利用海洋藻类马尾藻提取物合成氧化铈纳米颗粒:抗氧化应用的意义

H. Rosi, Ramachandram Ethrajavalli, Mohammed Iqbal Janci
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引用次数: 2

摘要

纳米氧化铈由于其独特的性能,近年来受到了广泛的关注。因此,细菌、真菌和藻类通过使用细胞内和细胞外微生物或酶细胞、蛋白质和其他生物分子化合物来开发CeO2 NPs。本文以生物提取物马尾藻为原料,合成了氧化铈纳米颗粒。藻类生物源金属氧化物合成纳米颗粒是一种安全、经济的过程,因为形成紧凑、小的纳米颗粒。采用紫外可见分光光度计、XRD、FTIR和SEM等先进仪器对制备的CeO2纳米粒子进行了表征。研究了氧化铈颗粒的抗氧化性能,并用体外体系检测了氧化铈颗粒的抗氧化能力。采用改进的DPPH工艺对不溶性固体进行了抗氧化强度试验。DPPH喷雾量随粒径的减小而增大。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Synthesis Of Cerium Oxide Nanoparticles Using Marine Algae Sargassum Wightii Greville Extract: Implications For Antioxidant Applications
Owing to their peculiar properties nanoparticles of cerium oxide have gained tremendous attention in recent years. As such, bacteria, fungus and algae are used for the development of CeO2 NPs through the use of both intracellular and extracellular microbial or enzyme cells, proteins and other biomolecule compounds. In this paper we use Sargassum wightii Greville, a biological extract, to synthesize cerium oxide (CeO2) nanoparticles. Algal-biogenic metal oxide synthesis nanoparticles is a safe and economical procedure due to the formation of compact, small nanoparticles. A number of advanced devices, such as UV-visible spectrophotometers, XRD, FTIR and SEM spectroscopy have been identified for prepared CeO2 NPs. Cerium oxide particles were studied for the antioxidant properties and their antioxidant potency was examined using an in vitro system. The antioxidant strength tests for insoluble solids were conducted using an modified DPPH process. DPPH spray increases with particle size decrease.
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