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首页> 外文期刊>Journal of biomedical materials research. Part B, Applied biomaterials. >A synthesis route to naoopartiole dicalcium silicate for biomaterials research
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A synthesis route to naoopartiole dicalcium silicate for biomaterials research

机译：用于生物材料研究的硅酸二钠硅酸钙的合成途径

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摘要

Dicalcium silicate (Ca_2SiO_4) has been reported as an interesting candidate for biomaterials use due to its attractive bioactive properties. Here, we report on how dicalcium silicate was prepared by a sol-gel route using calcium nitrate tetrahydrate and tetraorthosilicate as the precursors chemicals for CaO and SiO_2, respectively. The synthesized powders were characterized using thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), Bruna-uer-Emmett-Teller (BET) method, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). High purity diealcium silicate at a CaO/SiO_2 molar ratio of 2:1 could be formed by the sol-gel method without a washing process and was then calcined at 800degC. The effects of the molar ratio of CaO/SiO_2, the washing process, and the calcination temperature have been shown to affect the purity, the formation, and the particle size of the nanoparticles, which have been investigated and discussed.
机译：硅酸二钙（Ca_2SiO_4）因其具有吸引力的生物活性而被报道为生物材料的一种有趣的候选物。在这里，我们报道了如何使用四水硝酸钙和四原硅酸钙分别作为CaO和SiO_2的前体化学品，通过溶胶-凝胶法制备硅酸二钙。使用热重分析（TGA），差示扫描量热法（DSC），傅立叶变换红外（FTIR）光谱，X射线衍射（XRD），Bruna-uer-Emmett-Teller（BET）方法，扫描电子显微镜对合成粉末进行表征（SEM）和透射电子显微镜（TEM）。 CaO / SiO_2摩尔比为2：1的高纯度硅酸二钙可以通过溶胶-凝胶法形成，而无需洗涤过程，然后在800℃下煅烧。研究表明，CaO / SiO_2的摩尔比，洗涤过程和煅烧温度对纳米颗粒的纯度，形成和粒径都有影响。

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