首页> 外文期刊>Nanotechnology >The extraction of gold nanoparticles from oat and wheat biomasses using sodium citrate and cetyltrimethylammonium bromide, studied by x-ray absorption spectroscopy, high-resolution transmission electron microscopy, and UV—visible spectroscopy
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The extraction of gold nanoparticles from oat and wheat biomasses using sodium citrate and cetyltrimethylammonium bromide, studied by x-ray absorption spectroscopy, high-resolution transmission electron microscopy, and UV—visible spectroscopy

机译:X射线吸收光谱法,高分辨率透射电子显微镜和紫外可见光谱法研究了使用柠檬酸钠和十六烷基三甲基溴化铵从燕麦和小麦生物质中提取金纳米颗粒

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摘要

Gold (Au) nanoparticles can be produced through the interaction of Au(1II) ions with oat and wheat biomasses. This paper describes a procedure to recover gold nanoparticles from oat and wheat biomasses using cetyltrimethylammonium bromide or sodium citrate. Extracts were analyzed using UV—visible spectroscopy, high-resolution transmission electron microscopy (HRTEM), and x-ray absorption spectroscopy. The HRTEM data demonstrated that smaller nanoparticles are extracted first, followed by larger nanoparticles. In the fourth extraction, coating of chelating agents is visible on the extracted nanoparticles.
机译:金(Au)纳米粒子可以通过Au(1II)离子与燕麦和小麦生物量的相互作用而产生。本文介绍了使用十六烷基三甲基溴化铵或柠檬酸钠从燕麦和小麦生物量中回收金纳米颗粒的方法。使用紫外可见光谱,高分辨率透射电子显微镜(HRTEM)和X射线吸收光谱对提取物进行分析。 HRTEM数据表明,先提取出较小的纳米颗粒,然后再提取较大的纳米颗粒。在第四次萃取中,在萃取的纳米颗粒上可见螯合剂的涂层。

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