CdTe量子点与牛血红蛋白相互作用的研究A Study on the Interactions between CdTe QDs and Bovine Hemoglobin
伊魁宇;韩永和;许尊炼;王猛;
摘要(Abstract):
以巯基乙酸为稳定剂在水相中合成了尺寸均匀的CdTe量子点(QDs).考查了磷酸盐(PBS)缓冲体系中量子点与牛血红蛋白(Bovine Hemoglobin,BHb)之间的作用规律.结果表明,巯基乙酸修饰的CdTe量子点与BHb有较强的作用.BHb能使修饰后的CdTe量子点发生荧光淬灭现象,并且BHb的浓度以及酸度对荧光淬灭均有影响,并探讨了导致荧光淬灭的原因以及量子点与血红蛋白相互作用的机理.
关键词(KeyWords): CdTe量子点;牛血红蛋白;荧光淬灭
基金项目(Foundation): 国家自然科学基金资助项目(21205139);; 公安部应用创新计划项目(2012YYCXXJXY127);; 中国刑事警察学院大学生创新训练计划项目(201210175033)
作者(Authors): 伊魁宇;韩永和;许尊炼;王猛;
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