BioMed Research International / 2013 / Article / Fig 2

Research Article

Adhesion, Growth, and Maturation of Vascular Smooth Muscle Cells on Low-Density Polyethylene Grafted with Bioactive Substances

Figure 2

Oxygen concentration in the modified layer and depth concentration profile of oxygen, determined from RBS measurements, on plasma-treated LDPE (plasma), LDPE treated with plasma and then grafted with glycine (Gly), polyethylene glycol (PEG), bovine serum albumin (BSA), colloidal carbon particles (C), or a combination of BSA and C (BSA+C).