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Graphene quantum dots (GQD) generate intrinsic fluorescence, and improves aqueous stability of graphene oxide (GO) while maintaining wide chemical adaptability and high adsorption capacity. Despite GO's remarkable advantages in bio-imaging, bio-sensing and other biomedical applications, its biosafety issues are still unclear. Here we report a detailed and systematic study on the in vitro and in vivo...
Nanotechnology-based drug delivery systems have been intensively investigated, while only a few of them can be used for clinic application. Hematoporphyrin (HP), a major molecule in erythrocyte, has been widely used in photodynamic therapy (PDT). In the present study, polyethylene glycol (PEG) modified hematoporphyrin (HPP)-based nanoparticle system was designed to load doxorubicin (HPPD), in achieving...
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