Electrospun soy-protein-based nanofibrous membranes for effective antimicrobial air filtration

Soy proteins are gaining more and more attention because of its multifunction and biodegradability. Silver nanoparticles (AgNPs) are introduced into the nanofibers to prevent growth of microorganisms over the filter media. In the present study, the multifunctional and antimicrobial nanofibrous membranes were prepared by electrospinning the soy protein isolate (SPI)/polymide-6 (PA6)-silver nitrate system followed by ultraviolet reduction. The morphology of SPI/PA6 nanofibrous membranes was characterized by scanning electron microscopy. Antibacterial property of nanofibrous membranes were investigated against Escherichia coli and Bacillus subtilis. The optimized fiber membrane exhibited over 95% filtration efficiency of PM0.3 (particulate matter size less than 0.3 mu m). The successful synthesis of SPI/PA6-AgNPs nanofibrous membranes would make it to be the potential candidate for novel antibacterial and high-performance air filter. (C) 2017 Wiley Periodicals, Inc.

大豆蛋白由于其多功能性和可生物降解性而受到越来越多的关注。以防止微生物在过滤介质上生长，银纳米颗粒（AgNP）会被引入到纳米纤维中。 在本研究中，通过静电纺丝大豆分离蛋白（SPI）/聚酰胺6（PA6）硝酸银系统，然后进行紫外线还原，制备了多功能且具有抗菌性的纳米纤维膜。 SPI / PA6纳米纤维膜的形貌通过扫描电子显微镜表征。 研究了纳米纤维膜对大肠杆菌和枯草芽孢杆菌的抗菌性能。 优化的纤维膜对PM0.3的过滤效率超过95％（颗粒尺寸小于0.3微米）。 SPI / PA6-AgNPs纳米纤维膜的成功合成将使其成为新型抗菌和高性能空气过滤器的潜在候选者。 （C）2017威利期刊公司

Published: 2018

Journal ：JOURNAL OF APPLIED POLYMER SCIENCE

Impact Factor：2.668

Paper link: https://onlinelibrary.wiley.com/doi/abs/10.1002/app.45766