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. 2019 Jul 5;117(5):810–816. doi: 10.1016/j.bpj.2019.07.001

Figure 4.

Figure 4

Transient confinement in the motion of TrkB receptors in the plasma membrane of neuronal cells. The typical trajectory of the (A) TrkB receptor and (B) p75 receptor is shown. (C) Ensemble-averaged MSD of TrkB (green triangles) and p75 (purple circles) shows confinement in submicron domains for durations of several seconds. A fit of the data to Eq. 2 is shown in the red solid line. (D) Time-averaged MSD of TrkB (green triangles) and p75 (purple circles) shows a transition between a short-time power law behavior (fitted with dashed line) to a different power law behavior at long times (fitted with solid line). To see this figure in color, go online.