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Medicinal applications of luminescent quantum dots (QDs) are of growing interest. In spite of the fact that their fabrication and imaging functions have been extensively investigated during the last decade, very little is known on curative potential of the QDs. In this study, we focus on cytotoxicity and phototoxicity of red-absorbing ( <;630 nm) nontargeted CdSe/ZnS QDs with fluorescence peak...
We have prepared the multi-color hybrid silica spheres by assembling CdSe/ZnS quantum dots (QDs) on the organic dye-doped silica spheres. The labeled silica spheres can be excited simultaneously and exhibit dual luminescent emissions corresponding to the dyes and QDs, respectively. The fluorescence of QDs can be selective enhanced by Au nanoparticles, and the fluorescence intensity ratio of the dual...
We report surface-plasmon enhanced fluorescence in CdSe/ZnS semiconductor quantum dots via linear and nonlinear excitations. 2times and 10times fluorescence enhancements have been achieved for linear and nonlinear excitations, respectively.
We report the delivery of quantum dot (QD) fluorescence probes into mammalian cells by electroporation and endocytosis. The pH sensitivity of mercaptoacetic-acid-capped CdSe/ZnSe/ZnS quantum dots (MAA QDs) was investigated in both solution and living cells, demonstrating the potential of QDs as an intracellular pH sensor with long-term photostability and limited photobleaching. Further, QDs were utilized...
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