修改AgNP的多乳酸微针:制备和in vivo/in vitro抗菌研究
Wenqin Zhang1,2, Xiaozhen Cai2, Xinyi Zhang1,2
1School of Pharmacy, Fujian Medical University, Fuzhou, 350122, China.
Pharmaceutical research
|November 20, 2023
概括
用银纳米粒子 (AgNPs) 修改的多乳酸微针 (PLAMNs) 显示出持续的抗菌作用. 这项创新可以预防皮肤感染,为传统的微针生物传感器提供了更安全的替代方案.
科学领域:
- 生物材料科学 生物材料科学
- 纳米技术纳米技术
- 皮肤病学 皮肤病学
背景情况:
- 传统的微针 (MN) 生物传感器有可能导致皮肤感染.
- 开发具有固有的抗菌性质的MNs对于安全的生物传感应用至关重要.
研究的目的:
- 为了创建具有持续抗菌活性的聚乳酸微针 (PLAMNs).
- 为了防止与基于MN的生物传感器使用相关的皮肤感染.
主要方法:
- 使用聚多巴胺 (PDA) 通过现场减少合成的银纳米粒子 (AgNPs).
- 使用热方法制造的PLAMN.
- 通过PDA现场减少对AgNPs进行修改的PLAMNs,创建PLAMNs@PDA-AgNPs.
- 评估了物理化学性质,体外/体外抗菌疗效和生物相容性.
主要成果:
- PLAMNs@PDA-AgNPs表现出卓越的机械强度和100%的穿孔成功率.
- SEM和EDS证实用银成功修改了表面.
- 图尔测试表明微孔的快速愈合,证明了安全性.
- 在体外和体内研究均证实了显著的抗菌疗效.
结论:
- PLAMNs@PDA-AgNPs提供持续的抗菌活性,有效地解决皮肤感染风险.
- 这项技术为微针应用提供了有前途的进步,提高了安全性和有效性.
- 为预防感染提供了一种优越的替代传统的基于MN的生物传感器.
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