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1. 中国科学院 研究生院
2. 中国科学院长春光学精密机械与物理研究所 激发态物理重点实验室, 吉林 长春 130033
收稿:2009-05-08,
修回:1900-1-2,
网络首发:2010-02-20,
纸质出版:2010-02-20
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张友林, 曾庆辉, 孔祥贵. 生物偶联过程对于聚合物包覆的水溶性CdSe/ZnS核壳量子点发光的影响[J]. 发光学报, 2010,31(1):101-104.
ZHANG You-lin, ZENG Qing-hui, KONG Xiang-gui. The Influence of Bioconjugate Process on the Photoluminescence Properties of Water-soluble CdSe/ZnS Core-shell Quantum Dots Capped with Polymer[J]. Chinese Journal of Luminescence, 2010, 31(1): 101-104.
张友林, 曾庆辉, 孔祥贵. 生物偶联过程对于聚合物包覆的水溶性CdSe/ZnS核壳量子点发光的影响[J]. 发光学报, 2010,31(1):101-104. DOI:
ZHANG You-lin, ZENG Qing-hui, KONG Xiang-gui. The Influence of Bioconjugate Process on the Photoluminescence Properties of Water-soluble CdSe/ZnS Core-shell Quantum Dots Capped with Polymer[J]. Chinese Journal of Luminescence, 2010, 31(1): 101-104. DOI:
以传统的戊二醛交联的方法实现了聚丙烯酸包覆的CdSe/ZnS量子点和人IgG蛋白分子的偶联
同时研究了偶联过程对量子点发光性能的影响。通过琼脂糖凝胶电泳技术证明量子点和蛋白分子偶联成功。通过稳态光谱和时间分辨光谱研究了偶联过程对量子点荧光性质的影响。发现偶联到量子点表面的戊二醛分子能够破坏量子点的表面从而增加其表面缺陷
使量子点发光效率降低;上述产物进一步与人IgG偶联增强了量子点的荧光强度
这是由于连接到量子点上的蛋白分子修复了量子点的表面
从而降低了表面缺陷所致。
paper
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