The effect of composition of a polymeric coating on the biofilm formation of bacteria and filamentous fungi

ABSTRACT

Functionality of polymeric coating, especially in terms of anti-corrosive properties and stability, can be negatively influenced by formation of either bacterial or fungal biofilm on its surface. Herein, the epoxy-ester resin based polymeric coating was filled with pigments (natural silicon dioxide diatomite, natural wollastonite, tungstate and molybdate). Pigments was modified by conducting polymers (polyaniline phosphate, polypyrrole phosphate, poly(p-phenylenediamine) phosphate and ZnFe₂O₄). Impact of modified pigments on the surface energy and formation of biofilm were tested. The use of various biofilm forming species of both the bacteria and fungi filled a knowledge gap about their behavior on polymeric coatings.

GRAPHICAL ABSTRACT

KEYWORDS:

• Bacteria
• biofilm formation
• fungi
• pigment
• polymeric coating

Additional information

Funding

This work was supported by the Ministry of Education, Youth and Sports of the Czech Republic – Programme NPU I [LO1504]. The authors are also grateful to the Czech Science Foundation [17-05095S]. The author, Nikola Mikušová, acknowledges the support of an internal Grant from TBU in Zlín [IGA/CPS/2018/001] financed from funds of specific academic research.

Notes on contributors

Nikola Mikušová

Nikola Mikušová, Zdenka Capáková, Ita Junkar, Marián Lehocký, Miran Mozetic, Petr Humpolíček: were responsible persons for biological testing of prepared polymeric coatings (biofilm formation of bacteria and fungi) and surface energy measurement.

Kateřina Nechvilová

Kateřina Nechvilová, Andréa Kalendová, Tereza Hájková: have prepared the polymeric coatings based on commercial epoxy-ester resin containing pigments.

Andréa Kalendová

Kateřina Nechvilová, Andréa Kalendová, Tereza Hájková: have prepared the polymeric coatings based on commercial epoxy-ester resin containing pigments.

Tereza Hájková

Kateřina Nechvilová, Andréa Kalendová, Tereza Hájková: have prepared the polymeric coatings based on commercial epoxy-ester resin containing pigments.

Zdenka Capáková

Nikola Mikušová, Zdenka Capáková, Ita Junkar, Marián Lehocký, Miran Mozetic, Petr Humpolíček: were responsible persons for biological testing of prepared polymeric coatings (biofilm formation of bacteria and fungi) and surface energy measurement.

Ita Junkar

Nikola Mikušová, Zdenka Capáková, Ita Junkar, Marián Lehocký, Miran Mozetic, Petr Humpolíček: were responsible persons for biological testing of prepared polymeric coatings (biofilm formation of bacteria and fungi) and surface energy measurement.

Marián Lehocký

Nikola Mikušová, Zdenka Capáková, Ita Junkar, Marián Lehocký, Miran Mozetic, Petr Humpolíček: were responsible persons for biological testing of prepared polymeric coatings (biofilm formation of bacteria and fungi) and surface energy measurement.

Miran Mozetič

Nikola Mikušová, Zdenka Capáková, Ita Junkar, Marián Lehocký, Miran Mozetic, Petr Humpolíček: were responsible persons for biological testing of prepared polymeric coatings (biofilm formation of bacteria and fungi) and surface energy measurement.

Petr Humpolíček

Nikola Mikušová, Zdenka Capáková, Ita Junkar, Marián Lehocký, Miran Mozetic, Petr Humpolíček: were responsible persons for biological testing of prepared polymeric coatings (biofilm formation of bacteria and fungi) and surface energy measurement.