对绿色合银变体进行比较评估,以提高稳定性和生物活性
Federico Trotta1, Danielle Winning2, Sophie Sadiatoonasa2
1Metalchemy Limited, 71-75 Shelton Street, London, WC2H 9JQ, UK. ft@metalchemy.tech.
Scientific reports
|December 4, 2025
概括
绿色合成为消费产品提供稳定,有效的合银 (CS). 与传统的CS相比,植物性方法如CSBX3和汁 (CSLJ) 显示出优越的稳定性和抗菌性质.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 绿色化学 绿色化学
背景情况:
- 合银 (CS) 增强了消费品,但面临着传统合成 (毒性,成本,稳定性) 的挑战.
- 使用植物提取物的绿色合成为CS生产提供了一个可持续的替代方案.
研究的目的:
- 为了比较通过一种专利植物性方法 (CSBX3),汁 (CSLJ) 和绿茶 (CSGT) 合成的CS的稳定性,组成和有效性,与商业参考 (CSRef) 相比.
- 评估绿色合成的CS配方的抗氧化和抗微生物特性.
主要方法:
- 描述技术包括UV-Vis,动态光散射 (DLS),扫描电子显微镜 (SEM),泽塔潜力和能量散射X射线光谱 (EDS).
- 在长期储存 (60天),不同温度 (4-37°C),pH (3-11) 和酸盐缓冲盐水 (PBS) 下评估了稳定性.
- 确定了抗氧化活性和对大肠杆菌和李斯特菌的最小抑制度 (MIC).
主要成果:
- CSBX3和CSLJ在各种压力条件下表现出优越的体稳定性,包括低温和PBS.
- 在广泛的pH范围 (中性到性) 中,CSBX3保持了粒子分散和均性.
- CSGT和CSBX3表现出最强的抗氧化和抗菌活性,CSGT显示出20%更高的抗氧化能力和90%以上的细菌根除在24小时内.
结论:
- 绿色合成方法,特别是CSBX3和CSLJ,产生高度稳定的合银配方.
- 由于其增强的性能,CSBX3和CSGT显示出在食品,生物医学和个人护理行业中应用的巨大潜力.
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