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[References: 7 tit.]

There is growing interest in piezoelectric materials due to their potential of providing electrical stimulation to cells topromote tissue formation without external source. A recent study has shown that the most significant effect onfibroblasts has been revealed in case of scaffolds with the largest piezoelectric constants such as polyvinylidenefluoride [1]. Polyhydroxybutyrate (PHB) is biodegradable and piezoelectric polymer. However, PHB possessesreduced piezoelectric properties compared with PVDF. Polyaniline (PANi) is conductive biocompatible polymer [2]and increase piezocharge constants of piezoelectric materials [3]. However, the influence of PANi on thepiezoelectric properties of PHB scaffolds has not been studied so far. Thus, the present study is aimed at fabricationand investigation of the piezoelectric properties, chemical and phase compositions of hybrid scaffolds based on PHBand its blends with PANi.