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In vitro assessment of antibacterial potential and mechanical properties of Ag-TiO_2/WPU on medical cotton optimized with response surface methodology

机译:响应面法优化体外医用棉上Ag-TiO_2 / WPU的抗菌潜力和力学性能

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摘要

The environmental-friendly, economical, and simple one pot formulation for enhanced antibacterial and mechanical property finishing on medical cotton fabrics was successfully developed and optimized using a central composite design in conjunction with response surface methodology. It combines the concepts of in situ synthesis of AgNPs and photocatalytic property of TiO2 in waterborne polyurethane as the finishing emulsion without additional organic reducing or stabilizing agent. The optimal formulation with contents of AgNO3 (240 ppm) and TiO(2)NPs (980 ppm) exhibited excellent antibacterial activities against Klebsiella pneumoniae and Staphylococcus aureus with over 99% reduction and improved mechanical properties as well as non-toxicity to mammalian cells.
机译:使用中央复合设计结合响应表面方法,成功开发和优化了环保,经济,简单的一锅配方,可增强医用棉织物的抗菌和机械性能。它结合了AgNPs的原位合成和水性聚氨酯中TiO2的光催化性能的概念,无需额外的有机还原剂或稳定剂即可作为最终乳液。含有AgNO3(240 ppm)和TiO(2)NPs(980 ppm)含量的最佳配方对肺炎克雷伯菌和金黄色葡萄球菌显示出优异的抗菌活性,还原率超过99%,并改善了机械性能,并且对哺乳动物细胞无毒。

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