Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2011: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2009: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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Research Abstract |
Electron-ion and photon-ion interactions were studied for various biomolecules by using an electrostatic storage ring. For the electron collisions with DNA cations and S-S bonded peptide cations, strong resonances originated from electron-capture-dissociation were observed at around 4.5 and 6 eV, respectively. Furthermore, with the laser irradiation, photo-dissociation processes were studied for GFP(green fluorescent protein) chromophore anions. The lifetimes of photoexcited anions depend on the storage time of ions. This is due to the relaxation process of precursorions.
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