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Hamaguchi Lab.

Spectrophysical Chemistry bridges chemistry and biology

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Publication List - Original Papers

  1. Protein Secondary Structure Imaging with Ultrabroadband Multiplex Coherent Anti-Stokes Raman Scattering (CARS) Microspectroscopy.
    Kotatsu Bito, Masanari Okuno, Hideaki Kano, Shihomi Tokuhara, Satoru Naito, Yoshinori Masukawa, Philippe Leproux, Vincent Couderc and Hiro-o Hamaguchi,
    J. Phys. Chem. B. , Accepted (2012).
  2. Two-step photoionization of trans-stilbene in acetonitrile via an ion-pair precursor studied with picosecond time-resolved absorption and Raman spectroscopies.
    Hiroko Miki, Kyousuke Yoshida, Chieko Kawate, Rintaro Shimada, Tomohisa Takaya, Koichi Iwata and Hiro-o Hamaguchi,
    Chem. Phys. Lett. , Accepted (2012).
  3. Rotational dynamics of solvated carbon dioxide studied by infrared, Raman, and time-resolved infrared spectroscopies and a molecular dynamics simulation.
    Kaori Watanabe, Hajime Okajima, Takuya Kato, and Hiro-o Hamaguchi,
    J. Chem. Phys., 136, 014508 (2012).
  4. Resonance Raman quantification of the redox state of cytochromes b and c in-vivo and in-vitro.
    Minoru Kakita, Venkatesh Kaliaperumal and Hiro-o Hamaguchi,
    J. Biophoton., 5, 20-24 (2012).
  5. Unusually long trans/gauche conformational equilibration time during the melting process of BmimCl, a prototype ionic liquid.
    Hajime Okajima and Hiro-o Hamaguchi,
    Chem. Lett., 40, 1308-1309 (2011).
  6. In vivo multimode Raman imaging reveals concerted molecular composition and distribution changes during yeast cell cycle.
    Chuan-Keng Huang, Hiro-o Hamaguchi and Shinsuke Shigeto,
    Chem. Comm., 47, 9423-9425 (2011).
  7. New opportunities offered by compact sub-nanosecond supercontinuum sources in ultrabroadband multiplex CARS microspectroscopy.
    Philippe Leproux, Vincent Couderc, Annalisa De Angelis, Masanari Okuno, Hideaki Kano and Hiro-o Hamaguchi,
    J. Raman spectrosc., 42, 1871-1874 (2011).
  8. Superresolution vibrational imaging by simultaneous detection of Raman and hyper-Raman scattering.
    Korenobu Matsuzaki, Rintaro Shimada and Hiro-o Hamaguchi,
    Opt. Lett., 36, 2545-2547 (2011).
  9. Quantitative Coherent Anti-Stokes Raman Scattering (CARS) Microscopy.
    James P. R. Day, Katrin F. Domke, Gianluca Rago, Hideaki Kano, Hiro-o Hamaguchi, Erik M. Vartiainen, and Mischa Bonn,
    J. Phys. Chem. B, 115, 7713-7725 (2011).
  10. 1064 nm deep near-infrared (NIR) excited Raman microspectroscopy for studying photolabile organisms.
    Masahiro Ando, Miwa Sugiura, Hidenori Hayashi, and Hiro-o Hamaguchi,
    Appl. Spectrosc., 65, 488-492 (2011).
  11. The “Raman spectroscopic signature of life” is closely related to haem function in budding yeasts.
    Liang-da Chiu and Hiro-o Hamaguchi,
    J. Biophoton., 4, 30-33 (2011).
  12. Solute-solvent intermolecular vibronic coupling as manifested by the molecular near-field effect in resonance hyper-Raman scattering.
    Rintaro Shimada and Hiro-o Hamaguchi,
    J. Chem. Phys., 134, 034516 (2011).
  13. Multifocus confocal Raman microspectroscopy for fast multimode vibrational imaging of living cells.
    Masanari Okuno and Hiro-o Hamaguchi,
    Opt. Lett., 35, 4096-4098 (2010).
  14. Ordering, interaction, and reactivity of the low-lying nπ* and ππ* excited triplet states of acetophenone derivatives.
    Sohshi Yabumoto, Shinsuke Shigeto, Yuan-Pern Lee and Hiro-o Hamaguchi,
    Angew. Chem. Int. Ed., 49, 9201-9205 (2010).
  15. Differentiation of animal fats from different origins: use of polymorphic features detected by Raman spectroscopy.
    Michiyo Motoyama, Masahiro Ando, Keisuke Sasaki, and Hiro-o Hamaguchi,
    Appl. Spectrosc., 64, 1244-1250 (2010).
  16. Quantitative CARS molecular fingerprinting of single living cells with the use of the maximum entropy method.
    Masanari Okuno, Hideaki Kano, Philippe Leproux, Vincent Couderc, James P. R. Day, Mischa Bonn and Hiro-o Hamaguchi,
    Angew. Chem. Int. Ed., 49, 6773-6777 (2010).
  17. Triplet quantum chain process in the photoisomerization of 9-cis retinal as revealed by nanosecond time-resolved infrared spectroscopy.
    Tetsuro Yuzawa and Hiro-o Hamaguchi,
    J. Mol. Struc., 976, 414-418 (2010).
  18. In vivo resonance raman detection of ferrous cytochrome c from mitochondria of single living yeast cells.
    Chikao Onogi and Hiro-o Hamaguchi,
    Chem. Lett. , 39, 270-271 (2010).
  19. Visible nonlinear band-edge luminescence in ZnSe and CdS excited by a mid-infrared free-electron laser.
    Eiji Tokunaga, Naoto Sato, Jiro Korenaga, Takayuki Imai, Shin Sato and Hiro-o Hamaguchi,
    Opt. Rev. , 17, 341-345 (2010).
  20. Two different charge transfer states of photoexcited 9,9′-bianthryl in polar and nonpolar solvents characterized by nanosecond time-resolved near-IR spectroscopy in the 4500-10500 cm?1 region.
    Nobuyuki Asami, Tomohisa Takaya, Soshi Yabumoto, Shinsuke Shigeto, Hiro-o Hamaguchi and Koichi Iwata ,
    J. Phys. Chem. A , 114, 6351-6365 (2010).
  21. A near-infrared Raman spectroscopic study on the bovine lens applied to the solar radiation in Antarctica.
    Tatsuyuki Yamamoto, Keisuke Yoshikiyo, Young-Kun Min, Hiro-o Hamaguchi, Satoshi Imura, Sakae Kudoh, Tetsuya Takahashi and Naoyuki Yamamoto,
    J. Mol. Struct. , 968, 115-119 (2010).
  22. Study of the ‘Raman spectroscopic signature of life’ in mitochondria isolated from budding yeast.
    Liang-da Chiu, Masahiro Ando and Hiro-o Hamaguchi,
    J. Raman Spectrosc. , 41, 2-3 (2010).
  23. Raman spectra of isotope-substituted mitochondria of living budding yeast cells: possible origin of the "Raman spectroscopic signature of life".
    Chikao Onogi, Hajime Torii and Hiro-o Hamaguchi,
    Chem. Lett., 38, 898-890 (2009).
  24. Fast low frequency (down to 10 cm-1) multichannel Raman spectroscopy using an iodine vapor filter.
    Hajime Okajima and Hiro-o Hamaguchi,
    Appl. Spectrosc. , 63, 958-960 (2009).
  25. Photobleaching of the "Raman spectroscopic signature of life" and mitochondrial activity in rho- budding yeast cells.
    Chikao Onogi and Hiro-o Hamaguchi,
    J. Phys. Chem. B , 113, 10942-10945 (2009).
  26. Femtosecond time-resolved absorption anisotropy spectroscopy on 9,9'-bianthryl: Detection of partial intramolecular charge transfer in polar and nonpolar solvents.
    Tomohisa Takaya, Hiro-o Hamaguchi and Koichi Iwata,
    J. Chem. Phys., 130, 14501 (2009).
  27. Intermolecular interaction between W(CO)6 and alkane molecules probed by ultrafast vibrational energy relaxation: anomalously strong interaction between W(CO)6 and decane.
    Motohiro Banno, Koichi Iwata and Hiro-o Hamaguchi,
    J. Phys. Chem. A , 113, 1007-1011 (2009).
  28. Developments of Raman spectroscopy in the past 40 years: from a molecule to a living cell.
    Hiro-o Hamaguchi,
    Curr. Sci. , 97, 186-191 (2009).
  29. Ultrafast Protonation/Deprotonation Dynamics of N,N-Dimethylacetamide in Hydrochloric Acid As Studied by Raman Band Shape Analysis.
    Daisuke Watanabe and Hiro-o Hamaguchi,
    J. Phys. Chem. C , 27, 11662-11666 (2009).
  30. Ultrafast generation/annihilation dynamics of the tert-butyl carbocation in sulfuric acid as studied by Raman band shape analysis.
    Daisuke Watanabe and Hiro-o Hamaguchi,
    Chem. Phys., 354, 27-31 (2008).
  31. High concentration trans form unsaturated lipids detected in a HeLa cell by Raman microspectroscopy.
    Chikao Onogi, Michiyo Motoyama and Hiro-o Hamaguchi,
    J. Raman Spectrosc., 39, 555-556 (2008).
  32. Ultrabroadband multiplex CARS microspectroscopy and imaging using a subnanosecond supercontinuum light source in the deep near infrared.
    Masanari Okuno, Hideaki Kano, Pilippe Leproux, Vincent Courdec and Hiro-o Hamaguchi,
    Opt. Lett., 33, 923-925 (2008).
  33. The trans/gauche conformational equilibrium and associated thermodynamic parameters of liquid 1,2-dibromoethane as studied by infrared electroabsorption spectroscopy.
    I-Chun Lee, Hiro-o Hamaguchi and Shinsuke Shigeto
    Chem. Phys. Lett., 466, 144-147 (2008)
  34. Intensity enhancement and selectivedetection of proximate solvent molecules by molecular near-field effect in resonance hyper-Raman scattering.
    Rintaro Shimada, Hideaki Kano and Hiro-o Hamaguchi,
    J. Chem. Phys., 129, 024505-1-024505-9 (2008).
  35. Structural change of 1-butyl-3-methylimidazolium tetrafluoroborate plus water mixtures studied by infrared vibrational Spectroscopy.
    Yoonnam Jeon, Jaeho Sung, Doseok Kim, Chungwon Seo, Hyeonsik Cheong, Yukio Ouchi, Ryosuke Ozawa and Hiro-o Hamaguchi,
    J. Phys. Chem. B, 112, 923-928 (2008) .
  36. In vivo measurement of human dermis by 1064 nm-excited fiber Raman spectroscopy.
    Satoshi Naito, Youn-Kun Min, K Sugata; O Osanai, T Kitahara, Hideo Hiruma and Hiro-o Hamaguchi,
    Skin Research and Technology, 14, 18-25 (2008) .
  37. Development of an automatic phase-contrast microscopic system capable of determining the microbial density and distribution inside an immobilized carrier.
    Yong-Woo Lee, Jong-Kwang Lee, Youn-Kun Min, Hiro-o Hamaguchi and Jinwook Chung,
    Anal. Sci., 24, 547-550 (2008).
  38. Behaviors of the “Raman Spectroscopic Signature of Life” in Single Living Fission Yeast Cells under Different Nutrient, Stress and Atmospheric Conditions.
    Yu-San Huang, Takeshi Nakatsuka and Hiro-o Hamaguchi,
    Appl. Spectrosc.,　61, 1290-1294 (2007).
  39. Ultrabroadband (>2000 cm-1) Multiplex Coherent Anti-Stokes Raman Scattering Spectroscopy Using a Sub-Nanosecond Supercontinuum Light Source.
    Masanari Okuno, Hideaki Kano, Philippe Leproux, Vincent Couderc and Hiro-o Hamaguchi,
    Optics Lett.,　32, 3050-3052 (2007).
  40. Coherent Raman Imaging of Human Living Cells Using a Supercontinuum Light Source.
    Hideaki Kano and Hiro-o Hamaguchi,
    Jpn. J. Appl.Phys., 46, 6875-6877 (2007).
  41. Supercontinuum Dynamically Visualizes a Dividing Single Cell.　
    Hideaki Kano and Hiro-o Hamaguchi,　
    Analytical Chemistry.,　79, 8967-8973　(2007).
  42. Intra- and IntermolecularVibrational Eenergy Ttransfer inTungsten Carbonyl Complexes W(CO)(5)(X) (X = CO, CS, CH3CN, and CD3CN).
    Motohiro Banno, Koichi Iwata and Hiro-o Hamaguchi,　
    J. Chem. Phys.,　126,　204501 (1-9)　(2007).
  43. Local structure at the air/liquid interface of room-temperature ionic liquids probed by infrared-visible sum frequency generation vibrational spectroscopy: 1-alkyl-3-methylimidazolium tetrafluoroborates
    Toshifumi Iimori, Takashi Iwahashi, Kaname Kanai, Kazuhiko Seki, Jaeho Sung, Doseok Kim, Hiro-o Hamaguchi and Yukio Ouchi
    J. Phys. Chem. B, 111, 4860-4866(2007).
  44. Melting and freezing behaviors of prototype ionic liquids, 1-butyl-3-methylimidazolium bromide and its chloride, studied by using a nano-watt differential scanning calorimeter.
    Keiko Nishikawa, Shaolan Wang, Hideki Katayanagi, Satoshi Hayashi, Hiro-o Hamaguchi, Yoshikata Koga and Ken-ichi Tozaki
    J. Phys. Chem. B,　111, 4894-4900(2007).
  45. Picosecond Time-resolved Fluorescence Study on Solute-Solvent Interaction of 2-Aminoquinoline in Room-Temperature Ionic Liquids: Aromaticity of Imidazolium-Based Ionic Liquids.
    Koichi Iwata, Minoru Kakita and Hiro-o Hamaguchi,　
    J. Phys. Chem. B,　111,　4914-4919　(2007).
  46. Vibrational Cooling Process of S1 Trans-Stilbene in Ionic Liquids Observed with Picosecond Time-resolved Raman Spectroscopy.
    Koichi Iwata, Kyousuke Yoshida, Yuta Takada and Hiro-o Hamaguchi,
    Chem. Lett.,　36,　504-505　(2007).
  47. Excited-State Structure and Dynamics of 1,3,5-Tris(Phenylethynyl)Benzene as Studied by Raman and Time-resolved Fluorescence Spectroscopy.
    Tomonori Nomoto, Haruko Hosoi, Tatsuya Fujino, Tahei Tahara and Hiro-o Hamaguchi,　
    J. Phys. Chem. A,　111, 2907-2912　(2007).
  48. Proton-Conducting Properties of a Bronsted Acid-Base Ionic Liquid and Ionic Melts Consisting of Bis(Trifluoromethanesulfonyl)Imide and Benzimidazole for Fuel Cell Electrolytes.
    Hirofumi Nakamoto, Akihiro Noda, Kikuko Hayamizu, Satoshi Hayashi, Hiro-o Hamaguchi and Masayoshi Watanabe,
    J. Phys. Chem.,　111,　1541-1548　(2007).
  49. Raman spectra indicative of unusual water structure in crystals formed from a room-temperature ionic liquid.
    Hiroko Miki, Satoshi Hayashi, Hiroshige Kikura and Hiro-o Hamaguchi,
    J. Raman Spectrosc., 37, 1242-1243 (2006).
  50. Vibrational imaging of a J-aggregate microcrystal using ultrabroadband multiplex coherent anti-Stokes Raman scattering microspectroscopy.
    Hideaki Kano and Hiro-o Hamaguchi,
    Vibrational Spectrosc., 42 (1) 135-139 (2006).
  51. Magnetic manipulation of materials in a magnetic ionic liquid.
    Masanari Okuno, Satoshi Hayashi and Hiro-o Hamaguchi,
    Appl. Phys. Lett., 89, 132506 (2006).
  52. Evidence for mesoscopic local structures in ionic liquids: CARS signel spatial distribution of C(n)mim[PF6] (n=4,6,8).
    Shinsuke Shigeto and Hiro-o Hamaguchi,
    Chem. Phys. Lett., 427, 329-332 (2006).
  53. Ion association dynamics in aqueous solutions of sulfate salts as studied by Raman band shape analysis.
    DaisukeWatanabe and Hiro-o Hamaguchi,
    J. Chem. Phys., 124, 247102 (2006).
  54. Heat capacity and glass transition of an ionic liquid 1-butyl-3-methylimidazolium chloride.
    Osamu Yamamuro, Y.Minamimoto, Y. Inamura, Satoshi Hayashi and Hiro-o Hamaguchi,
    Chem. Phys. Lett., 423, 371-375 (2006).
  55. In-vivo multi-nonlinear optical imaging of a living cell using a supercontinuum light source generated from a photonic crystal fiber.
    Hideaki Kano and Hiro-o Hamaguchi,
    Optics Express 14, 2798-2804 (2006).
  56. Charge resonance character in the charge transfer state of bianthryls: Effect of symmetry breaking on time-resolved near-IR absorption spectra.
    Tomohisa Takaya, Satyen Saha, Hiro-o Hamaguchi, Munna Sarkar, Anunay Samanta and Koichi Iwata,
    J. Phys. Chem. A, 110 (13) 4291-4295 (2006).
  57. Structure and dipole moments of the two distinct solvated forms of p-nitroaniline in acetonitrile/CCl4 as studied by infrared electroabsorption spectroscopy.
    Shinsuke Shigeto, Hirotsugu Hiramatsu and Hiro-o Hamaguchi,
    J. Physical Chem. A, 110 (13) 3738-3743 (2006).
  58. Vibrational Imaging of a Single Pollen Grain by Ultrabroadband Multiplex Coherent Anti-Stokes Raman Scattering Microspectroscopy.
    Hideaki Kano and Hiro-o Hamaguchi,
    Chem. Lett., 35 (10) 1124-1125 (2006).
  59. Molecular near-field effect and intensity enhancement of solvent modes in resonance hyper-Raman sattering.
    Rintaro Shimada, Hideaki Kano and Hiro-o Hamaguchi,
    J. Raman Spectrosc., 37, 469-471 (2006).
  60. Effect of water on the molecular structure and arrangement of nitrile-functionalized ionic liquids.
    Satyen Saha and Hiro-o Hamaguchi,
    J. Phys. Chem. B, 110 (6) 2777-2781 (2006).
  61. Dispersion-compensated supercontinuum generation for ultrabroadband multiplex coherent anti-Stokes Raman scattering spectroscopy.
    Hideaki Kano and Hiro-o Hamaguchi,
    J. Raman Spectrosc., 37, 411-415 (2006).
  62. Three-Dimensional Vibrational Imaging of a Microcrystalline J-Aggregate Using Supercontinuum-Based Ultra-Broadband Multiplex Coherent Anti-Stokes Raman Scattering Microscopy.
    Hideaki Kano and Hiro-o Hamaguchi,
    J. Phys. Chem. B, 110 3120-3126 (2006).
  63. Hyper-Raman microspectroscopy: a new approach to completing vibrational spectral and imaging information under a microscope.
    Rintaro Shimada, Hideaki Kano and Hiro-o Hamaguchi,
    Optics Lett., 31 (3) 320-322 (2006).
  64. A new nonlinear Raman probe for local structures in liquids and solutions.
    Shinsuke Shigeto and Hiro-o Hamaguchi,
    Chem. Phys. Lett., 417, 149-153 (2006).
  65. A new class of magnetic fluids: bmim[FeCl4] and nbmim[FeCl4] ionic liquids.
    Satoshi Hayashi, Satyen Saha and Hiro-o Hamaguchi,
    IEEE Transactions on Magnetics, 42, 12-14 (2006).
  66. Vibrational and electronic infrared absorption spectra of benzophenone in the lowest excited triplet state.
    Sohshi Yabumoto, Shin Sato and Hiro-o Hamaguchi,
    Chem. Phys. Lett., 416, 100-103 (2005).
  67. Photoinduced Processes of Solid Aromatic Compounds by Mid-IR Free Electron Laser.
    Kensuke Tono, Hiroshi Kondoh, Yasuhiro Hamada, Takahiro Suzuki, Kotatsu Bito, Toshiaki Ohta, Shin Sato, Hiro-o Hamaguchi, Akira Iwata and Haruo Kuroda,
    Jpn. J. Appl.Phys., 44 (10) 7561-7567 (2005).
  68. In vivo time-resolved Raman imaging of a spontaneous death process of a single budding yeast cell.
    Yasuaki Naito, Akio Toh-e and Hiro-o Hamaguchi,
    J. Raman Spectrosc., 36, 837-839 (2005).
  69. Solvent-dependent intra- and intermolecular vibrational energy transfer of W(CO)6 probed with sub-picosecond time-resolved infrared spectroscopy.
    Motohiro Banno, Shin Sato, Koichi Iwata and Hiro-o Hamaguchi,
    Chem. Phys. Lett., 412, 464-469 (2005).
  70. Ion association dynamics in aqueous solutions of sulfate salts as studied by Raman band shape analysis.
    Daisuke Watanabe and Hiro-o Hamaguchi,
    J. Chem. Phys., 123, 34508 (2005).
  71. Molecular-Level Investigation of the Structure, Transformation, and Bioactivity of Single Living Fission Yeast Cells by Time- and Space-Resolved Raman Spectroscopy.
    Yu-San Huang, Takeshi Karashima, Masayuki Yamamoto and Hiro-o Hamaguchi,
    Biochemistry, 44, 10009-10019 (2005).
  72. Ultrabroadband (>2500 cm-1) multiplex coherent anti-Stokes Raman scattering microspectroscopy using supercontinuum generated from a photonic crystal fiber.
    Hideaki Kano and Hiro-o Hamaguchi,
    Appl. Phys. Lett., 86, 121113 (2005).
  73. Vibrationally resonant imaging of a single living cell by supercontinuum-based multiplex coherent anti-Stokes Raman Scattering microspectroscopy.
    Hideaki Kano and Hiro-o Hamaguchi,
    Optics Express, 13, 1322-1327 (2005).
  74. Near-infrared coherent anti-Stokes Raman scattering microscopy using supercontinuum generated from a photonic ctystal fiber.
    Hideaki Kano and Hiro-o Hamaguchi,
    Appl. Phys. B, 80, 243-246 (2005).
  75. Structure of the S1 state of diphenylacetylene as studied by time-resolved CARS and infrared spectroscopy.
    Tomonori Nomoto, Taka-aki Ishibashi, Hiromi Okamoto and Hiro-o Hamaguchi,
    J. Mol. Struct., 735-73, 197-202 (2005).
  76. Cascading third-order Raman process and local structure formation in binary liquid mixtures of benzene and n-hexane.
    Shinsuke Shigeto, Hideaki Kano, and Hiro-o Hamaguchi,
    J. Chem. Phys., 122, 064504(1-8) (2005).
  77. 1064 nm near-infrared multichannel Raman spectroscopy of fresh human lung tissues.
    Youn-Kun Min, Tatsuya Yamamoto, Ehiichi Kohda, Toshiaki ITo and Hiro-o Hamaguchi,
    J. Raman Spectrosc., 36, 73-76 (2005).
  78. Intercalation-induced structural change of DNA as studied by 1064 nm near-infrared multichannel Raman spectroscopy.
    Kenro Yuzaki and Hiro-o Hamaguchi,
    J. Raman Spectrosc., 35, 1013-1015 (2004).
  79. Carrier Dynamics in TiO2 and Pt/TiO2 Powders Observed by Femtosecond Time-Resolved Near-Infrared Spectroscopy at a Spectral Region of 0.9-1.5 μm with the Direct Absorption Method.
    Koichi Iwata, Tomohisa Takaya, Hiro-o Hamaguchi, Akira Yamakata, Taka-aki Ishibashi, Hiroshi Onishi, and Haruo Kuroda,
    J. Phys. Chem. B, 108 (52) 20233-20239 (2004).
  80. Discovery of a Magnetic Ionic Liquid [bmim]FeCl4.
    Satoshi Hayashi and Hiro-o Hamaguchi,
    Chem. Lett., 33 (12) 1590-1591 (2004).
  81. Femtosecond coherent anti-Stokes Raman scattering spectroscopy using supercontinuum generated from a photonic crystal fiber.
    Hideaki Kano and Hiro-o Hamaguchi,
    Appl. Phys. Lett., 85 (19) 4298-4300 (2004).
  82. Femtosecond electron transfer dynamics of 9,9'-bianthryl in acetonitrile as studied by time-resolved near-infrared absorption spectroscopy.
    Tomohisa Takaya, Hiro-o Hamagushi, Haruo Kuroda, Koichi Iwata,
    Chem. Phys. Lett., 399, 210-214 (2004).
  83. The photoinduced hydrogen atom transfer and trans-cis isomerization of the C=C double bond in 1-(1-hydroxy-2-naphthyl)-3-(1-naphthyl)-2-propen-1-one and related compounds studied using nanosecond time-resolved infrared spectroscopy.
    K. Kaneda, Shin Sato, Hiro-o Hamaguchi and T. Arai,
    Bull. Chem. Soc. Jpn., 77, 1529-1535 (2004).
  84. Raman spectroscopic signature of life in a living yeast cell.
    Yu-San Huang, Takeshi Karashima, Masayuki Yamamoto, Takashi Ogura and Hiro-o Hamaguchi,
    J. Raman Spectrosc., 35, 525-526 (2004).
  85. Structure of an ionic liquid, 1-n-butyl-3-methylimidazolium iodide, studied by wide-angle X-ray scattering and Raman spectroscopy.
    Hideaki Katayanagi, Satoshi Hayashi, Hiro-o Hamaguchi and Keiko Nishikawa,
    Chem. Phys. Lett., 392, 460-464 (2004).
  86. Development of Infrared Electroabsorption Spectroscopy and Its Application to Molecular Structural Studies.
    Hirotsugu Hiramatsu and Hiro-o Hamaguchi,
    Appl. Spectrosc., 58 (4) 355-366 (2004).
  87. Orientational ordering of alkyl chain at the air/liquid interface of ionic liquids studied by sum frequency vibrational spectroscopy.
    Toshifumi Iimori, Takashi Iwahashi, Hisao Ishii, Kazuhiko Seki, Yukio Ouchi, Ryosuke Ozawa, Hiro-o Hamaguchi and Doseok Kim,
    Chem. Phys. Lett., 389, 321-326 (2004).
  88. Characterization of supercontinuum generated from a photonic crystal fiber and its application to coherent Raman spectroscopy.
    Hideaki Kano and Hiro-o Hamaguchi,
    Optics Lett., 28 (23) 2860-2362 (2003).
  89. Rotational Isomerism and Structure of the 1-Buthyl-3-methylimidazolium Cation in the Ionic Liquid State.
    Ryosuke Ozawa, Satoshi Hayashi, Satyen Saha, Akiko Kobayashi, and Hiro-o Hamaguchi,
    Chem. Lett., 32 (10) 948-949 (2003).
  90. Crystal Structure of 1-Butyl-3-methylimidazoliun Chloride. A Clue to the Elucidation of the Ionic Liquid Structure.
    Satyen Saha, Satoshi Hayashi, Akiko Kobayashi, and Hiro-o Hamaguchi,
    Chem. Lett., 32 (8) 740-741 (2003).
  91. Raman Spectra, Crystal Polymorphism, and Structure of a Prototype Ionic-liquid [bmim]Cl.
    Satoshi Hayashi, Ryosuke Ozawa and Hiro-o Hamaguchi,
    Chem. Lett., 32 (6) 498-499 (2003).
  92. Cascading third-order Raman process studied by six-wave mixing broadband multiplex coherent anti-Stokes Raman scattering spectroscopy.
    Hideaki Kano and Hiro-o Hamaguchi,
    J. Chem. Phys., 118 (10) 4556-4562 (2003).
  93. Picosecond time-resolved multiplex CARS spectroscopy using optical Kerr gating.
    Kunihiko Ishii and Hiro-o Hamaguchi,
    Chem. Phys. Lett., 367, 672-677 (2003).
  94. Time-resolvved infrared spectra and structures of the excited singlet and triplet states of fluorenone.
    Satomi Tanaka, Chihiro Kato, Kazuyuki Horie, and Hiro-o Hamaguchi,
    Chem. Phys. Lett., 381 385-391 (2003).
  95. The Diagnosis of Lung Cancer Using 1064-nm Excited Near-infrared Multichannel Raman Spectroscopy.
    Hiroya Yamazaki, Shoji Kaminaka, Eiichi Kohda, Makio Mukai, and Hiro-o Hamaguchi,
    Rad. Med., 21 1 (2003).
  96. Molecular-level pursuit of yeast mitosis by time- and space-resolved Raman spectroscopy.
    Yu-san Huang, Takeshi Karashima, Masayuki Yamamoto and Hiro-o Hamaguchi,
    J. Raman Spectrosc., 34 (2003).
  97. Association Structures of N-methylacetamide in Solution Studied by Infrared Electroabsorption Spectroscopy.
    Hirotsugu Hiramatsu and Hiro-o Hamaguchi,
    Chem. Phys. Lett., 361, 457-464 (2002).
  98. Near-infrared multichannel Raman spectroscopy toward real-time in vivo cancer diagnosis.
    Shoji Kaminaka, Toshiaki Ito, Hiroya Yamazaki, Eiichi Kohda and Hiro-o Hamaguchi,
    J. Raman Spectrosc., 33, 498-502 (2002).
  99. Mechanistic studies of direct and sensitized photolysis of methyl (4-nitrophenyl) diazoacetate in the presence of an electron-donating amine: photochemical generation of the diazoalkane radical anion.
    Tadashi Mizushima, Go Monde, Shigeru Murata, Kunihiko Ishii and Hiro-o Hamaguchi,
    J. Chem. Soc., 2, 1274-1282 (2002).
  100. Physical Chemistry of the Lowest Excited Singlet State of Trans-Stilbene in Solution as Studied by Time-resolved Raman Spectroscopy.
    Hiro-o Hamaguchi and Koichi Iwata,
    Bull. Chem. Soc. Jpn., 75, 883-897 (2002).
  101. Observation of Resonance Hyper-Raman Scattering of all-trans-Retinal.
    Misao Mizuno, Hiro-o Hamaguchi, and Tahei Tahara,
    J. Phys. Chem., 106, 3599-3604 (2002).
  102. Analysis of the Solvent- and Temperature-dependent Raman Spectral Changes of S1 trans-Stilbene and the Mechanism of the Trans to Cis Isomerization: Dynamic Polarization Model of Vibrational Dephasing and the C=C Double-bond Rotaion.
    Koichi Iwata, Ryosuke Oazwa and Hiro-o Hamaguchi,
    J. Phys. Chem., 106 (14) 3614-3620 (2002).
  103. Excited State Structure of N-(4-cyanophenyl)carbazole by Time-Resolved Infrared Absorption Spectroscopy.
    Anunay Samanta, Satyen Saha, Hironori Ishikawa and Hiro-o Hamaguchi,
    Chem. Lett., 3, 340-341 (2002).
  104. Picosecond Dynamics of Stepwise Double Proton Transfer Reaction in the Excited State of the 2-aminopyridine/Acetic acid System.
    Hironori Ishikawa, Koichi Iwata and Hiro-o Hamaguchi,
    J. Phys. Chem., 106 (10) 2305-2312 (2002).
  105. Infrared Electroabsorption Spectroscopic Study of Association Structures of 5CB in the Solution, Isotropic Liquid and Nematic Liquid Crystal States.
    Young-Kun Min, Hirotsugu Hiramatsu and Hiro-o Hamaguchi,
    Chem. Lett. 68-69 (2002).
  106. Development of infrared electroabsorption spectroscopy for liquids.
    Hirotsugu Hiramatsu, Chihiro Kato and Hiro-o Hamaguchi,
    Chem. Phys. Lett., 347, 403-409 (2001).
  107. Does Photoisomerization Proceed in an Ionic Liquid?.
    Ryosuke Ozawa and Hiro-o Hamaguchi,
    Chem. Lett., 736-737 (2001).
  108. Dynamic Symmetry Lowering of the Sulfate Ion in Aqueous Solution Probed by Polarization-resolved CARS Spectroscopy.
    Yuika Saito and Hiro-o Hamaguchi,
    Chem. Phys. Lett., 339 351-356 (2001).
  109. Near Infrared Raman Spectroscopy of Human LungTissues: Possibility of Molecular-level Cancer Diagnosis.
    Shoji Kaminaka, Hiroya Yamazaki, Toshiaki Ito, Eiichi Kohda and Hiro-o Hamaguchi,
    J. Raman Spectrosc., 32, 139-141 (2001).
  110. Photoreaction of Methyl (p-Nitrophenyl) diazoacetate in the Presence of an Electron-Donating Amine: Evidence for Intermediacy of the Carbene Radical Anion.
    Tadashi Mizushima, Shingo Ikeda, Shigeru Murata, Kunihiko Ishii, and Hiro-o Hamaguchi,
    Chem. Lett., 1282-1283 (2000).
  111. Mechanistic Studies of Pyrene-sensitized Photodecomposition of N-Phenylglycine: Acceleration of the Photodecomposition by the Addition of an Electron Acceptor.
    Shingo Ikeda, Shigeru Murata, Kunihiko Ishii, and Hiro-o Hamaguchi,
    Bull. Chem. Soc. Jpn., 73 (12) 2783-2792 (2000).
  112. Polarization-resolved Coherent Anti-Stokes Raman Scattering (CARS) Spectroscopy : A New Probe of Molecular Symmentry through Accurate Determination of Raman Depolarization Ratio.
    Yuika Saito, Taka-aki Ishibashi and Hiro-o Hamaguchi,
    J. Raman Spectrosc., 31, 725-730 (2000).
  113. Solvent induced dynamic polarization, vibrational dephasing, and infrared band shape of the C=O stretch mode of acetone in acetonitrile: A new theoretical approach.
    Tomoyuki Hayashi and Hiro-o Hamaguchi,
    Chem. Phys. Lett., 326, 115-122 (2000).
  114. Picosecond transient infrared spectra and structure of S1 diphenylacetylene in solution.
    Taka-aki Ishibashi, Hiromi Okamoto and Hiro-o Hamaguchi,
    Chem. Phys. Lett., 325, 212-218 (2000).
  115. Ultrafast Electronic Relaxation and Hydrogen Bond Formation/Dissociation Dynamics of Photoexcited All-trans Retinal in Protic Solvents.
    S. Yamaguchi and H. Hamaguchi,
    J. Phys. Chem., 104 (18) 4272-4279 (2000).
  116. Ultrafast Bimolecular Reaction Kinetics between S1 trans-Stilbene and Carbon Tetrachloride Studied by Sub-picosecond Time-resolved Visible Absorption Spectroscopy.
    Koichi Iwata and Hiro-o Hamaguchi,
    Chem. Lett., 456-457 (2000).
  117. Two Distinct Solvated Structures of para-Nitroaniline in Acetonitrile and their Dissociation and Reassociation Dynamics.
    K. Mohanalingam, S. Yamaguchi and H. Hamaguchi,
    Laser Chem., 19, 329-333 (1999).
  118. Solute-Solvent Energy Transfer and Cooling Kinetics of Photoexcited S1 trans-Stilbene Probed with Picosecond Raman Spectroscopy: Comparison between Chloroform and Chloroform-d Solutions.
    K. Iwata and H. Hamaguchi,
    Laser Chem., 19, 367-370 (1999).
  119. Time-resolved Raman Study on the Photoinduced Intermolecular Electron-Transfer Reaction of Biphenyl in Alcohols.
    Y. Sasaki and H. Hamaguchi,
    J. Chem. Phys., 110 (18) 9179-9185 (1999).
  120. Remarkable Effect of Electron Acceptors on Pyrene-Sensitized Decomposition of N-Phenylglycine.
    S. Ikeda, S. Murata, K. Ishii and H. Hamaguchi,
    Chem. Lett., 1009-1010 (1999).
  121. Time-Resolved IR Studies of 2-Naphthyl(carbomethoxy)carbene: Reactivity and Direct Experimental Estimate of the Singlet / Triplet Energy Gap.
    Y. Wang, T. Yuzawa, H. Hamaguchi and J. P. Toscano,
    J. Am. Chem. Soc., 121, 2875-2882 (1999).
  122. Three Distinct Solvated Structures of para-Nitroaniline in Acetonitrile / CCl4 Mixed Solvents: A Combined Singular Value Decomposition Analysis of Ultraviolet Absorption and Raman Spectra.
    K. Mohanalingam, D. Yokoyama, C. Kato and H. Hamaguchi,
    Bull. Chem. Soc. Jpn., 72 (3) 389-395 (1999).
  123. Photocyclization of N,N'-diphenyl-1-hydroxy-9,10-anthraquinone Diimines via Excited-state Intramolecular Proton Transfer (ESIPT).
    K. Kobayashi, M. Iguchi, T. Imakubo, K. Iwata and H. Hamaguchi,
    J. Chem. Soc., Perkin Trans, 2, 1993-1998 (1998).
  124. Vibrational Cooling Kinetics of S1 trans-stilbene in Sodium Dodecyl Sulfate Micellar Solution Observed with Picosecond Time-resolved Resonance Raman Spectroscopy.
    K. Iwata and H. Hamaguchi,
    J. Raman Spectrosc., 29, 915-918 (1998).
  125. Femtosecond Ultraviolet-Visible Absorption Study of the All-trans to 13-cis · 9-cis Photoisomerization of Retinal.
    S. Yamaguchi and H. Hamaguchi,
    J. Chem. Phys., 109, 1397-1408 (1998).
  126. Femtosecond Visible Absorption Study of Excited-State Dynamics of 9-cis Retinal.
    S. Yamaguchi and H. Hamaguchi,
    Chem. Phys. Lett., 287, 694-700 (1998).
  127. Structure and Dynamics of S1 and S2 Diphenylacetylene in Solution by Picosecond Time-resolved CARS Spectroscopy.
    T. Ishibashi and H. Hamaguchi,
    J. Phys. Chem., 102, 2263-2269 (1998).
  128. Real-time Pursuit of Crystal Growth by Millisecond Time-resolved Multichannel Fourier-transform Infrared Spectroscopy.
    M. Hashimoto and H. Hamaguchi,
    Appl. Spectrosc., 52, 222-225 (1998).
  129. ESIPT-Induced Photocyclization of N,N'-diphenyl-1,5-dihydroxy-9,10-anthraquinone Diimine.
    K. Kobayashi, M. Iguchi, T. Imakubo, K. Iwata and H. Hamaguchi,
    Chem. Commun., 763-764 (1998).
  130. Photoinduced Picosecond Bimolecular Reaction between trans-Stilbene and Carbon Tetrachloride.
    K. Iwata and H. Hamaguchi,
    Bull. Chem. Soc. Jpn., 70, 2677-2683 (1997).
  131. Mechanism of Photochemical Reaction between Anthracene and Carbon Tetracholoride Studied by Time-resolved Infrared Spectroscopy.
    K. Iwata and H. Hamaguchi,
    J. Mol. Struct., 413-4, 101-106 (1997).
  132. Mode assignments of the Raman spectrum of monoclinic zirconia by isotopic exchange technique.
    B.-K. Kim and H. Hamaguchi,
    Phisica Status Solid. B., 203, 557-563 (1997).
  133. Raman spectrum of O18-labelled hafnia.
    B.-K. Kim and H. Hamaguchi,
    Mater. Reserch Bulle., 32, 1367-1370 (1997).
  134. Raman Spectroscopic Study on the Two Distinct Solvated Structures of p-Nitroaniline in Acetonitrile.
    K. Mohanalingam and H. Hamaguchi,
    Chem. Lett., 537-538 (1997).
  135. Time-resolved Infrared Study of Ground-state Phototautomer Formed in the Excited-state Proton Transfer of 7-hydroxyquinoline in Methanol.
    K. Tokumura, M. Natsume, T. Nakagawa, M. Hashimoto, T. Yuzawa, H. Hamaguchi and M. Itoh,
    Chem. Phys. Lett., 271, 320-326 (1997).
  136. Transient Absorption Study on Photodakened CdSxSe1-x Doped Glasses: Evidence for Long Lived Trapping States.
    X. Zhang and H. Hamaguchi,
    Z. Phys. D 40, 44-47 (1997).
  137. Role of Oxygen Phonons in the Martensitic Phase Transformation of Yttria Stabilized Tetragonal Zirconia Polycrystals (Y-TZP).
    B.-K. Kim and H. Hamaguchi,
    J. Mater. Sci. Lett., 16, 645-647 (1997).
  138. Two Distinct Solvated Structures of p-Nitroaniline in Acetonitrile.
    K. Mohanalingam and H. Hamaguchi,
    Chem. Lett., 157-158 (1997).
  139. The Central CC Bond Stretch Frequencies and Structure of S2 and S1 Diphenylacetylene in Solution Studied by Picosecond Time-resolved CARS Spectroscopy.
    T. Ishibashi and H. Hamaguchi,
    Chem. Phys. Lett., 264, 551-555 (1997).
  140. Microscopic Mechanism of the Solute-solvent Energy Dissipation Probed by Picosecond Time-resolved Raman Spectroscopy.
    K. Iwata and H. Hamaguchi,
    J. Phys. Chem. A, 101, 632-637 (1997).
  141. Comparative Study of Partially Coherent Anti-Stokes Raman Scattering (PCARS) and Rayleigh Scattering - Concentration and Temperature Dependence of Scattered Intensities.
    T. Ishibashi and H. Hamaguchi,
    J. Chem. Phys., 106, (1997).
  142. Solvent-induced dynamic Polarization and Vibrational Dephasing of Electronically Excited Molecules.
    H. Hamaguchi,
    Mol. Phys., 89, 463-471 (1996).
  143. The Exchange Polarization Model of Photoisomerizaion: A Rationale for Profound Solvent Effects on Photoisomerizaion of Trans-Stilbene and All-trans Retinal.
    V. Deckert, K. Iwata and H. Hamaguchi,
    J. Photochem., 102, 35-38 (1996).
  144. Temperature Dependent kinetics of Picosecond Bimolecular Reaction between S1 Trans-Stilbene and Carbon Tetrachloride: Is Ultrafast Photochemical Reaction Diffusion-controlled? K. Iwata and H. Hamaguchi,
    Chem. Phys. Lett., 261, 208-212 (1996).
  145. Photodarkening Energy State in Nanocrystalline CdSxSe1-x Doped Glass Probed by Time-resolved Raman Spectroscopy.
    X. Zhang and H. Hamaguchi,
    Surf. Rev. Let., 3, 1101-1104 (1996).
  146. Construction of a Multichannel Fourier Transform Infrared Spectrometer for Single-event Time-resolved Spectroscopy.
    M. Hashimoto and H. Hamaguchi,
    Appl. Spectrosc., 50, 1030-1033 (1996).
  147. Femtosecond Time-resolved Absorption Spectroscopy of All-trans Retinal in Hexane.
    S. Yamaguchi and H. Hamaguchi,
    J. Mol. Struct., 379, 87-92 (1996).
  148. Investigation of Single-vibronic-level Fluorescence Lifetimes of Jet-cooled S1 trans-Stilbene above the Isomerization Barrier.
    T. Tahara and H. Hamaguchi,
    Bull. Chem. Soc. Jpn., 69, 925-931 (1996).
  149. Excitation Dynamics in Poly(p-Pyridyl Vinylene).
    J. W. Blatchford, S. E. Jessen, L. B. Lin, J. J. Lih, T. L. Gustafson, A. J. Epstein, D. K. Fu, M. J. Marsella, T. M. Swager, A. G. MacDiarmid, S. Yamaguchi, and H. Hamaguchi,
    Phys. Rev. Lett., 76, 1513-1516 (1996).
  150. Probing of 1:2 Ordering in Ba (Ni1/3Nb2/3)O3 and Ba(Zn1/3Nb2/3)O3 Ceramics by XRD and Raman Spectroscopy.
    B.-K. Kim, H. Hamaguchi, I.-T. Kim, and K.-S. Hong,
    J. Am. Ceram. Soc., 78, 3117-3120 (1995).
  151. Vibrational Cooling Process in Solution Probed by Picosecond Time-resolved Raman Spectroscopy. Analysis of the Cooling Kinetics.
    K. Iwata and H. Hamaguchi,
    J. Mol. Liquids, 65/66, 417-420 (1995).
  152. Convenient Method of Measuring the Chirp Structure of Femtosecond White-light Continuum Pulses.
    S. Yamaguchi and H. Hamaguchi,
    Appl. Spectrosc., 49, 1513-1515 (1995).
  153. Nanosecond Time-resolved Infrared Spectroscopy Distinguishes Two K Species in the Bacteriorhodopsin Photocycle.
    J. Sasaki, T. Yuzawa, H. Kandori, A. Maeda and H. Hamaguchi,
    Biophys. J., 68, 2073-2080 (1995).
  154. Partially Coherent Anti-Stokes Raman Scattering (PCARS): Comparative Band Shape Analyses of the Spontaneous Raman and PCARS Spectra.
    T. Ishibashi and H. Hamaguchi,
    J. Chem. Phys., 103, (1995).
  155. Investigation of Photoisomerization of All-trans-Retinal by Singular-value-decomposition Analysis of Nanosecond Time-resolved Infrared Spectra.
    T. Yuzawa and H. Hamaguchi,
    J. Mol. Struct., 352-353, 489-495 (1995).
  156. The Structure of the Twisted-intramolecular-charge-transfer Excited Singlet and Triplet States of 4-(dimethylamino)benzonitrile as Studied by Nanosecond Time-resolved Infrared Spectroscopy.
    M. Hashimoto and H. Hamaguchi,
    J. Phys. Chem., 99, 7875-7877 (1995).
  157. Radical-molecule Interactions as Observed in Time-resolved Resonance Raman Spectral Band Shapes.
    M. Terajima; H. Hamaguchi,
    J. Phys. Chem., 99, 7891-7896 (1995).
  158. Picosecond Time-resolved Fluorescence Study of All-trans Retinal. The Existence of Two Fluorescent Singlet Excited States.
    T. Tahara, H. Hamaguchi,
    Chem. Phys. Lett., 234, 275-280 (1995).
  159. Time-resolved Infrared Study of the Relaxation Process of the Intramolecular Excited-state Proton Transfer in 2-naphthyl-3-hydroxychromone.
    M. Itoh, T. Yuzawa, H. Mukaihata and H. Hamaguchi,
    Chem. Phys. Lett., 233, 550-554 (1995).
  160. Fluorescence Spectra of Bacteriorhodopsin and the Intermediates O and Q at Room Temperature.
    H. Ohtani, Y. Tsukamoto, Y. Sakoda and H. Hamaguchi,
    FEBS Lett., 359, 65-68 (1995).
  161. Submicrosecond Preliminary Process of Electric-field-induced Reorientation of a Ferroelectric Liquid Crystal, 5-(2-fluoroalkoxy)-2-(4-n-alkylphenyl)-pyrimidine, Studied by Time-resolved Infrared Spectroscopy.
    N. Katayama, T. Sato, Y. Ozaki, K. Murashiro, M. Kikuchi, S. Saito, D. Demus, T. Yuzawa, H. Hamaguchi,
    Appl. Spectrosc., 49, 977-980 (1995).
  162. Time-resolved Raman Spectroscopic Evidence for Efficient Electron Trapping in a Photodarkened CdSxSe1-x Doped Glass: Photocontrol of Electrons in Semiconductor Microcrystallites.
    X. Zhang and H. Hamaguchi,
    Phys. Rev. B, 50, 14718-14721 (1994).
  163. Time-resolved Infrared Spectroscopic Diagnosis of a Bimolecular Chemical Reaction in Room Temperature Solution: The CCl3 Radical Produced from S1 Trans-stilbene and Carbon Tetrachloride.
    K. Iwata, S. Kataoka and H. Hamaguchi,
    Chem. Lett., 2131-2134 (1994).
  164. Construction of a Time-frequency Two-dimensional Multiplex CARS Spectrometer Having 15 ps Time Resolution.
    T. Tahara and H. Hamaguchi,
    Rev. Sci. Instrum., 65, 3332-3338 (1994).
  165. Broadband (1000 cm-1) Multiplex CARS Spectroscopy: Application to Polarization Sensitive and Time-resolved Measurements.
    B. N. Toleutaev, T. Tahara and H. Hamaguchi,
    Appl. Phys. B., 59, 369-375 (1994).
  166. Raman Spectrometric Determination of the Oxygen Self-diffusion Coefficients in Oxides.
    B.-K. Kim, S.-J. Park, and H. Hamaguchi,
    J. Am. Ceram. Soc., 77, 2648-2652 (1994).
  167. Design and Performance Characteristics of a Near Infrared Scanning Multichannel Raman Spectrometer.
    C. N. Engert, V. K. Deckert, W. Kiefer, S. Umapathy and H. Hamaguchi,
    Appl. Spectrosc., 48, 933-936 (1994).
  168. Ultrafast Vibrational Relaxation in Photogenerated S1 α-Terthiophene in Solution by Femtosecond Time-resolved Absorption/Emission and Picosecond Time-resolved Raman Spectroscopy.
    S. Yamaguchi and H. Hamaguchi,
    Chem. Phys. Lett., 227, 255-260 (1994).
  169. Picosecond Time-resolved Raman Spectroscopy of S1 p-Terphenyl and p-Terphenyl-d14 in Solution: Time-dependent Changes of Raman Band Shapes.
    K. Iwata and H. Hamaguchi,
    J. Raman Spectrosc., 25, 615-621 (1994).
  170. Raman Spectra and Structure of Biphenyl Isoatomers (The S0, S1, T1 States and the Cation and the Anion Radicals).
    Y. Sasaki and H. Hamaguchi,
    Spectrochimica Acta, 50A, 1475-1485 (1994).
  171. Nanosecond Time-resolved Infrared Spectroscopy with a Dispersive Scanning Spectrometer.
    T. Yuzawa, C. Kato, M. W. George, and H. Hamaguchi,
    Appl. Spectrosc., 48, 684-690 (1994).
  172. Raman Spectroscopic Evidence of Site-selective Isotopic Substitution of Oxygen in Bi2Sr2Ca0.8Y0.2Cu2O8+δ and Mode Assignments of Oxygen Vibrations.
    B.-K. Kim, M. Kakihana, M. Yashima, and M. Yoshimura, S.-J. Park and H. Hamaguchi,
    Phys. Rev. B, 49, 15388-15391 (1994).
  173. Dynamic Structure of Charge Carrier in Polyaniline by Near-infrared Excited Resonance Raman Spectroscopy.
    C. N. Engert, S. Umapathy, W. Kiefer, and H. Hamaguchi,
    Chem. Phys. Lett., 218, 87-92 (1994).
  174. Transient Raman Spectra and Structure of the Twisted Excited Singlet State of Tetraphenylethylene.
    T. Tahara and H. Hamaguchi,
    Chem. Phys. Lett., 217, 369-374 (1994).
  175. Picosecond Time-resolved Multiplex Coherent Anti-stokes Raman Scattering Spectroscopy by Using a Streak Camera: Isomerization Dynamics of All-trans and 9-cis Retinal in the Lowest Excited Triplet State.
    T. Tahara, B. N. Toleutaev, and H. Hamaguchi,
    J. Chem. Phys., 100, 786-796 (1994).
  176. Microsecond Time-resolved Infrared Study of the Electric-field-induced Reorientation of Nematic Liquid Crystals. Part II: Dependence of the Motion of Liquid Crystals on the Applied Electric Field.
    T. I. Urano and H. Hamaguchi,
    Appl. Spectrosc., 47, 2108-2113 (1993).
  177. Determination of the Oxygen Self-diffusion Coefficients in Y2O3-Containing Tetragonal Zirconia Polycrystals by Raman Spectrometric Monitoring of the 16O-18O Exchange Reaction.
    B.-K. Kim, S.-J. Park and H. Hamaguchi,
    J. Am. Ceram. Soc., 76, 2119-2122 (1993).
  178. Anomalous Lifetime Shortening of S1 Trans-stilbene in Carbon Tetrachloride as Revealed by Picosecond Time-resolved Raman, Absorption, and Fluorescence Spectroscopies.
    K. Iwata, B. N. Toleutaev, and H. Hamaguchi,
    Chem. Lett., 1603-1606 (1993).
  179. Construction of a Transform-limited Picosecond Time-resolved Reman Spectrometer.
    K. Iwata, S. Yamaguchi, and H. Hamaguchi,
    Rev. Sci. Instrum., 64, 2140-2146 (1993).
  180. Exchange Model of Vibrational Dephasing in S1 Trans-stilbene in Solution and Its Possible Correlation with the Isomerization Reaciton.
    H. Hamaguchi and K. Iwata,
    Chem. Phys. Lett., 208, 465-470 (1993).
  181. The Infrared Spectra of Triplet 4-phenylbenzophenone.
    M. W. George, C. Kato and H. Hamaguchi,
    Chem. Lett., 873-876 (1993).
  182. Picosecond Raman Spectroscopy Using a Streak Camera.
    T. Tahara and H. Hamaguchi,
    Appl. Spectrosc., 47, 391-398 (1993).
  183. Submicrosecond Time-resolved Infrared Study on the Structure of the Photoinduced Transient Species of Salicylideneaniline in Acetonitrile.
    T. Yuzawa, H. Takahashi and H. Hamaguchi,
    Chem. Phys. Lett., 202, 221-226 (1993).
  184. Time-resolved Infrared Spectral Analysis of the KL-to-L Conversion in the Photocycle of Bacteriorhodopsin.
    J. Sasaki, A. Maeda, C. Kato and H. Hamaguchi,
    Bull. Chem. Soc. Jpn., 32, 867-871 (1993).
  185. Transient Raman Studies on the Structure of the Chloranil-alkylbenzene Triplet Charge-transfer Complexes.
    T. Tahara and H. Hamaguchi,
    J. Phys. Chem., 96, 8252-8259 (1992).
  186. Picosecond Structural Relaxation of S1 Trans-stilbene in Solution as Revealed by Time-resolved Raman Spectroscopy.
    K. Iwata and H. Hamaguchi,
    Chem. Phys. Lett., 196, 462-468 (1992).
  187. Microsecond Time-resolved Infrared Study of the Electric-field-induced Reorientation of Nematic Liquid Crystals.
    T. I. Urano and H. Hamaguchi,
    Chem. Phys. Lett., 195, 287-292 (1992).
  188. Raman Spectroscopic and Optical Study on the Light-induced Metastable State of Na2[Fe(CN)5NO] &183; 2H2O Single Crystal.
    Y. Morioka and H. Hamaguchi,
    J. Phys. Chem. Solids, 53, 967-971 (1992).
  189. A New Approach to Highly Efficient Raman Spectroscopy Using a Laser Diode and AgGaSe2 Crystal Filter.
    H. Horinaka, N. Yamamoto and H. Hamaguchi,
    Appl. Spectrosc., 46, 379-381 (1992).
  190. Transient Resonance Raman Spectra of Michler's Ketone in the Lowest Excited Triplet State.
    T. Tahara and H. Hamaguchi,
    Chem. Lett., 17-20 (1992).
  191. Partially Coherent Anti-stokes Raman Scattering (PCARS).
    T. Ishibashi and H. Hamaguchi,
    Chem. Phys. Lett., 175, 543-547 (1990).
  192. Construction of a Versatile Microsecond Time-resolved Infrared Spectrometer.
    K. Iwata and H. Hamaguchi,
    Appl. Spectrosc., 44, 1431-1437 (1990).
  193. Dynamics of Triplet Excitons of α-, τ-, and β-form Metal-free Phthalocyanine Fine Particles: A Study by Microsecond Time-resolved Infrared Spcetroscopy.
    C. Kato, A. Kageyama and H. Hamaguchi,
    Koubunshi Ronbunshuu, 47, 809-815 (1990).
  194. Feasibility of Luminescence-eliminated Anti-stokes Raman Spectrscopy.
    T. Ishibashi and H. Hamaguchi,
    SPIE, 1403, 555-562(1990).
  195. Transient Resonance Raman Study on the Lowest Excited Triplet States of 4-phenylbenzophenone and Its Related Compounds.
    T. Tahara, H. Hamaguchi and M. Tasumi,
    J. Phys. Chem., 94, 170-178 (1990).
  196. Resonance Raman Studies on Tetradesmethyl-β-carotene Aggregates.
    H. Okamoto, H. Hamaguchi and M. Tasumi,
    J. Raman Spectrosc., 20, 751-756 (1989).
  197. Vibrational Assignments and Intensity Considerations of the Fluorescence Excitation Spectra of Jet-cooled S1 Trans-stilbene and Its Three Isotopic Analogues.
    T. Urano, H. Hamaguchi, M. Tasumi, K. Yamanouchi, S. Tsuchiya and T. L. Gustafson,
    J. Chem. Phys., 91, 3884-3894 (1989).
  198. Temperature-dependent Microsecond Decay Dynamics of Photogenerated Charged Solitons in Trans-polyacetylene.
    K. Iwata and H. Hamaguchi,
    Chem. Phys. Lett., 157, 300-304 (1989).
  199. Raman Depolarization Ratio as a Probe for Ultrafast Intramolecular Rearrangement Dynamics.
    H. Hamaguchi,
    J. Phys. Chem., 93, 7-9 (1988).
  200. Microsecond Time-resolved Infrared Spectroscopy of a Thin Film of τ- form Metal-free Phthalocyanine Fine Particles.
    K. Iwata, C. Kato, and H. Hamaguchi,
    Appl. Spectrosc., 43, 16-19 (1989).
  201. UV-excited Transient Resonance Raman Spectra and the CO Stretching Frequencies of the Lowest Excited Triplet State of Benzophenone.
    T. Tahara, H. Hamaguchi and M. Tasumi,
    Chem. Phys. Lett., 152, 135-139 (1988).
  202. Resonance Raman Study of Mono- and Multilayer Langmuir-blodgett Films of Merocyanine J-aggregates.
    Y. Ozaki, K. Iriyama, T. Iwasaki and H. Hamaguchi,
    Appl. Surface Sci., 33, 1317-1323 (1988).
  203. Probe-frequency Dependence of the Resonant Inverse Raman Band Shape.
    M. Takayanagi, H. Hamaguchi, and M. Tasumi,
    J. Chem. Phys., 89, 3945-3950 (1988).
  204. Picosecond Solvation Dynamics of S1 Trans-stilbene by Nanosecond Transient Raman Spectroscopy with "Optical Depletion Timing".
    H. Hamaguchi,
    J. Chem. Phys., 89, 2587-2588 (1988).
  205. Sensitivity Calibration of Multichannel Raman Spectrometers Using the Least-squares-fitted Fluorescence Spectrum of Quinine.
    K. Iwata, H. Hamaguchi and M. Tasumi,
    Appl. Spectrosc., 42, 12-14 (1988).
  206. Suppression of Luminescence Background in Raman Spectroscopy by Means of Transient Optical Depletion of Causal Impurity Molecules.
    H. Hamaguchi, T. Tahara and M. Tasumi,
    Appl. Spectrosc., 41, 1265-1268 (1987).
  207. Transient Resonance Raman Spectra of Benzophenone and Its Four Isotopic Analogues in the Lowest Excited Triplet State.
    T. Tahara, H. Hamaguchi and M. Tasumi,
    J. Phys. Chem., 91, 5875-5880 (1987).
  208. Wavenumber Calibration in Multichannel Raman Spectrometers.
    T. Tahara, H. Hamaguchi, and M. Tasumi,
    Bunkou Kenkyu, 36, 404-410 (1987).
  209. Multichannel Raman Spectroscopy of an Intact Lens: Raman Measurement with Laser Irradiation below the Threshold for Retinal Damage.
    Y. Ozaki, K. Iriyama and H. Hamaguchi,
    Appl. Spectrosc., 41, 1245-1247 (1987).
  210. Isotope Effect on Fluorescence Excitation Spectra of Jet-cooled S1 Trans-stilbene and Its 1,2-13C-substituted Analogue: Vibrational Mode Assignment.
    T. Urano, H. Hamaguchi, M. Tasumi, K. Yamanouchi and S. Tsuchiya,
    Chem. Phys. Lett., 137, 559-563 (1987).
  211. Suppression of Luminescence Background in Raman Spectra by Pulsed Laser Excitation.
    T. Tahara, H. Hamaguchi and M. Tasumi,
    Chem. Lett., 1219-1220 (1987).
  212. Solvation Dynamics and Vibrational Relaxation in Resonance Raman and Fluorescence Lineshapes of Tetradesmethyl-β-carotene.
    J. Sue, S. Mukamel, H. Okamoto, H. Hamaguchi and M. Tasumi,
    Chem. Phys. Lett., 134, 87-95 (1987).
  213. Raman Spectra of Trans- and Cis-polyacetylenes Excited with Nd:YAG Laser 1064- and 532-nm Pulses.
    M. Tasumi, H. Yoshida, M. Fujiwara, H. Hamaguchi, and H. Shirakawa,
    Synth. Metals, 17, 319-324 (1987).
  214. Guidelines for Measuring Inverse Raman Spectra.
    M. Takayanagi, H. Hamaguchi and M. Tasumi,
    Appl. Spectrosc., 40, 1132-1136 (1986).
  215. Resonance Raman Excitation Profiles of Trans-azobenzene: Contribution of a Symmetry-forbidden Electronic Transition to Raman Intensities.
    H. Okamoto, H. Hamaguchi and M. Tasumi,
    Chem. Phys. Lett., 130, 185-189 (1986).
  216. Simulation of the Probe Frequency Dependence of the Resonant Inverse Raman Band Shape: A Vibronic Approach.
    M. Takayanagi, H. Hamaguchi and M. Tasumi,
    Chem. Phys. Lett., 128, 555-558 (1986).
  217. A Convenient Line-elimination Optical Filter for Multichannel Raman Spectroscopy.
    H. Hamaguchi and K. Kamogawa,
    Appl. Spectrosc., 40, 564-566 (1986).
  218. Transient Raman Detection of Hot S1 Trans-stilbene in Solution by "Optical Depletion Timing".
    H. Hamaguchi,
    Chem. Phys. Lett., 126, 185-189 (1986).
  219. Transient Raman Evidence of the "One-way" Cis to Trans Isomerization in the Lowest Excited Triplet State of 2-styrylanthracene.
    H. Hamaguchi, M. Tasumi, T. Karatsu, T. Arai and K. Tokumaru,
    J. Am. Chem. Soc., 108, 1698-1699 (1986).
  220. Measurements of Spontaneous Raman Scattering with Nd:YAG 1064-nm Laser Light.
    M. Fujiwara, H. Hamaguchi and M. Tasumi,
    Appl. Spectrosc., 40, 137-139 (1986).
  221. Raman Spectrum and the S-I Stretching Frequency of Benzoylsulfenyl Iodide.
    S. Kato, Y. Komatsu, T. Murai, H. Hamaguchi, M. Tasumi and R. Okazaki,
    Chem. Lett., 935-938 (1986).
  222. Transient Absorption and Raman Spectra of the S1 State and the Cation Radical of Biphenyl in Solution. C. Kato, H. Hamaguchi and M. Tasumi,
    Chem. Phys. Lett., 120, 183-187 (1985).
  223. Transient Resonance Raman Study on the Trans-cis Photoisomerization of N-methylthioacetamide.
    C. Kato, H. Hamaguchi and M. Tasumi,
    J. Phys. Chem., 89, 407-410 (1985).
  224. Light Induced Fluorescence Spectral Changes in Native Phytochrome from Secale cereale L. at Liquid Nitrogen Temperature.
    Y. Inoue, H. Hamaguchi, K. Yamamoto, M. Tasumi and M. Furuya,
    Photochem. Photobiol., 42, 423-427 (1985).
  225. Resonance Raman Spectra and Excitation Profiles of Tetradesmethyl-β-caronete.
    H. Okamoto, S. Saito, H. Hamaguchi, M. Tasumi and C. H. Eugster,
    J. Raman Spectrosc., 15, 331-335 (1984).
  226. Transient Raman Spectra of the All-trans and 7-, 9-, 11-, and 13-mono-cis Isomers of Retinal and the Mechanism of the Cis-trans Isomerization in the Lowest Excited Triplet State.
    H. Hamaguchi, H. Okamoto, M. Tasumi, Y. Mukai and Y. Koyama,
    Chem. Phys. Lett., 107, 355-359 (1984).
  227. Transient Resonance Raman Spectra and Vibrational Assignments of the S1 State of Trans-stilbene and Its Deuterated Analogues.
    H. Hamaguchi, T. Urano and M. Tasumi,
    Chem. Phys. Lett., 106, 153-156 (1984).
  228. Transient Raman Spectra of All-trans- and 9-cis-retinal in the Excited Triplet State.
    H. Hamaguchi, H. Okamoto and M. Tasumi,
    Chem. Lett., 549-550 (1984).
  229. Resonance Raman Spectrum of Bis[tris(trimethylsilyl)methyl]-diphosphene.
    H. Hamaguchi, M. Tasumi, M. Yoshifuji, T. Hashida and N. Inamoto,
    Chem. Lett., 463-464 (1984).
  230. The P=P Stretching Frequency Observed in the Resonance Raman Spectrum of Bis(2,4,6-tri-tert-buthylphenyl)diphosphene.
    H. Hamaguchi, M. Tasumi, M. Yoshifuji and N. Inamoto,
    J. Am. Chem. Soc., 106, 508-509 (1984).
  231. Inverse Raman Spectrometer Using a Nd:YAG Laser and Its Application to Fluorescent Dyes.
    M. Takayanagi, H. Hamaguchi and M. Tasumi,
    Bunkou Kenkyu, 33, 394-401 (1984).
  232. Observation of the Transient Resonance Raman Spectra of the S1 State of Trans-stilbene.
    H. Hamaguchi, C. Kato and M. Tasumi,
    Chem. Phys. Lett., 100, 3-7 (1983).
  233. Resonance Raman Scattering with a Forbidden but Vibronically Allowed Electronic Transition: Excitation Profiles of Combinations and Overtones of Copper Tetraphenylporphyrin in the Q-Band Resonance.
    S. Aramaki, H. Hamaguchi and M. Tasumi,
    Chem. Phys. Lett., 96, 555-559 (1983).
  234. Simultaneous Observation of the Vibrational and Electronic-vibrational Resonance Raman Spectra of the Hexachloroiridate(IV) Ion at 15 K.
    H. Hamaguchi and M. Tasumi,
    J. Chem. Phys., 78, 131-135 (1983).
  235. Resonance Raman Spectra of Light-harvesting Bacteriochlorophyl a in Pigment-protein Complexes from Purple Photosynthetic Bacteria.
    H. Hayashi, H. Hamaguchi and M. Tasumi,
    Chem. Lett., 1857-1860 (1983).
  236. Fluorescence and Recombination-emission Spectra from S2 Formed by Ultraviolet Laser Photolysis of CS2 in an Argon Matrix at 15 K.
    H. Hamaguchi and M. Tasumi,
    Chem. Phys. Lett., 91, 406-408 (1982).
  237. Determination of Derivatives of the Polarizability Anisotropy in Diatomic Molecules III. The Oxygen Molecule in the 3Σg - Ground State.
    H. Hamaguchi, A. D. Buckingham and W. J. Jones,
    Mol. Phys., 46, 1093-1098 (1982).
  238. Determination of Derivatives of the Polarizability Anisotropy in Diatomic Molecules II. The Hydrogen and Nitrogen Molecules.
    H. Hamaguchi, A. D. Buckingham and W. J. Jones,
    Mol. Phys., 43, 1311-1319 (1981).
  239. Determination of Derivatives of the Polarizability Anisotropy in Diatomic Molecules I. Theoretical Considerations on Vibration-rotation Raman Intensities.
    H. Hamaguchi, I. Suzuki, and A. D. Buckingham,
    Mol. Phys., 43, 963-973 (1981).
  240. Depolarization of the Near-resonant Light Scattered by Atomic Sodium.
    H. Hamaguchi, A. D. Buckingham and M. Kakimoto,
    Optics Lett., 5, 114-116 (1980).
  241. Polarized Resonance Raman Spectra of Hexahalide Complexes of Transition Metals: The Effect of Electronic Degeneracy on the Polarization of Vibrational Raman Scattering.
    H. Hamaguchi,
    J. Chem. Phys., 69, 569-578 (1978).
  242. A Convenient Polarizaiton Scrambler for Raman Spectroscopy.
    H. Tanji, H. Hamaguchi, H. Matsuura, I. Harada and T. Shimanouchi,
    Appl. Spectrosc., 31, 470-471 (1977).
  243. Group-theoretical Study on the Raman Tensor Patterns in Vibrational Resonance Raman Scattering: Application to the Hexabromoiridate(IV) Ion.
    H. Hamaguchi,
    J. Chem. Phys., 66, 5757-5768 (1977).
  244. Resonance Raman Spectra of N-methylthioacetamide.
    Y. Sugawara, H. Hamaguchi, I. Harada and T. Shimanouchi,
    Chem. Phys. Lett., 52, 323-326 (1977).
  245. Resonance Raman Intensities of 1,1,4,4-Ttetrachloro-1,3-butadiene and Normal Modes of Vibrations in Its Electronic Ground and Excited States.
    E. Suzuki, H. Hamaguchi, I. Harada, H. Matsuura and T. Shimanouchi,
    J. Raman Spectrosc., 5, 119-134 (1976).
  246. Anomalous Polarization in the Resonance Raman Effect of the Octahedral Hexabromoiridate (IV) Ion.
    H. Hamaguchi and T. Shimanouchi,
    Chem. Phys. Lett., 38, 370-373 (1976).
  247. Anomalous Polarization in the Resonance Raman Effect of Octahedral Hexachloroiridate (IV) Ion.
    H. Hamaguchi, I. Harada and T. Shimanouchi,
    Chem. Phys. Lett., 32, 103-107 (1975).
  248. Resonance Raman Effect of Octahedral Complex Ions, PtBr6 2- and PtI6 2-.
    H. Hamaguchi, I. Harada and T. Shimanouchi,
    J. Raman Spectrosc., 2, 517-528 (1974).
  249. Sensitivity Calibration of a Raman Spectrometer Using the Rotational Raman Spectra of Deuterium.
    H. Hamaguchi, I. Harada and T. Shimanouchi,
    Chem. Lett., 1405-1410 (1974).
  250. The 3250 A He-Cd Laser Excited Resonance Raman Effect of PdBr4 2-.
    H. Hamaguchi, I. Harada and T. Shimanouchi,
    Chem. Lett., 1049-1054 (1973).
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