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首页> 外文期刊>Journal of Pharmaceutical and Biomedical Analysis: An International Journal on All Drug-Related Topics in Pharmaceutical, Biomedical and Clinical Analysis >Solid-state NMR and IR characterization of commercial xenogeneic biomaterials used as bone substitutes.
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Solid-state NMR and IR characterization of commercial xenogeneic biomaterials used as bone substitutes.

机译：用作骨替代物的商业异种生物材料的固态NMR和IR表征。

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摘要

Three commercial xenogeneic biomaterials (Gen-Os, Apatos Spongiosa and Apatos Cortical; all from Tecnoss Dental, Torino, Italy) originated from porcine bone were characterized by various analytical methods, such as powder X-ray diffraction (XRD), thermogravimetry (TGA), high-resolution solid-state nuclear magnetic resonance (ssNMR) and infrared spectroscopy (FT-IR). The studies were focused on structural properties and chemical compositions of the samples. It was found that the main constituents of the analyzed biomaterials were nanocrystalline apatite mineral, organic collagenous matrix and water. For comparison, synthetic carbonated hydroxyapatite and natural collagen type I from bovine tendon were used. Differences in various physicochemical parameters such as crystal size, specific surface area, concentration of structural hydroxyl groups, contents of CO(3)(2-) and HPO(4)(2-) ions and their location were discussed. It was shown that various techniques of ssNMR and elaborate analysis of the FT-IR spectra, applied together, provide valuable information on xenogeneic biomaterials.
机译：三种源自猪骨的商业异种生物材料（Gen-Os，Apatos Spongiosa和Apatos Cortical;均来自意大利都灵的Tecnoss Dental）通过各种分析方法进行了表征，例如粉末X射线衍射（XRD），热重分析（TGA） ，高分辨率固态核磁共振（ssNMR）和红外光谱（FT-IR）。研究集中在样品的结构性质和化学组成上。发现所分析的生物材料的主要成分是纳米晶磷灰石矿物，有机胶原基质和水。为了进行比较，使用了来自牛腱的合成的碳酸羟基磷灰石和天然I型胶原。讨论了各种物理化学参数的差异，例如晶体大小，比表面积，结构羟基的浓度，CO（3）（2-）和HPO（4）（2-）离子的含量及其位置。结果表明，将ssNMR和FT-IR光谱进行详尽的分析的各种技术结合在一起，可提供有关异种生物材料的有价值的信息。

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