Here is my 2nd #FluorescenceFriday post! 🧪 #hiPSCs expressing jRCaMP1b, a genetically-encoded Ca2+ indicator 👻. This reporter allows us to record intracellular Ca2+ in hiPSC-derived #cardiomyocytes and cardioids (videos in the comments) #microscopy 🔬 #Science #Biology @benjaminbjohnson.bsky.social