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Structural characterization of room-temperature synthesized nano-sized β-tricalcium phosphate

Paper ID Volume ID Publish Year Pages File Format Full-Text
12417 792 2004 7 PDF Available
Title
Structural characterization of room-temperature synthesized nano-sized β-tricalcium phosphate
Abstract

A simple route for synthesizing nano-sized β-tricalcium phosphate (β-TCP) at room temperature has been developed in methanol solvent. The phase evolution from CaHPO4, intermediate amorphous calcium phosphate (ACP) phases (including ACP1 and ACP2 with different structures) to final β-TCP with increasing aging time was observed. The formation of β-TCP phase is favored due to the incorporation of carbonate which can suppress the transformation of ACP1 phase. High-resolution transmission electron microscopy image along [1 –1 0 0] zone axis of β-TCP reveals two types of lattice fringes (straight and wavy fringes) in β-TCP structure due to structural imperfection. Furthermore, the observations of abnormal diffraction intensity and superlattice diffraction in selected-area diffraction patterns further confirm the chemical order–disorder characteristics in β-TCP structure and can be used to elucidate the resorbability of β-TCP in either in vivo or in vitro environment due to the imperfection in β-TCP crystal.

Keywords
β-tricalcium phosphate; Electron-energy loss near-edge structure; High-resolution transmission electron microscopy; Superlattice diffraction
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Structural characterization of room-temperature synthesized nano-sized β-tricalcium phosphate
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 25, Issue 16, July 2004, Pages 3155–3161
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
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Price was $35.95
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Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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