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首页> 外文期刊>Journal of biomedical materials research. Part B, Applied biomaterials. >Structural analysis of fluorine-containing bioactive glass nanoparticles synthesized by sol-gel route assisted by ultrasound energy
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Structural analysis of fluorine-containing bioactive glass nanoparticles synthesized by sol-gel route assisted by ultrasound energy

机译：通过超声能量辅助溶胶 - 凝胶途径合成的含氟生物活性玻璃纳米颗粒的结构分析

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In the last decades, studies about the specific effects of bioactive glass on remineralization of dentin were the focus of attention, due to their excellent regenerative properties in mineralized tissues. The incorporation of Fluorine in bioactive glass nanoparticles may result in the formation of fluorapatite (FAP), which is chemically more stable than hydroxyapatite or carbonated hydroxyapatite, and therefore is of interest for dental applications. The aim of this study was to synthesize and characterize a new system of Fluorine-containing bioactive glass nanoparticles (BGNPF). A sol-gel route assisted by ultrasound was used for the synthesis of BGNPF. The particles obtained were characterized by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), atomic force microscopy (AFM), X-ray diffraction (XRD), dynamic light scattering (DLS), nitrogen adsorption, and X-ray photoelectron spectroscopy (XPS). SEM micrographs showed that the particles are quite uniform spherical nanostructures, occurring agglomeration or partial sinterization of the particulate system after heat treatment. XRD and XPS analysis results suggest the formation of fluorapatite crystals embedded within the matrix of the bioactive glass nanoparticles. (c) 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 360-366, 2018.
机译：在过去的几十年中，由于它们在矿化组织中优异的再生性能，有关生物活性玻璃对牙本质倒立的特异性效果的研究是关注的焦点。生物活性玻璃纳米颗粒中的氟掺入可能导致氟磷灰石（FAP）的形成，其比羟基磷灰石或碳酸羟基磷灰石更稳定，因此对牙科应用感兴趣。本研究的目的是合成和表征含氟生物活性玻璃纳米颗粒（BGNPF）的新系统。超声波辅助的溶胶 - 凝胶途径用于合成BGNPF。通过扫描电子显微镜（SEM），能量色散光谱（EDS），原子力显微镜（AFM），X射线衍射（XRD），动态光散射（DLS），氮吸附和X射线光电子光谱学（XPS）。 SEM显微照片显示，颗粒是相当均匀的球形纳米结构，在热处理后的颗粒体系的发生凝聚或部分烧结。 XRD和XPS分析结果表明嵌入在生物活性玻璃纳米粒子的基质内的荧光石晶体的形成。 （c）2017年Wiley期刊，Inc。J生物保解员B部分B：苹果生物检索物，106B：360-366,2018。

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