Scientists from Italy conducted an experiment to synthesize electroactive polyurethane/siloxane films from castor oil for use as a cardiac patch. The electroactive films containing aniline tetramer were prepared through sol gel reaction of trimethoxysilane functional intermediate polyurethane prepolymers obtained from castor oil and polyethylene glycol.

Physicochemical, mechanical and electrical conductivity of samples were evaluated and correlated with their structural characteristics. Results showed that the prepared films were compatible with proliferation of C2C12 and had the potential to enhance myotube formation even without electrical stimulation.

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