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Study of laser created ZRO2 and hydroxyapatite/ZrO2 films for implantology

Paper ID Volume ID Publish Year Pages File Format Full-Text
14068 1072 2007 4 PDF Available
Title
Study of laser created ZRO2 and hydroxyapatite/ZrO2 films for implantology
Abstract

Thin films of ZrO2 and hydroxyapatite/ZrO2 were created by excimer laser ablation on Ti6Al4V substrates. ZrO2 layers were fabricated in vacuum by KrF laser at various substrate temperatures and hydroxyapatite (HA) layers were fabricated in water vapor ambient by ArF laser and in water vapor/argon ambient by KrF excimer laser. Film properties were evaluated by XRD, SEM and WDX methods. The test of mechanical adhesion was proceeded on ZrO2 films. XRD analysis proved the presence of amorphous or crystalline HA in the deposited films. SEM method demonstrated smooth surface covered by droplets for both HA and ZrO2 films. Ca/P ratio of the HA films is higher than that of the natural HA and is within the range of 2.8–3.0. The HA/ZrO2 and ZrO2 samples were tested in vitro for cytotoxicity. The best results were received by the HA/ZrO2 samples in the test of cytotoxicity. Fibroblasts cultivating with HA/ZrO2 samples exhibited subconfluent and confluent growth and showed fibronectin homogenously.

Keywords
Hydroxyapatite; Pulsed laser deposition; X-ray diffraction analysis
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Study of laser created ZRO2 and hydroxyapatite/ZrO2 films for implantology
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomolecular Engineering - Volume 24, Issue 1, February 2007, Pages 103–106
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us