Ultrasonic activated nanomaterials for promoting healing of diabetic wounds and methods of making and using the same

By using ultrasound-activated nanomaterials that load zinc oxide nanoparticles onto graphite-diyne nanosheets and modify them with L-arginine, the problems of insufficient phototherapy penetration and limited chemokinetics were solved, achieving a synergistic effect of deep sterilization and tissue repair, and promoting the healing of diabetic wounds.

CN122399019APending Publication Date: 2026-07-17ZHENGZHOU UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZHENGZHOU UNIV
Filing Date
2026-05-06
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies suffer from problems such as insufficient penetration depth of phototherapy, limitations of wound microenvironment in chemokinetics, and the difficulty of achieving both deep sterilization and tissue repair simultaneously with a single antibacterial mode.

Method used

A sonic-activated nanomaterial, consisting of graphdiyne nanosheets loaded with zinc oxide nanoparticles and modified with L-arginine, is used to generate reactive oxygen species through ultrasonic activation, which then oxidizes L-arginine to release nitric oxide, thus achieving a synergistic effect between sonic dynamic therapy and nitric oxide gas therapy.

Benefits of technology

It achieves synergistic treatment of deep antibacterial and active repair promotion, significantly promotes the healing of diabetic wounds, has highly efficient antibacterial properties and good biocompatibility, and avoids the risk of drug leakage.

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Abstract

本发明涉及抗菌材料技术领域,本发明公开了一种促进糖尿病伤口愈合的超声激活纳米材料及其制备方法与应用,该超声激活纳米材料包括石墨炔纳米片、负载于石墨炔纳米片表面的氧化锌纳米粒子、以及修饰于石墨炔纳米片及氧化锌纳米粒子外表面的L‑精氨酸;该纳米材料在超声激活下产生活性氧,活性氧化L‑精氨酸释放一氧化氮,实现声动力治疗与一氧化氮气体治疗的协同作用;该纳米材料在超声激活下具有高效的抗菌性能,对金黄色葡萄球菌、耐甲氧西林金黄色葡萄球菌和大肠杆菌的杀菌率达99.9%,能显著促进糖尿病伤口愈合,且具有良好的生物相容性和低溶血性;本发明的制备方法简单、条件温和,适合大规模工业化生产。
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