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Materials 2017, 10(3), 239; doi:10.3390/ma10030239

Antimicrobial Bamboo Materials Functionalized with ZnO and Graphene Oxide Nanocomposites

1
Key Laboratory of Bio-Based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China
2
International Centre for Bamboo and Rattan, Beijing 100102, China
*
Authors to whom correspondence should be addressed.
Academic Editors: Klara Hernadi and Der-Jang Liaw
Received: 1 December 2016 / Accepted: 23 February 2017 / Published: 27 February 2017
(This article belongs to the Section Biomaterials)
View Full-Text   |   Download PDF [2414 KB, uploaded 1 March 2017]   |  

Abstract

Bamboo materials with improved antibacterial performance based on ZnO and graphene oxide (GO) were fabricated by vacuum impregnation and hydrothermal strategies. The Zn2+ ions and GO nanosheets were firstly infiltrated into the bamboo structure, followed by dehydration and crystallization upon hydrothermal treatment, leading to the formation of ZnO/GO nanocomposites anchored in the bulk bamboo. The bamboo composites were characterized by several techniques including scanning electron microscopy (SEM), Fourier transform infrared spectra (FTIR), and X-ray diffraction (XRD), which confirmed the existence of GO and ZnO in the composites. Antibacterial performances of bamboo samples were evaluated by the bacteriostatic circle method. The introduction of ZnO/GO nanocomposites into bamboo yielded ZnO/GO/bamboo materials which exhibited significant antibacterial activity against Escherichia coli (E. coli, Gram-negative) and Bacillus subtilis (B. subtilis, Gram-positive) bacteria and high thermal stability. The antimicrobial bamboo would be expected to be a promising material for the application in the furniture, decoration, and construction industry. View Full-Text
Keywords: ZnO; graphene oxide; bamboo; nanocomposites; antibacterial performance ZnO; graphene oxide; bamboo; nanocomposites; antibacterial performance
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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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Zhang, J.; Zhang, B.; Chen, X.; Mi, B.; Wei, P.; Fei, B.; Mu, X. Antimicrobial Bamboo Materials Functionalized with ZnO and Graphene Oxide Nanocomposites. Materials 2017, 10, 239.

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