SHOJI ISHIZAKA

Last Updated :2024/10/01

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Professor
Web Site
E-mail
ishizakahiroshima-u.ac.jp
Self-introduction
Micrometer-sized water droplets are very important as a model reaction system of cloud droplets. There are many unsolved issues related to the nucleation and growth of cloud droplets in the atmosphere. A laser trapping - microspectroscopy (absorption/emission/Raman) technique is the powerful means to study on aerosol chemistry, since the technique can manipulate and interrogate an arbitrary-sized single droplet in a gas phase.

Basic Information

Major Professional Backgrounds

  • 1998/10/01, 2007/03/31, HOKKAIDO UNIVERSITY, Research Associate
  • 2007/04/01, 2011/09/30, HOKKAIDO UNIVERSITY, Assistant Professor
  • 2009/10/01, 2013/03/31, JST, Researcher
  • 2011/10/01, 2016/03/31, Hiroshima University, Graduate School of Science, Associate Professor
  • 2015/03/09, 2015/04/03, Lille 1 University, Invited Professor
  • 2015/09/14, 2015/10/14, CNRS, Visiting Researcher
  • 2016/04/01, 2020/03/31, Hiroshima University, Graduate School of Science, Professor
  • 2020/04/01, Hiroshima University, Graduate School of Advanced Science and Engineering, Professor

Academic Degrees

  • Doctor of Science, HOKKAIDO UNIVERSITY
  • Master of Science, HOKKAIDO UNIVERSITY

Educational Activity

  • [Bachelor Degree Program] School of Science : Chemistry : Chemistry
  • [Master's Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Chemistry Program
  • [Doctoral Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Chemistry Program

Research Fields

  • Chemistry;Applied chemistry;Analytical chemistry

Research Keywords

  • Photochemistry
  • Aerosol
  • Laser trapping

Educational Activity

Course in Charge

  1. 2024, Liberal Arts Education Program1, 2Term, Modern Chemistry
  2. 2024, Undergraduate Education, First Semester, Special Study for Graduation
  3. 2024, Undergraduate Education, Second Semester, Special Study for Graduation
  4. 2024, Undergraduate Education, 2Term, Instrumental Analytical Chemistry
  5. 2024, Undergraduate Education, 2Term, Inorganic Chemistry II
  6. 2024, Graduate Education (Master's Program) , First Semester, Exercises in Chemistry A
  7. 2024, Graduate Education (Master's Program) , Second Semester, Exercises in Chemistry B
  8. 2024, Graduate Education (Master's Program) , Academic Year, Master's Thesis in Chemistry
  9. 2024, Graduate Education (Doctoral Program) , Academic Year, Doctoral Thesis in Chemistry

Research Activities

Academic Papers

  1. Tuning the Ground- and Excited-State Redox Potentials of Octahedral Hexanuclear Rhenium(III) Complexes by the Combination of Terminal Halide and N‑Heteroaromatic Ligands, ACS Omega, 7, 26965-26982, 20220721
  2. Spectroscopic studies on the photochemical decarboxylation mechanisms of synthetic pyrethroids, PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES, 11(12), 1897-1904, 201212
  3. Syntheses and Luminescent Properties of 3,5-Diphenylpyrazolato-Bridged Heteropolynuclear Platinum Complexes. The Influence of Chloride Ligands on the Emission Energy Revealed by the Systematic Replacement of Chloride Ligands by 3,5-Dimethylpyrazolate, INORGANIC CHEMISTRY, 51(15), 7977-7992, 20120806
  4. Flow Chemiluminescence Determination of Antimony(III,V) Using a Rhodamine B-Cetyltrimethylammonium Chloride Reversed Micelle System Following Liquid-Liquid Extraction, ANALYTICAL SCIENCES, 29(1), 73-77, 201301
  5. Laser Trapping and Raman Spectroscopy of Single Aerosol Water Droplets, BUNSEKI KAGAKU, 62(5), 361-367, 201303
  6. Mechanical stimulation and solid seeding trigger single-crystal-to-single-crystal molecular domino transformations, NATURE COMMUNICATIONS, 4, 201306
  7. In situ Quantification of Ammonium Sulfate in Single Aerosol Droplets by Means of Laser Trapping and Raman Spectroscopy, ANALYTICAL SCIENCES, 29(12), 1223-1226, 201312
  8. Time-resolved Total Internal Reflection Fluorometry of 1-Pyrene Sulfonate Anion at a Liquid/Liquid Interface, Analytical Sciences, 12(5), 701-705, 19961001
  9. Effects of light-scattering coefficient of adsorbent in diffuse reflectance spectroscopy of dye-doped microparticles, Analytical Sciences, 13(5), 791-796, 19971001
  10. Excitation energy transfer from sulforhodamine 101 to Acid Blue 1 at a liquid/liquid interface: Experimental approach to estimate interfacial roughness, Analytical Chemistry, 71(16), 3382-3389, 19990801
  11. Total internal reflection fluorescence dynamic anisotropy of Sulforhodamine 101 at a liquid/liquid interface: Rotational reorientation times and interfacial structures, Analytical Chemistry, 71(2), 419-426, 19990101
  12. Unusual capping chalcogenide dependence of the luminescence quantum yield of the hexarhenium(III) cyano complexes [Re-6(mu(3)-E)(8)(CN)(6)](4-), E2- = Se2- > S2- > Te2-, Chemistry Letters, 10, 1121-1122, 19991001
  13. Hexarhenium(III) clusters [Re-6(mu(3)-S)(8)X-6](4-) (X- = Cl-, Br-, I-) are luminescent at room temperature, Chemistry Letters, 7, 697-698, 19990701
  14. Photoredox ability of a hexarhenium(III) cluster [Re-6(mu(3)-S)(8)Cl-6](4-), Chemistry Letters, 3, 234-235, 20000301
  15. Emission and metal- and ligand-centered-redox characteristics of the hexarhenium(III) clusters trans- and cis-[Re-6(mu(3)-S)(8)Cl-4(L)(2)](2-), where L is a pyridine derivative or pyrazine, Inorganic Chemistry, 39(8), 1765-1772, 20000401
  16. Chelate formation around a hexarhenium cluster core by the diphosphane ligand Ph2P(CH2)(6)PPh2, Angewandte Chemie International Edition, 40(1), 239-242, 20010101
  17. Octa(mu(3)-selenido)hexarhenium(III) complexes containing axial monodentate diphosphine or diphosphine-monoxide ligands, Chemistry - A European Journal, 7(20), 4447-4455, 20011001
  18. Time-resolved total internal reflection fluorometry study on polarity at a liquid/liquid interface, Analytical Chemistry, 73(11), 2421-2428, 20010601
  19. Time-resolved total internal reflection fluorometry study on chemical and structural characteristics at water/oil interfaces, Bulletin of the Chemical Society of Japan, 74(11), 1983-1998, 20011101
  20. Fluorescence dynamic anisotropy of spinach calmodulin labeled by a fluorescein chromophore at Cys-26, Analytical Sciences, 18(6), 689-691, 20020601
  21. Self-assembly luminescent heteroheptanuclear complexes with metal diphosphine and metal thiolate as components, Chemical Communications, 1934-1935, 20020701
  22. Direct observation of molecular recognition mediated by triple hydrogen bonds at a water/oil interface: Time-resolved total internal reflection fluorometry study, Analytical Chemistry, 75(22), 6035-6042, 20031101
  23. Preparation, structures, and redox and emission characteristics of the isothiocyanate complexes of hexarhenium(III) clusters [Re-6(mu(3)-E)(8)(NCS)(6)](4-) (E = S, Se), Inorganic Chemistry, 42(16), 4857-4863, 20030801
  24. Photoinduced redox cycle of riboflavin at a water/oil interface, Analytical Sciences, 20(11), 1587-4592, 20041101
  25. Time-resolved total internal reflection fluorescence study on hybridization of complementary single-stranded DNAs at a water/oil interface, Analytical Chemistry, 76(17), 5075-5079, 20040901
  26. Spectroscopic evidence for Pt-Pt interaction in a Langmuir-Blodgett film of an amphiphilic platinum(II) complex, Journal of Physical Chemistry B, 108(48), 18665-18669, 20041201
  27. Fluorescent crystalloluminescence of N-isopropylcarbazole, Journal of Physical Chemistry B, 108(9), 2822-2826, 20040301
  28. Luminescence ranging from red to blue: A series of copper(I)-halide complexes having rhombic {Cu-2(mu-X)(2)} (X=Br and I) units with N-heteroaromatic ligands, Inorganic Chemistry, 44(26), 9667-9675, 20051201
  29. Excited-state proton transfer dynamics of 6-hydroxypyrene-1-sulfonic acid at a water/1,2-dichloroethane interface, Bunseki Kagaku, 54(6), 473-478, 20050601
  30. Time-resolved total-internal-reflection fluorescence study on molecular interactions at liquid/liquid interfaces, Bunseki Kagaku, 54(5), 339-346, 20050501
  31. A spectroscopic and photophysical study on molecular recognition via hydrogen-bonding and pi-pi stacking interactions, Photochemical & Photobiological Sciences, 4(1), 135-142, 20050901
  32. Temperature dependent emission of hexarhenium(III) clusters [Re-6(mu(3)-S)(8)X-6](4-) (X = Cl-, Br-, and I-): Analysis by four excited triplet-state sublevels, Inorganic Chemistry, 44(18), 6308-6313, 20050901
  33. Laser-induced liquid-to-droplet extraction of chlorophenol: Photothermal phase separation of aqueous triethylamine solutions, Analytical Chemistry, 77(18), 6055-6061, 20050901
  34. Molecular probe for a fluorous medium: Long-lived phosphorescence of alpha-diketones in perfluoromethylcyclohexane at room temperature, Analytical Sciences, 21(3), 303-308, 20050301
  35. A thermodynamic study on the complexation between riboflavin and a diaminotriazine derivative mediated by triple hydrogen bonds at water/oil interfaces, Analytical and Bioanalytical Chemistry, 386(3), 749-758, 20061001
  36. Structural, redox, and photophysical studies of the tetra(pyridyl)porphyrin complex containing four (2,2 '-bipyridine)(2,2 ': 6 ',2 ''-terpyridine)ruthenium(II) groups, Inorganic Chemistry, 45(17), 6875-6883, 20060801
  37. Synthesis, structure and emissive properties of Copper(I) complexes [Cu-2((I)mu-1,8-naphtyridine)(PPh3)(2)] (X=I, Br) with a butterfly-shaped dinuclear core having a short Cu-Cu distance, Inorganic Chemistry, 46(24), 10032-10034, 20071101
  38. A family of octahedral rhenium cluster complexes [Re(6)Q(8)(H2O)(n)(OH)(6-n)](n-4) (Q = S, Se; n=0-6): Structural and pH-Dependent spectroscopic studies, Inorganic Chemistry, 46(18), 7414-7422, 20070901
  39. Reversible mechanochromic luminescence of [(C(6)F(5)Au)(2)(mu-1,4-diisocyanobenzene)], Journal of the American Chemical Society, 130(31), 10044-100045, 20080801
  40. Excitation energy flow control in {Ru(2,2 '-bipyridine)(2)}-{pyridylporphyrin}(2) systems, DALTON TRANSACTIONS, 1541-1543, 20080201
  41. Heteropolynuclear complexes of 3,5-dimethylpyrazolate [Pt2M4(Me(2)pz)(8)] (M = Ag, Cu). Highly luminescent character of the triplet excited state based on mixed-metal cores, Inorganic Chemistry, 47(12), 5033-5035, 20080601
  42. The First Octahedral Cluster Complexes With Terminal Formate Ligands: Synthesis, Structure, and Properties of K-4[Re6S8(HCOO)(6)] and Cs-4[Re6S8(HCOO)(6)], Inorganic Chemistry, 48(5), 2309-2315, 20090301
  43. Femtosecond transient absorption study on relaxation intermediates in oxymyoglobin, Photochemical & Photobiological Sciences, 8(4), 562-566, 20090301
  44. Linkage-structure dependences of the spectroscopic and photophysical properties of anthracene derivatives: Tri(9-anthryl)benzene and tri(9-anthryl)borane, Journal of Photochemistry and Photobiology a-Chemistry, 207(1), 102-108, 20090901
  45. Luminescent Heteropolynuclear Complexes of 3,5-Dimethylpyrazolate [Pt2Au2M2(Me(2)pz)(8)] (M = Ag, Cu) Showing the Synergistic Effect of Three Transition Elements in the Excited State, Chem. Eur. J., 15(17), 4238-4242, 20090301
  46. Laser trapping and picosecond time-resolved spectroscopy of water droplets in air: cavity-enhanced spontaneous emission of Ru(bpy)(3)Cl-2, Physical Chemistry Chemical Physics, 12(33), 9852-9857, 20100601
  47. A ratiometric TICT-type dual fluorescent sensor for an amino acid, Physical Chemistry Chemical Physics, 12(25), 6641-6649, 20100401
  48. Pyrazolato- and 3,5-Dimethylpyrazolato-Bridged Dinuclear Platinum(II), Palladium(II), and Their Mixed-Metal Complexes of 2,2 '-Bipyrimidine. Syntheses, Structures, and Luminescent Properties, Bulletin of the Chemical Society of Japan, 83(12), 1504-1510, 20101201
  49. Photoluminescent Properties of Chalcobromide-capped Octahedral Hexarhenium(III) Complexes [{Re(6)Q(8-n)Br(n)}Br-6](n-4) (Q = Se, n=1-3; Q = S, n=1, 2), Inorganic Chemistry, 49(7), 3473-3481, 20100401
  50. Excited-State Properties of Octahedral Hexarhenium(III) Complexes with Redox-active N-heteroaromatic Ligands, Inorganic Chemistry, 49(2), 531-540, 20100101
  51. In situ observations of freezing processes of single micrometer-sized aqueous ammonium sulfate droplets in air, Chemical Physics Letters, 506(1-3), 117-121, 20110401
  52. Direct Synthesis of Fluorescent 1,3a,6a-Triazapentalene Derivatives via Click-Cyclization-Aromatization Cascade Reaction, Journal of the American Chemical Society, 133(30), 11466-11469, 20110801
  53. Direct Observation of a {Re-6(mu(3)-S)(8)} Core-to-Ligand Charge-Transfer Excited State in an Octahedral Hexarhenium Complex, Inorganic Chemistry, 50(20), 9918-9920, 20111001
  54. Spectroscopic studies on the photochemical decarboxylation mechanisms of synthetic pyrethroids, Photochemical & Photobiological Sciences, 11(12), 1897-1904, 20120801
  55. Reversible Control of the Equilibrium Size of a Single Aerosol Droplet by Change in Relative Humidity, ANALYTICAL SCIENCES, 30(11), 1075-1079, 201411
  56. Direct solid sampling system for electrothermal vaporization and its application to the determination of chlorine in nanopowder samples by inductively coupled plasma optical emission spectroscopy, TALANTA, 138, 279-284, 20150601
  57. Laser Trapping and Spectroscopy of Single Aerosol Water Droplets, 628-633, 20121105
  58. Laser Trapping and Raman Spectroscopy of Single Aerosol Water Droplets, 62(5), 361-367, 20130505
  59. Young Generation in Analytical Sciences, 29(1), 20130110
  60. Time-Resolved Total-Internal-Reflection Fluorescence Study on Molecular Interactions at Liquid/Liquid Interfaces, Japan analyst, 54(5), 339-346, 20050505
  61. Excited-State Proton Transfer Dynamics of 6-Hydroxypyrene-1-Sulfonic Acid at a Water/1,2-Dichloroethane Interface(Trends in Nano Science and Technology for Analytical Chemistry), Japan analyst, 54(6), 473-478, 20050605
  62. Mechanical stimulation and solid seeding trigger single-crystal-to-single-crystal molecular domino transformations, Nature communications, 4, 201306
  63. Laser Trapping and Spectroscopy of Single Aerosol Water Droplets, Earozoru Kenkyu, 27(4), 365-370, 2012
  64. Effects of Light-Scattering Coefficient of Adsorbent in Diffuse Reflectance Spectroscopy of Dye-Doped Microparticles., Analytical Sciences, 13(5), 791-796, 1997
  65. Pyrazolato- and 3,5-Dimethylpyrazolato-Bridged Dinuclear Platinum(II), Palladium(II), and Their Mixed-Metal Complexes of 2,2'-Bipyrimidine. Syntheses, Structures, and Luminescent Properties, Bull. Chem. Soc. Jpn., 83(12), 1504-1510, 2010
  66. Flow Chemiluminescence Determination of Antimony(III,V) Using a Rhodamine B-Cetyltrimethylammonium Chloride Reversed Micelle System Following Liquid–Liquid Extraction, Analytical Sciences, 29(1), 73-77, 2013
  67. In situ Quantification of Ammonium Sulfate in Single Aerosol Droplets by Means of Laser Trapping and Raman Spectroscopy, Analytical Sciences, 29(12), 1223-1226, 2013
  68. Unusual Capping Chalcogenide Dependence of the Luminescence Quantum Yield of the Hexarhenium(III) Cyano Complexes (Re6(.MU.3-E)8(CN)6)4-, E2-=Se2->S2->Te2-., Chemistry Letters, 1121-1122, 1999
  69. Flow chemiluminescence determination of antimony(III,V) using a rhodamine B-cetyltrimethylammonium chloride reversed micelle system following liquid-liquid extraction., Flow chemiluminescence determination of antimony(III,V) using a rhodamine B-cetyltrimethylammonium chloride reversed micelle system following liquid-liquid extraction., 29(1), 2013
  70. In situ quantification of ammonium sulfate in single aerosol droplets by means of laser trapping and Raman spectroscopy., In situ quantification of ammonium sulfate in single aerosol droplets by means of laser trapping and Raman spectroscopy., 29(12), 2013
  71. Reversible control of the equilibrium size of a single aerosol droplet by change in relative humidity., Reversible control of the equilibrium size of a single aerosol droplet by change in relative humidity., 30(11), 2014
  72. Laser Trapping and Spectroscopy of Single Water Droplets in Air, 77(8), 573-575, 201308
  73. Directional Energy Transfer in Mixed-Metallic Copper(I)-Silver(I) Coordination Polymers with Strong Luminescence, INORGANIC CHEMISTRY, 54(20), 9733-9739, 20151019
  74. Luminescent copper(I) complexes with halogenido-bridged dimeric core, COORDINATION CHEMISTRY REVIEWS, 306, 636-651, 20160101
  75. Spectrometric estimation of sample amount in aliquot for a direct solid sampling system and its application to the determination of trace impurities in silver nanoparticles by ETV-ICP-OES, TALANTA, 150, 434-439, 20160401
  76. A Flow Method for Chemiluminescence Determination of Antimony(III) and Antimony(V) Using a Rhodamine B-Cetyltrimethylammonium Chloride Reversed Micelle System Following On-Line Extraction, ANALYTICAL SCIENCES, 32(2), 245-250, 201602
  77. Near-infrared Laser-induced Temperature Elevation in Optically-trapped Aqueous Droplets in Air, ANALYTICAL SCIENCES, 32(4), 425-430, 201604
  78. Laser-Induced Single Microdroplet Formation and Simultaneous Water-to-Single Microdroplet Extraction/Detection in Aqueous 1-Butanol Solutions, BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 90(4), 404-410, 201704
  79. Viscosity of Freeze-Concentrated Solution Confined in Micro/Nanospace Surrounded by Ice, JOURNAL OF PHYSICAL CHEMISTRY C, 121(22), 12321-12328, 20170608
  80. Excited Triplet States of [{Mo6Cl8}Cl-6](2-), [{Re6S8Cl6](4-), and [{W6Cl8}Cl-6](2-) Clusters, BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 90(10), 1164-1173, 201710
  81. Raman Spectroscopy of Single Light-Absorbing Carbonaceous Particles Levitated in Air Using an Annular Laser Beam, ANALYTICAL CHEMISTRY, 89(23), 12866-12871, 20171205
  82. Deliquescence behavior of photo-irradiated single NaNO3 droplets, ATMOSPHERIC ENVIRONMENT, 183, 33-39, 201806
  83. Spherical Spontaneous Capillary-Wave Resonance on Optically Trapped Aerosol Droplet, JOURNAL OF PHYSICAL CHEMISTRY C, 122(36), 20684-20690, 20180913
  84. Photochemical generation of the 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) radical from caged nitroxides by near-infrared two-photon irradiation and its cytocidal effect on lung cancer cells, BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY, 15, 863-873, 20190410
  85. Control of Emissive Excited States of Silver(I) Halogenido Coordination Polymers by a Solid Solution Approach, INORGANIC CHEMISTRY, 58(13), 8419-8431, 20190701
  86. In Situ Observation of Efflorescence and Deliquescence Phase Transitions of Single NaCl and NaNO3 Mixture Particles in Air Using a Laser Trapping Technique, BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 93(1), 86-91, 202001
  87. Fabrication of Paper-based Microfluidic Devices Using a Laser Beam Scanning Technique, ANALYTICAL SCIENCES, 36(10), 1275-1278, 202010
  88. Optical Manipulation of Water Droplets in Air by a Double-beam Laser Trapping Technique, BUNSEKI KAGAKU, 69(12), 737-740, 2020
  89. Liquid-Liquid Phase Separation of Single Optically Levitated Water-Ionic Liquid Droplets in Air, JOURNAL OF PHYSICAL CHEMISTRY A, 125(35), 7716-7722, 20210909

Publications such as books

  1. 2005/01, Interfacial Nanochemistry: Molecular Science and Engineering at Liquid-Liquid Interfaces, 2005, 01, Scholarly Book, Cocompilation, 0306485273, 335

Invited Lecture, Oral Presentation, Poster Presentation

  1. Laser Trapping and Microspectroscopy of Single Water Droplets in Air, S. Ishizaka, HU-BITS Pliani Joint Workshop 2022, 2022/11/02, Without Invitation, English, Virtual
  2. Laser trapping and spectroscopy of single supercooled water droplets in air, Shoji Ishizaka, Hiroshima Symposium on Future Science (Hi-SFs) 2014, 2014/03, With Invitation, English
  3. Laser trapping and spectroscopy of single water droplets in air, Shoji Ishizaka, 2015/03, With Invitation, English, Lille 1 University, France
  4. In situ observations of the phase transitions of single droplets levitated in air by means of a laser trapping technique, S. Ishizaka, 2nd International Workshop on Heterogeneous Kinetics Related to Atmospheric Aerosols, 2016/11/12, With Invitation, English, Tsukuba International Congress Center, Tsukuba, Japan
  5. Laser trapping and microspectroscopy of single water droplets in air, Shoji Ishizaka, The 98th CSJ Annual Meeting, 2018/03/23, With Invitation, English, Funabashi Campus, College of Science and Technology, Nihon University, Funabashi, Japan
  6. Laser Trapping and Spectroscopy of Single Water Droplets in Air, S. Ishizaka, The 3rd International Conference on Chemical Sciences 2019, 2019/09/16, With Invitation, English, Gajah Mada University, Yogyakarta, Indonesia

Social Activities

History as Peer Reviews of Academic Papers

  1. 2021, Journal of Photochemistry and Photobiology C: Photochemistry Reviews, Editor, Associate Editor
  2. 2012, Analytical Sciences (Special Issue: Young Generation in Analytical Sciences), Chief editor