Fig. 1From: Enhanced calcium ion mobilization in osteoblasts on amino group containing plasma polymer nanolayerScheme of the chemical surface composition. The silicon–titanium (Ti) substrates were modified by amino functionalization with plasma polymerized allylamine (Ti + PPAAm) as well as immobilization of a bioactive collagen type-I layer (Ti + Col). These modifications were compared with bare Ti substrates and tissue culture plastic (IBIDI)Back to article page