HIKARU YABUTA

Last Updated :2024/10/02

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Professor
E-mail
hyabutahiroshima-u.ac.jp
Self-introduction
My main research interest is the chemical evolution of organic matter in asteroids, meteorites and comets. I devoted myself to the carbonaceous asteroid sample return mission, Hayabusa2, and led Organic Macromolecule team.

Basic Information

Major Professional Backgrounds

  • 2002/05, 2002/08, the Graduate University for Advanced Studies
  • 2002/09, 2003/03, National Institute of Advanced Industrial Science and Technology
  • 2003/04, 2005/06, Japan Society for the Promotion of Science
  • 2005/07, 2007/06, Camegie Institution of Washington
  • 2007/07, 2008/04, Japan Society for the Promotion of Science
  • 2008/05/01, 2016/12/31, Osaka University, Assistant Professor
  • 2017/01/01, 2019/03/31, Hiroshima University, Graduate School of Science, Associate Professor

Academic Degrees

  • University of Tsukuba
  • University of Tsukuba

Research Fields

  • Mathematical and physical sciences;Earth and planetary science;Geochemistry / Cosmochemistry

Research Keywords

  • Early Solar System, Organic molecules, Chemical evolution, Asteroids, Comets, Meteorites, Cosmic dusts, Space exploration, Sample return, GCMS, Synchrotron, Scanning transmission x-ray microscope (STXM), High resolution mass spectrometry

Affiliated Academic Societies

  • Geochemical Society, Meteoritical Society, The International Society for the Study of the Origin of Life – The International Astrobiology Society (ISSOL), Japan Geoscience Union (JpGU), Geochemical Society of Japan (GSJ), The Japanese Society of Planetary Sciences, The Japanese Association of Organic Geochemists, The Society for the Study of the Origin and Evolution of Life Japan (SSOEL), The Japan Society for Analytical Chemistry, The Chemical Society for Japan

Educational Activity

Course in Charge

  1. 2024, Liberal Arts Education Program1, 1Term, Carbon-neutral Science and Technology
  2. 2024, Undergraduate Education, 4Term, Introduction to Earth and Planetary Sciences B
  3. 2024, Undergraduate Education, 4Term, Earth and Planetary Materials Science I
  4. 2024, Undergraduate Education, 2Term, Astrobiology
  5. 2024, Undergraduate Education, First Semester, Practice of Earth and Planetary Systems Science B (Experimental Study)
  6. 2024, Undergraduate Education, First Semester, Special Study for Graduation
  7. 2024, Undergraduate Education, Second Semester, Special Study for Graduation
  8. 2024, Undergraduate Education, 3Term, Tectonics of the Earth
  9. 2024, Graduate Education (Master's Program) , 3Term, Survey of Earth and Planetary Systems Science
  10. 2024, Graduate Education (Master's Program) , Year, Exercise for Globalization I
  11. 2024, Graduate Education (Master's Program) , Year, Exercise for Globalization II
  12. 2024, Graduate Education (Master's Program) , Year, Integrated Seminar on Earth and Planetary Systems Science
  13. 2024, Graduate Education (Master's Program) , First Semester, Midterm Exercise for Earth and Planetary Systems Science
  14. 2024, Graduate Education (Master's Program) , First Semester, Special Exercise for Earth and Planetary Systems Science A
  15. 2024, Graduate Education (Master's Program) , Second Semester, Special Exercise for Earth and Planetary Systems Science B
  16. 2024, Graduate Education (Master's Program) , Academic Year, Special Study for Earth and Planetary Systems Science
  17. 2024, Graduate Education (Doctoral Program) , Academic Year, Special Study for Earth and Planetary Systems Science

Research Activities

Academic Papers

  1. ★, Formation of an ultracarbonaceous Antarctic micrometeorite through minimal aqueous alteration in a small porous icy body, GEOCHIMICA ET COSMOCHIMICA ACTA, 214, 172-190, 20171001
  2. ★, Variation of mineralogy and organic material during the early stages of aqueous activity recorded in Antarctic micrometeorites, GEOCHIMICA ET COSMOCHIMICA ACTA, 208, 119-144, 20170701
  3. The Camera of the MASCOT Asteroid Lander on Board Hayabusa 2., Space Science Reviews, 208(1-4), 375-400
  4. A Strategy for Origins of Life Research, Astrobiology, 15, 1031-1042, 2015
  5. Raman spectroscopic thermometry to carbonaceous material in chondrites: Four-band fitting analysis and expansion of lower temperature limit., J. Mineralogical and Petrological Sciences, 110(6), 276-282, 2015
  6. Mineralogy and noble-gas isotopes of micrometeorites collected from Antarctic snow., Earth, Planets and Space, 67, 90, 2015
  7. ToF-SIMS analysis of carbonaceous particles in the sample catcher of the Hayabusa spacecraft., Earth, Planets and Space, 67, 67, 2015
  8. Investigation of the records of earthquake slip in carbonaceous materials from the Taiwan Chelungpu fault by means of infrared and Raman spectroscopies., Geochemistry, Geophysics, Geosystems, 16, 2015
  9. A micro-Raman and infrared study of the several Hayabusa category 3 (organic) particles., Earth, Planets and Space, 67, 20, 2015
  10. ★, X-ray absorption near edge structure spectroscopic study of Hayabusa Category 3 carbonaceous particles, Earth, Planets and Space, 66, 156, 2014
  11. Sequential analysis of carbonaceous materials in Hayabusa-returned samples for the determination of their origin., Earth, Planets and Space, 66, 102, 2014
  12. Re-evaluation of frictional heat recorded in the dark gouge of the shallow part of a megasplay fault at the Nankai Trough., Tectonophysics, 626, 157-169, 2014
  13. Design of a silica-aerogel-based cosmic dust collector for the Tanpopo mission aboard the International Space Station., Transactions of the Japan Society for Aeronautical and Space Sciences, Aerospace Technology Japan., 12(ists29), Pk_29-Pk_34, 2014
  14. Space Exposure of Amino Acids and Their Precursors in the Tanpopo Mission Using the International Space Station., Transactions of the Japan Society for Aeronautical and Space Sciences, Aerospace Technology Japan., 12(ists29), Pp_1-Pp_6, 2014
  15. H, C, and N isotopic compositions of Hayabusa category 3 organic samples., Earth, Planets and Space, 66, 91, 2014
  16. Exploration of Enceladus' water-rich plumes toward understanding of chemistry and biology of the interior ocean., Transactions of the Japan Society for Aeronautical and Space Sciences, Aerospace Technology Japan, 12(ists29), Tk7-Tk11, 2014
  17. Estimation of slip parameters associated with frictional heating during the 1999 Taiwan Chi-Chi earthquake by vitrinite reflectance geothermometry, Earth, Planets and Space, 66(28), 2014
  18. Effects of metal ions and pH on the formation and decomposition rates of di- and tri-peptides in aqueous solution., Geochemical Journal, 48, 219-230, 2014
  19. Characterization of organic aggregates formed by heating products of simulated primitive Earth atmosphere experiments, Chemistry Letters, 41, 441-443, 2012
  20. Preliminary organic compound analysis of microparticles returned from Asteroid 25143 Itokawa by the Hayabusa mission., Geochemical Journal, 46, 61-72, 2012
  21. ★, Molecular and isotopic study of the macromolecular organic matter of the ungrouped C2 WIS 91600 and its relationship to Tagish Lake and PCA 91008, Meteoritics and Planetary Science, 45, 1446-1460, 2010
  22. ★, Multiple polar components in humic acids stabilizing free radicals: carboxyl and nitrogen-containing groups, Organic Geochemistry, 39, 1319-1335, 2008
  23. Organic thermometry for chondritic parent bodies., Earth and Planetary Science Letters, 272, 445-455, 2008
  24. Quantitative organic and light element analyses of Comet Wild 2 particles using C-, N-, and O- micro-XANES., Meteoritics and Planetary Science, 43, 353-366, 2008
  25. The origin and evolution of chondrites recorded in the elemental and isotopic compositions of their macromolecular organic matter., Geochimica et Cosmochimica Acta, 71, 4380-4403, 2007
  26. ★, The insoluble carbonaceous material of CM chondrites: A possible source of discrete organic compounds under hydrothermal conditions, Meteoritics and Planetary Science, 42, 37-48, 2007
  27. Organics Captured from Comet Wild 2 by the Stardust Spacecraft, Science, 314, 1720-1724, 2006
  28. Comet 81P/Wild 2 Under a Microscope. Science, Science, 314, 1711-1716, 2006
  29. Water solubility enhancement effects of some polychlorinated organic pollutants by dissolved organic carbon from a soil with a higher organic carbon content, Journal of Environmental Science and Health, Part A: Toxic/Hazardous Substances & Environmental Engineering, 41, 1483-1494, 2006
  30. ★, The solid-state 13C NMR characterization of insoluble organic matter from Antarctic CM2 chondrites: Evaluation of the meteoritic alteration level, Meteoritics and Planetary Science, 40, 779-787, 2005
  31. Quantitative evaluation of interactions between hydrophobic organic pollutants and humic substances, Humic Substances Research, 2, 9-26, 2005
  32. Influence of structural features of humic substances on the partition coefficient of a chlorinated dioxin, Chemosphere, 58, 1319-1326, 2004
  33. Influence of structural features of humic substances on the partition coefficient of a chlorinated dioxin, Chemosphere, 58, 1319-1326, 2004
  34. ★, Solid-phase microextraction for the evaluation of partition coefficients of a chlorinated dioxin and hexachlorobenzene into humic substances, Analytical Sciences, 20, 787-791, 2004
  35. ★, Tetra- and Pentacyclic alkanes in the Cretaceous/Tertiary boundary sediments at Kawaruppu, Hokkaido, Japan, Researches in Organic Geochemistry, 17, 33-43, 2002
  36. Mono- and bicyclic alkanes and diamondoid hydrocarbons in the Cretaceous/Tertiary boundary sediments at Kawaruppu, Hokkaido, Japan, Geochemical Journal, 36, 173-189, 2002
  37. ★, Detection of mono- and bicyclic alkanes and their characteristics in Neogene sediments of the Shinjo basin, Japan, Geochemical Journal, 36, 31-49, 2002
  38. Prevalence and nature of heating processes in CM and C2-ungrouped chondrites as revealed by insoluble organic matter, GEOCHIMICA ET COSMOCHIMICA ACTA, 241, 17-37, 20181115
  39. Organic Molecules and Volatiles in Comets, ELEMENTS, 14(2), 101-106, 201804
  40. 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), 53-67, 2019
  41. Further characterization of carbonaceous materials in Hayabusa-returned samples to understand their origin, METEORITICS & PLANETARY SCIENCE, 54(3), 638-666, 201903
  42. The geomorphology, color, and thermal properties of Ryugu: Implications for parent-body processes, SCIENCE, 364(6437), 252-+, 20190419
  43. Hayabusa2 arrives at the carbonaceous asteroid 162173 Ryugu-A spinning top-shaped rubble pile, SCIENCE, 364(6437), 268-+, 20190419
  44. Shock Vaporization/Devolatilization of Evaporitic Minerals, Halite and Gypsum, in an Open System Investigated by a Two-Stage Light Gas Gun, GEOPHYSICAL RESEARCH LETTERS, 46(13), 7258-7267, 20190716
  45. Images from the surface of asteroid Ryugu show rocks similar to carbonaceous chondrite meteorites, SCIENCE, 365(6455), 817-+, 20190823
  46. Highly porous nature of a primitive asteroid revealed by thermal imaging, NATURE, 579(7800), 518-522, 202003
  47. Sample collection from asteroid (162173) Ryugu by Hayabusa2: Implications for surface evolution, SCIENCE, 368(6491), 654-+, 20200508
  48. Organic Matter in the Solar System-Implications for Future on-Site and Sample Return Missions, SPACE SCIENCE REVIEWS, 216(4), 20200512
  49. Concerns of Organic Contamination for Sample Return Space Missions, SPACE SCIENCE REVIEWS, 216(4), 20200512

Publications such as books

  1. 2019/03/08, Astrobiology: From the Origins of Life to the Search for Extraterrestrial Intelligence, Springer, Scholarly Book, Joint work, 9811336385
  2. 2019/01/15, Handbook of Astrobiology, CRC Press, Scholarly Book, 9781138065123
  3. Primitive Meteorites and Asteroids: Physical, Chemical and Spectroscopic Observations Paving the Way to Exploration, Elsevier, Scholarly Book, Joint work, 0128133252, 558