Abstract
There is clinical need to develop a multifunctional composite hydrogel for effectively removing residual tumor tissue and promoting wound healing after surgical resection of skin tumors. Herein, an iron manganese silicate (FeMn(SiO4))-incorporated bioactive hydrogel for photothermal therapy of skin tumor cells has been successfully designed in the present study. The synthesized FeMn(SiO4) (FMS) possessed a hollow sphere structure with rough surface, showing favorable photothermal effect. By incorporating FMS into the sodium alginate (SA) hydrogel, the prepared composite hydrogel (FMS/SA) exhibited the function of eliminating skin tumor cells in vitro by photothermal therapy (PTT). Moreover, attributed to the released bioactive ions (e.g., Fe, Mn and Si ions) from FMS, the FMS/SA composite hydrogel presented desirable biocompatibility, which is expected to benefit for skin wound healing of patients after skin tumor resection. Overall, the FMS/SA composite hydrogel has potential application in skin tumor therapy and wound healing, providing an effective and feasible strategy for the development of a comprehensive therapy for skin tumor after surgery.
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