Abstract
Adsorption properties of bovine serum albumin (BSA) and egg white lysozyme (LSZ) were examined at pH 5.15 on titanium coated with and without calcium titanate (CT). One CT-coated (CT-Ti), and two none-coated titaniums with different surface roughness (mirror-like-polished-Mi-Ti and mechanically-polished; Me-Ti ) were prepared. The adsorbed amounts of both BSA and LSZ were in the order of Me-Ti > Mi-Ti > CT-Ti, which was attributed to the differences of surface roughnes and hydrophobicity. Furthermore, the molar adsorbed amounts of LSZ were larger than those of BSA by 3-5 times for the three Ti plates, which was partly due to stronger electrostatic attraction between LSZ and the surface.
