用紫外-可见光谱法研究了8种菁染料与β-环糊精在水溶液中的包合现象. 实验发现,β-环糊精的加入使菁染料在水溶液中的吸光度及光稳定性普遍提高;对于同一系列不对称的一甲川噻菁染料,芳环上取代基体积较大的噻菁染料光稳定性提高程度最大.
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