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One-Pot Facile Methodology to Synthesize Chitosan-ZnO-Graphene Oxide Hybrid Composites for Better Dye Adsorption and Antibacterial Activity

1
Department of Chemistry (S&H), Vel Tech Multitech Dr.Rangarajan Dr.Sakunthala Engineering College, Chennai 600062, India
2
Division of Electronics and Electrical Engineering, Dongguk University-Seoul, Seoul 04620, Korea
3
Department of Electrical and Computer Engineering, Ajou University, Suwon 16499, Korea
4
Department of Energy Systems Research, Ajou University, Suwon 16499, Korea
*
Authors to whom correspondence should be addressed.
Nanomaterials 2017, 7(11), 363; https://doi.org/10.3390/nano7110363
Received: 16 September 2017 / Revised: 27 October 2017 / Accepted: 30 October 2017 / Published: 2 November 2017
(This article belongs to the Special Issue Antibacterial Activity of Nanomaterials)
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Abstract

Novel chitosan–ZnO–graphene oxide hybrid composites were prepared using a one-pot chemical strategy, and their dye adsorption characteristics and antibacterial activity were demonstrated. The prepared chitosan and the hybrids such as chitosan–ZnO and chitosan–ZnO–graphene oxide were characterized by UV-Vis absorption spectroscopy, X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, and transmission electron microscopy. The thermal and mechanical properties indicate a significant improvement over chitosan in the hybrid composites. Dye adsorption experiments were carried out using methylene blue and chromium complex as model pollutants with the function of dye concentration. The antibacterial properties of chitosan and the hybrids were tested against Gram-positive and Gram-negative bacterial species, which revealed minimum inhibitory concentrations (MICs) of 0.1 µg/mL. View Full-Text
Keywords: nano hybrid composites; FTIR; chitosan; dye adsorption; TEM; antibacterial activity nano hybrid composites; FTIR; chitosan; dye adsorption; TEM; antibacterial activity
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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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Sanmugam, A.; Vikraman, D.; Park, H.J.; Kim, H.-S. One-Pot Facile Methodology to Synthesize Chitosan-ZnO-Graphene Oxide Hybrid Composites for Better Dye Adsorption and Antibacterial Activity. Nanomaterials 2017, 7, 363.

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