Pyroelectric Effect Enables Simple and Rapid Evaluation of Biofilm Formation

O Gennari, V Marchesano, R Rega, L Mecozzi, F Nazzaro, F Fratianni, R Coppola, L Masucci, E Mazzon, A Bramanti, P Ferraro, S Grilli

Research output: Contribution to journalArticle

Abstract

Biofilms are detrimental to human life and industrial processes due to potential infections, contaminations, and deterioration. Therefore, the evaluation of microbial capability to form biofilms is of fundamental importance for assessing how different environmental factors may affect their vitality. Nowadays, the approaches used for biofilm evaluation are still poor in reliability and rapidity and often provide contradictory results. Here, we present what we call biofilm electrostatic test (BET) as a simple, rapid, and highly reproducible tool for evaluating in vitro the ability of bacteria to form biofilms through electrostatic interaction with a pyroelectrified carrier. The results show how the BET is able to produce viable biofilms with a density 6-fold higher than that on the control, after just 2 h incubation. The BET could pave the way to a rapid standardization of the evaluation of bacterial resistance among biofilm-producing microorganisms. In fact, due to its simplicity and cost-effectiveness, it is well suited for a rapid and easy implementation in a microbiology laboratory.

Original languageEnglish
Pages (from-to)15467-15476
Number of pages10
JournalACS applied materials & interfaces
Volume10
Issue number18
DOIs
Publication statusPublished - May 9 2018

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    Gennari, O., Marchesano, V., Rega, R., Mecozzi, L., Nazzaro, F., Fratianni, F., Coppola, R., Masucci, L., Mazzon, E., Bramanti, A., Ferraro, P., & Grilli, S. (2018). Pyroelectric Effect Enables Simple and Rapid Evaluation of Biofilm Formation. ACS applied materials & interfaces, 10(18), 15467-15476. https://doi.org/10.1021/acsami.8b02815