Synthesis and characterization of nanocrystalline hydroxyapatite from natural bovine bone
Nanocrystalline hydroxyapatite (HA) powder was synthesized from natural bovine bone by a vibro-milling method. The bovine bone had been deproteinized by hot water before it was calcined at 800 °C for 3 h. The resulting product was crushed into small pieces and milled in a ball mill pot for 24 h. Aft...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
2014
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| Online Access: | http://www.scopus.com/inward/record.url?eid=2-s2.0-38649114686&partnerID=40&md5=4e1e3b4e56d800d99a884f541534b442 http://cmuir.cmu.ac.th/handle/6653943832/5562 |
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| Institution: | Chiang Mai University |
| Language: | English |
| Summary: | Nanocrystalline hydroxyapatite (HA) powder was synthesized from natural bovine bone by a vibro-milling method. The bovine bone had been deproteinized by hot water before it was calcined at 800 °C for 3 h. The resulting product was crushed into small pieces and milled in a ball mill pot for 24 h. After that the powders were ground by the vibro-milling method with various milling times. Characteristics of the powders were then investigated by X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM) and energy dispersive X-ray analysis (EDS). Nanocrystalline HA powder with diameter less than 100 nm were revealed from the samples using vibro-milling time of 2 h, 4 h and 8 h. Ca/P molar ratio in the powder was 1.66 which is close to the theoretical value that found in the pure hydroxyapatite. © 2007 Elsevier B.V. All rights reserved. |
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