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Materials 2016, 9(7), 501; doi:10.3390/ma9070501

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

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
Received: 24 March 2016 / Revised: 13 June 2016 / Accepted: 15 June 2016 / Published: 23 June 2016
(This article belongs to the Section Advanced Composites)
View Full-Text   |   Download PDF [1820 KB, uploaded 23 June 2016]   |  

Abstract

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
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

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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