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New model substrates for enzymes hydrolysing polyethyleneterephthalate and poly...
Heumann, Sonja; Eberel, Anita; Pobeheim, Herbert; Liebminger, Stefan; Fischer-Colbrie, Gudrun; Almansa, Eva; Paulo, Artur Cavaco; Gübitz, Georg M.Recently the potential of enzymes for surface hydrophilisation and/or functionalisation of polyethyleneterephthalate (PET) and polyamide (PA) has been discovered. However, there was no correlation between enzyme class/activity (e.g. esterase, lipase, cutinase) and surface hydrolysis of these polymers and consequently no simple assay to estimate this capability. Enzymes active on the model substrates bis (benzoy...
New enzymes with potential for PET surface modification
Fischer-Colbrie, Gudrun; Heumann, Sonja; Liebminger, Stefan; Almansa, Eva; Paulo, Artur CavacoThis work describes newly isolated organisms and their potential to modify the surface of polyethylene terephthalate (PET). Out of the different screening processes, four bacterial and five fungal strains were isolated. A PET model substrate was synthesized (bis (benzoyloxyethyl) terephthalate) and used in the screening process, mimicking the polymer in its crucial properties and having the advantage of defined...
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