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Antimicrobiologic Property Hydrated Amorphous Calcium Phosphates Containing Silver

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Abstract:

The purpose of this study was to determine the microbiologic effect silver (Ag) when incorporated in amorphous calcium phosphate (ACP) prepared from solutions containing calcium, phosphate and pyrophosphate ions. The preparations were obtained from solutions with phosphate/pyrophosphate ratio, P/P2 = 7/3, and characterized as ACP using X-ray diffraction, infrared spectroscopy, nuclear magnetic resonance and differential thermal analysis. The microbes tested were cultures of E. Coli, St. aureus, Ps aerogunosa, C. diphteroides and C. albicans in media alone (control), with ACP without Ag and with ACP containing different Ag concentrations. Results demonstrated the following: (1) Ag in ACP inhibited the growth of microorganisms in all five cultures, with ACP containing 3-6% Ag giving the greatest antimicrobial effect; (2) sensitivity to the antimicrobial action of Ag differed among the bacteria.

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Periodical:

Key Engineering Materials (Volumes 284-286)

Pages:

439-444

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.284-286.439

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Online since:

April 2005

Authors:

O.J. Aimanova, Racquel Z. LeGeros, V.A. Sinyayev

Keywords:

Amorphous Calcium Phosphate (ACP), Antimicrobiologic Effect, Pyrophosphate, Silver

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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