Research output: Contribution to journalArticle

fluid
trough
oceanic crust
microbial community
fluorescence
17 Citations

Chirality emergence in thin solid films of amino acids by polarized light from synchrotron radiation and free electron laser

Takahashi, J. I., Shinojima, H., Seyama, M., Ueno, Y., Kaneko, T., Kobayashi, K., Mita, H., Adachi, M., Hosaka, M. & Katoh, M. 2009 Jul 1 In : International Journal of Molecular Sciences. 10, 7, p. 3044-3064 21 p.

Research output: Contribution to journalArticle

Light polarization
Irradiation
Dichroism
Amino acids
Free electron lasers
2008
6 Citations

First results of the RAMBAS experiment on investigation of the radiation mechanism of chiral influence

Burkov, V. I., Goncharova, L. A., Gusev, G. A., Kobayashi, K., Moiseenko, E. V., Poluhina, N. G., Saito, T., Tsarev, V. A., Xu, J. & Zhang, G. 2008 Apr 1 In : Origins of Life and Evolution of Biospheres. 38, 2, p. 155-163 9 p.

Research output: Contribution to journalArticle

asymmetry
amino acid
experiment
origin of life
irradiation
1 Citations

Formation of amino acid precursors with large molecular weight in dense clouds and their relevance to origins of bio-homochirality

Kobayashi, K., Kaneko, T., Takano, Y. & Takahashi, J. I. 2008 Oct 13 Proceedings of the International Astronomical Union. S251 ed. Vol. 4, p. 465-472 8 p. (Proceedings of the International Astronomical Union; vol. 4, no. S251)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

amino acid
organic compound
cosmic ray
irradiation
ammonia
5 Citations

Results of the second stage of the investigation of the radiation mechanism of chiral influence (RAMBAS-2 experiment)

Gusev, G. A., Kobayashi, K., Moiseenko, E. V., Poluhina, N. G., Saito, T., Ye, T., Tsarev, V. A., Xu, J., Huang, Y. & Zhang, G. 2008 Dec 1 In : Origins of Life and Evolution of Biospheres. 38, 6, p. 509-515 7 p.

Research output: Contribution to journalArticle

asymmetry
experiment
irradiation
amino acid
origin of life
5 Citations

Synthesis of Amino acid precursors from simulated interstellar media by high-energy particles or Photons

Kobayashi, K., Ogawa, T., Tonishi, H., Kaneko, T., Takano, Y., Takahashi, J. I., Saito, T., Muramatsu, Y., Yoshida, S. & Utsumi, Y. 2008 Mar 1 In : Electronics and Communications in Japan. 91, 3, p. 15-21 7 p.

Research output: Contribution to journalArticle

Amino acids
Photons
X rays
Gamma rays
Synchrotrons