Formation of ZnO Micro-Flowers Prepared Via Solution Process and Their Antibacterial Activity

Overview

Journal Nanoscale Res Lett

Publisher Springer

Specialty Biotechnology

Date 2010 Nov 16

PMID 21076675

Citations 15

Authors

Rizwan Wahab

Young-Soon Kim

Amrita Mishra

Soon-Il Yun

Hyung-Shik Shin

Affiliations

Soon will be listed here.

Abstract

This paper presents the fabrication and characterization of zinc oxide micro-flowers and their antibacterial activity. The micro-flowers of zinc oxide composed of hexagonal nanorods have been prepared via solution process using precursor zinc acetate di-hydrate and sodium hydroxide in 3 h of refluxing time at ~90°C. The antibacterial activities of grown micro-flowers were investigated against four pathogenic bacteria namely S. aureus, E. coli, S. typhimurium and K. pneumoniae by taking five different concentrations (5-45 μg/ml) of ZnO micro-flowers (ZnO-MFs). Our investigation reveals that at lowest concentration of ZnO-MFs solution inhibiting the growth of microbial strain which was found to be 5 μg/ml for all the tested pathogens. Additionally, on the basis of morphological and chemical observations, a chemical reaction mechanism of ZnO-MFs composed of hexagonal nanorods was also proposed.

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