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Energy dispersive X-ray diffraction study of phase development during hardening of calcium phosphate bone cements with addition of chitosan

Paper ID Volume ID Publish Year Pages File Format Full-Text
2122 100 2008 6 PDF Available
Title
Energy dispersive X-ray diffraction study of phase development during hardening of calcium phosphate bone cements with addition of chitosan
Abstract

The aim of this work was to study the phase transformation during the setting reaction of two calcium phosphate bone cements based on either alpha tricalcium phosphate (α-TCP) or tetracalcium phosphate (TetCP) initial solid phase, and a magnesium carbonate–phosphoric acid solution as the hardening liquid. Low molecular weight (38.2 kDa) chitosan was used to retard the cement’s setting reaction. To follow the kinetics of the phase development, an energy dispersive X-ray diffraction technique was applied. This technique allowed the collection of diffraction patterns from the cement pastes in situ starting from 1 min of the setting process. In the case of the TetCP-based cement, the appearance and evolution of an intermediate phase was detected.

Keywords
Calcium phosphate bone cements; Chitosan; Phase transformations; X-ray diffraction
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Energy dispersive X-ray diffraction study of phase development during hardening of calcium phosphate bone cements with addition of chitosan
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Publisher
Database: Elsevier - ScienceDirect
Journal: Acta Biomaterialia - Volume 4, Issue 4, July 2008, Pages 1089–1094
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