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Tuning the surface properties of polypyrrole films for modulating bacterial adhesion.
Linköping University, Department of Physics, Chemistry and Biology, Biosensors and Bioelectronics. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology, Biosensors and Bioelectronics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-1815-9699
Linköping University, Department of Physics, Chemistry and Biology, Biosensors and Bioelectronics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-2071-7768
2016 (English)In: Macromolecular Chemistry and Physics, ISSN 1022-1352, E-ISSN 1521-3935, Vol. 217, no 10, 1128-1135 p.Article in journal (Refereed) Published
Abstract [en]

Tuning the physical–chemical properties of polypyrrole (PPy) opens up potentially exciting new applications, especially in the area of bacterial adhesion. Polypyrrole is electrochemically synthesized under various conditions and the physical properties of the films and their effects on bacterial adhesion are characterized. Five types of dopants—chloride (Cl), perchlorate (ClO4), p-toluene-sulfonate (ToS), dodecylbenzene sulfonate (DBS), and poly sodium styrene sulfonate (PSS)—are used to fabricate PPy films at two different constant potentials (0.500 and 0.850 V) with and without Fe3+. Their thickness, roughness, and wettability are measured. The adhesion tendency of Escherichia coli, as a model bacterium, to the four polymers is studied. E. coli shows greater adhesion tendency to the hydrophobic, rough surface of PPy-DBS, and less adhesion tendency to the smooth and hydrophilic surface of PPy-PSS. The results facilitate the choice of appropriate electropolymerization conditions to modulate bacterial adhesion.

Place, publisher, year, edition, pages
John Wiley & Sons, 2016. Vol. 217, no 10, 1128-1135 p.
Keyword [en]
Biopolymer surface, modulating bacterial adhesion, polymer thickness, polypyrrole roughness, wettability
National Category
Polymer Technologies
Identifiers
URN: urn:nbn:se:liu:diva-128197DOI: 10.1002/macp.201500445ISI: 000380018100004OAI: oai:DiVA.org:liu-128197DiVA: diva2:929992
Note

Funding agencies:  Iranian Ministry of Science, Research and Technology; Linkoping University; Swedish Research Council [VR-2014-3079]

Available from: 2016-05-20 Created: 2016-05-20 Last updated: 2016-08-20

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The full text will be freely available from 2017-02-05 14:27
Available from 2017-02-05 14:27

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Golabi, MohsenTurner, AnthonyJager, Edwin
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