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Int. J. Mol. Sci. 2015, 16(5), 11500-11508; doi:10.3390/ijms160511500

Microwave-Assisted Synthesis of Glutathione-Capped CdTe/CdSe Near-Infrared Quantum Dots for Cell Imaging

Department of Dermatologic Surgery, Shanghai Skin Disease Hospital, Shanghai 200443, China
These authors contributed equally to this work.
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Authors to whom correspondence should be addressed.
Academic Editor: Bing Yan
Received: 10 March 2015 / Revised: 11 May 2015 / Accepted: 11 May 2015 / Published: 19 May 2015
(This article belongs to the Collection Bioactive Nanoparticles)
View Full-Text   |   Download PDF [1806 KB, uploaded 19 May 2015]   |  

Abstract

These glutathione (GSH)-conjugated CdTe/CdSe core/shell quantum dot (QD) nanoparticles in aqueous solution were synthesized using a microwave-assisted approach. The prepared type II core/shell QD nanoparticles were characterized by UV–Vis absorption, photoluminescence (PL) spectroscopy, X-ray powder diffraction (XRD) and high-resolution transmission electron microscopy (HR-TEM). Results revealed that the QD nanoparticles exhibited good dispersity, a uniform size distribution and tunable fluorescence emission in the near-infrared (NIR) region. In addition, these nanoparticles exhibited good biocompatibility and photoluminescence in cell imaging. In particular, this type of core/shell NIR QDs may have potential applications in molecular imaging. View Full-Text
Keywords: biomaterials; semiconductors; near-infrared; core/shell; quantum dots; glutathione; molecular imaging biomaterials; semiconductors; near-infrared; core/shell; quantum dots; glutathione; molecular imaging
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Chen, X.; Li, L.; Lai, Y.; Yan, J.; Tang, Y.; Wang, X. Microwave-Assisted Synthesis of Glutathione-Capped CdTe/CdSe Near-Infrared Quantum Dots for Cell Imaging. Int. J. Mol. Sci. 2015, 16, 11500-11508.

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