HIKARU YABUTA

Last Updated :2021/05/11

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 meteorites and comets. Currently I am devoted the carbonaceous asteroid sample return mission, Hayabusa2, that will return in 2020.

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, Soft X-ray absorption spectroscopy, Scanning transmission x-ray microscope (STXM)

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. 2021, Undergraduate Education, 1Term, Astrobiology
  2. 2021, Undergraduate Education, First Semester, Practice of Earth and Planetary Systems Science B (Experimental Study)
  3. 2021, Undergraduate Education, First Semester, Special Study for Graduation
  4. 2021, Undergraduate Education, Second Semester, Special Study for Graduation
  5. 2021, Graduate Education (Master's Program) , First Semester, Special Study for Graduate Course
  6. 2021, Graduate Education (Master's Program) , First Semester, Seminar on earth and planetary chemistry I
  7. 2021, Graduate Education (Master's Program) , Second Semester, Seminar on earth and planetary chemistry I
  8. 2021, Graduate Education (Doctoral Program) , First Semester, Seminar on earth and planetary chemistry II
  9. 2021, Graduate Education (Doctoral Program) , Second Semester, Seminar on earth and planetary chemistry II
  10. 2021, Graduate Education (Master's Program) , 3Term, Survey of Earth and Planetary Systems Science
  11. 2021, Graduate Education (Master's Program) , 1Term, Evolution of the Solar System
  12. 2021, Graduate Education (Master's Program) , 1Term, Analytical Techniques for Earth and Planetary Materials Science
  13. 2021, Graduate Education (Master's Program) , Year, Exercise for Globalization I
  14. 2021, Graduate Education (Master's Program) , Year, Exercise for Globalization II
  15. 2021, Graduate Education (Master's Program) , Year, Externship for Earth and Planetary Systems Science
  16. 2021, Graduate Education (Master's Program) , Second Semester, Integrated Seminar on Earth and Planetary Systems Science
  17. 2021, Graduate Education (Master's Program) , First Semester, Midterm Exercise for Earth and Planetary Systems Science
  18. 2021, Graduate Education (Master's Program) , 1Term, Special Exercise for Earth and Planetary Systems Science A
  19. 2021, Graduate Education (Master's Program) , 2Term, Special Exercise for Earth and Planetary Systems Science A

Research Activities

Academic Papers

  1. Highly porous nature of a primitive asteroid revealed by thermal imaging, NATURE, 579(7800), 518-522, 202003
  2. Sample collection from asteroid (162173) Ryugu by Hayabusa2: Implications for surface evolution, SCIENCE, 368(6491), 654-+, 20200508
  3. Organic Matter in the Solar System-Implications for Future on-Site and Sample Return Missions, SPACE SCIENCE REVIEWS, 216(4), 20200512
  4. Concerns of Organic Contamination for Sample Return Space Missions, SPACE SCIENCE REVIEWS, 216(4), 20200512
  5. 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
  6. Further characterization of carbonaceous materials in Hayabusa-returned samples to understand their origin, METEORITICS & PLANETARY SCIENCE, 54(3), 638-666, 201903
  7. The geomorphology, color, and thermal properties of Ryugu: Implications for parent-body processes, SCIENCE, 364(6437), 252-+, 20190419
  8. Hayabusa2 arrives at the carbonaceous asteroid 162173 Ryugu-A spinning top-shaped rubble pile, SCIENCE, 364(6437), 268-+, 20190419
  9. 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
  10. Images from the surface of asteroid Ryugu show rocks similar to carbonaceous chondrite meteorites, SCIENCE, 365(6455), 817-+, 20190823
  11. 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
  12. Organic Molecules and Volatiles in Comets, ELEMENTS, 14(2), 101-106, 201804
  13. ★, Formation of an ultracarbonaceous Antarctic micrometeorite through minimal aqueous alteration in a small porous icy body, GEOCHIMICA ET COSMOCHIMICA ACTA, 214, 172-190, 20171001
  14. ★, 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
  15. A Strategy for Origins of Life Research, Astrobiology, 15, 1031-1042, 2015
  16. 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
  17. Mineralogy and noble-gas isotopes of micrometeorites collected from Antarctic snow., Earth, Planets and Space, 67, 90, 2015
  18. 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
  19. A micro-Raman and infrared study of the several Hayabusa category 3 (organic) particles., Earth, Planets and Space, 67, 20, 2015
  20. ★, X-ray absorption near edge structure spectroscopic study of Hayabusa Category 3 carbonaceous particles, Earth, Planets and Space, 66, 156, 2014
  21. Sequential analysis of carbonaceous materials in Hayabusa-returned samples for the determination of their origin., Earth, Planets and Space, 66, 102, 2014
  22. 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
  23. 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
  24. 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
  25. H, C, and N isotopic compositions of Hayabusa category 3 organic samples., Earth, Planets and Space, 66, 91, 2014
  26. 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
  27. 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
  28. 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
  29. Characterization of organic aggregates formed by heating products of simulated primitive Earth atmosphere experiments, Chemistry Letters, 41, 441-443, 2012
  30. Preliminary organic compound analysis of microparticles returned from Asteroid 25143 Itokawa by the Hayabusa mission., Geochemical Journal, 46, 61-72, 2012
  31. ★, 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
  32. ★, Multiple polar components in humic acids stabilizing free radicals: carboxyl and nitrogen-containing groups, Organic Geochemistry, 39, 1319-1335, 2008
  33. Organic thermometry for chondritic parent bodies., Earth and Planetary Science Letters, 272, 445-455, 2008
  34. 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
  35. 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
  36. ★, 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
  37. Organics Captured from Comet Wild 2 by the Stardust Spacecraft, Science, 314, 1720-1724, 2006
  38. Comet 81P/Wild 2 Under a Microscope. Science, Science, 314, 1711-1716, 2006
  39. 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
  40. ★, 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
  41. Quantitative evaluation of interactions between hydrophobic organic pollutants and humic substances, Humic Substances Research, 2, 9-26, 2005
  42. Influence of structural features of humic substances on the partition coefficient of a chlorinated dioxin, Chemosphere, 58, 1319-1326, 2004
  43. Influence of structural features of humic substances on the partition coefficient of a chlorinated dioxin, Chemosphere, 58, 1319-1326, 2004
  44. ★, Solid-phase microextraction for the evaluation of partition coefficients of a chlorinated dioxin and hexachlorobenzene into humic substances, Analytical Sciences, 20, 787-791, 2004
  45. ★, Tetra- and Pentacyclic alkanes in the Cretaceous/Tertiary boundary sediments at Kawaruppu, Hokkaido, Japan, Researches in Organic Geochemistry, 17, 33-43, 2002
  46. Mono- and bicyclic alkanes and diamondoid hydrocarbons in the Cretaceous/Tertiary boundary sediments at Kawaruppu, Hokkaido, Japan, Geochemical Journal, 36, 173-189, 2002
  47. ★, Detection of mono- and bicyclic alkanes and their characteristics in Neogene sediments of the Shinjo basin, Japan, Geochemical Journal, 36, 31-49, 2002
  48. ToF-SIMS analysis of carbonaceous particles in the sample catcher of the Hayabusa spacecraft., Earth, Planets and Space, 67, 67, 2015
  49. The Camera of the MASCOT Asteroid Lander on Board Hayabusa 2., Space Science Reviews, 208(1-4), 375-400