Video 1
Movie S1. H9 hES cells cultured on GBP surfaces spontaneously contract after 14 d of cardiomyoctye differentiation. Time displayed in minutes per second. Scale bar, 0.2 mm.
Movie S1. H9 hES cells cultured on GBP surfaces spontaneously contract after 14 d of cardiomyoctye differentiation. Time displayed in minutes per second. Scale bar, 0.2 mm.