METHOD OF PREPARING THE STAINED DIAGNOSTICUM USED FOR ASSAY OF ANTIGENS AND ANTIBODIES OF INFECTIOUS AND OTHER SICKNESSES Russian patent published in 1998 - IPC

FIELD: medicine, veterinary science, food industry. SUBSTANCE: method involves sensitization of latex of type core-envelope where core - polystyrene latex, envelope - copolymer of styrene and unsaturated carboxylic acid zinc and copper salts at mass ratio of links = 1:(0.3-3.0):(0.3-3.0). Latex is kept preliminary in buffer at pH 6.5-9.0 in the presence of dimethyldithiocarbamate sodium (0.15-5.0 mas. p. of polymer mass) followed by sensitization at pH 7.0-9.0 and incubation firstly at 37-56 C for 80-300 min, then at 2-8 C for 24-72 h. Diagnosticum can be used in different branches of medicine. EFFECT: improved method of preparing. 8 tbl