Figure 5: Morphology of rat aortic smooth muscle cells on day 1 after seeding on pristine LDPE (pristine), on a tissue culture polystyrene dish (PS), on LDPE irradiated with Ar+ plasma (plasma), on LDPE irradiated with plasma and grafted with glycine (Gly), on polyethyleneglycol (PEG), on bovine serum albumin (BSA), on colloidal carbon particles (C), or on bovine serum albumin and carbon particles (BSA+C). Cell membrane and cytoplasm stained with Texas Red C2-maleimide (red fluorescence), cell nuclei with Hoechst 33342 (blue fluorescence). Olympus IX 51 microscope, DP 70 digital camera, obj. 20x, bar = 200 μm.