Extraction and characterisation of apatite- and tricalcium phosphate-based materials from cod fish bones
Extraction and characterisation of apatite- and tricalcium phosphate-based materials from cod fish bones
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DOI：
10.1016/j.msec.2012.08.014
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发表时间：
2013-01-01
影响因子：
7.9
通讯作者：
Castro, P. M. L.
中科院分区：
文献类型：
--
作者：
Piccirillo, C.;Silva, M. F.;Castro, P. M. L.
磷灰石和磷酸三钙基材料是从鳕鱼骨中生产的，从而将食品工业的废弃副产品转化为高附加值的化合物。骨头在900至1200摄氏度之间的温度下退火，得到羟基磷灰石和磷酸三钙（Ca-10（PO 4）（6）（OH）（2）和β-Ca（PO 4）（3））的双相材料，摩尔比为75：25，这是一种广泛用于生物医学植入物的材料。在退火之前，在溶液中对骨头进行处理改变了材料的组成。单相羟基磷灰石。氯磷灰石（Ca-10（PO 4）（6）Cl-2）和氟磷灰石（Ca-10（PO 4）（6）F-2）分别用CaCl 2和NaF溶液获得。通过几种技术（X射线衍射、红外光谱、扫描电子显微镜和差热/热重分析）和元素分析对样品进行了分析，以便更全面地了解转化过程。对于这些天然来源的材料，以前从未进行过这样的组成修改，以调整元素的相对浓度。本文显示了巨大的潜力，这种副产品转化为高价值的化合物，用于生物医学应用，使用一个简单而有效的valorisation过程。(c)2012爱思唯尔有限公司版权所有。
Apatite- and tricalcium phosphate-based materials were produced from codfish bones, thus converting a waste by-product from the food industry into high added-valued compounds. The bones were annealed at temperatures between 900 and 1200 degrees C, giving a biphasic material of hydroxyapatite and tricalcium phosphate (Ca-10(PO4)(6)(OH)(2) and beta-Ca(PO4)(3)) with a molar proportion of 75:25, a material widely used in biomedical implants. The treatment of the bones in solution prior to their annealing changed the composition of the material. Single phase hydroxyapatite. chlorapatite (Ca-10(PO4)(6)Cl-2) and fluorapatite (Ca-10(PO4)(6)F-2) were obtained using CaCl2 and NaF solutions, respectively. The samples were analysed by several techniques (X-ray diffraction, infrared spectroscopy, scanning electron microscopy and differential thermal/thermogravimetric analysis) and by elemental analyses, to have a more complete understanding of the conversion process. Such compositional modifications have never been performed before for these materials of natural origin to tailor the relative concentrations of elements. This paper shows the great potential for the conversion of this by-product into highly valuable compounds for biomedical applications, using a simple and effective valorisation process. (c) 2012 Elsevier B.V. All rights reserved.