期刊
JOURNAL OF ASIAN CERAMIC SOCIETIES
卷 2, 期 1, 页码 52-56出版社
TAYLOR & FRANCIS LTD
DOI: 10.1016/j.jascer.2014.01.004
关键词
Morphology; Crystal growth; Brushite; Calcium phosphate
资金
- Japan Society for the Promotion of Science (JSPS)
- Grants-in-Aid for Scientific Research [23310058] Funding Source: KAKEN
Dicalcium phosphate dihydrate (DCPD, CaHPO4.2H(2)O), also known as brushite, is one of the important bioceramics due to not only diseases factors such as kidney stone and plaque formation but also purpose as fluoride insolubilization material. It is used medicinally to supply calcium, and is of interest for its unique properties in biological and pathological mineralization. It is important to control the crystal morphology of brushite since its chemical reactivity depends strongly on its surface properties; thus, its morphology is a key issue for its applications as a functional material or precursor for other bioceramics. Here, we report the effects of the initial pH and the Ca and phosphate ion concentrations on the morphology of DCPD particles during aqueous solution synthesis. Crystal morphologies were analyzed by scanning electron microscopy and X-ray diffraction. The morphology phase diagram of DCPD crystallization revealed that increasing the initial pH and/or ion concentration transformed DCPD morphology from petal-like into plate-like structures. (C) 2014 The Ceramic Society of Japan and the Korean Ceramic Society. Production and hosting by Elsevier B.V. All rights reserved.
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