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. 2015 Nov 17;109(10):2171–2181. doi: 10.1016/j.bpj.2015.10.002

Figure 2.

Figure 2

Diffusive mobility of 200 nm polystyrene particles in bovine vitreous humor. (a) MSD curves calculated from the individual trajectories of amine-terminated 200 nm polystyrene particles in bovine vitreous humor. (b) The distribution curves contain data from >1000 apparent diffusion coefficients from carboxyl-terminated (COOH), PEGylated (PEG), and amine-terminated (NH2) 200 nm polystyrene particles in bovine vitreous humor. The dash-dotted line in both graphs is located at 10% of the diffusion coefficient of 200 nm particles in water (Dfree). Using this line as a threshold, the particle ensemble can be divided into a mobile and an immobile fraction. To see this figure in color, go online.