摘要:
This invention provides a polymer thin film which is useful as a substrate for immobilizing a histocompatibility-imparting agent, an immunosuppressive agent, a bioreaction suppressive agent, or the like, and which can be used in imparting biocompatibility; its production method; a binder for a bio chip wherein loss of probe and sample substances in the washing step has been reduced to realize efficient use of such probe and sample; and its production method. In the present invention, the starting material represented by the following structural formula (I) is evaporated and heated to bring the material into monomer form. The material is then introduced into a vacuum deposition chamber maintained at a predetermined degree of vacuum wherein the material is deposited and polymerized on a substrate to obtain the polymer thin film. This polymer thin film is also used in producing the bio chip. wherein R 11 and R 12 independently represent -CH 2 NH 2 group or H, and at least one of the R 11 and R 12 is -CH 2 NH 2 group.