The influence of biofilm formation as the mode of microorganism growth on degradation of synthetic polymers represents an important research topic. This study focuses on the effect of biofilm developed by Bacillus subtilis (BS) cultivated submerged under various nutrition conditions on biodeterioration of poly(ε-caprolactone) film. Polymer in the film form (thickness 0.7 mm) was incubated for 21 days either continuously or by regularly renewed system. The scission of polyester chain bonds took place in all biotic media and was enhanced by biofilm formation in nutrient-rich media.

Department of Polymers Faculty of Chemical Technology University of Chemistry and Technology Prague Technická 5 16628 Prague Czech Republic

Institute of Chemistry and Biochemistry Faculty of Agronomy Mendel University in Brno Zemědělská 1 1665 613 00 Brno Czech Republic

Institute of Scientific Instruments of ASCR Královopolská 147 61264 Brno Czech Republic

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