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Immobilization and release of copper species from a microstructured polypyrrole matrix

  • M.B. González
  • L.I. Brugnoni
  • D.O. Flamini
  • L.M. Quinzani
  • S.B. SaidmanEmail author
Article

Abstract

Copper species immobilization in hollow rectangular-sectioned microtubes of polypyrrole (PPy) electrosynthesized on 316L stainless steel was carried out using two different methods. One of them involved the immobilization after the PPy electropolymerization and the other one during the electrosynthesis process. The electrodes modified with copper species were rotated at different speeds in well water under open-circuit potential conditions. The release of copper species from the PPy matrix and the antibacterial activity against Escherichia coli were analyzed. The obtained results demonstrate that the amount of copper species released as well as the bactericidal effects against E. coli increases with rotation speed. The PPy coating modified with copper species after the electropolymerization reaction exhibited the best performance in terms of antibacterial activity and corrosion protection. These electrodes were tested in a lab-scale continuous flow system for well water disinfection.

Keywords

Copper Polypyrrole Electropolymerization Salicylate Antibacterial activity 

Notes

Acknowledgments

The financial support of the Universidad Nacional del Sur (UNS), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), and Agencia Nacional de Promoción Científica y Tecnológica (ANPCYT) is gratefully acknowledged.

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Copyright information

© Springer International Publishing Switzerland 2017

Authors and Affiliations

  • M.B. González
    • 1
  • L.I. Brugnoni
    • 2
  • D.O. Flamini
    • 1
  • L.M. Quinzani
    • 3
  • S.B. Saidman
    • 1
    Email author
  1. 1.Departamento de Ingeniería Química, Instituto de Ingeniería Electroquímica y Corrosión (INIEC)Universidad Nacional del SurBahía BlancaArgentina
  2. 2.Departamento de Biología, Bioquímica y Farmacia, Instituto de Investigaciones Biológicas y Biomédicas del Sur (INBIOSUR)Universidad Nacional del SurBahía BlancaArgentina
  3. 3.Planta Piloto de Ingeniería Química (PLAPIQUI)Universidad Nacional del Sur, CONICETBahía BlancaArgentina

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