Patent ID: 7807391
Filing Date: 2010-10-05
Classification: C07K,G01N

Abstract:
1. A target substance capturing body comprising a substrate and a protein set on the surface of the substrate, wherein the surface of the substrate comprises a portion formed of gold, wherein the protein comprises a first domain and a second domain, wherein the first domain comprises at least an antibody heavy chain variable region (VH) or an antibody light chain variable region (VL), wherein the antibody heavy chain variable region (VH) or the antibody light chain variable region (VL) of the first domain has a region specifically binding to gold of the substrate at K wherein the second domain comprises a region specifically binding to a target substance, and wherein the protein is set on the substrate in such a form that the region of the first domain specifically binding to gold binds to the portion formed of gold of the surface of the substrate.