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Calcium phosphate clusters

Paper ID Volume ID Publish Year Pages File Format Full-Text
13523 868 2001 9 PDF Available
Title
Calcium phosphate clusters
Abstract

The potential energy surfaces associated with [Ca3(PO4)2]n clusters are analyzed in detail using ab initio calculations for n ranging from one to four. Considering separated clusters, energy criteria favor the so-called Posner's cluster Ca9(PO4)6, which is the core of the actual structural model of amorphous calcium phosphate. This is rationalized through the existence of a distinct CaO bonding pattern in this cluster. Considering aggregated clusters as a possible model for amorphous calcium phosphate, the aggregation of Ca3(PO4)2 clusters appears as an alternative to Posner's hypothesis.

Keywords
Cluster; ab initio calculation; Calcium phosphate
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Calcium phosphate clusters
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 22, Issue 21, November 2001, Pages 2921–2929
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
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