Preparation and Biocompatibility of Nanoscaled La/Ag/HAP Powder

Abstract:

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The lanthanum-silver doped hydroxyapatite (La/Ag/HAP) powder was prepared by a coprecipitation way. Its microstructure, phase composition and thermostability were investigated by means of X-Ray diffraction, scanning electron microscopy, and Fourier Transform Infrared. The antibacterial properties against E.coli and S.Aureus were detected using a minimum inhibitory concentration method. The biocompatibility was confirmed by cell culture of osteoblasts of rat cranium. Results show that the investigated La/Ag/HAP powder exhibited the features of typical HAP phase in the experimental temperature, and its shape was needle-like with a diameter of 50~80 nm and a length of 300~500 nm. It is of a good biocompatibility and is more stable at high temperature, and is also a stronger antibacterial agent than pure HAP powders.

Info:

Periodical:

Advanced Materials Research (Volumes 308-310)

Edited by:

Jian Gao

Pages:

2173-2179

DOI:

10.4028/www.scientific.net/AMR.308-310.2173

Citation:

H. Yang et al., "Preparation and Biocompatibility of Nanoscaled La/Ag/HAP Powder", Advanced Materials Research, Vols. 308-310, pp. 2173-2179, 2011

Online since:

August 2011

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Price:

$35.00

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