Synthesis of polypyrrole microspheres by Streptomyces spp.

Synthesis of polypyrrole microspheres by Streptomyces spp. The present paper shows a green method for the formation of polypyrrole by two different MIUG 12p and MIUG 4.88 strains of Streptomyces spp. bacteria. According to our knowledge, such method has never been proposed before for pyrrole oxidation. For this experiment pyrrole monomer was added into bacterial medium after 6 days of incubation and after 4 days polypyrrole (PPy) based 10–25 μm microspheres has been observed in the medium around living cells, The microsphere diameter dependence on the bacterial strains was observed. The morphological characterization of the PPy microspheres was subsequently performed by optical microscopy (OM), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy. The characterization of formed hollow microspheres confirmed that they consist of polypyrrole. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Polymer Elsevier

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Publisher
Elsevier
Copyright
Copyright © 2015 Elsevier Ltd
ISSN
0032-3861
D.O.I.
10.1016/j.polymer.2015.12.029
Publisher site
See Article on Publisher Site

Abstract

The present paper shows a green method for the formation of polypyrrole by two different MIUG 12p and MIUG 4.88 strains of Streptomyces spp. bacteria. According to our knowledge, such method has never been proposed before for pyrrole oxidation. For this experiment pyrrole monomer was added into bacterial medium after 6 days of incubation and after 4 days polypyrrole (PPy) based 10–25 μm microspheres has been observed in the medium around living cells, The microsphere diameter dependence on the bacterial strains was observed. The morphological characterization of the PPy microspheres was subsequently performed by optical microscopy (OM), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy. The characterization of formed hollow microspheres confirmed that they consist of polypyrrole.

Journal

PolymerElsevier

Published: Feb 10, 2016

References

  • Greener method for high-quality polypyrrole
    Dias, H.V.R.; Fianchini, M.; Rajapakse, R.M.G.
  • Study of polypyrrole aging by XPS, FTIR and conductivity measurements
    Tabačiarová, J.; Mičušík, M.; Fedorko, P.; Omastová, M.
  • From giant vesicles to filaments and wires: templates for conducting polymers
    Kros, A.; Linhardt, J.G.; Bowman, H.K.; Tirrell, D.A.
  • Surface binding of polypyrrole on porous silicon hollow nanospheres for Li-Ion battery anodes with high structure stability
    Du, F.H.; Li, B.; Fu, W.; Xiong, Y.J.; Wang, K.X.; Chen, J.S.
  • Surface characterization of carbon fibers using angle-resolved XPS and ISS
    Gardner, S.D.; Singamsetty, C.S.K.; Booth, G.L.; He, G.-R.; Pittman, C.U.; Delpeux, S.; Beguin, F.; Benoit, R.; Erre, R.; Manolova, N.; Rashkov, I.

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