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Open AccessArticle

Investigation of Polyaniline and a Functionalised Derivative as Antimicrobial Additives to Create Contamination Resistant Surfaces

1
Department of Molecular Medicine and Pathology, The University of Auckland, Auckland 1023, New Zealand
2
School of Chemical Sciences, The University of Auckland, Auckland 1142, New Zealand
*
Author to whom correspondence should be addressed.
Materials 2018, 11(3), 436; https://doi.org/10.3390/ma11030436
Received: 2 February 2018 / Revised: 13 March 2018 / Accepted: 13 March 2018 / Published: 16 March 2018
(This article belongs to the Special Issue Conductive Polymers: Materials and Applications)
Antimicrobial surfaces can be applied to break transmission pathways in hospitals. Polyaniline (PANI) and poly(3-aminobenzoic acid) (P3ABA) are novel antimicrobial agents with potential as non-leaching additives to provide contamination resistant surfaces. The activity of PANI and P3ABA were investigated in suspension and as part of absorbent and non-absorbent surfaces. The effect of inoculum size and the presence of organic matter on surface activity was determined. PANI and P3ABA both demonstrated bactericidal activity against Escherichia coli and Staphylococcus aureus in suspension and as part of an absorbent surface. Only P3ABA showed antimicrobial activity in non-absorbent films. The results that are presented in this work support the use of P3ABA to create contamination resistant surfaces. View Full-Text
Keywords: antimicrobial; surfaces; infection control; polyaniline; Escherichia coli; Staphylococcus aureus antimicrobial; surfaces; infection control; polyaniline; Escherichia coli; Staphylococcus aureus
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Robertson, J.; Gizdavic-Nikolaidis, M.; Swift, S. Investigation of Polyaniline and a Functionalised Derivative as Antimicrobial Additives to Create Contamination Resistant Surfaces. Materials 2018, 11, 436.

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