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Bactericidal action of N doped ZnO in sunlight

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Author(s): Rajashri S. Karmali | Amruta Bartakke | Vrinda P. Borker | Koyar S. Rane

Journal: Biointerface Research in Applied Chemistry
ISSN 2069-5837

Volume: 1;
Issue: 2;
Start page: 57;
Date: 2011;
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Keywords: zinc oxide | antibacterial properties | Escherichia coli | disk diffusion | minimum inhibitory concentration

ABSTRACT
ZnO based fabrics for antibacterial activity is based on absorbance in the UV region of the electromagnetic spectrum, process requiring activation under UV light. In the present study, ZnO is synthesized by hydrazinated oxalate method. The synthesis introduces nitrogen in the lattice of ZnO which shifts its absorbance in the visible region. This N doped ZnO shows enhanced biocidal activity towards Escherichia coli. The textiles based on N doped ZnO can be effectively used as antimicrobial under solar radiations.
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