羧甲基纤维素
热重分析
纤维素
层状结构
扫描电子显微镜
傅里叶变换红外光谱
材料科学
生物材料
化学工程
磷酸盐
自愈水凝胶
化学
核化学
高分子化学
复合材料
生物化学
有机化学
纳米技术
钠
工程类
标识
DOI:10.1177/0883911515627472
摘要
Collagen–carboxymethyl cellulose–tricalcium phosphate cryogels were prepared for diverse biomedical applications. Further chemical and structural characterizations were performed by Fourier transform infrared spectra, thermogravimetric analysis, X-ray crystallography, and scanning electron microscopy. The mechanical properties were tested by unconfined compression test. Moreover, hemocompatibility of the cryogels was also evaluated by basic biochemical blood testing. Chemical and structural analysis results demonstrate the achievement of the cross-linking without any major alteration in collagen and carboxymethyl cellulose with a thermally and structurally stable blend formation. Scanning electron micrographs demonstrate the multi-lamellar formation with macro- and micro-pore compositions which can correlate with water uptake results of the cryogels. Hemocompatibility evaluations exhibited that the cryogels are non-toxic and blood-compatible. The overall results including mechanical testing of these tricalcium phosphate–consisting collagen/carboxymethyl cellulose cryogels may have potential use as a material for hard tissue regeneration.
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