Hemocompatibility and Antioxidant Properties of Nano-Sized Barium Titanate in Cubic and Tetragonal System

IF 3.6 4区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR Journal of Cluster Science Pub Date : 2024-03-30 DOI:10.1007/s10876-024-02611-2

K. V. Ivanov, Yu. A. Filimonova, N. A. Sirotkin, A. V. Agafonov, S. B. Nazarov

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Abstract

The influence of cubic and tetragonal systems of nano-sized ceramic barium titanate powder on hemolytic activity, free radical processes and antioxidant activity was studied. The physicochemical properties of BaTiO₃ obtained by heat treatment in air at 800°C and 1200°C of the precursor synthesized by the sol-gel method were investigated. Based on X-ray phase analysis in conjunction with Raman spectra and heat capacity measurements, it was found that the crystal structure of BaTiO₃ calcined at 1200°C is a tetragonal crystal system, while that of BaTiO₃ calcined at 800°C is a cubic crystal system. The analysis of the scanning electron microscopy method in combination with the dynamic light scattering method showed a distribution of nanosized particles from 50 to 250 nm for BaTiO₃ at 800°C and from 100 nm to 240 nm at 1200°C. Depending on the processing temperature, the powders were found to have different pore sizes: at 800°C - micropores and at 1200°C - mesopores.

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立方和四方体系纳米级钛酸钡的血液相容性和抗氧化特性

研究了纳米级钛酸钡陶瓷粉末的立方和四方体系对溶血活性、自由基过程和抗氧化活性的影响。研究了通过溶胶-凝胶法合成的前驱体在 800°C 和 1200°C 的空气中进行热处理所获得的 BaTiO3 的物理化学性质。根据 X 射线相分析以及拉曼光谱和热容量测量，发现在 1200°C 煅烧的 BaTiO3 的晶体结构为四方晶系，而在 800°C 煅烧的 BaTiO3 的晶体结构为立方晶系。扫描电子显微镜法结合动态光散射法的分析表明，在 800°C 煅烧时，BaTiO3 的纳米颗粒分布在 50 至 250 nm 之间；在 1200°C 煅烧时，纳米颗粒分布在 100 nm 至 240 nm 之间。根据加工温度的不同，粉末的孔隙大小也不同：800°C 时为微孔，1200°C 时为中孔。

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来源期刊

Journal of Cluster Science 化学-无机化学与核化学

CiteScore

6.70

自引率

0.00%

发文量

166

审稿时长

3 months

期刊介绍： The journal publishes the following types of papers: (a) original and important research; (b) authoritative comprehensive reviews or short overviews of topics of current interest; (c) brief but urgent communications on new significant research; and (d) commentaries intended to foster the exchange of innovative or provocative ideas, and to encourage dialogue, amongst researchers working in different cluster disciplines.