木材涂料与合银的抗菌效率随时间的推移和屏障特性
Massimo Calovi1, Valentina Coroneo2, Stefano Rossi3
1Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123, Trento, Italy. massimo.calovi@unitn.it.
Applied microbiology and biotechnology
|August 8, 2023
概括
合银涂层在木材表面提供长时间的抗微生物活性,对抗大肠杆菌和金黄色杆菌等细菌. 然而,由于银在公共场合的使用是不鼓励的.
科学领域:
- 材料科学 材料科学 材料科学
- 抗微生物涂料 抗微生物涂料
- 纳米技术纳米技术
背景情况:
- 传统的生物杀菌剂面临着有效性和环境影响的挑战.
- 抗菌木材涂料的耐用性和长期性能至关重要.
- 合性银纳米粒子 (AgNPs) 显示出对抗微生物应用的前景.
研究的目的:
- 评估具有不同合银含量的木材涂料的长期抗菌疗效和耐用性.
- 评估合银对涂层屏障性能和美观外观的影响.
- 为了确定基于银的抗微生物木材涂料的"到期日"或有效寿命.
主要方法:
- 用不同的合银度涂抹木材的应用.
- 随着时间的推移,对大肠杆菌和黄金杆菌的抗菌有效性测试.
- 降解试验,抗液体,吸水,汗水试验和色度分析.
- 评估屏障性能和美学耐用性.
主要成果:
- 结合体银的加入并没有对木漆沉积产生负面影响,也没有引入缺陷.
- 涂料显示持续高抗菌活性对大肠杆菌和黄金杆菌.
- 基于银的涂层对洗剂和水具有很好的耐受性,但在酸性条件下会氧化.
- 颜色测量分析证实了美学耐用性.
结论:
- 合银涂层为传统生物制剂提供了持久的替代品,提供了长时间的抗微生物活性.
- 这些涂料对常见的家用清洁剂和水具有很好的抗性.
- 银对酸性环境的敏感性限制了它们在可能暴露在酸性环境的公共空间中的应用.
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