| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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| Outline of Final Research Achievements |
Measurement of molecular weight of polymers from the microscopic distance of movement, which is afforded by the action of laser-induced shockwave, has been studied. The distances afforded to polysaccharides and proteins incresed with the molecular weight in different manners and association like dimerization of molecules showed a shift in the distance corresponding to their molecular weight. A decrease of the distance was observed when proteins were associated with surfactant molecules although the molecular weights were expected to increase. This has been attributed to a change in their molecular shape which was elongated by the association of the surfactant molecules. It has been concluded from these results that molecular shape in solution is an important factor as well as molecular weight determine the distance afforded by the action of shockwave in solution.
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