Remolding Waste Liquid From the Zeolite Synthesis Process Into Wrinkled Dressings for Diabetic Wound Therapeutics With Immunomodulation
Hanlin Yao , Xinyu You , Songqi Wu , Yunhao Wang , Di Hu , Yongsheng Ma , Jun Luo , Jie Qiu , Lihua Zhou
Energy & Environmental Materials ›› 2025, Vol. 8 ›› Issue (6) : e70072
Remolding Waste Liquid From the Zeolite Synthesis Process Into Wrinkled Dressings for Diabetic Wound Therapeutics With Immunomodulation
Chronic wounds resulting from diabetes are among the most common complications in diabetic patients. Attributable to poor local blood circulation and an increased risk of infection, these wounds heal slowly and are difficult to treat, posing a significant global health challenge. Herein, we achieved the green valorization of waste liquid from the natural clay-derived zeolite synthesis process and utilized it to fabricate metal-loaded aluminosilicate dressings with pronounced wrinkled structures (wrinkled Cu–AS, Ga–AS, and Ce–AS) through simple procedures. Wrinkled Cu–AS and Ce–AS exhibited strong antibacterial activity against Escherichia coli, Staphylococcus aureus, and Candida albicans, with wrinkled Ce–AS demonstrating notable antibiotic-like effects against C. albicans. Moreover, wrinkled Ce–AS enhanced hemostatic capability, promoted blood cell aggregation and activation, downregulated inflammatory markers (IL-6/TNFα), stimulated angiogenesis (VEGF), and shifted macrophage polarization toward the M2 phenotype, thereby facilitating rapid wound healing. Sprague–Dawley rats tolerated intraperitoneal administration well, with no observable toxicity as well as satisfactory hemolysis and cell compatibility. Notably, in the context of growing demand for natural clay utilization and zeolite production, this work presents a unique green approach for the efficient reuse of zeolite synthesis waste liquid, offering both environmental sustainability and commercial viability. This expands the repertoire of biomedical materials available for treating chronic diabetic wounds.
antimicrobial / diabetic wound healing / kaolinite / M2 macrophage / wrinkled dressing
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2025 The Author(s). Energy & Environmental Materials published by John Wiley & Sons Australia, Ltd on behalf of Zhengzhou University.
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