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首页> 外文期刊>Materials Letters >3D reduced graphene oxide hybrid nano-copper scaffolds with a high antibacterial performance
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3D reduced graphene oxide hybrid nano-copper scaffolds with a high antibacterial performance

机译：具有高抗菌性能的3D还原氧化石墨烯杂化纳米铜支架

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摘要

Three-dimensional (3D) grapheneano-copper scaffolds (rGCSs) was fabricated using a one-step chemical deposition on 3D reduced graphene oxide architecture (rGOA). The nano-copper was conformably grown on the rGOA substrate with a uniform morphology. Due to combined effects between the graphene skeleton and the nano-copper, the rGCSs demonstrated excellent antibacterial properties in the colony counting experiments. In addition, an rGCSs device was designed to further investigate the antibacterial performance for sewage management. The antibacterial killing rate was up to 100% for Escherichia coli and Staphylococcus aureus, and the nano-copper deposits were immobilized on the reduced graphene oxide sheets during the circulation process. This suggests that rGCSs is a highly-efficient antibacterial candidate for practical applications in sewage systems. (C) 2020 Elsevier B.V. All rights reserved.
机译：使用在3D还原石墨烯氧化物结构（rGOA）上的一步化学沉积来制造三维（3D）石墨烯/纳米铜支架（rGCS）。纳米铜以均匀的形态一致地生长在rGOA基底上。由于石墨烯骨架和纳米铜之间的综合作用，rGCS在菌落计数实验中显示出优异的抗菌性能。此外，还设计了rGCSs设备，以进一步研究污水处理的抗菌性能。大肠杆菌和金黄色葡萄球菌的抗菌杀灭率高达100％，并且在循环过程中将纳米铜沉积物固定在还原的氧化石墨烯片上。这表明，rGCSs是污水系统中实际应用的高效抗菌候选物。 （C）2020 Elsevier B.V.保留所有权利。

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  • 来源
    《Materials Letters》 |2020年第may15期|127527.1-127527.4|共4页
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    Lanzhou Univ Coll Civil Engn & Mech Lanzhou 730000 Peoples R China|Lanzhou Univ Minist Educ China Key Lab Mech Disaster & Environm Western China Lanzhou 730000 Peoples R China|Lanzhou Univ Sch Stomatol Lanzhou 730000 Peoples R China;

    Lanzhou Univ Sch Stomatol Lanzhou 730000 Peoples R China;

    Lanzhou Univ Coll Civil Engn & Mech Lanzhou 730000 Peoples R China|Lanzhou Univ Minist Educ China Key Lab Mech Disaster & Environm Western China Lanzhou 730000 Peoples R China;

    Northwestern Polytech Univ Sch Nat & Appl Sci Xian 710072 Peoples R 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
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  • 关键词

    Grapheneano-copper scaffolds; 3D graphene architecture; Copper nanoparticles; Antibacterial performance;

    机译：石墨烯/纳米铜支架3D石墨烯架构;铜纳米粒子;抗菌性能;

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