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. 2010 Jul 21;99(2):388–397. doi: 10.1016/j.bpj.2010.04.029

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Raw and drift-subtracted MSD for cluster track indicated with + (red online) in inset. Shaded area represents the standard error of the mean from multiple measurements. (Inset) Tracked receptor clusters after ∼55 s of initial contact of POPC bilayer with 25 mol % DNP-Cap PE lipid. Parabolas (yellow online) show the root mean-square diffusional spread of the cluster. Arrows (green online) are proportional to the drift velocity and show how far each cluster would drift in 66 s. Scale bar = 5 μm.