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Figure 10: Immunofluorescence of paxillin, an integrin-associated protein of focal adhesion plaques, in rat aortic smooth muscle cells on day 4 after seeding on a microscopic glass coverslip (glass), on pristine LDPE (pristine), on LDPE irradiated with plasma (plasma), on LDPE irradiated with Ar+ plasma and grafted with glycine (Gly), on polyethylene glycol (PEG), on bovine serum albumin (BSA), on colloidal carbon particles (C), and on bovine serum albumin with C (BSA+C). Olympus IX 51 microscope, DP 70 digital camera, obj. 100x, bar = 20 μm.