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. 2013 Aug 19;8(8):e72459. doi: 10.1371/journal.pone.0072459

Figure 4. Fluorescence microscopy images of carboxylate microspheres in non-differentiated THP-1 cells and in macrophages.

Figure 4

An increased carboxylate microspheres (red) concentration is observed in macrophages (B) than in non-differentiated THP-1 cells (A). Nuclei are stained in blue (DAPI). Magnification used was ×400. Bar : 20 µm.