Preparation and properties of Maifanshi inorganic antibacterial agent

JI Fengqiu; REN Shuxia; WANG Jianlei

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Preparation and properties of Maifanshi inorganic antibacterial agent

更新时间：2025-12-10

- Preparation and properties of Maifanshi inorganic antibacterial agent
- CIESC Journal Issue S1, Pages: 127-130(2009)
- 作者机构：
  
  石家庄铁道学院材料科学与工程学院
- 作者简介：
- 基金信息：
- DOI：
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- Online First：30 December 2009，
  
  Published：30 December 2009
- 稿件说明：
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JI Fengqiu, REN Shuxia, WANG Jianlei. Preparation and properties of Maifanshi inorganic antibacterial agent[J]. CIESC Journal, 2009, (S1): 127-130.
DOI：

JI Fengqiu, REN Shuxia, WANG Jianlei. Preparation and properties of Maifanshi inorganic antibacterial agent[J]. CIESC Journal, 2009, (S1): 127-130. DOI：

摘要

以麦饭石为载体、Ag+和Zn2+为抗菌离子，通过液相离子交换反应，制备载银锌的麦饭石无机抗菌剂。采用抑菌率对所得产物的抗菌性进行检测，采用XRD、SEM对产物的结构与形貌进行表征，并采用缓释法对产物的耐久性进行研究。实验结果表明：在反应时间为4 h，反应温度为60℃，Ag+和Zn2+浓度分别为0.1、2 mol·L-1，pH值为8的条件下，制备的麦饭石抗菌剂具有优异抗菌性和耐久性。抗菌机理初步分析为通过离子交换或吸附进入麦饭石结构内的Ag+和Zn2+能从载体中持久缓慢地释放出来，与细菌细胞作用，杀灭细菌，从而保持该抗菌剂良好的抗菌能力。

Abstract

The inorganic antibacterial agents were prepared with Maifanshi containing Ag+ and Zn2+ by liquid ion exchanging reaction in this paper.The antibacterial activities of the as-prepared Maifanshi antibacterial agents were examined by Bacteriastasis ratio

and the microstructures of it were characterized by XRD and SEM

and the durability of it were studied by Sustained-release method.The results show that the excellent antibacterial activities and long durability of Maifanshi antibacterial agents have been obtained by the reaction of 0.1 mol·L-1 Ag+ and 2 mol·L-1 Zn2+ with Medical stone powers in the solution of pH 8 for 4 h at 60℃.The reasons for causing the above results are that silver and zinc ions entering the framework of Maifanshi through ion exchanging and adsorption can be released slowly to kill bacteria.

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