Ultimate vibrational spectroscopy in the time and space domains: Toward the elucidation of the mechanism of material organization, from molecules to living cells

开发新的时空分辨振动光谱仪以下五个新的光谱系统是在化学系建造的，1）飞秒时间分辨紫外/可见/近红外吸收和荧光光谱仪2）皮秒时间分辨拉曼光谱仪3）纳秒时间分辨红外/近红外光谱仪4）多路汽车（相干反斯托克斯拉曼散射）显微光谱仪5）超拉曼显微光谱仪关于复杂分子系统的新发现，从一个分子到一个活细胞所开发的新仪器已被应用于许多复杂的分子系统，以获得以下结果。咪唑类离子液体中局域结构的形成（东京大学）2）红外线电吸收光谱法测定对硝基苯胺的溶剂化结构（东京大学）3）β-胡萝卜素共振超拉曼散射中“分子近场效应”的发现（东京大学）4）混合分子晶体中的超快分子动力学飞秒荧光成像（RIKEN）5）TiO_2中电子的超快光生和复合动力学（东京大学）6）三重态芳族羰基的夺氢反应的新机理（东京大学）7）具有引发结构变化的发色团的树枝状聚合物的结构和动力学（筑波大学）8）磷脂膜的光诱导电子转移（东京大学）9）发现活酵母细胞中生命的拉曼光谱特征（东京大学）10）细胞生长过程中结构形成的非线性理论（东京大学）

Development of new time-and space-resolved vibrational spectroscopiesThe following five new spectroscopic systems were constructed at the Department of Chemistry, the University of Tokyo.1) Femtosecond time-resolved ultraviolet/visible/near-infrared absorption and fluorescence spectrometer2) Picosecond time-resolved Raman spectrometer3) Nanosecond time-resolved infrared/near-infrared spectrometer4) Multiplex CARS (Coherent Anti-Stokes Raman Scattering) microspectrometer5) Hyper-Raman microspectrometerNew findings concerning complex molecular systems, from a molecule to a living cellThe new apparatus developed have been applied to many complex molecular systems to obtain the following results.1) Local structure formation in imidazolium based ionic liquids (The University of Tokyo)2) Solvation structures of p-nitroaniline by infrared electroabsorption spectroscopy (The University of Tokyo)3) Discovery of "molecular near-field effect" in resonance hyper-Raman scattering of β-carotene (The University of Tokyo)4) Ultrafast molecular dynamics in mixed molecular crystals by femtosecond fluorescence imaging (RIKEN)5) Ultrafast photogeneration and recombination dynamics of electrons in TiO_2 (The University of Tokyo)6) New mechanism of the hydrogen abstraction reaction by triplet aromatic carbonyls (The University of Tokyo)7) Structure and dynamics of dendrimers having chromophores to trigger structural changes (University of Tsukuba)8) Photoinduced electron transfer across a phospholipid membrane (The University of Tokyo)9) Discovery of the Raman spectroscopic signature of life in living yeast cells (The University of Tokyo)10) Non-linear theory of structure formation during the cell growth (The University of Tokyo)