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Silk Fiber as the Support and Reductant for the Facile Synthesis of Ag–Fe3O4 Nanocomposites and Its Antibacterial Properties

by Xiaonan Liu 1,2, Guangfu Yin 1,*, Zao Yi 2 and Tao Duan 2
1
College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China
2
Joint Laboratory for Extreme Conditions Matter Properties, Southwest University of Science and Technology, Mianyang 621010, China
*
Author to whom correspondence should be addressed.
Academic Editor: Greta Ricarda Patzke
Materials 2016, 9(7), 501; https://doi.org/10.3390/ma9070501
Received: 24 March 2016 / Revised: 13 June 2016 / Accepted: 15 June 2016 / Published: 23 June 2016
(This article belongs to the Section Advanced Composites)
We report a facile and environmentally friendly approach to prepare Ag–Fe3O4–silk fiber nanocomposites. The Ag–Fe3O4–silk fiber acts as: (i) a biocompatible support for the silver nanoparticles; and (ii) a reducing agent for the silver ions. Neither additional reducing agents nor toxic organic solvents were used during the preparation process. The Ag–Fe3O4–silk fiber nanocomposites can be actuated by a small household magnet and have high antibacterial activities against both Escherichia coli and Staphylococcus aureus. These nanocomposites could be easily recycled without a decrease in their antibacterial activities due to the synergistic effects between the Ag NPs and Fe3O4 NPs with large amounts of active sites. View Full-Text
Keywords: Ag–Fe3O4–silk fiber; antibacterial activity Ag–Fe3O4–silk fiber; antibacterial activity
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Liu, X.; Yin, G.; Yi, Z.; Duan, T. Silk Fiber as the Support and Reductant for the Facile Synthesis of Ag–Fe3O4 Nanocomposites and Its Antibacterial Properties. Materials 2016, 9, 501.

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