Faculty Information, Institute for Chemical Research, Kyoto University   [ English | Japanese ]


SOHRIN, Yoshiki

Division of Environmental Chemistry - Hydrospheric Environment Analytical Chemistry -
Professor
Doctor of Science
URL:
E-mail: sohrin@scl.kyoto-u.ac.jp
Tel: 0774-38-3100
Fax: 0774-38-3099
Academic career
    1986.3 Graduated from Mr. Course, Kyoto University
    1992.1 D. Sci., Kyoto University
    1987.4-1992.4 Associate Instructor, Kyoto University
    1992.4-1996.6 Instructor, Kyoto University
    1996.7-2000.4 Associate Professor, Kanazawa University
    2000.5 - Professor, Kyoto University, Institute for Chemical Research
Research field
    Hydrospheric Chemistry, Analytical Chemistry
Current research
  1. Biogeochemistry of trace elements in the hydrosphere
  2. Iron uptake mechanism of phytoplankton
  3. Ion recognition
Selected publications
  1. Sohrin, Y.; Bruland, K W., Global Status of Trace Elements in the Ocean TrAC Trends in Analytical Chemistry 30, 1291-1307 (2011)
  2. Li, Y-H.; Sohrin, Y.; Takamatsu, T., Lake Biwa and the Ocean: Geochemical Similarity and Difference Limnology 12, 89-101 (2011)
  3. Firdaus, M L.; Minami, T.; Norisuye, K.; Sohrin, Y., Strong Elemental Fractionation of Zr-Hf and Nb-Ta across the Pacific Ocean Nature Geoscience 4, 227-230 (2011)
  4. Cid, A P.; Urushihara, S.; Minami, T.; Norisuye, K.; Sohrin, Y., Stoichiometry among Bioactive Trace Metals in Seawater on the Bering Sea Shelf Journal of Oceanography 67, 747-764 (2011)
  5. Mukai H, Ono S, Maruyama Y, Minami A, Sasamori T, Tokitoh N, Sohrin Y, Solvent Extraction of Metal Ions with 4,5-Bis(diphenylphosphinoyl)-1,2,3-Triazole Journal of Ion Exchange 21, 227-230 (2010)
  6. Nakatsuka S, Okamura K, Takeda S, Nishioka J, Firdaus M L, Norisuye K, Sohrin Y, Behaviors of dissolved and particulate Co, Ni, Cu, Zn, Cd and Pb during a mesoscale Fe enrichment experiment (SEEDS II) in the western North Pacific Deep-Sea Research II 2822-2838 (2009)
  7. Mukai H, Sohrin Y, 4,5-Bis(diphenylphosphinoyl)-1,2,3-triazole ligand: Studies on metal complex formations in liquid-liquid distribution systems Inorganica Chimica Acta 362, 4526-4533 (2009)
  8. Firdaus M L, Nakagawa Y, Norisuye K, Sohrin Y, Marine geochemistry of Zr, Hf, Nb, Ta, Mo and W 海洋化学研究 22, 3-6 (2009)
  9. Firdaus M L, Nakagawa Y, Norisuye K, Sohrin Y, Behaviors of incompatible elements in the western North Pacific Ocean 18th Annual V.M. Goldschmidt Conference 2008 A271 (2008)
  10. Norisuye K, Urushihara S, Nakatsuka S, Kono T, Higo E, Minami T, Sohrin Y, Multiemental determination of GEOTRACES key trace metals by column concentration and ICP-MS 18th Annual V.M. Goldschmidt Conference 2008 A688 (2008)
  11. Nakagawa Y, Firdaus M L, Norisuye K, Sohrin Y, Irisawa K, Hirata T, Precise Mo isotopic analysis on Pacific and Antarctic seawater 18th Annual V.M. Goldschmidt Conference 2008 A670 (2008)
  12. Sohrin Y, Urushihara S, Nakatsuka S, Kono T, Higo E, Minami T, Norisuye K, Umetani S, Multielemental Determination of GEOTRACES Key Trace Metals in Seawater by ICP-MS after Preconcentration Using an Ethylenediaminetriacetic Acid Chelating Resin Analytical Chemistry 80, 6267-6273 (2008)
  13. Nakagawa Y, Firdaus M L, Norisuye K, Sohrin Y, Irisawa K, Hirata T, Precise Isotopic Analysis of Mo in Seawater Using Multiple Collector-Inductively Coupled Mass Spectrometry Coupled with a Chelating Resin Column Preconcentration Method Analytical Chemistry 80, 9213-9219 (2008)
  14. Lai X, Norisuye K, Mikata M Minami T, Bowie A R, Sohrin Y, Spatial and temporal distribution of Fe, Ni, Cu and Pb along 140°E in the Southern Ocean during austral summer 2001/02 Marine Chemistry 111, 171-183 (2008)
  15. Kurahashi K, Umetani S, Sohrin Y, Complex Formation of Zn2+, Cd2+, Al3+, Ga3+ and In3+ with Diaza-crown Ethers and Cryptands in Water as Ion Size Selective Masking Reagents Solvent Extraction Research and Development, Japan 15, 37-44 (2008)
  16. Kurahashi K, Umetani S, Sohrin Y, Solvent Extraction of Divalent Metal Ions with Azacrown Ether Substituted Acylpyrazolones Analytical Sciences 24, 225-229 (2008)
  17. Firdaus M L, Norisuye K, Nakagawa Y, Nakatsuka S, Sohrin Y, Dissolved and labile particulate Zr, Hf, Nb, Ta, Mo and W in the western North Pacific Ocean Journal of Oceanography 64, 247-257 (2008)
  18. Norisuye K, Ezoe M, Nakatsuka S, Umetani S, Sohrin Y, Distribution of bioactive trace metals (Fe, Co, Ni, Cu, Zn and Cd) in the Sulu Sea and its adjacent seas Deep-Sea Res. II 54, 14-37 (2007)
  19. Nakatsuka S, Sohrin Y, Norisuye K, Okamura K, Takeda S, Nishioka J, Physicochemical speciation of trace metals during the mesoscale iron enrichment (SEEDS II) in the western North Pacific Geochimica et Cosmochimica Acta 71, A704 (2007)
  20. Nakatsuka S, Okamura K, Norisuye K, Sohrin Y, Simultaneous determination of suspended particulate trace metals (Co, Ni, Cu, Zn, Cd and Pb) in seawater with small volume filtration assisted by microwave digestion and flow injection inductively coupled plasma mass spectrometer Anal. Chim. Acta 594, 52-60 (2007)
  21. Nakagawa Y, Firdaus M L, Norisuye K, Sohrin Y, Irisawa K, Hirata T., Development of chelate resin column preconcentration method for precise isotope analysis of Mo in seawater Geochimica et Cosmochimica Acta 71, A701 (2007)
  22. Li Y-H, Takamatsu T, Sohrin Y, Geochemistry of Lake Biwa sediments revisited Limnology 8, 321-330 (2007)
  23. Firdaus M L, Norisuye K, Sohrin Y, Determination of Zr, Hf, Nb,Ta, Mo and W in seawater 海洋化学研究 20, 45-46 (2007)
  24. Firdaus M L, Norisuye K, Sato T, Urushihara S, Nakagawa Y, Umetani S, Sohrin Y, Preconcentration of Zr, Hf, Nb, Ta and W in seawater using solid-phase extraction on TSK-8-hydroxyquinoline resin and determination by inductively coupled plasma-mass spectrometry Anal. Chim. Acta 583, 296-302 (2007)
  25. Norisuye K, Okamura K, Sohrin Y, Hasegawa H, Nakanishi T, Large Volume Preconcentration and Purification for Determining the 240Pu/239Pu Isotopic Ratio and 238Pu/239+240Pu Alpha-activity Ratio in Seawater Journal of Radioanalytical and Nuclear Chemistry 267, 183-193 (2006)
  26. Minami T, Sohrin Y, Ueda J, Selective Coprecipitation of Chromium(III) in Water with Scandium Hydroxide Prior to Graphite Furnace Atomic Absorption Spectrometric Determination Transactions of The Research Institute of Oceanochemistry 19, 13-21 (2006)
  27. Firdaus M L, Norisuye K, Sato T, Urushihara S, Nakagawa Y, Sohrin Y, Determination and distribution of Zr, Hf, Nb, Ta and W in the North Pacific Ocean Geochimica et Cosmochimica Acta 70, A175 (2006)
  28. Minami T, Sohrin Y, Ueda J, Determination of Chromium, Copper and Lead in River Water by Graphite-Furnace Atomic Absorpition Spectrometry after Coprecipitation with Terbium Hydroxide Analytical Sciences 21, 1519-1521 (2005)
  29. Kinugasa M, Ishita T, Sohrin Y, Okamura K, Takeda S, Nishioka J, Tsuda A, Dynamics of trace metals during the subarctic Pacific iron experiment for ecosystem dynamics study (SEEDS2001) Progress in Oceanography 64, 129-147 (2005)
  30. Okamura K, Hatanaka H, Kimoto H, Suzuki M, Sohrin Y, Nakayama E, Gamo T, Ishibashi J, Development of an in situ manganese analyzer using micro-diaphragm pumps and its application to time-series observations in a hydrothermal field at Suiyo seamount Geochemical Journal press 38, 635-642 (2004)
  31. Mito S, Sohrin Y, Norisuye K, Matsui M, Hasegawa H, Maruo M, Tsuchiya M, Kawashima M, Budget of dissolved trace metals in Lake Biwa Japan Limnology 5(1), 7-16 (2004).
  32. Kitano T, Sohrin Y, Hata Y, Mukai H, Wada H, Ueda K, Highly selective extraction of Cu(II) and Zn(II) using [B(3-iPrpz)4]- (iPrpz = isopropylpyrazolyl) Polyhedron 23, 283-289 (2004)
  33. Kishida K, Sohrin Y, Okamura K, Ishibashi J, Tungsten enriched in submarine hydrothermal fluids Earth and Planetary Science Letters 222, 819-827 (2004).
  34. Ezoe M , Ishita T , Kinugasa M , Lai X, Norisuye K, Sohrin Y, Distributions of dissolved and acid-dissolvable bioactive trace metals in the North Pacific Ocean Geochemical Journal 38, 535-550 (2004)
  35. Sohrin Y, Mikata M, Minami T, Norisuye K, Zr, Nb, Hf, Ta, and W in the northwest Pacific Ocean Geochimica et Cosmochimica Acta 67, A441 (2003)
  36. Yoshimoto S, Mukai H, Kitano T, Sohrin Y, Copper(II)-selective membrane electrode based on hydrotris(3-isopropylpyrazolyl)methane in a poly(vinyl chloride) matrix Analytica Chimica Acta 494, 207-213 (2003).
  37. Tsuda A, Takeda S, Saito H, Nishioka J, Nojiri Y, Kudo I, Kiyosawa H, Shiomoto A, Imai K, Ono T, Shimamoto A, Tsumune D, Yoshimura T, Aono T, Hinuma A, Kinugasa M, Suzuki K, Sohrin Y, Noiri Y, Tani H, Deguchi Y, Tsurushima N, Ogawa H, Fukami K, Kuma K, A Mesoscale Iron Enrichment in the Western Subarctic Pacific Induces a Large Centric Diatom Bloom Science 300, 958-961 (2003).
  38. Mikata M, Sohrin Y, Distribution and speciation of trace elements in the South Pacific and the Southern Ocean Preliminary Report of The Hakuho Maru Cruise KH-01-3 69-70 (2003)
  39. Kitano T, Sohrin Y, Hata Y, Wada H, Hori T, Ueda K, Improved Selectivity for Cu(II) of Methyl-Substituted Poly(pyrazolyl)-borates, [HB(3-Mepz)3]- and [B(3-Mepz)4]-, through Steric Contact Bulletin of the Chemical Society of Japan 76, 1365-1373 (2003).
  40. Suzuki K, Liu H, Saino T, Obata H, Takano M, Okamura K, Sohrin Y, Fujishima Y, East-west gradients in the photosynthetic potential of phytoplankton and iron concentration in the subarctic Pacific Ocean during early summer SOCR-JOS International Symposium ABSTRACTS 108 (2002)
  41. Sohrin Y, Bioactive trace metals in the North Pacific Ocean SOCR-JOS International Symposium ABSTRACTS 44 (2002)
  42. Sohrin Y, Kishida K, Okamura K, Ishibashi J, Tungsten and molybdenum in hydrothermal fluids of the Izu-Bonin Arc and the Okinawa Trough Geochimica et Cosmochimica Acta 66, A726 (2002)
  43. Norisuye K, Okamura K, Sohrin Y, Hasegawa H, Nakanishi T, 240Pu/239Pu isotopic ratio in the western northwest Pacific Ocean Geochimica et Cosmochimica Acta 66, A559 (2002)
  44. Suzuki K, Liu H, Saino T, Obata H, Takano M, Okamura K, Sohrin Y, Fujishima Y, East-west gradients in the photosynthetic potential of phytoplankton and iron concentration in the subarctic Pacific Ocean during early summer Limnol. Oceanogr. 47, 1581-1594 (2002)
  45. Nagao S, Yanase N, Yamamoto M, Kofuji H, Sohrin Y, Amano H, The geochemistry of uranium in pore waters from lake sediments Journal of Radioanalytical and Nuclear Chemistry 252, 225-232 (2002)
  46. Mito S, Kawashima M, Sohrin Y, Characterization of suspended solids in Lake Biwa by measuring their elemental composition of Al, Si, P, S, K, Ca, Ti, Mn, and Fe Limnology 3, 11-19 (2002)
  47. Hasegawa H, Sohrin Y, Matsui M, Takeda N, Ueda K, Chemical speciation of inorganic and methylarsenic(III) compounds in aqueous solutions Applied Organometallic Chemistry 16, 446-450 (2002)
  48. Hasegawa H, Shinoura M, Mizunoto H, Naito K, Sohrin Y, Ueda K, Photosynthesis regulation of phytoplankton by organic complexation of iron Journal of Global Environment Engineering 8, 45-53 (2002).
  49. Yoshimoto S, Mukai H, Sohrin Y, Steric Control of Selectivity in Metal Ion-selective Membrane Electrode based on Polypyrazolylmethanes Anal. Sci. 17, Supplement, i1705-i1708 (2001)
  50. Sohrin Y, Kinugasa M, Okamura K, Norisuye K, Ishita T, Fujishima Y, Hasegawa H, Ueda K, Determination of Trace Metals in the Ocean by MAF-8HQ Column Extraction-ICP-MS Anal. Sci. 17, Supplement, i1-i4 (2001)
  51. Norisuye K, Okamura K, Sohrin Y, Hasegawa H, Nakanishi T, Determination of 240Pu/239Pu Ratio in the Ocean by Using HR-ICP-MS Anal. Sci. 17, Supplement, i29-i32 (2001)
  52. Naito K, Suzuki M, Mito S, Hasegawa H, Imai I, Sohrin Y, Matsui M, The Pursuit of Siderophore Secreted by Marine Phytoplankton Rhodomonas ovalis Anal. Sci. 17, Supplement, i817-i819 (2001)
  53. Kitano T, Wada H, Mukai H, Ueda K, Sohrin Y, Separation of Transition Metals with Poly(pyrazolyl)borates by Solvent Extraction Technique Anal. Sci. 17, Supplement, i1113-i1116 (2001)
  54. Kitano T, Sohrin Y, Hata Y, Kawakami H, Hori T, Ueda K, Selectivity of sterically efficient [HB(pz)3]- and crowded [B(pz)4]- for first-series transition metals and Cd J. Chem. Soc., Dalton Trans. , 3564-3571 (2001)
  55. Hasegawa H, Sohrin Y, Seki K, Sato M, Norisuye K, Naito K, Matsui M, Biosynthesis and release of methylarsenic compounds during the growth of freshwater algae Chemosphere 43, 265-272 (2001)
  56. Hasegawa H, Matsui M, Suzuki M, Naito K, Ueda K, Sohrin Y, The possibility of regulating the species composition of marine phytoplankton using organically complexed iron Anal. Sci. 17, 209-211 (2001)
  57. Fujishima Y, Ueda K, Maruo M, Nakayama E, Tokutome C, Hasegawa H, Matsui M, Sohrin Y, Distribution of Trace Bioelements in the Subarctic North Pacific Ocean and the Bering Sea (the R/V Hakuho-Maru Cruise KH-97-2) Journal of Oceanography 57, 261-273 (2001)
  58. Sohrin Y, Fujishima Y, Ueda K, Koyama H, Hasegawa H, Matsui M, Distribution of trace metals in the subarctic North Pacific Ocean and the Bering Sea International Symposium on Carbon Cycle in the North Pacific, Programme and Abstracts 35 (2000)
  59. Sohrin Y, Iwamoto S, Matsui M, Obata H, Nakayama E, Suzuki K, Handa N, Ishii M, The distribution of Fe in the Australian sector of the Southern Ocean Deep-Sea Res. I 47, 55-84 (2000)
  60. Sohrin Y, Trace Elements Observation R/V Mirai MR00-K06 Cruise Report 173-174 (2000)
  61. Norisuye K, Hasegawa H, Mito S, Sohrin Y, Matsui M, A method for preconcentrating Zr from large volumes of seawater using MnO2-impregnated fibers Talanta 53, 639-644 (2000)
  62. Mito S, Matsui M, Sohrin Y, Hasegawa H, Kawashima M, Dissolved Trace Elements in Lake Biwa ICR Annual Report 7, 14-15 (2000)
  63. Fukuda R, Sohrin Y, Saotome N, Fukuda H, Nagata T, Koike I, East-west gradient in ectoenzyme activities in the subarctic Pacific: Possible regulation by zinc Limnol. Oceanogr. 45, 930-939 (2000)
  64. Sohrin Y, Matsui M, Nakayama E, Contrasting behavior of tungsten and molybdenum in the Okinawa Trough, the East China Sea and the Yellow Sea Geochimica et Cosmochimica Acta 63, 3457-3466 (1999)
  65. Sohrin Y, Gamo T, the Shipboard Science Party of the INDOYO, CTD observations to search for hydrothermal activity on the Southwest Indian Ridge and the Central Indian Ridge just north of the Rodriguez Triple Junction: the Yokosuka/Shinkai MODE'98 Leg 3 INDOYO cruise JAMSTEC Journal of Deep Sea Research 2 15, 7-11 (1999)
  66. Sohrin Y, Gamo T, The search for active venting on the South West Indian Ridge and near the Rodriguez Triple Junction during the Yokosuka/Shinkai MODE'98 Leg 3 INDOYO cruise 国際海嶺研究計画−中央海嶺とマントルダイナミクス−　平成8年度〜平成10年度科学研究費補助金国際学術研究　研究成果報告書 27-29 (1999)
  67. Sohrin Y, Fujishima Y, Ueda K, Hasegawa H, Matsui M, Simultaneous analysis of trace elements in seawater: For elucidation of effects of trace elements on marine ecosystem Proceedings of the International Symposium Kanazawa, 1999: Earth-Water-Humans 75-80 (1999)
  68. Hasegawa H, Matsui M, Okamura S, Hojo M, Iwasaki N, Sohrin Y, Arsenic Speciation Including 'Hidden' Arsenic in Natural Waters Applied Organometallic Chemistry 13, 113-119 (1999)
  69. Fujishima Y, Sohrin Y, Ueda K, Hasegawa H, Matsui M, Distribution of dissolved Zr, Hf, Nb and Ta in seawater by ICP mass spectrometry Proceedings of the International Symposium Kanazawa, 1999: Earth-Water-Humans 85-91 (1999)
  70. Fujimoto H, Cannat M, Fujioka K, Gamo T, German C, Mevel C, Muench U, Ohta S, Oyaizu M, Parson L, Searle R, Sohrin Y, Yama-ashi T, Submersible Investigations of the Mid-Ocean Ridges near the Triple Junction in the Indian Ocean JAMSTEC Journal of Deep Sea Research 2 15, 1-6 (1999)
  71. Fujimoto H, Cannat M, Fujioka K, Gamo T, German C, Mevel C, Muench U, Ohta S, Oyaizu M, Parson L, Searle Roger, Sohrin Y, Yama-ashi T, First Submersible Investigations of mid-ocean ridges in the Indian Ocean InterRidge News 8, 22-24 (1999)
  72. Tokutome C, Sohrin Y, Distribution of trace elements in the subarctic North Pacific and the Bering Sea Preliminary Report of the R/V Hakuho Maru Cruise KH-97-2. Subarctic North Pacific and Bering Sea Ecosystem Expedition 61-63 (1998)
  73. Sohrin Y, Iwamoto S, Akiyama S, Fujita T, Kugii T, Obata H, Nakayama E, Goda S, Fujishima Y, Hasegawa H, Ueda K, Matsui M, Determination of trace elements in seawater by fluorinated metal alkoxide glass-immobilized 8-hydroxyquinoline concentration and high-resolution inductively coupled plasma mass spectrometry detection Analytica Chimica Acta 363, 11-19 (1998)
  74. Sohrin Y, Fujishima Y, Ueda K, Akiyama S, Mori K, Hasegawa H, Matsui M, Dissolved niobium and tantalum in the North Pacific Geophysical Research Letters 25, 999-1002 (1998)
  75. Hasegawa H, Matsui M, Sohrin Y, Arsenic Speciation Including 'Hidden' Arsenic in Natural Waters ICR Annual Report 5, 14-15 (1998)
  76. Fujimoto H, Mevel C, Cannat M, Gamo T, German C, Fujioka K, Muench U, Ohta S, Oyaizu M, Parson,L, Searle,R, Sohrin,Y, Yama-ashi,T, MODE'98 Leg 3 INDOYO Cruise Onboard Report (1998)
  77. Sohrin Y, Matsui M, Kawashima,M, Hojo M, Hasegawa H, Arsenic Biogeochemistry Affected by Eutrophication in Lake Biwa, Japan ICR Annual Report 4, 14-15 (1997)
  78. Sohrin Y, Matsui M, Kawashima M, hojo M, Hasegawa H, Arsenic biogeochemistry affected by eutrophication in Lake Biwa, Japan Enviromental Science & Technology 31, 2712-2720 (1997)
  79. Mori K, Sohrin Y, Distribution and speciation of trace elements in the east Indian Ocean Preliminary Report of The Hakuho Maru Cruise KH-96-5 (Piscis Austrinus Expedition) 134-136 (1997)
  80. Sohrin Y, Tateishi T, Mito S, Matsui M, Maeda H, Hattori A, Kawashima M, Hasegawa H, Nutrients of Lake Biwa in the Unusually Cool and Hot Summers of 1993 and 1994 Lakes & Reservoirs: Research and Management 2, 77-87 (1996)
  81. Sohrin Y, Iwamoto S, Study of the distribution and speciation of trace elements in the Southern Ocean Preliminary Report of the R/V Hakuho Maru Cruise KH-94-4. Southern Ocean Expedition 58-62 (1996)
  82. Kokusen H, Sohrin Y, Matsui M, Hata Y, Hasegawa H, Selectivity design using interligand contact: solvent extraction and structures of first-series-transition metal-bis(pyrazolyl-1-yl)borate complexes Journal of the Chemical Society, Dalton Transactions , 195-201 (1996)
  83. Sohrin Y, Tateishi T, Matsui M, Kawashima M, Hasegawa H, Arsenic biogeochemistry affected by eutrophication in Lake Biwa, Japan ICR Annual Report 2, 14-15 (1995)
  84. Sohrin Y, Tateishi T, Matsui M, Kawashima M, Hasegawa H, Influence of the Summer Climate on Water of Lake Biwa; 1993-1994 6th International Conference on the Conservation and Management of Lakes-Kasumigaura '95 2, 868-871 (1995)
  85. Sohrin Y, Kokusen H, Matsui M, Control of Ligand Field Strength through Intra- and Interligand Contact. Octahedral Iron(II) Poly(pyrazolyl)borate Complexes Inorganic Chemistry 34, 3928-3934 (1995)
  86. Sohrin Y, Hasegawa H, Matsui M, Speciation of organoarsenical compounds in the hydrosphere Biogeochemical Processes and Ocean Flux in the Western Pacific 129-138 (1995)
  87. Kokusen H, Sohrin Y, Hasegawa H, Kihara S, Matsui M, Steric Control of Selectivity for Lanthanoids in Liquid-Liquid Extraction with Tris- and Tetrakis(pyrazol-1-yl)borate-b-Diketone Mixed-Ligand Systems Bulletin of the Chemical Society of Japan 68, 172-177 (1995)
  88. Hasegawa H, Sohrin Y, Matsui M, Hojo M, Kawashima M, Seasonal Cycle of Arsenic and the Behavior of Trivalent Methylarsenicals in Lake Biwa 6th International Conference on the Conservation and Management of Lakes-Kasumigaura '95 2, 1144-1147 (1995)
  89. Sohrin Y, Matsui M, Kokusen H, New Mode of Ion Size Discrimination for Group 2 Metals Using Poly(pyrazolyl)borate Ligands. Control of Stability and Structure of Chelate Complexes by Intra- and Interligand Contact and Shielding Effect ICR Annual Report 1, 14-15 (1994)
  90. Sohrin Y, Matsui M, Hata Y, Hasegawa H, Kokusen H, New Mode of Ion Size Discrimination for Group 2 Metals Using Poly(pyrazolyl)borate Ligands. 2. Control of Stability and Structure of Chelate Complexes by Intra- and Interligand Contact and Shielding Effect Inorganic Chemistry 33, 4376-4383 (1994)
  91. Sasaki T, Sohrin Y, Hasegawa H, Kokusen H, Kihara S, Matsui M, Separation of Methylated and Inorganic Germanium by Liquid-Liquid Extraction with Organic Ligands Containing a Negatively Charged Oxygen Donor Analytical Chemistry 66, 271-275 (1994)
  92. Hasegawa H, Sohrin Y, Matsui M, Hojo M, Kawashima M, Speciation of Arsenic in Natural Waters by Solvent Extraction and Hydride Generation Atomic Absorption Spectrometry Analytical Chemistry 66, 3247-3252 (1994)
  93. Sohrin Y, Kokusen H, Kihara S, Matsui M, Kushi Y, Shiro M, New Mode of Ion Size Discrimination for Group 2 Metals Using Poly(pyrazolyl)borate Ligands. Control of Stability and Structure of Chelate Complexes by Intraligand Contact Journal of the American Chemical Society 115, 4128-4136 (1993)
  94. Nakayama E, Sohrin Y, Isshiki K, Determination of some oxyacid elements and manganese in seawater and their distributions in some unique environments of the North Pacific Deep Ocean Circulation. Physical and Chemical Aspects 199-208 (1993)
  95. Yasuda N, Kokusen H, Sohrin Y, Kihara S, Matsui M, Solvent Extraction of Divalent Metals as Dihydrobis(1-pyrazolyl)borate Chelates Bulletin of the Chemical Society of Japan 65, 781-785 (1992)
  96. Sohrin Y, Kokusen H, Kihara S, Matsui M, Kushi Y, Shiro M, X-Ray Structure of [Be{B(pz)4}2] and [Be3(OH)3{HB(pz)3}3]. Different Structures and Multiple-Point Bindings in Polypyrazolylborate Complexes Chemistry Letters 21, 1461-1464 (1992)
  97. Shirai O, Kihara S, Sohrin Y, Matsui M, Some Experimental Results Relating to Cold Nuclear Fusion Bulletin of the Institute for Chemical Research, Kyoto University 69, 550-559 (1992)
  98. Sohrin Y, Kihara S, Matsui M, Liquid-Liquid Extraction of Methylated and Inorganic Germanium as the Halide Complex Analytical Sciences 7, suppl., 17-20 (1991)
  99. Sohrin Y, Formation of Halide Complexes of Methyl- and Inorganic Germanium(IV) in Aqueous Hydrohalogenic Acid Solutions Bulletin of the Chemical Society of Japan 64, 3363-3371 (1991)
  100. Sohrin Y, Determination of organometallic and inorganic germanium by inductively coupled plasma atomic emission spectrometry Analytica Chimica Acta 247, 1-6 (1991)
  101. Sohrin Y, Liquid-Liquid Extraction of Organometallic and Inorganic Germanium as the Chloride Complex Analytical Chemistry 63, 811-814 (1991)
  102. Shirai O, Kihara S, Sohrin Y, Matsui M, Some Experimental Results Relating to Cold Nuclear Fusion Bulletin of the Institute for Chemical Research, Kyoto University 69, 550-559 (1991)
  103. Kokusen H, Sohrin Y, Kihara S, Matsui M, Complex Formation Reaction of Polypyrazolylborates with Divalent Metal Ions in Aqueous Solution Studied by Solvent Extraction Technique Analytical Sciences 7suppl., 7-10 (1991)
  104. Kihara S, Sanada M, Kuwada S, Sohrin Y, Shirai O, Kokusen H, Suzuki M, Matsui M, Abiotic Photosynthesis of Substances Relative to the Origin of Life from Aqueous Ammonium Carbonate Solutions Analytical Sciences 7, suppl., 663-666 (1991)
  105. Kihara S, Maeda K, Suzuki M, Sohrin Y, Shirai O, Matsui M, Voltammetric Analysis of Chemical Reactions at Liquid/Liquid or Liquid/Membrane Interfaces Analytical Sciences 7, suppl., 1415-1420 (1991)
  106. Isshiki K, Sohrin Y, Nakayama E, Form of dissolved silicon in seawater Marine Chemistry 32, 1-8 (1991)
  107. Kihara S, Sanada M, Kuwada S, Sohrin Y, Shirai O, Suzuki M, Matsui M, Abiotic Photosynthesis of Substances Relative to the Origin of Life from Aqueous Ammonium Carbonate Solutions Bulletin of the Institute for Chemical Research, Kyoto University 68, 213-217 (1990)
  108. Sohrin Y, Isshiki K, Nakayama E, Kihara S, Matsui M, Simultaneous Determination of Tungsten and Molybdenum in Sea Water by Catalytic Current Polarography after Preconcentration on a Resin Column Analytica Chimica Acta 218, 25-35 (1989)
  109. Nakayama E, Sohrin Y, Isshiki K, Karatani H, Yamada E, Effects of temperature on the solvent-extraction of zinc and cadmium complexes with 8-quinolinol and 2-methyl-8-quinolinol into 1,1,2,2-tetrachloroethane, 1-octanol, and para-xylene Bulletin of the Chemical Society of Japan 62, 2512-2519 (1989)
  110. Nakayama E, Kimoto T, Isshiki K, Sohrin Y, Okazaki S, Determination and distribution of iodide-iodine and total-iodine in the North Pacific-Ocean- by using a new automated electrochemical method Marine Chemistry 27, 105-116 (1989)
  111. Nakayama E, Isshiki K, Sohrin Y, Karatani H, Automated-determination of manganese in seawater by electrolytic concentration and chemi-luminescence detection Analytical Chemistry 61, 1392-1396 (1989)
  112. Kokusen H, Ishido T, Sohrin Y, Kihara S, Matsui M, Solvent Extraction of Hard Acid Metals with Polypyrazolylborate Derivatives Proceedings of Symposium on Solvent Extraction 61-66 (1989)
  113. Isshiki K, Sohrin Y, Karatani H, Nakayama E, Preconcentration of chromium(III) and chromium(VI) in sea-water by complexation with quinolin-8-ol and adsorption on macroporous resin Analytica Chimica Acta 224, 55-64 (1989)
  114. Gamo T, Ishibashi J, Shitashima K, Kinoshita M, Watanabe M, Nakayama E, Sohrin Y, Kim E-S, Masuzawa T, Fujioka K, Anomalies of bottom CH4 and trace-metal concentrations associated with high heat-flow at the calyptogena community off Hatsu-Shima Island, Sagami Bay, Japan-a preliminary-report of Tansei-Maru KT-88-1 Cruise Leg-1 Geochemical Journal 22, 215-230 (1988)
  115. Yasuda N, Nakao N, Sohrin Y, Kihara S, Matsui M, Extraction Behavior of Metals as Hydrotris(1-pyrazolyl)borate and Tetrakis(1-pyrazolyl)borate Chelates Proceedings of Symposium on Solvent Extraction 203-208 (1987)
  116. Sohrin Y, Isshiki K, Kuwamoto T, Nakayama E, Tungsten in North Pacific Waters Marine Chemistry 22, 95-103 (1987)
  117. Sohrin Y, Isshiki K, Kuwamoto T, Nakayama E, Determination of germanium by graphite-furnace atomic-absorption spectrometry Talanta 34, 341-344 (1987)

Update: Apr 02,2012