A protein utilizing an anti-gold antibody and a gold-binding side which is a part of the anti-gold antibody is constructed. This protein is capable of specifically binding to gold. This protein or a complex protein containing such a protein can be used for the detection of a target substance....http://www.google.com.au/patents/US7807391?utm_source=gb-gplus-sharePatent US7807391 - Gold-binding protein and use thereof
