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适应微环境和NO持续释放的水凝通过细菌静止和血管生成加速受感染的伤口愈合

Yongzhe Liu¹, Li Ma¹, Xizhao Zhang¹

¹Department of Implantology & Tissue Engineering and Regeneration, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, Shandong, 250012, China.

International journal of biological macromolecules

|February 10, 2026

概括

这项研究引入了一种新型水凝,该水凝在受感染的伤口条件下释放氧化 (NO). 这项创新增强了抗菌作用,并促进了组织修复,以改善伤口愈合.

科学领域:

生物材料科学生物材料科学
伤口治愈研究研究伤口治愈研究
纳米技术纳米技术

背景情况:

受感染的伤口存在复杂的愈合挑战,包括持续的感染,炎症和糟糕的组织再生.
氧化 (NO) 显示出感染伤口愈合的希望,但控制和持续释放仍然很困难.
现有的治疗方法往往在微环境响应性和治疗剂的有效输送方面扎.

研究的目的:

开发一种适应微环境的水凝,用于持续释放氧化 (NO),用于治疗受感染的伤口.
研究开发的水凝的协同抗菌和组织再生特性.
为了评估水凝在减轻感染和促进伤口愈合方面的有效性,在体内.

主要方法:

制造一种含有过氧化物 (ZnO2) 纳米粒子和L-氨酸 (L-Arg) 的酸盐 (SAZA) 水凝.
研究ZnO2NP的水解和随后与L-Arg的级联反应,以在酸性条件下产生NO.
在体外和体内对抗菌活性,生物相容性,细胞迁移和血管生成的评估.

主要成果:

在模拟受感染的伤口环境中,SAZA 水凝证明了对pH反应的NO生成.
水凝通过NO介导的细菌DNA损伤和代谢抑制表现出增强的抗菌功效,由Zn2+增强.
在体内研究表明,水凝减少了感染和炎症,通过改善血管生成和原沉积加速了伤口愈合.

结论:

开发的SAZA水凝有效地以响应的方式提供持续的氧化 (NO),提供强大的抗菌活性.
水凝促进了组织修复的关键方面,包括细胞迁移和血管生成.
这种多功能水凝是一种有前途的治疗策略,可以促进感染伤口的治疗.

关键词:

受感染的伤口正在愈合.可以注射的水凝.氧化氧化是什么?持续释放的释放是一种持续释放.氧化过氧化是什么响应pH的反应性

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