| Budget Amount *help |
¥18,720,000 (Direct Cost: ¥14,400,000、Indirect Cost: ¥4,320,000)
Fiscal Year 2014: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2013: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2012: ¥11,050,000 (Direct Cost: ¥8,500,000、Indirect Cost: ¥2,550,000)
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| Outline of Final Research Achievements |
Laser excited emission and dissociation spectroscopy is applied to ionic species which are formed by the electrospray ion source(ESI). Ions accumulated in an ion-trap are irradiated by a pulsed laser and fluorescence from the ions or their depletion are monitored.
Ru(bpy)32+ is formed by the ESI and desolvated. The laser pulse corresponding to the MLCT(metal-ligand charge transfer) band is irradiated to the ions accumulated in the ion-trap. The depletion of Ru(bpy)32+ is measured as a function of laser wavelength. The dissociation action spectrum shows the band similar but much narrower than the spectra in solutions.
Rhodamin 590 is selected to measure the laser-induced fluorescence from isolated ions. Long accumulation time enable to measure the LIF spectrum, which is largely blue shifted compared to the R590 in solution. This measurement encourage to extend the LIF study to the various isolated biological ions, and comparison with the solution will provide valuable information.
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