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Green synthesis and characteristic of core-shell structure silver/starch nanoparticles

机译：核-壳结构银/淀粉纳米粒子的绿色合成及其特征

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摘要

An eco-friendly method was put forward to synthesize Ag nanoparticles (Ag NPs) by using biodegradable starch as a stabilizing agent. The silver ion from AgNO_3 was reduced by glucose in soluble starch solution. Morphological observation and characterization of Ag NPs were performed by using high-resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD) and UV-vis absorption spectroscopy. HRTEM showed that Ag NPs were covered by starch layer to form spherical core-shell Ag/starch NPs with diameter ranging from 5 to 20 nm. XRD pattern confirmed the presence of Ag NPs with face-centered cubic (fee) structure. All these results indicated that starch played an important role in stabilizing Ag NPs.
机译：提出了一种以生物可降解淀粉为稳定剂合成Ag纳米颗粒（Ag NPs）的环保方法。来自AgNO_3的银离子被可溶性淀粉溶液中的葡萄糖还原。 Ag NPs的形态观察和表征通过高分辨率透射电子显微镜（HRTEM），X射线衍射（XRD）和UV-vis吸收光谱进行。 HRTEM表明，Ag NPs被淀粉层覆盖，形成直径为5至20 nm的球形核壳型Ag /淀粉NPs。 XRD图谱证实存在具有面心立方（费）结构的Ag NP。所有这些结果表明淀粉在稳定Ag NP中起重要作用。

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  • 来源
    《Materials Letters》 |2011年第20期|p.2963-2965|共3页
  • 作者

    Xianghua Gao; Liqiao Wei; Hong Yan; Bingshe Xu;

  • 作者单位

    Key Laboratory of Interface Science and Engineering in Advanced Materials of Taiyuan, University of Technology, Ministry of Education, Taiyuan 030024, PR China,College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China;

    Key Laboratory of Interface Science and Engineering in Advanced Materials of Taiyuan, University of Technology, Ministry of Education, Taiyuan 030024, PR China,College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China;

    Key Laboratory of Interface Science and Engineering in Advanced Materials of Taiyuan, University of Technology, Ministry of Education, Taiyuan 030024, PR China,College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China;

    Key Laboratory of Interface Science and Engineering in Advanced Materials of Taiyuan, University of Technology, Ministry of Education, Taiyuan 030024, PR China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    nanoparticles; core-shell; polymer; silver; biomaterials;

    机译：纳米颗粒;核-壳;聚合物;银;生物材料;

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