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首页> 外文期刊>The journal of physical chemistry, C. Nanomaterials and interfaces >Clusters of Poly(acrylates) and Silver Nanoparticles: Structure and Applications for Antimicrobial Fabrics
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Clusters of Poly(acrylates) and Silver Nanoparticles: Structure and Applications for Antimicrobial Fabrics

机译：聚丙烯酸酯和银纳米粒子的簇：抗菌织物的结构和应用

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摘要

Silver—poly(acrylate) clusters have been synthesized in water by reduction of AgNO3 in the presence of poly(acrylates) of different molecular weights through two different methods, NaBH4 reduction and UV exposure. The structure of the clusters and the effect of the synthesis parameters on the size and polydispersity of the particles were evaluated by means of small-angle X-ray scattering (SAXS) and confirmed by UV—visible absorption and transmission electron microscopy (TEM). The results clearly show that the reduction method and the polymer chain length play key roles in the achievement of few-nanometer-sized nanoparticles. The effect of the pH was also investigated. The nanoparticle dispersions were then used to functionalize cotton, wool, and polyester samples in order to obtain antimicrobial textiles for biomedical applications. The antimicrobial activity of the as-treated samples has been tested against Staphylococcus aureus, Staphylococcus epidermidis, Pseudomonas aeruginosa, and Candida albicans.
机译：通过在不同分子量的聚丙烯酸酯的存在下通过两种不同的方法（NaBH4还原和紫外线照射）还原AgNO3，可以在水中合成银-聚丙烯酸酯簇。通过小角X射线散射（SAXS）评估了团簇的结构以及合成参数对颗粒尺寸和多分散性的影响，并通过UV-可见吸收和透射电子显微镜（TEM）进行了确认。结果清楚地表明，还原方法和聚合物链长在实现纳米尺寸的纳米颗粒中起关键作用。还研究了pH的影响。然后将纳米颗粒分散体用于功能化棉，羊毛和聚酯样品，以获得用于生物医学应用的抗菌纺织品。已测试了所处理样品的抗金黄色葡萄球菌，表皮葡萄球菌，铜绿假单胞菌和白色念珠菌的抗菌活性。

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