Researchers have developed a technique that allows them to speed up or slow down human heart cells growing in a dish on command – simply by shining a light on them and varying its intensity. The cells are grown on a material called graphene, which converts light into electricity.
See video (University of California): www.eurekalert.org/multimedia/927967
2018). Graphene biointerfaces for optical stimulation of cells. Science Advances. (
Plain numerical DOI: 10.1126/sciadv.aat0351
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2023). Graphene-enabled optical cardiac control in Drosophila melanogaster. In J. A. Izatt & J. G. Fujimoto (Eds.), Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVII. (
(p. 81). SPIE
Plain numerical DOI: 10.1117/12.2652964