A method for stimulation of in-vitro cell cultures electrical activity with visible light, based on the use of organic semiconducting polymers is described.
Martino, N., Bossio, C., Vaquero Morata, S., Lanzani, G., Antognazza, M. R. Optical Control of Living Cells Electrical Activity by Conjugated Polymers. J. Vis. Exp. (107), e53494, doi:10.3791/53494 (2016).