科学研究

锌-镱无机抗菌材料的抗菌性能研究

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  • 1.昆明理工大学化学工程学院,昆明650500;
    2.昆明理工大学理学院,昆明650500
姚希燕(1996-),女,硕士,主要研究方向为无机抗菌材料。

收稿日期: 2019-05-08

  修回日期: 2020-05-27

  网络出版日期: 2020-10-23

基金资助

国家自然科学基金(21876010);昆明理工大学分析测试基金项目(2018M20162208022)

Study on antibacterial property of Zn-Yb inorganic material

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  • 1. Faculty of Chemical Engineering,Kunming University of Science and Technology,Kunming 650500;
    2. Faculty of Science,Kunming University of Science and Technology,Kunming 650500

Received date: 2019-05-08

  Revised date: 2020-05-27

  Online published: 2020-10-23

摘要

采用溶胶-凝胶法制备具有抗菌性能的Zn-Yb白炭黑。通过单因素实验获得该材料的较优制备条件:锌离子浓度为0.7mol/L,稀土元素镱离子浓度为0.007mol/L,反应时间为1h。以大肠杆菌为菌种,采用涂布平板法进行抗菌性能的检测。选用扫描电镜、能谱、BET比表面积、X射线衍射、电感耦合等离子体发射光谱仪和粒径分析等手段对产品进行表征。结果表明:掺杂稀土镱后的抗菌白炭黑结构蓬松,粒径较小,比表面积大且为无定形态,锌离子与镱离子的加入并没有改变载体的结构。抗菌结果表明该材料对大肠杆菌具有较好的抗菌性能,添加镱后抗菌率从71%提升到94%,稀土镱具有良好的协同抗菌能力。

关键词: ; ; 功能材料; 抗菌性能

本文引用格式

姚希燕, 郭洋洋, 唐晓宁, 张彬, 周士馨 . 锌-镱无机抗菌材料的抗菌性能研究[J]. 化工新型材料, 2020 , 48(8) : 198 -202 . DOI: 10.19817/j.cnki.issn 1006-3536.2020.08.044

Abstract

Zn-Yb white carbon black with antibacterial properties was prepared by sol-gel method.The preferred preparation conditions were obtained via controlling single factor variable experiment:Zn ion concentration was 0.7mol/L,Yb ion concentration was 0.007mol/L,and reaction time was 1 hour.In this experiment,detecting antibacterial property of products via antibacterial experiment (Escherichia coli was used as a strain,and detected by a coating plate method).The product was characterized by SEM,EDS,BET,XRD,ICP and particle size analysis.The results shown that the structure of Zn-Yb was fluffy,the particle size of the material was small,the specific surface area was large and it was amorphous after doped Yb.The addition of Zn and Yb ions did not change the structure of the carrier.The antibacterial experiment manifested this material was favourable antibacterial property about Escherichia coli.The antibacterial rate of the material after adding Yb increased form 71% to 94%.The Yb was a synergistic antibacterial agent in the material.

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