{HEAD ~ The invention} relates to an immunoassays, {TAIL ~ binding assays}, solid phase substrates and other devices with an antigen or antibody or ligand or receptor embedded into a solid phase substrate  
{ HEAD ~ The invention } relates to an immunoassays , { TAIL ~ binding assays } , solid phase substrates and other devices with an antigen or antibody or ligand or receptor embedded into a solid phase substrate
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