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Prof. Totaro IMASAKA

Totaro IMASAKA
Totaro Imasaka
Professor, Graduate School of Engineering
Department of Applied Chemistry,
Kyushu University

Contact Information

Room number West3 403

Address
744 Motooka, Nishi-ku,
Fukuoka 819-0395, JAPAN
TEL+81-92-802-2883
FAX+81-92-802-2888
E-mailimasaka@cstf.kyushu-u.ac.jp

Education

  • B.Eng. Applied Chemistry, Kyushu University 1973
  • M.Eng. Applied Chemistry, Kyushu University, 1975
  • D.Eng. Applied Chemistry, Kyushu University, 1978

    Professional Appointments

    1978-1979Postdoctoral Fellow (Stanford University)
    1979-1980Research Associate (Faculty of Engineering, Kyushu University)
    1980-1981Lecturer (Faculty of Engineering, Kyushu University)
    1981-1991Associate Professor (Faculty of Engineering, Kyushu University)
    1991-Professor (Faculty of Engineering, Kyushu University)

    Research Interests

    Analytical Chemistry, Analytical Instrumentation, Analytical Science, Trace Analysis, Lasers, Non-linear Optics, Spectrometry

    Awards

    • 1984 The Chemical Society of Japan Award for Young Chemists, The Chemical Society of Japan “Study on Laser-Induced Spectrometry for Ultratrace Analysis”
    • 1994 The Divisional Award of The Chemical Society of Japan, The Chemical Society of Japan “Studies on Two-Color Stimulated Raman Effect”
    • 2002 The Award of The Society for Analytical Chemistry, The Society for Analytical Chemistry “Developments of Supersonic Jet Spectrometry and Near-Infrared Laser Spectrometry and Their Applications”

    Selected Publications(2000-2003)

  • 1. Visualization of a Single Molecule Reaction in an Immunological Assay Based on Optical Chromatography, S. Miki, T. Kaneta, T. Imasaka, Anal. Chim. Acta, 404, 1-6 (2000).
  • 2. Thermal Loss Mechanism in the Generation of Multifrequency Laser Emission via Stimulated Raman Scattering and Four-Wave Raman Mixing Studied by Photothermal Refraction Spectroscopy, Y. Hirakawa, T. Tomooka, T. Imasaka, Appl. Phys. B, 70, 355-359 (2000).
  • 3. Scheme for Collinear Ionization in Supersonic Jet/Multiphoton Ionization/Time-of-Flight Mass Spectrometry, T. Onoda, G. Saito, T. Imasaka, Anal. Chim. Acta, 412, 213-219 (2000).
  • 4. Supersonic Jet/Multiphoton Ionization/Mass Spectrometry of Dioxins Formed by the Thermal Reaction of Phenols in the Absence and Presence of an FeCl3 Catalyst, T. Uchimura, T. Imasaka, Anal. Chem., 72, 2648-2652 (2000).
  • 5. Determination of Motility Forces of Bovine Sperm Cells Using an "Optical Funnel", T. Kaneta, N. Mishima, T. Imasaka, Anal. Chem., 72, 2414-2417 (2000).
  • 6. Analysis of Thermal Decomposition Products Arising from Polyvinyl Chloride Analogs by Supersonic Jet/Multiphoton Ionization/Mass Spectrometry, T. Urabe, T. Imasaka, Talanta, Talanta, 52, 703-709 (2000).
  • 7. A Volume Pinhole for Mode-Filtering of the Femtosecond Laser for Use in the Generation of High-Order Vibrational and Rotational Emissions by Four-Wave Raman Mixing, Y. Hirakawa, K. Ogata, T. Imasaka, Jpn. J. Appl. Phys., 39, 5115-5117 (2000).
  • 8. Emission Spectrum of Hard X-Rays, Generated from Ion, Copper, and Molybdenum Targets by Subpicoseond KrF Laser Pulse, N. Takeyasu, Y. Hirakawa, T. Imasaka, Appl. Phys. Lett., 78, 1195-1197 (2001).
  • 9. Immunoassay for Human Serum Albumin Using Capillary Electrophoresis-Semiconductor Laser-Induced Fluorometry, S. Miki, T. Kaneta, T. Imasaka, J. Chromatogr. B, 759, 337-342 (2001).
  • 10. Development of Tunable Picosecond Dye Laser for Multiphoton Ionization of Dioxin Precursors in Supersonic Jet/Time-of-Flight Mass Spectrometry, N. Yoshida, Y. Hirakawa, T. Imasaka, Anal. Chem., 73(18), 4417-4421 (2001).
  • 11. The S0 and S1 States of Monochlorophenols: Ab initio CASSCF MO Study, S. Hirakawa, T. Imasaka, T. Imasaka, J. Phys. Chem., 105(40), 9252-9257 (2001).
  • 12. Elemental Analysis Using Hard X-Ray Emission from a Laser-Produced Plasma, Induced by A Femtosecond Laser Pulse, N. Takeyasu, Y. Hirakawa, T. Imasaka, Rev. Sci. Instrum., 72(19), 3940-3942 (2001).
  • 13. Characterization of Phosphor Materials for Use in A Plasma Display Panel by Time-Resolved Vacuum-Ultraviolet Laser Spectrometry, Y. Hirakawa, K. Nakamura, T. Imasaka, Anal. Chem., 73(22), 5472-5476 (2001).
  • 14. Generation of Highly-Repetitive Optical Pulses Based on Intra-Cavity Four-Wave Raman Mixing, K. Shinzen, Y. Hirakawa, T. Imasaka, Phys. Rev. Lett, 87(22), 3901-4 (2001).
  • 15. An “Optical Channel” - A New Technique for the Evaluation of Biological Cell Elasticity, T. Kaneta, J. Makihara, T. Imasaka, Anal. Chem., 73(24), 5791-5795 (2001).
  • 16. Extremely Ultra-Short Pulsed Laser Generated by Four-Wave Raman Mixing in Hydrogen Molecules for Chemical Analysis and Communication Applications, Y. Hirakawa, K. Tohnai, T. Imasaka, Anal. Sci., 17 Supplement, i1165-i1167 (2001).
  • 17. Micellar Electrokinetic Chromatography with Diode Laser Induced Fluorescence Detection as a Tool for Investigating the Fluorescence Labeling of Proteins, J. Peng, T. Kaneta, T. Imasaka, Electrophoresis, 23(4), 550-555 (2001).
  • 18. A Tunable Picosecond Dye Laser for Use in Dioxin Analysis, N. Takeyasu, T. Deguchi, M. Tsutsumikawa, J. Matsumoto, T. Imasaka, Anal. Sci., 18(3), 243-246 (2002).
  • 19. New Quenching Scheme for the Generation of A Nearly Transform-Limited Picosecond Pulse in A Distributed Feedback Dye Laser, T. Deguchi, N. Takeyasu, T. Imasaka, Rev. Sci. Instrum., 73(5), 2203-2202 (2002).
  • 20. A Multi-Pass Hydrogen Raman Shifter for the Generation of Broadband Multifrequencies, L. L. Losev, Y. Yoshimura, H. Otsuka, Y. Hirakawa, T. Imasaka, Rev. Sci. Instrum., 73(5), 2200-2202 (2002).
  • 21. Ultratrace Analysis Based on Hadamard Transform Capillary Electrophoresis, T. Kaneta, K. Kosai, T. Imasaka, Anal. Chem., 74(10), 2257-2260 (2002).
  • 22. Use of Ring-Repeller, Double-Skimmer Electrodes for Efficient Ion Focusing in Mass Spectrometry, J. Matsumoto, G. Saito, T. Imasaka, Anal. Sci., 18(5), 567-570 (2002).
  • 23. Band Broadening Caused by the Multiple Labeling of Proteins in Micellar Electrokinetic Chromatography with Diode Laser-Induced Fluorescence Detection, P. Jing, T. Kaneta, T. Imasaka, J. Chromatogr. A, 959(1-2), 281-287 (2002).
  • 24. Determination of Dye/Protein Ratios in A Labeling Reaction between A Cyanine Dye and Bovine Serum Albumin by Micellar Electrokinetic Chromatography Using A Diode Laser-Induced Fluorescence Detection, P. Jing, T. Kaneta, T. Imasaka, Electrophoresis, 23(15), 2465-2470 (2002).
  • 25. Measurement of the First-Excited-Singlet-State Lifetime of Chlorobenzenes by a Pump-Probe Method Using a Narrow-Band Tunable Picosecond Laser, T. Deguchi, N. Takeyasu, T. Imasaka, Appl. Spectrosc., 56(9), 1241-1243 (2002).
  • 26. Elemental Analysis of Stainless Steel Using Hard X-Ray Emission Arising from A High-Density Plasma Produced by An Intense Femtosecond KrF Laser Pulse, N. Takeyasu, Y. Hirakawa, T. Imasaka, Appl. Spectrosc., 56(9), 1161-1164 (2002).
  • 27. A Sample Introduction Technique for Obtaining A Multiphoton Ionization Spectrum Using Picogram Quantities of Analyte in Supersonic Jet Spectrometry, J. Matsumoto, K. Kai, T. Imasaka, Anal. Chem., 75(2), 346-349 (2003).
  • 28. Direct Generation of A Tunable Nearly Transform-Limited Picosecond pulse in the Ultraviolet Region Using A Distributed-Feedback Dye Laser, D. Q. Hoa, N. Takeyasu, T. Imasaka, N. D. Hung, Rev. Sci. Instrum., 74(1), 28-31 Part 1 (2003).
  • 29. Resonance-Enhanced Multiphoton Ionization Mass Spectrometry Using a Two-Color Laser Beam Generated by Stimulated Raman Scattering, T. Uchimura, H. Kanda, T. Imasaka, Anal. Sci., 19(3), 387-390 (2003).
  • 30. Development of A Compact Supersonic Jet/Multiphoton Ionization/Time-of-Flight Mass Spectrometer for the On-Site Analysis of Dioxin, Part I: Evaluation of Basic Performance, J. Matsumoto, B. Nakano, T. Imasaka, Anal. Sci., 19(3), 379-382 (2003).
  • 31. Development of A Compact Supersonic Jet/Multiphoton Ionization/Time-of-Flight Mass Spectrometer for the On-Site Analysis of Dioxin, Part II: Application to Chlorobenzene and Dibenzofuran, J. Matsumoto, B. Nakano, T. Imasaka, Anal. Sci., 19(3), 383-386 (2003).
  • 32. Multiphoton Ionization Mass Spectrometry of Chlorophenols As Indicators for Dioxins, T. Uchimura, K. Hafner, R. Zimmerman, T. Imasaka, Appl. Spectrosc., 57(4), 461-465 (2003).
  • 33. Hadamard Transform Microchip Electrophoresis Combined with Diode Laser Fluorometry, K. Hata, Y. Kichise, T. Kaneta, T. Imasaka, Anal. Chem., 75(7), 1765-1768 (2003).
  • 34. Absorption Spectrometry Using A Diffractive Optical Element Constructed by Gel Electrophoresis, A. Shigyo, S. Miki, T. Kaneta, T. Imasaka, Anal. Sci., 19(5), 795-798 (2003).
  • 35. A Hybrid Laser System Consisting of A Frequency-Doubled, Narrow-Line-Width Distributed-Feedback Dye Laser Oscillator and A High Saturation-Fluence Ce:LiCaAlF6 Crystal Amplifier, D. Q. Hoa, N. D. Hung, J. Moroe, N. Takeyasu, T. Imasaka, Appl. Phys. Lett., 82(20), 3391-3393 (2003).
  • 36. Supersonic Jet/Multiphoton Ionization/Time-of-Flight Mass Spectrometry for Dioxin Analysis -Effect of Solvent in Solution Inlet/Laser Vaporization Technique-, M. Matsumoto, K. Nishimura, T. Uchimura, T. Imasaka, Anal. Chim. Acta, 484(2), 163-166 (2003).
  • 37. Effect of Laser Pulsewidth on the Generation of Multi-Color Laser Emission by Stimulated Raman Scattering and Four-Wave Raman Mixing in a KGd(WO4)2 Crystal, M. Matsuse, T. Deguchi, H. Ohtsuka, N. Takeyasu, Y. Hirakawa, T. Imasaka, Optics Comm., 223(4-6), 411-416 (2003).
  • 38. Application of Hadamard Transform Technique to Separation and Detection of Chiral Species Based on Capillary Electrophoresis (Japanese), K. Kaneta, M. Nishida, T. Imasaka, 52(12), 1193-1197 (2003).
  • 39. Detection of 27 Molecules in A Single Injection Volume by Hadamard Transform Capillary Electrophoresis, T. Kaneta, K. Kosai, T. Imasaka, Anal. Sci., 19(12), 1659-1661 (2003).
  • 40. Phase Locking in Four-Wave Raman Mixing for Generation of An Ultrashort Laser Pulse, H. Otsuka, T. Uchimura, T. Imasaka, Opt. Lett, 29(4), 400-402 (2004).
  • 41. A Two-Color Three-Photon Ionization Scheme for the Efficient and Selective Ionization of A Chlorinated Aromatic Hydrocarbon, T. Uchimura, K. Kai, T. Imasaka, Anal. Chem., 76(8), 2419-2422 (2004).
  • 42. Generation of An Ultrashort Optical Pulse by Four-Wave Raman Mixing in Deuterium Cooled at 77 K, H. Otsuka, S. Zaitsu, T. Uchimura, T. Imasaka, Appl. Phys. B, 78, 745-751 (2004)
  • 43. Efficient Generation of Rotational Stimulated Raman Emission Arising from the S0(0) Transition of Cooled Deuterium in the Visible Region, H. Otsuka, T. Imasaka, Optics Comm., 237(4-6). 417-422 (2004).
  • IMASAKA Laboratory.