Journal
MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
Volume 62, Issue -, Pages 317-322Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.msec.2016.01.067
Keywords
Polymer composites; Antibacterial activity; Polypyrrole; Nanocomposite
Categories
Funding
- CNPq [470411/2013-9]
- FAPESB [PIE0001/2009]
- FINEP - CT-Infra [01.08.0012.03]
- FACEPE [APQ-0322-1.05/12]
- CAPES' ELINOR Nanobiotechnology network
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The antibacterial behavior of polypyrrole (PPy) depends on a diversity of structural parameters such as surface area, aggregation level and additives (metal nanoparticles) incorporation. This paper summarizes the influence of different preparation procedures of PPy on action of resulting antibacterial composite against Escherichia coli, Staphylococcus aureus and Klebsiella pneumoniae. The bactericidal action has been assigned to morphology (size of polypyrrole nanoparticles). The electrostatic interaction established between polymer nanoparticles and bacteria provokes the bacterial cell death and returns advantages in comparison with conventional composites of polypyrrole decorated with metal nanoparticles. (C) 2016 Elsevier B.V. All rights reserved.
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