Study on Europium Doped Hydroxyapatite Nanoparticles by Fourier Transform Infrared Spectroscopy and Their Antimicrobial Properties

Simona Liliana Iconaru 1, 2 Mikael Motelica-Heino 2 Daniel Predoi 1
1 University of Bucharest, Faculty of Physics
2 ISTO - Institut des Sciences de la Terre d'Orléans - UMR7327
Abstract : In this work, Fourier Transform Infrared spectroscopy (FT-IR) analysis were conducted on europium doped hydroxyapatite, Ca10-xEux(PO4)6(OH)2 nanocrystalline powders (Eu:HAp) with 0 ≤ xEu ≤ 0.2. Antimicrobial studies were also performed for the first time on Eu:Hap. The antimicrobial properties of Eu:HAp nanoparticles with 0 ≤ xEu ≤ 0.2 on Gram-negative (E coli ATCC 25922, Pseudomonas aeruginosa 1397) and Gram-positive (Staphylococcus aureus 0364, Enterococcus faecalis ATCC 29212) bacteria systems and a species of fungus (Candida albicans ATCC 10231) were reported. Our study demonstrates that the antimicrobial activity of Eu:HAp nanoparticles is dependent on the europium concentration.
Keywords : europium antimicrobial activity. antimicrobial activity nanocrystalline hydroxyapatite
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Simona Liliana Iconaru, Mikael Motelica-Heino, Daniel Predoi. Study on Europium Doped Hydroxyapatite Nanoparticles by Fourier Transform Infrared Spectroscopy and Their Antimicrobial Properties. Journal of Spectroscopy, 2013, Article ID 284285, 10 p. ⟨10.1155/2013/284285⟩. ⟨insu-00852201⟩

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