The efficacy of antiseptic agents against staphylococcal biofilm can be quantitatively assessed with the use of processed microscopic images
Junka, A. F.; Krasowski, G.; Migdal, P.; Woroszylo, M.; Fijalkowski, K.; Chodaczek, G.; Czajkowska, J.; Dudek, B.; Nowicka, J.; Oleksy, M.; Kwiek, B.; Paleczny, J.; Brozyna, M.
Show abstract
The staphylococcal biofilms are major causative factors of non-healing wound infections. Their treatment algorithms recommend the use of locally applied antiseptic agents to counteract the spread of infection. The efficacy of antiseptics against biofilm is assessed in vitro by a set of standard quantitative and semi-quantitative methods. The development of software for image processing allowed to obtain quantitative data also from microscopic images of biofilm dyed with propidium iodine and SYTO-9 reagents, differentiating dead cells from the live ones. In this work, the method of assessment of the impact of antiseptic agents on staphylococcal biofilm in vitro, based on biofilms processed images, was proposed and scrutinized with regard to clinically-relevant antiseptics. Taking into account the fact that in vitro results of the efficacy of antiseptic agents against staphylococcal biofilm are frequently applied to back up their use in hospitals and ambulatory units, our work should be considered an important tool providing reliable, quantitative data with this regard.
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