用溶胶-凝胶法研究柠檬酸催化剂辅助过氧化氢生物活性玻璃的体外生物活性和生物降解性。

IF 3 Q3 MATERIALS SCIENCE, BIOMATERIALS
International Journal of Biomaterials Pub Date : 2023-10-27 eCollection Date: 2023-01-01 DOI:10.1155/2023/9911205
Tsion Chuni Aklilu, Bethelhem Gashaw Ewnete, Kena Dachasa, Kanate Sanbaba, Demeke Tesfaye, Tadele Hunde Wondimu, Jung Yong Kim, Ketema Tafess Tulu, Shimelis Lemma, Balisa Mosisa Ejeta, Fetene Fufa Bakare
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引用次数: 0

摘要

在本研究中,使用无碳且完全可溶的过氧化氢(H2O2)代替传统的表面活性剂作为成孔剂。柠檬酸也以低浓度用于水解反应。使用溶胶-凝胶法制备H2O2未处理的BG、1M、2M和3M H2O2处理的BG的生物活性玻璃(BG)样品。采用X射线衍射(XRD)、扫描电子显微镜(SEM)、傅立叶变换红外光谱(FTIR)、能量色散光谱(EDS)和Brunauer-Emmett-Teller(BET)法对样品的相、表面形貌、化学组成、成分组成、孔径和比表面积进行了分析。通过将样品浸入模拟体液(SBF)溶液中,对样品进行体外生物活性和生物降解性测试。结果表明,用2M H2O2处理的BG颗粒表现出更高的比表面积(SSA),为189.55 cc/g,具有较好的体外生物活性和生物降解性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Citric Acid Catalyst-Assisted Bioactive Glass with Hydrogen Peroxide for <i>In Vitro</i> Bioactivity and Biodegradability Using Sol-Gel Method.

Citric Acid Catalyst-Assisted Bioactive Glass with Hydrogen Peroxide for <i>In Vitro</i> Bioactivity and Biodegradability Using Sol-Gel Method.

Citric Acid Catalyst-Assisted Bioactive Glass with Hydrogen Peroxide for <i>In Vitro</i> Bioactivity and Biodegradability Using Sol-Gel Method.

Citric Acid Catalyst-Assisted Bioactive Glass with Hydrogen Peroxide for In Vitro Bioactivity and Biodegradability Using Sol-Gel Method.

In this study, carbon-free and completely soluble hydrogen peroxide (H2O2) was utilized in place of conventional surfactants as a pore-forming agent. Citric acid was also used in low concentration for the hydrolysis reaction. A sol-gel method was used to prepare bioactive glass (BG) specimens of H2O2-untreated BG, 1M, 2M, and 3M H2O2-treated BGs. X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR), energy-dispersive spectroscopy (EDS), and nitrogen adsorption/desorption isotherm with the Brunauer-Emmett-Teller (BET) method were used for analyzing the samples' phase, surface morphology, chemical composition, constituent composition, pore size, and specific surface area respectively. In vitro bioactivity, as well as biodegradability tests, was performed on samples by immersing them in simulated body fluid (SBF) solution. According to the results, BG particles treated with 2 M H2O2 exhibited higher specific surface area (SSA), which is 189.55 cc/g, and better in vitro bioactivity and biodegradability.

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来源期刊
International Journal of Biomaterials
International Journal of Biomaterials MATERIALS SCIENCE, BIOMATERIALS-
CiteScore
4.30
自引率
3.20%
发文量
50
审稿时长
21 weeks
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