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2Â¥2011-04-24 11:00:19
newtime007
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chrispaul(½ð±Ò+8, ²©Ñ§EPI+1): 2011-04-24 18:29:12
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±¾ÕªÒªÄÚÈÝÓеã¶à 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. |

3Â¥2011-04-24 14:26:28














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