评估植物性和化学性银纳米颗粒的抗菌活性和加速伤口恢复
Bilal Ahmad1,2, Li Chang1,3, Caiyun Yin1
1College of Biology, Hunan University, Changsha 410082, China.
Nanomaterials (Basel, Switzerland)
|February 9, 2024
概括
绿色合成的银纳米颗粒 (AgNPs) 从西红显示优越的抗菌和伤口愈合特性与化学制造的AgNPs相比. 这些环保的AgNP有效地对抗Klebsiella肺炎感染,并促进皮肤再生.
科学领域:
- 纳米技术纳米技术
- 材料科学 材料科学 材料科学
- 生物技术是生物技术.
背景情况:
- 使用植物提取物进行银纳米颗粒 (AgNPs) 的绿色合成,为化学方法提供了经济和环保的替代方案.
- 香提取物因其生物相容性和成本效益的特性而被探索合成AgNP.
- 由于其独特的特性,AgNP具有多样化的应用.
研究的目的:
- 通过绿色方法从大叶中合成AgNP.
- 评估和比较绿色AgNP的抗菌,抗炎,抗氧化和伤口愈合特性与化学合成的AgNP.
- 研究绿色AgNPs在Klebsiella肺炎感染模型中加速伤口愈合的疗效.
主要方法:
- 使用叶提取物 (绿色合成) 合成AgNP,并与化学合成的AgNP进行比较.
- 描述包括泽塔潜力,尺寸和形状的TEM,以及功能组的FTIR.
- 在体外研究中评估了对Klebsiella pneumoniae的抗菌活性,抗氧化能力和ROS生成.
- 在体内实验中评估了受感染伤口的伤口愈合加速,分析了细菌消除,皮肤再生,原沉积,炎症和VEGF和CD31的表达.
主要成果:
- 绿色AgNP的泽塔电位为-32.4mV,具有立方形形状和~100nm直径,类似于化学AgNP.
- 绿色AgNP的FTIR光谱表明存在基组.
- 与化学AgNP相比,绿色AgNP在体外表现出增强的抗菌活性对抗Klebsiella pneumoniae,增加ROS生成,以及显著的抗氧化活性.
- 在体内,绿色AgNP显著加速Klebsiella肺炎感染的伤口的伤口愈合,减少炎症,促进皮肤再生和原沉积.
结论:
- 绿色合成的AgNP来自大,是有效的抗菌和伤口愈合剂.
- 这些环保的AgNP在抗击Klebsiella pneumoniae感染和促进组织修复方面优于化学合成的对应物.
- 绿色AgNP为感染性伤口管理提供了一个有希望的治疗策略,减少了炎症影响.
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