Chitosan-Zinc Oxide hybrid composite for enhanced dye degradation and antibacterial activity

Title
Chitosan-Zinc Oxide hybrid composite for enhanced dye degradation and antibacterial activity
Author(s)
심재진할도리유바라즈
Keywords
SIZED SEMICONDUCTOR COLLOIDS; HYDROGEN-PEROXIDE; NANOPARTICLES; ZNO; MECHANISM; DELIVERY; ADSORPTION; OXIDATION; SURFACE; DRUG
Issue Date
201306
Publisher
TAYLOR & FRANCIS LTD
Citation
COMPOSITE INTERFACES, v.20, no.5, pp.365 - 377
Abstract
In this report, chitosan (CS) encapsulated zinc oxide (ZnO) hybrid composite was prepared by chemical precipitation method. The CS-ZnO composite was characterized by Fourier transform infrared spectroscopy, X-ray diffraction, thermogravimetric analysis (TGA), transmission electron microscopy, and zeta potential. The composite exhibited high photocatalytic activity as evident from the degradation of methylene blue dye under UV irradiation. Approximately, 64% of the dye was degraded under UV irradiation within 3h. In addition, the CS-ZnO composite showed excellent antibacterial activity against Escherichia coli as measured by colony forming units. Based on the data of present investigation, the composite being a biocompatible, eco-friendly, and low-cost material could find potential applications in various fields.
URI
http://hdl.handle.net/YU.REPOSITORY/29962http://dx.doi.org/10.1080/15685543.2013.806124
ISSN
0927-6440
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공과대학 > 화학공학부 > Articles
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