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. Author manuscript; available in PMC: 2017 Jun 28.
Published in final edited form as: Chem Rev. 2017 Apr 17;117(11):7276–7330. doi: 10.1021/acs.chemrev.6b00729

Figure 21.

Figure 21

Particles may merge and/or split, leading to trajectories that are temporarily joined. This presents new challenges in identifying pre- and post- colocalization track segments for the same particle. Top: example of a trajectory segment where two formyl peptide receptor290 particles (denoted by the green and red arrows at 0, 12 and 24 ms) merge (at 36 ms) and remain colocalized until 96 ms (yellow arrow), only to split again at 108 ms (blue and gray arrows). Bottom: Particle trajectories followed above. Trajectories colored to match the corresponding colored arrows in the figure above. Adapted with permission from ref 290. Copyright 2014, Nature Publishing Group.