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The heparin-Pluronic (HP) conjugate was coupled via redox-sensitive disulfide bond and contains a vinyl sulfone (VS) group with high reactivity to some functional groups such as thiol group. Heparin was conjugated with cystamine and the terminal hydroxyl groups of Pluronic were activated with the VS group, followed by coupling of VS groups of Pluronic with(More)
The rational design of nanomedicine to treat multidrug resistant (MDR) tumors in vivo is described in the study. We prepared multifunctionalized Pluronic micelles that are already well-established to be responsive to low pH and redox in order to systemically deliver doxorubicin (DOX) to MDR tumors. Folic acids (FAs) were introduced on the micelle surface as(More)
Porous nanosilica (PNS) has been attracting a great attention in fabrication carriers for drug delivery system (DDS). However, unmodified PNS-based carriers exhibited the initial burst release of loaded bioactive molecules, which may limit their potential clinical application. In this study, the surface of PNS was conjugated with adamantylamine (A) via(More)
UNLABELLED Nanoparticle-based imaging and therapy are of interest for theranostic nanomedicine. In particular, superparamagnetic iron oxide (SPIO) nanoparticles (NPs) have attracted much attention in cancer imaging, diagnostics, and treatment because of their superior imagability and biocompatibility (approved by the Food and Drug Administration). Here, we(More)
In recent years, injectable chitosan-based hydrogels have been widely studied towards biomedical applications because of their potential performance in drug/cell delivery and tissue regeneration. In this study, we introduce a simple and organic solvent-free method to prepare tyramine-tetronic-grafted chitosan (TTeC) via activation of four terminal hydroxyl(More)
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