Fig. 2From: Exploring in vivo cholesterol-mediated interactions between activated EGF receptors in plasma membrane with single-molecule optical trackingAn EMCCD image of single-molecule EGFRs in a living cell taken with an exposure time of 25 ms; Three typical trajectories of EGFRs diffusing in a confined region were extracted from measured trajectories using the confinement quantification procedure [30]Back to article page