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首页> 外文期刊>RSC Advances >Antibacterial properties and cytocompatibility of bio-based nanostructured carbon aerogels derived from silver nanoparticles deposited onto bacterial cellulose
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Antibacterial properties and cytocompatibility of bio-based nanostructured carbon aerogels derived from silver nanoparticles deposited onto bacterial cellulose

机译：生物基纳米颗粒碳气凝结碳纳米粒子沉积在细菌纤维素上的抗菌性质和细胞粘接性

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摘要

An AgNP (silver nanoparticle)-deposited bio-based nanostructured carbon aerogel (denoted as p-BC/AgNP) with a three-dimensional (3D) porous network structure was fabricated by carbonizing AgNP bacterial cellulose (denoted as BC/AgNP). The unique 3D nano-network structure gave the hydrophobic p-BC/AgNP good mechanical properties and water reabsorption capacity. AgNPs uniformly dispersed onto the fibers, combining more firmly with fibers after the carbonization process, and no rapid release of Ag+ occurred in an in vitro release test. As an antibacterial material, p-BC/AgNP has an excellent antibacterial effect on Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus), for which the inhibition rate was over 99%. Moreover, p-BC/AgNP was good for cell attachment and normal proliferation, which was revealed by fluorescence microscopy, field-emission scanning electron microscopy and an MTT assay in Bel-7402 cells. Because of all the above, p-BC/AgNP might be a desirable antibacterial material that could be used as a new kind of wound dressing, implant, and drug release carrier, and in other biomedical fields.
机译：通过碳化AgNP细菌纤维素（表示为BC / AgNP），制造具有三维（3D）多孔网络结构的AgNP（银纳米粒子）的基于生物基纳米结构碳气凝胶（表示为P-BC / AGNP）（表示为BC / AgNP）。独特的3D纳米网络结构具有疏水性P-BC / AGNP良好的机械性能和水再吸收能力。 AgNP均匀地分散在纤维上，在碳化过程后与纤维更牢固地结合，并且在体外释放试验中没有发生Ag +的快速释放。作为抗菌材料，P-BC / AgNP对大肠杆菌（大肠杆菌）和金黄色葡萄球菌（S.UUREUS）具有优异的抗菌作用，抑制率超过99％。此外，P-BC / AGNP对于细胞附着和正常增殖是良好的，其通过荧光显微镜，现场 - 发射扫描电子显微镜和Bel-7402细胞中的MTT测定揭示。由于以上所有，P-BC / AGNP可能是一种理想的抗菌材料，可用作新种类的伤口敷料，植入物和药物释放载体，以及其他生物医学领域。

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  • 来源
    《RSC Advances》 |2015年第118期|共10页
  • 作者

    Yan Ning; Zhou Yabin; Zheng Yudong; Qiao Shuang; Yu Qun; Lia Zhongzheng; Lua Haiyang;

  • 作者单位

    Univ Sci &

    Technol Beijing Sch Mat Sci &

    Engn Beijing 100083 Peoples R China;

    Univ Sci &

    Technol Beijing Sch Chem &

    Biol Engn Beijing 100083 Peoples R China;

    Univ Sci &

    Technol Beijing Sch Mat Sci &

    Engn Beijing 100083 Peoples R China;

    Univ Sci &

    Technol Beijing Sch Mat Sci &

    Engn Beijing 100083 Peoples R China;

    Univ Sci &

    Technol Beijing Sch Mat Sci &

    Engn Beijing 100083 Peoples R China;

    Univ Sci &

    Technol Beijing Sch Mat Sci &

    Engn Beijing 100083 Peoples R China;

    Univ Sci &

    Technol Beijing Sch Mat Sci &

    Engn Beijing 100083 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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