| Budget Amount *help |
¥20,150,000 (Direct Cost: ¥15,500,000、Indirect Cost: ¥4,650,000)
Fiscal Year 2013: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2012: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2011: ¥12,480,000 (Direct Cost: ¥9,600,000、Indirect Cost: ¥2,880,000)
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| Research Abstract |
In this research, the probe particles with mesoscopic size dispersed in complex fluids of soft matter are trapped in three dimensions by the newly developed multi-beam laser tweezers. We developed the multi-beam three-dimensional microrheology system which is highly precise and can measure the response of the particles to the thermal fluctuation and a local interaction. By utilizing this system, we studied (1) the rhythmic collective motion in the system composed of hydrodynamically coupled particles, (2) the interaction between colloids dispersed in liquid crystal and (3) the melting of a finite-sized two-dimensional colloidal crystal, and succeeded in acquiring various new knowledge.
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