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Journal of Porous Materials

, Volume 25, Issue 6, pp 1797–1804 | Cite as

Preparation of effective Ag-loaded zeolite antibacterial materials by solid phase ionic exchange method

  • Sen Li
  • Qingtao Wang
  • Huaqin Yu
  • Tao Ben
  • Huijun Xu
  • Jianchun Zhang
  • Qingyang Du
Article
  • 94 Downloads

Abstract

Ag-loaded antibacterial zeolite materials were prepared by a solid phase ionic exchange approach with small NaA zeolite crystals synthesized by sol–gel method as carrier, NH4NO3 and AgNO3 as raw materials. The influence of AgNO3 amount, reaction temperature, and reaction time on silver load in the zeolite was investigated. The phase composition and morphology of the Ag-loaded zeolite were also characterized. In addition, the antibacterial activity, sustained-release performance, and anti-tarnish property of the Ag-loaded zeolite were studied. The results show that the Ag-loaded zeolite was synthesized under optimum conditions. The amount of silver load in the zeolite was up to 23.45% (mass ratio). The minimum inhibitory concentration value (MIC value) was 9.17 ppm, and the diameter of inhibition zone for Escherichia coli was 16.3 mm. The MIC value was 12.50 ppm, and the diameter of inhibition zone for Staphylococcus aureus was 14.5 mm. Furthermore, the Ag-loaded zeolite materials demonstrate good sustained-release performance and anti-tarnish property.

Keywords

Ag-loaded zeolite Solid phase ionic exchange method Antibacterial activity Sustained-release performance Anti-tarnish property 

Notes

Acknowledgements

The authors are grateful to the financial support of Quartermaster Equipment Research Institute of General Logistics Department.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Sen Li
    • 1
  • Qingtao Wang
    • 1
  • Huaqin Yu
    • 1
  • Tao Ben
    • 1
  • Huijun Xu
    • 2
  • Jianchun Zhang
    • 3
  • Qingyang Du
    • 1
  1. 1.School of Materials Science and EngineeringShandong University of TechnologyZiboChina
  2. 2.School of Chemistry and Chemical EngineeringShandong University of TechnologyZiboChina
  3. 3.General Logistics Department Quartermaster Equipment Research Chinese Peoples Liberation ArmyBeijingChina

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