A dual-network Bletilla striata polysaccharide hydrogel for PPAR-mediated macrophage polarization and accelerated diabetic wound healing.

Chronic diabetic wounds remain difficult to heal due to persistent inflammation and impaired macrophage polarization. Herein, we developed an immunoregulatory dressing using a hybrid hydrogel (C-B-S) synthesized from natural polysaccharides through t…

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