| Budget Amount *help |
¥18,590,000 (Direct Cost: ¥14,300,000、Indirect Cost: ¥4,290,000)
Fiscal Year 2009: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2008: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2007: ¥8,710,000 (Direct Cost: ¥6,700,000、Indirect Cost: ¥2,010,000)
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| Research Abstract |
We newly designed isopropylacrylamide(IPAAm)-based copolymers randomly containing carboxyl or hydroxyl groups. Their temperature-responsive behavior on comonomer composition, salt concentration and pH of the solution was precisely investigated. Furthermore, we studied coacervate droplet formation and corresponding micrometer-sized hydrogel by effective cross-linking reaction. Using the two kinds of IPAAm-based copolymer with different functional moieties, the obtained coacervate was completely fusion-type and the hydrogel showed semi-interpenetrating polymer network structure. Furthermore, the obtained hydrogel showed very sensitive temperature-and pH-responsive properties.
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