Solid-phase immunoassay of serum antibodies to peptides. Covalent antigen binding to adsorbed phenylalanine-lysine copolymers.


Two small peptide antigens, glucagon and enkephalin (5-L-leucine), were covalently immobilised using either glutaraldehyde or bis-(sulphosuccinimidyl) suberate to an adsorbed layer of phenylalanine-lysine copolymer (PL) or partially acetylated PL (APL) on polystyrene. Both copolymers formed stable layers, particularly APL after adsorption from solution in… (More)


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