期刊
JOURNAL OF LUMINESCENCE
卷 132, 期 10, 页码 2595-2598出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jlumin.2012.04.028
关键词
Quantum dots; Luminescence; Nanostructures; Biocompatibility; X-ray diffraction; Water-stable
类别
资金
- Key Project of Tianjin Sci-Tech Support Program [08ZCKFSH01400]
Semiconductor quantum dots (QDs) as a kind of biological labeling material have many unique fluorescence properties relative to conventional organic dyes, which can be used for long-term fluorescence tracking. In this work, a facile method was developed for synthesizing water-stable ZnO nanoparticles with green emission. The as-synthesized ZnO nanoparticles were shown to be highly stable and soluble in water. Transmission electron microscopy (TEM) and X-ray diffraction (XRD) as well as UV-vis and fluorescence spectrophotometry (PL) were employed to investigate the structures and properties of ZnO nanoparticles. Furthermore, hemolysis assay was performed to evaluate the biocompatibility of these ZnO nanoparticles in vitro. The results indicate that the as-prepared ZnO nanoparticles have biocompatibility, which make them a promising cell label. (C) 2012 Elsevier B.V. All rights reserved.
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