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Journal of Nanoparticle Research

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01.10.2012 | Research Paper

Merit and demerit effects of silver nanoparticles in the bioperformance of an electrodeposited hydroxyapatite: nanosilver composite coating

verfasst von: D. Ionita, M. Dilea, I. Titorencu, I. Demetrescu

Erschienen in: Journal of Nanoparticle Research | Ausgabe 10/2012

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Abstract

For this research, TiAlZr specimens were covered with a hydroxyapatite–silver nanoparticles composite coatings (nAg-HA) prepared by pulse electrodeposition. The morphological texture of the nAg-HA nanoparticles on TiAlZr surface was investigated with scanning electron microscopy and energy dispersive X-ray spectroscopy. Electrochemical parameters from dynamic polarization tests performed in Ringer’s solution indicate better anticorrosive properties for the TiAlZr alloy after nAg-HA electrodeposition. Bacteriological experiments performed in vitro demonstrate the efficacy of TiAlZr implants coated with nAg-HA against the growth of Escherichia coli bacteria quantified in a 98 % inhibition of Escherichia coli growth. The biocompatibility tests regarding cell adherence, proliferation, and viability of coating (also by means of Reverse Transcription Polymerase Chain Reaction—RT-PCR) completed the characterization of the coating, enabling us to discuss the merit and demerit effects of Ag nanoparticles (nAg) effects on bioperformance. Based on experimental and literature data, the coating could be considered a passive–active structure.

Vorheriger Artikel Effect of surface charge on the cellular uptake of fluorescent magnetic nanoparticles

Nächster Artikel Silver, gold, and alloyed silver–gold nanoparticles: characterization and comparative cell-biologic action

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Titel: Merit and demerit effects of silver nanoparticles in the bioperformance of an electrodeposited hydroxyapatite: nanosilver composite coating
verfasst von: D. Ionita
M. Dilea
I. Titorencu
I. Demetrescu
Publikationsdatum: 01.10.2012
Verlag: Springer Netherlands
Erschienen in: Journal of Nanoparticle Research / Ausgabe 10/2012
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI: https://doi.org/10.1007/s11051-012-1152-6

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