Enzymatic degradation of biostatic materials based on polylactide

Agnieszka Richert, Ewa Olewnik-Kruszkowska

DOI: http://dx.doi.org/10.12775/EQ.2018.014

Abstract


The paper presents the research results for enzymatic degradation of biodegradable materials in proteinase K. Polylactide and its composites containing a biostatic substance in the form of sulphanilic acid salt PHMG were tested as part of the research project. Three different concentrations of the biostatic substance were used: 0.2%, 0.6% and 1.0 % of the mass. The research results of differential scanning calorimetry (DSC) for the tested materials were compared both before and after the enzymatic degradation. Photographs obtained from a scanning electron microscope (SEM) and the analysis of the foil physical mass loss confirmed that these materials were susceptible to enzymes.


Keywords


enzymatic degradation; proteinase K; polylactide; PHMG

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References


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