Antimicrobial Properties of the Hybrid Copper Nanoparticles-Carboxymethyl Cellulose

Authors

  • Tuhua Zhong
  • Gloria S. Oporto
  • Jacek Jaczynski
  • Adiam T. Tesfai
  • Jim Armstrong

Keywords:

Carboxymethyl cellulose, copper nanoparticles, nanocomposites, antimicrobial cellulose

Abstract

In this study, a simple method to produce a cellulose-based material with antimicrobial properties was developed by introducing copper nanoparticles on carboxymethyl cellulose (CMC) using sodium borohydride as a copper reducing agent. The hybrid material was characterized by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), and transmission electron microscopy (TEM). SEM and EDX analysis confirmed the formation of copper nanoparticles within the CMC matrix. TEM indicated a 10- to 20-nm diameter of copper nanoparticles. Antimicrobial properties of the hybrid material were effectively evaluated against the nonpathogenic surrogate of foodborne pathogen Escherichia coli.

References

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Published

2013-04-15

Issue

Number 2 / April 2013

Section

Research Contributions

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