| CdTe量子点与罗丹明6G间的荧光共振能量转移机理研究 |
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| 引用本文： | 罗建梅,毕宁,张曼君,茶文丽,梁建功,陆冬莲. CdTe量子点与罗丹明6G间的荧光共振能量转移机理研究[J]. 分析科学学报, 2011, 27(2): 153-156 |
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| 作者姓名： | 罗建梅 毕宁 张曼君 茶文丽 梁建功 陆冬莲 |
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| 作者单位： | 华中农业大学理学院; |
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| 基金项目： | 国家大学生科技创新基金(No.091050428); 湖北省自然科学基金(No.2008CDB031); 中央高校基本科研业务费专项资金(No.2009JC005); 华中农业大学大学生科技创新基金(No.A009) |
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| 摘 要： | 本文在合成水溶性巯基乙酸修饰的CdTe量子点的基础上,研究了CdTe量子点与罗丹明6G之间的荧光共振能量转移.实验结果表明:构建的CdTe量子点(供体)-罗丹明6G(受体)荧光共振能量转移体系在磷酸盐缓冲溶液中有较好的转移效果.当磷酸缓冲溶液pH值为7.4,NaCl浓度为1.0 mol/L时,构建的CdTe量子点-罗丹...
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| 关 键 词： | CdTe量子点 罗丹明6G 荧光共振能量转移 |
Study on Fluorescence Resonance Energy Transfer between CdTe Quantum Dots and Rhodamine 6G |
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| LUO Jian-mei,BI Ning,ZHANG Man-jun,CHA Wen-li,LIANG Jian-gong,LU Dong-lian. Study on Fluorescence Resonance Energy Transfer between CdTe Quantum Dots and Rhodamine 6G[J]. Journal of Analytical Science, 2011, 27(2): 153-156 |
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| Authors: | LUO Jian-mei BI Ning ZHANG Man-jun CHA Wen-li LIANG Jian-gong LU Dong-lian |
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| Affiliation: | LUO Jian-mei,BI Ning,ZHANG Man-jun,CHA Wen-li,LIANG Jian-gong,LU Dong-lian(College of Science,State Key Laboratroy of Agricatrual Microbiology,Huazhong Agricultural Uuniversity,Wuhan 430070) |
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| Abstract: | CdTe quantum dots(QDs) were synthesized in aqueous medium by employing thioglycolic acid as a stabilizer.The fluorescence resonance energy transfer(FRET) between CdTe QDs and rhodamine 6G(Rh 6G) was investigated.The results showed that the energy transfer efficiency was 62% at pH=7.4 in 1.0 mol/L NaCl.Rh 6G molecules interacted not only with thioglycolic acid but also with the surface of CdTe QDs directly.The forces of the interaction were electrostatic interaction and coordinate interaction. |
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| Keywords: | CdTe quantum dots Rhodamine 6G Fluorescence resonance energy transfer |
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