10 Antibody-coated and antigen-coated solid surfaces, namely, microtitre plates, biochips of silicone, glass, quartz or plastics, and nitrocellulose membranes for use in medical analysis; antibody-coated and antigen-coated solid surfaces, namely, microtitre plates, biochips of silicone, glass, quartz or plastics, and nitrocellulose membranes for diagnostic and medical purposes; antibody-coated and antigen-coated solid surfaces, namely, microtitre plates, biochips of silicone, glass, quartz or plastics, and nitrocellulose membranes for assaying biological fluids and biological materials, namely, tissue for medical diagnostic purposes