Abstract
Chronic wound healing is an important and basic issue in medical and healthcare fields. Recently, stimuli-responsive hydrogel systems have emerged as promising drug delivery carriers for wound management. However, given to the limited therapeutic outcomes, new hydrogel systems for efficient wound treatment are urgently needed. Here, the development of a 2D MXene-based hydrogel system for highly efficient photo- and magnetic-responsive drug delivery oriented to deep chronic wounds repair is presented. The intelligent responsive MXene-based hydrogel drug delivery system is composed of MXene-wrapped magnetic colloids and poly(N-isopropyl acrylamide)-alginate dual-network hydrogels. It is demonstrated that the MXene-based hydrogel system exhibits multiple response capability and controllable drug delivery ability, which can reduce the toxic side effects of drugs and promote the wound healing process as well. Notably, the practical performance of the MXene-based hydrogel drug delivery system is demonstrated by applying it to the treatment of the full-thickness cutaneous wound and subcutaneous infected wound of the rat model, which indicates the great prospect in clinical wound healing and other related biomedical fields.
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