JOM

, Volume 62, Issue 7, pp 65–70 | Cite as

Antimicrobial properties of silver-doped hydroxyapatite nano-powders and thin films

  • Michael Sygnatowicz
  • Kunttal Keyshar
  • Ashutosh Tiwari
Biological and Biomedical Materials / Research Summary

Abstract

Silver-doped hydroxyapatite nanopowders were prepared using a solution based sol-gel method and thoroughly characterized using x-ray diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive spectroscopy (EDS). Antibacterial tests showed silver-doped HAP powders prevented the growth and reproduction of bacteria. Silver-doped HAP powders were pressed into pellets and on these pellets a pulsed laser deposition (PLD) technique was employed to grow amorphous and crystalline thin films on sapphire substrates. Crystalline films had silver nano-particles present within the HAP matrix. Film stability tests showed crystalline films to be far more stable in prolonged solution submersion than their amorphous counterparts.

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Copyright information

© TMS 2010

Authors and Affiliations

  • Michael Sygnatowicz
    • 1
  • Kunttal Keyshar
    • 1
  • Ashutosh Tiwari
    • 1
  1. 1.Nanostructured Materials Research Laboratory, Department of Materials Science & EngineeringUniversity of UtahSalt Lake CityUSA

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