4.7 Article

In vitro corrosion and antibacterial performance of polysiloxane and poly(acrylic acid)/gentamicin sulfate composite coatings on AZ31 alloy

期刊

SURFACE & COATINGS TECHNOLOGY
卷 291, 期 -, 页码 7-14

出版社

ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2016.02.016

关键词

Magnesium alloy; Corrosion resistance; Antibacterial performance; Polyelectrolyte; Polysiloxane; Gentamicin

资金

  1. National Natural Science Foundation of China [51571134]
  2. Scientific Research Foundation of Shandong for Outstanding Young Scientist [BS2013CL009, 2013RCJJ006]
  3. Shandong University of Science and Technology (SDUST) for Recruited Talents, SDUST Research Fund [2014TDJH104]
  4. Science and Technology Innovation Fund of SDUST for graduate students [YC140216]
  5. Joint Innovative Center for Safe and Effective Mining Technology and Equipment of Coal Resources, and Shandong Province

向作者/读者索取更多资源

An investigation on the corrosion resistance and antibacterial properties of polyelectrolytes and polysiloxane coatings on magnesium alloy with gentamicin was made. The microstructure and composition of the multilayer coatings were characterized by using Fourier transform infrared spectroscopy, X-ray diffractometer and scanning electron microscopy. The analysis of electrochemical measurement in HBSS suggested that the composite coatings improved the corrosion resistance of AZ31 alloy. Finally, the result of plate-counting method demonstrates the effective antibacterial properties of the functionalized substrates. Thus, it can be concluded that the multilayer-treatment reported here is a versatile approach to develop antibacterial and anticorrosion coatings on magnesium implants. (C) 2016 Elsevier B.V. All rights reserved.

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