Preparation of silica-coated CdSe QDs for cell imaging applications

被引：0

作者：

Xie Chunjuan ^{[1
]}

Li Jian ^{[2
]}

Yin Dongguang ^{[1
]}

Zhang Li ^{[1
]}

Liu Binhu ^{[1
]}

Wu Minghong ^{[1
]}

机构：

[1] Shanghai Univ, Coll Environm & Chem Engn, Shanghai 200444, Peoples R China

[2] Nanchang Hangkong Univ, Coll Environm & Chem Engn, Nanchang 330063, Peoples R China

来源：

NUCLEAR SCIENCE AND TECHNIQUES | 2010年 / 21卷 / 02期

基金：

中国国家自然科学基金;

关键词：

E-beams; Fluorescent quantum dots; Micro-spheres; Reverse microemulsion; Cell labels; QUANTUM DOTS; ULTRASENSITIVE DNA; AQUEOUS-SOLUTION; NANOPARTICLES; REDUCTION; CLUSTERS;

D O I：

暂无

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

CdSe quantum dots (QDs) were prepared at room temperature by E-beam irradiation of the solution, using ethylene diamine tetraacetic acid as stabilizer. Silica-coated CdSe QDs were made in water-in-oil microemulsion, while amino groups were introduced synchronously onto the nanoparticles by copolymerization of 3-aminopropyl-trimethoxysilane and tetraethyl orthosilicate. The results of TEM imaging, fluorescent spectroscopy and photostability tests show that the QDs are of uniform spherical size (200 +/- 8 nm), monodispersity, and high fluorescence and photostability.

引用

页码：80 / 83

页数：4

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