Vibrational and electronic structures of organic and biomolecular interfaces studied by SFG spectroscopy

2009 Fiscal Year Self-evaluation Report

• Project Area: Molecular Science for Supra Functional Systems ? Development of Advanced Methods for Exploring Elementary Process
• Project/Area Number: 19056007
• Research Category: Grant-in-Aid for Scientific Research on Priority Areas
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: Hiroshima University
• Principal Investigator: ISHIBASHI Taka-Aki Hiroshima University, 大学院・理学研究科, 准教授 (70232337)
• Project Period (FY): 2007 – 2011
• Keywords: 非線形分光 / 振動スペクトル / 電子スペクトル / 薄膜 / 界面 / 生体分子

Research Abstract

本研究の目的は,界面選択性をもつ表面界面の分光であるSFG分光法の機能を持つ高次系の解明のための計測法として可能性を開拓することである。特に電子共鳴条件下の振動SFG分光(電子振動二重共鳴SFG分光)に着目し,界面分子種の電子および振動状態に関する詳細な情報の獲得を目指す。そのために,重要な芳香族性生体分子である核酸塩基やアミノ酸類を固定した膜の測定を行うことで,電子共鳴条件下での測定手法と解析手法の基礎を確立させる。さらにその成果の上に,タンパク質やDNA分子などの生体高分子膜に挑戦する。

Research Products

• [Journal Article] Chiral Sum-Frequency Spectroscopy of Thin Films of Porphyrin J-Aggregates (2009)
  • Author(s): Tetsuhiko Nagahara, Kenji Kisoda, Hiroshi Harima, Misako Aida, *Taka-aki Ishibash
  • Journal Title: Journal of Physical Chemistry B 113 Pages: 5098-5103
  • Peer Reviewed
• [Journal Article] Identification of chemical species of fluorescein isothiocyanate isomer-I (FITC) monolayers on platinum by doubly-resonant sum-frequency generation spectroscopy (2008)
  • Author(s): Toshiki Maeda, Tetsuhiko Nagahara, Misako Aida, *Taka-aki Ishibashi
  • Journal Title: Journal of Raman Spectroscopy 39 Pages: 1694-1702
  • Peer Reviewed
• [Journal Article] 振動電子二重共鳴和周波発生分光による有機分子膜の研究 (2008)
  • Author(s): 石橋孝章
  • Journal Title: レーザー研究 37 Pages: 752-757
  • Peer Reviewed
• [Journal Article] Infrared-Ultraviolet Sum-Frequency Generation Spectrometer with a Wide Tunability of the Ultraviolet Probe (2007)
  • Author(s): Toshiki Maeda, Taka-aki Ishibashi
  • Journal Title: Applied Spectroscopy 61 Pages: 459-464
  • Peer Reviewed
• [Journal Article] Self-Assembled Monolayers of Double-Chain Disulfides of Adenine of Au: An IR-UV Sum-Frequency Generation Spectroscopic Study
  • Author(s): Tetsuhiko Nagahara, Takumi Suemasu, Misako Aida, *Taka-aki Ishibashi
  • Journal Title: Langmuir (in press)
  • Peer Reviewed
• [Presentation] Vibrationally-Electronically Doubly-Resonant Sum-Frequency Generation Spectroscopy of Molecular Thin Films (2009)
  • Author(s): Taka-aki Ishibashi
  • Organizer: The Division of Laser Science (DLS) of the American Physical Society (APS) 25th annual meeting
  • Place of Presentation: San Jose, USA(Invited)
  • Year and Date: 20091011-20091015
• [Presentation] Development of a Multiplex Spectrometer for Doubly-Resonant SFG spectroscopy (2008)
  • Author(s): Taka-aki Ishibashi
  • Organizer: The annual meeting of the Federation of Analytical Chemistry and Spectroscopy (FACSS)
  • Place of Presentation: Reno, USA(Plenary, Invited)
  • Year and Date: 20080928-20081002
• [Presentation] Vibrationally-electronically doubly-resonant SFG spectroscopy of interface species (2008)
  • Author(s): Taka-aki Ishibashi
  • Organizer: Tokyo International Symposium on Time- and Space-resolved Vibrational Spectroscopy
  • Place of Presentation: Tokyo, Japan(Invited)
  • Year and Date: 20080223-20080224
• [Presentation] Electronically-Vibrationally Resonant Sum Frequency Generation: Application to Chiral Spectroscopy of Thin Films of Porphyrin (2007)
  • Author(s): Tetsuhiko Nagahara, Misako Aida, Taka-aki Ishibashi
  • Organizer: The Annual Meeting of the Spectroscopical Society of Japan, Tokyo
  • Place of Presentation: Tokyo, Japan(Invited)
  • Year and Date: 20071112-20071114
• [Presentation] Electronically-Vibrationally doubly resonant SFG spectroscopy: a sensitive and selective probe for aromatic molecules at interfaces (2007)
  • Author(s): Taka-aki Ishibashi
  • Organizer: The 67th Okazaki Conference "Molecular Science and Chemical Biology of Biomolecular Function"
  • Place of Presentation: Okazaki, Japan(Invited)
  • Year and Date: 20071110-20071112