GCaMP is a genetically encoded calcium indicator initially developed in 2001 by Junichi Nakai. It is a synthetic fusion of green fluorescent protein, calmodulin, and M13, a peptide sequence from myosin light-chain kinase. From Wikipedia
Having validated the platform ex vivo at single-cell resolution without external labels, the team is reconfiguring its ultrasound detector for live-animal use with the goal of reaching two-millimeter depth.
