Study on X-ray diffraction, infra-red spectroscopy, and microstructure of CoHA-Gelatin-PVA biocomposite

2011 2nd International Conference on Instrumentation, Communications, Information Technology, and Biomedical Engineering Pub Date : 2011-12-22 DOI:10.1109/ICICI-BME.2011.6108618

Adhi Anindyajati, A. Tontowi, P. Dewo

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引用次数: 1

Abstract

The aim of this study was characterization of Biocomposite CoHA-Gelatin-PVA. CoHA (Calcite Omya Hydroxyapatite was obtained from local material by synthesizing local calcite, while gelatin and PVA was commercial from Merck. The composite was prepared by blending powder of CoHA, gelatin, and PVA with weight ratios of 1∶1∶0.15. This blended powder composite was then mixed with distilled water with various solid loading of 5, 15, and 25% w/v. Next, it was cooled at freezer prior freeze drying to build a porous block composite. Characterization was carried out by XRD, FTIR, and SEM. The results showed that the composite block has micropore size <10 and macropore up to 300 µm. Results showed that the HA-gelatin-PVA can be synthesized into porous biocomposites, which has the potential for bone graft. The biocomposite has low cristallyne structure and there is a complex network structure of HA-gelatin-PVA. Biocomposites have a macropore up to 300 µm and micropore up to <10 µm.

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coha -明胶- pva生物复合材料的x射线衍射、红外光谱及微观结构研究

本研究的目的是表征coha -明胶- pva生物复合材料。CoHA (Calcite Omya Hydroxyapatite)由当地原料合成，明胶和聚乙烯醇(PVA)由默克公司生产。将CoHA粉、明胶粉、PVA粉以1∶1∶0.15的质量比共混制备复合材料。然后将混合的粉末复合材料与不同固体负荷(5、15和25% w/v)的蒸馏水混合。然后，在冷冻干燥之前将其冷却在冷冻室中，以构建多孔块复合材料。采用XRD、FTIR、SEM对其进行了表征。结果表明，复合块体的微孔尺寸为<10，大孔尺寸为300µm。结果表明，ha -明胶-聚乙烯醇可合成多孔生物复合材料，具有骨移植的潜力。该生物复合材料具有低结晶结构，具有ha -明胶- pva复杂的网状结构。生物复合材料具有高达300微米的大孔和高达<10微米的微孔。

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2011 2nd International Conference on Instrumentation, Communications, Information Technology, and Biomedical Engineering

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