... Biomedical Engineering, Vol.34, No.1, 59 -74, 0090-6964 Stevens, M. M.&George, J. H. (20 05) . Exploring and engineering the cell surface interface. Science, Vol.310, No .57 51, 11 35- 1138, 10 95- 9203 ... local distribution of integrin binding proteins, changing the availability and local concentration for interacting with integrins. The presence of surface topography might increase local ligand ... μm in height, 50 – 150 μm in diameter), crypt (20 – 50 μm in diameter), and pore (1 – 5 μm in diameter) structures on the surface of intestinal basement membrane; the thickness of pHEMA coating...