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

Preparation and Characterization of CdTe QDs-DNA Fluorescent Nanoprobes

1.
College of Chemical Engineering, Sichuan University, Chengdu 610065, China

Received Date: 24 November 2014
Available Online: 7 January 2015
Fund Project: 国家自然科学基金(No.20975072)资助项目。 (No.20975072)

The water-soluble CdTe quantum dots were synthesized with Thioglycolicacid (TGA) as stabilizer in the aqueous solution, and the ammonified core /shell nanoparticles coated with TEOS and chitosan were synthesized with reverse microemulsion method. The nanocomposites were connected with DNA by electrostatic adsorption. The property and morphology of these particles were characterized by SEM, TEM, FL, IR, UV and Zeta Potential. The results showed that the amino-modified nanocomposites were synthesized successfully and had high adsorption capacity for DNA.
- CdTe Quantum Dots;ammonification;fluorescence;nanoprobe;DNA
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沈阳化工大学材料科学与工程学院沈阳 110142