FIELD: biotechnology.
SUBSTANCE: on paramagnetic particles bearing the immobilised bacterial protein G of the family Streptococcus, with the blocked solution Denhardt-DNA the protein BoNT/A is adsorbed using specific highly affinity polyclonal antibodies. The formation of the protein complex BoNT/A is detected with a biotin-conjugated antibody by a noncovalent conjugate of DNA fragments with neutravidin. PCR amplification of the DNA matrix is carried out with the fluorescence detection of the signal in real time. Registration of the presence of BoNT/A in the samples under study is carried out by the change in the level of fluorescence compared to the control ones.
EFFECT: effective method of determining the presence of the compound.
5 dwg, 1 tbl, 5 ex
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