FIELD: biotechnologies.
SUBSTANCE: liposomes are used as a matrix for activated ferment - horseradish peroxidase. To 5 mg of horseradish peroxidase oxygenated with a periodate method there added is 1 ml of liposome suspension in 0.01 M solution of carbonate-bicarbonate buffer at pH 9.5, and subjected to ultrasonic treatment during 1 min. Then it is incubated for 1 hour; immobilised with immunoglobulins in concentration of 5 mg during 2 hours at the temperature of 22±4°C; stabilised with 5 mg of sodium borane with further gel-chromatographic cleaning.
EFFECT: invention allows obtaining liposomal-immunoperoxidase conjugate for indication of infectious agents in an immunoenzymometric analysis and increasing service life of a preparation up to 6 years.
1 tbl, 3 ex
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