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. 2011 Oct 13;2012:143524. doi: 10.1155/2012/143524

Figure 2.

Figure 2

(a) Microscopic images of GPs containing 20 nm anionic fluorescent carboxylate polystyrene nanoparticles. (b) Fluorescent photomicrographs showing uptake of GP-cPS-NPs by control NIH3T3 fibroblast cells (left) and GP phagocytosing proficient NIH3T3-D1 cells (right).