基托桑纳米颗粒/天然复合泡的抗菌活性增强
Thidarat Petchsoongsakul1, Numporn Thungphotrakul1, Patcharin Jarastrakull2
1National Center of Excellence for Petroleum, Petrochemicals and Advance Material, Department of Chemical Engineering, Faculty of Engineering, Kasetsart University, Bangkok 10900, Thailand.
International journal of biological macromolecules
|June 24, 2025
概括
可生物降解的天然 (NR) 泡用素纳米粒子 (CSNPs) 增强,并使用电子束 (EB) 辐射进行交联. 这些环保的CSNP增强NR泡具有卓越的抗菌性能和生物可降解性,可用于生物医学应用.
科学领域:
- 材料科学 材料科学 材料科学
- 生物材料工程 生物材料工程
- 聚合物化学 聚合物化学
背景情况:
- 天然 (NR) 泡具有理想的弹性,但容易受到微生物污染,并依赖于化学交叉连接剂.
- 由于这些缺点,生物医学和卫生领域的应用有限.
- 需要先进的环保材料,具有固有的抗菌特性.
研究的目的:
- 开发可生物降解的抗菌NR复合泡.
- 加入奇托桑纳米颗粒 (CSNPs) 作为强化剂和抗菌剂.
- 使用电子束 (EB) 辐射作为一个干净的交联方法.
主要方法:
- 基托纳米颗粒 (CSNPs) 通过离子转化凝 (200-300纳米大小) 合成.
- 从天然乳 (NRL) 制造纯NR泡 (NRF),充满酸盐的泡 (CS/NRF) 和充满CSNP的泡 (CSNPs/NRF).
- 使用电子束 (EB) 辐射 (200kGy) 进行火山化;通过SEM,TEM和缩硬度测试进行表征;抗菌和生物降解性评估.
主要成果:
- SEM证实了多孔结构,在CSNP/NRF中分散性得到改善.
- 可接受的机械性能以25%的痕硬度表示.
- 在CSNP/NRF中显著增强了对黄金葡萄球菌和大肠杆菌的抗菌活性.
- 所有泡类型都表现出与微生物殖民和减肥的生物降解性.
结论:
- 通过EB辐射交联的CSNP增强的NR泡显示出有希望的环保抗菌特性.
- 增强的抗菌疗效归因于CSNP的大小,表面积和分布.
- 在需要可生物降解的抗菌材料的生物医学和卫生应用中使用的潜力.
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