CdTe量子点DNA荧光纳米探针的合成及表征

张秋艳 孙琳 李珍珍 潘玉瑾 王青 赵强

引用本文: 张秋艳, 孙琳, 李珍珍, 潘玉瑾, 王青, 赵强. CdTe量子点DNA荧光纳米探针的合成及表征[J]. 无机化学学报, 2015, (3): 543-547. doi: 10.11862/CJIC.2015.093 shu
Citation:  ZHANG Qiu-Yan, SUN Lin, LI Zhen-Zhen, PAN Yu-Jin, WANG Qing, ZHAO Qiang. Preparation and Characterization of CdTe QDs-DNA Fluorescent Nanoprobes[J]. Chinese Journal of Inorganic Chemistry, 2015, (3): 543-547. doi: 10.11862/CJIC.2015.093 shu

CdTe量子点DNA荧光纳米探针的合成及表征

  • 基金项目:

    国家自然科学基金(No.20975072)资助项目。 (No.20975072)

摘要: 采用水相合成法合成了巯基乙酸(TGA)修饰的水溶性CdTe量子点, 通过反相微乳液法制备了二氧化硅及壳聚糖修饰的核壳型复合荧光纳米粒子, 将其与DNA吸附连接, 得到CdTe量子点DNA荧光纳米探针。用扫描电镜、透射电镜、荧光光谱、红外光谱、紫外光谱、ζ电位等测试方法对产物的理化性质进行了分析表征。结果表明制备了表面富含氨基的复合荧光纳米粒子, 其对DNA具有良好的吸附作用。

English

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  • 收稿日期:  2014-11-24
  • 网络出版日期:  2015-01-07
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