4.7 Article

Structure and synergetic antibacterial effect of zinc and cerium carried sodium zirconium phosphates

Journal

JOURNAL OF RARE EARTHS
Volume 29, Issue 4, Pages 308-312

Publisher

ELSEVIER
DOI: 10.1016/S1002-0721(10)60449-8

Keywords

zinc ion; cerium ion; sodium zirconium phosphates; structure; synergetic antibacterial effect; rare earths

Funding

  1. National Natural Science Foundation of China [20871058, 20971028, 21006038]
  2. Natural Science Key Fundation of Guangdong Province of China [10251007002000000]
  3. Foundation of Enterprise-University-Research Institute Cooperation of Guangdong Province
  4. Ministry of Education of China [2008A010500005]
  5. Foundation of Enterprise-University-Research Institute Cooperation from Guangdong Province
  6. Chinese Academy of Sciences [2010B090301036]
  7. Fundamental Research Funds for the Central Universities
  8. Undergraduate Scientific and Technological Innovation Project for Jinan University [cx10075, cx10076]

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Zinc and cerium carried zirconium phosphates (Zn-Ce/ZrPs) were prepared by exchanging zinc and cerium cations into sodium zirconium phosphate (NaZrP) through the ion-exchange method and characterized by X-ray diffraction(XRD), energy dispersive X-ray spectroscopy (EDX) and scanning electron microscopy (SEM). Furthermore, the specific surface area, zeta potential and antibacterial activity were tested. The results showed that Zn-Ce/ZrPs were with hexagonal crystal system, and the surface area of Zn-Ce/ZrPs increased much more than that of NaZrP. Zn-Ce/ZrPs showed obvious synergetic antibacterial effect, and have the potential to be used as antibacterial agents in environmental control.

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