Cadmium-free quantum dots as time-gated bioimaging probes in highly-autofluorescent human breast cancer cells
Chemical Communications2012Vol. 49(6), pp. 624–626
Citations Over TimeTop 10% of 2012 papers
Abstract
We report cadmium-free, biocompatible (Zn)CuInS(2) quantum dots with long fluorescence lifetimes as superior bioimaging probes using time-gated detection to suppress cell autofluorescence and improve the signal : background ratio by an order of magnitude. These results will be important for developing non-toxic fluorescence imaging probes for ultrasensitive biomedical diagnostics.
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