Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 16, Issue 28, Pages 2896-2902Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b605333e
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We report the preparation and luminescence enhancement of thioglycolic acid (TGA) stabilised CdTe quantum dots (QDs) for use as live cell imaging tools in THP-1 macrophage cells. Short irradiating times utilising a high powered Hg lamp resulted in increases in luminescence efficiencies of up to similar to 40% and permit significantly enhanced live imaging of the THP-1 cellular components. It was found that the TGA-stabilised QDs traverse the cell membrane, illuminating the cytoplasm and decorating the nuclear membrane. These studies highlight the potential use of photoetched CdTe QDs as probes for specific in vitro labelling.
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