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壳聚糖微球的自发荧光机理
Authors
吴有斌
宋春艳
+4 more
张栩
张竞
王连艳
马光辉
Publication date
1 January 2011
Publisher
Abstract
为验证壳聚糖的自发荧光机理,以顺-2-甲基-2-丁烯醛和2-氨基-2-甲基丙烷为原料,在-14℃无水无氧条件下合成了具有-C==N-C==C-结构单元的产物,通过傅立叶红外光谱和液质联用技术进行结构确认,并对合成产物进行了荧光光谱扫描和激光共聚焦光谱扫描分析.结果表明,合成的物质在488nm激发下,于510~540和570~600nm波段采集到了稳定的荧光,与壳聚糖荧光微球的荧光波长一致.据此可推断壳聚糖微球的自发荧光主要源于-C==N-C==C-共轭结构单元
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Last time updated on 05/12/2019