抗菌伤口带有由减少的石墨烯氧化物合聚乙烯醇/酸混合物的交叉连接电表面
Sema Samatya Yilmaz1, Ayse Aytac1,2
1Chemical Engineering Department, Kocaeli University, Kocaeli, Turkey.
Biopolymers
|April 5, 2024
概括
这项研究开发了用于先进伤口包裹的新型聚乙醇/ kazeinate/减少氧化石墨烯纳米纤维. 这种交叉链接的生物材料表现出极好的水稳定性,胀性和对S. aureus的显著抗菌活性.
科学领域:
- 生物材料科学 生物材料科学
- 纳米技术 纳米技术
- 伤口愈合 治愈 伤口愈合
背景情况:
- 先进的伤口带对于有效的愈合至关重要,特别是对于流出的伤口.
- 开发具有抗菌性质和受控降解的材料是一个关键的挑战.
- 聚乙醇 (PVA) 和 kazeinate (SodCa) 提供生物相容性,而减少的氧化石墨烯 (rGO) 可以赋予增强的功能.
研究的目的:
- 开发和描述用于伤口包装应用的新型PVA/SodCa/rGO纳米纤维.
- 评估开发的生物材料的结构性,机械性和抗菌性.
- 评估交联纳米纤维的水稳定性和膨胀行为.
主要方法:
- 纳米纤维使用电技术在PVA/SodCa矩阵中制造出不同度的rGO (1-7%).
- 用甲 (GLA) 浴进行了水友电地毯的交叉连接.
- 鉴定包括表面微图,纤维直径测量,水溶性,胀测试,抗拉强度分析和抗菌检测对金黄色细菌.
主要成果:
- 均和光滑的纳米纤维,直径在301-348nm之间,已成功生产出来.
- 交叉连接的纳米纤维显示出显著的水稳定性 (81-87%的24小时后保持) 和胀行为 (275-608%).
- 穿孔度在交叉连接后增加了46.75%,并且随着rGO的加入,拉伸强度得到了改善.
- 观察到高抗菌活性对金黄色菌 (99.38%与3%的rGO, 99.55%与5%的rGO).
结论:
- 开发的PVA/SodCa/rGO纳米纤维为先进的伤口带提供了一个有前途的生物材料.
- 交叉连接可以提高纳米纤维在水环境中的稳定性和机械性能.
- 该材料表现出强大的抗菌功效,表明其在伤口中预防感染的潜力.
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