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化工新型材料  2018, Vol. 46 Issue (12): 99-103    
  新材料与新技术 本期目录 | 过刊浏览 | 高级检索 |
生物纳米银/聚醚砜复合膜的制备及性能研究
张曼莹, 刘姿铔, 邬艳君
江苏理工学院化学与环境工程学院,常州213001
Preparation and characterization of Bio-Ag0/PES nanocomposite membrane
Zhang Manying, Liu Ziya, Wu Yanjun
Department of Chemical and Environmental Engineering,Jiangsu University of Technology,Changzhou 213001;
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摘要 采用生物还原法制备生物纳米银(Bio-Ag0),通过相转化法制备Bio-Ag0/聚醚砜(PES)复合膜。扫描电镜分析表明,Bio-Ag0可以均匀稳定地分散在PES基膜中。纳米银共混可以改善膜断面孔结构,在不影响蛋白质截留率的前提下提高复合膜的纯水通量。采用抑菌环、菌落计数及孔板生物膜培养法研究了Bio-Ag0/PES复合膜的抗污染性能。结果显示,Bio-Ag0不仅使纳米复合膜具备良好的抗菌性,而且能有效地抑制细菌在膜表面的粘附及生物膜的形成,显著提高膜材料的抗生物污染性能。
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张曼莹
刘姿铔
邬艳君
关键词:  生物纳米银  纳米复合膜  抗菌性  抗生物污染  通量恢复率    
Abstract: Biogenic silver nanoparticles (Bio-Ag0) were synthesized via the bioreduction method.Bio-Ag0/PES nanocomposite membranes were prepared by blending different amounts of Bio-Ag0 to the PES dope solution using the phase-inversion process.SEM results demonstrated that Bio-Ag0 can well disperse on PES matrix without obvious aggregation.Bio-Ag0 incorporation slight improved the cross-section morphology of PES membrane,and improved the water permeability and also did not sacrifice the protein rejection capability of composite membranes.The anbiofouling property of Bio-Ag0/PES were tested by inhibition zone method,colony forming count method and the biofilm formation assay.Bio-Ag0/PES not only exhibited excellent anti-bacterial activity,but also prevented bacteria attachment on the membrane surface and decreased the biofilms formation.Bio-Ag0/PES were considered to be an effective strategy to significantly improve the anti-biofouling properties of membrane materials.
Key words:  biogenic nano silver    nanocomposite membrane    antibacterial    antibiofouling    flux recovery ratio
收稿日期:  2017-08-05                     发布日期:  2019-01-07      期的出版日期:  2018-12-20
基金资助: 国家自然科学基金青年基金(51508239);江苏省自然科学基金青年基金(BK20150245);江苏省“青蓝工程”项目
作者简介:  张曼莹(1987-),女,博士研究生,讲师,研究方向为抗污染膜材料制备及应用。
引用本文:    
张曼莹, 刘姿铔, 邬艳君. 生物纳米银/聚醚砜复合膜的制备及性能研究[J]. 化工新型材料, 2018, 46(12): 99-103.
Zhang Manying, Liu Ziya, Wu Yanjun. Preparation and characterization of Bio-Ag0/PES nanocomposite membrane. New Chemical Materials, 2018, 46(12): 99-103.
链接本文:  
http://www.hgxx.org/CN/  或          http://www.hgxx.org/CN/Y2018/V46/I12/99
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