Fig. 7From: Sulfobetaine methacrylate hydrogel-coated anti-fouling surfaces for implantable biomedical devicesIn vitro fibroblast adhesion on bare and hydrogel coated PU surfaces: Fluorescence micrographs of cells adhered to the bare and SBMA hydrogel-coated PU surfaces (a); amount of attached cells measured by ImageJ analysis (b) and relative cell attachment ratio, compared to bare surfaces (c). *P < 0.01 vs. bare PUBack to article page