Antibacterial Application of Ag-Loaded Zn-Hybrid NaA Zeolite with High Ag Loading Amount

被引:1
|
作者
Du, Qingyang [1 ]
Xu, Huijun [2 ]
Yu, Huaqin [1 ]
Li, Sen [1 ]
Peng, Qian [1 ]
Chen, Long [1 ]
Sun, Wuzhu [1 ]
Li, Chengfeng [1 ]
机构
[1] Shandong Univ Technol, Sch Mat Sci & Engn, 266 Xincun West Rd, Zibo 255049, Shandong, Peoples R China
[2] Shandong Univ Technol, Sch Chem & Chem Engn, 266 Xincun West Rd, Zibo 255049, Shandong, Peoples R China
关键词
Zn-hybrid NaA zeolite; Ag-loaded zeolite; Single-mode microwave method; Antibacterial activity; Sustained-release performance; Anti-tarnish property; BACTERICIDAL ACTIVITY; ZINC;
D O I
10.1007/s12666-022-02781-5
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
Ag-loaded zeolite is a promising antibacterial material. However, the limited Ag loading limits the improvement of antibacterial performance. How to increase the Ag loading amount is an urgent issue. Herein, Ag-loaded Zn-hybrid NaA zeolite with high Ag loading of (43.26 +/- 0.48)% was prepared by using Zn-hybrid NaA zeolite as carrier via solid phase ionic exchange method. The carrier of Zn-hybrid NaA zeolite was prepared by a single-mode microwave method with sodium silicate, sodium metaaluminate, and zinc nitrate as raw materials. The physicochemical property was systematically characterized by XRD, XRF, XPS, FT-IR, and SEM. The results showed that Zn species entered the NaA zeolite framework in the Zn-hybrid NaA zeolite, instead of the simple ion exchange. In addition, the synthetic mechanism of Ag-loaded Zn-hybrid NaA zeolite was discussed in detail. The antibacterial activity, sustained-release performance, anti-tarnish property were investigated. What's more, the antibacterial mechanism was proposed based on the experimental result.
引用
收藏
页码:821 / 828
页数:8
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