番石榴废提取物生物合成纳米银的研究

N. Zamanhuri, R. Alrozi, Mohamed Syazwan Osman
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引用次数: 2

摘要

利用一种新型、无毒、环保的生物材料——粉红番石榴废提取物(PGWE)合成了仿生纳米银。将粉红番石榴废提取物作为还原剂,在还原过程中还原硝酸银的盐水溶液。此外,在经济上,与其他方法相比,该工艺还将降低生产金属纳米颗粒的成本。采用煮沸、分离、过滤法还原硝酸银。通过改变提取比例、粉红番石榴废提取物含量和老化时间等条件,制备出银纳米颗粒。采用紫外可见光谱(UV-vis)、傅里叶变换红外光谱(FTIR)和透射电子显微镜(TEM)对纳米颗粒进行了表征。无色反应混合物变成棕色,并显示出纳米银的紫外可见光谱特征。傅里叶变换红外光谱(FTIR)显示了不同官能团(羧基、胺基和羟基)在合成过程中的作用。处理72 h后,得到的银纳米颗粒在23-105 nm范围内。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Biosynthesis of silver nanoparticles using pink guava waste extract (PGWE)
Bio-inspired silver nanoparticles were synthesized with the aid of a novel, non-toxic, eco-friendly biological material namely, pink guava waste extract (PGWE). The pink guava waste extract will act as the reducing agent in reduction process in order to reduce the aqueous salt solutions of the silver nitrate. Moreover, economically, this process will also lower the cost of producing metal nanoparticles compared to other methods. Boiled, separated, filtrated process was used for reducing silver nitrate. Silver nanoparticles were formed when the reaction conditions were altered with respect to ratio of extraction, pink guava waste extract content and aging time. The nanoparticles were characterized by UV-vis spectroscopy, Fourier Transform Infrared (FTIR) Spectroscopy and Transmission Electron Microscope (TEM). The colorless reaction mixtures turned brown and displayed UV - visible spectra characteristic of silver nanoparticles. Fourier transform infrared spectroscopy (FTIR) indicated the role of different functional groups (carboxyl, amine and hydroxyl) in the synthetic process. After 72 h of treatment, silver nanoparticles obtained were in the range of 23-105 nm as obtained from TEM.
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