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A novel drug delivery system based on arginine-glycine-aspartic acid (RGD)-conjugated graphene quantum dots (GQDs) was synthesized and utilized to load the antitumor drug doxorubicin (DOX) for targeted cancer fluorescence imaging as well as tracking and monitoring drug delivery without the need for external dyes. The inherent stable fluorescence of GQDs enables real-time monitoring of the cellular...
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