We report a simple and rapid method to synthesize water-soluble and biocompatible fluorescent quantum dot (QD)-micelles by encapsulation of monodisperse, hydrophobic QDs inside surfactant/lipid micelles. Analysis of UV-vis spectra, transmission electron microscopy, and photo luminescence spectra indicate that the water-soluble semiconductor QD-micelles are monodisperse and retain the optical properties of the original hydrophobic QDs. The QD-micelles were shown to be biocompatible and exhibited little or no aggregation when taken up by cultured rat hippocampal neurons.
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