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以烯丙基尼罗红为荧光染料,采用分散聚合法制备了聚丙烯酰胺共聚荧光微球.紫外-可见和荧光分光光度计测试表明,将烯丙基尼罗红溶解在不同极性的有机溶剂或包埋在微球中,会具有不同的紫外-吸收和荧光光谱;环境扫描电子显微镜和荧光显微镜观察表明,产物微球具有良好的单分散性,荧光性能好且稳定;紫外-可见吸收光谱标准曲线法测定微球中烯丙基尼罗红的质量分数为8.167×10-3;红外光谱实验证明制得了聚丙烯酰胺微球和表面氨基的存在;电导率测定表明,微球表面氨基的含量较高,约为60 μmol/g.

参考文献

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