Fig. 4: Concurrent electrical and optical Ca2+ recording of the cardiomyocyte activities on c-PEDOT:PSS/ITO-MEAs.
From: High-performance, polymer-based direct cellular interfaces for electrical stimulation and recording
a A schematic of the concurrent electrical recording and optical imaging of cellular activities. The electrical-field potential recording and optical Ca2+ dye fluorescence recording were performed using transparent c-PEDOT:PSS/ITO-MEAs and an EMCCD-equipped upright fluorescence microscope, respectively. b The trails of the action potentials (navy, top) and Ca2+ signals (black, bottom) from cardiomyocytes on c-PEDOT:PSS/ITO-MEAs simultaneously recorded by MEAs and EMCCD, respectively
