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chrispaul(金币+8, 博学EPI+1): 2011-04-24 18:29:12
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   O-acylation chitosan(OCS) was prepared using chitosan and different acyl side chain length under methane sulfonic acid protection, and OCS/PLLA  was also prepared  by solution blending method using trichloromethane as solvents.The rorce between OCS and PLLA are studied by infrared spectrum,thermal analysis and other means.Novel "composite" tissue engineering scaffolds materials  including amino or hydroxyl are prepared, and  vitamin C drugs slow-release in OCS/PLLA blending materials are studied.
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3楼2011-04-24 14:26:28
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