Bioorganicheskaia khimiia · 2010
[Monoclonal antibody based enzyme-linked immunosorbent assay for aminoglycoside antibiotic kanamycin in foodstuff].
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Gal'vidis I A, Burkin M A
Аннотация
Monoclonal antibodies to aminoglycoside antibiotic kanamycin (KM) were raised as a result of mice complex immunization with glutaraldehyde conjugates BSA with KM, tobramycin (TM) and gentamicin. Using antibodies an indirect competitive enzyme-linked immunosorbent assay was developed. This method allows to determine antibiotic up to 1.2 ng/ml in water solutions, milk and eggs and up to 2.5 ng/ml in honey. The recovery rate from these products spiked with KM was 83, 84 and 96% respectively. The assay of KM based on homologous and heterologous solid-phase conjugates were estimated. The cross-reactivity with TM could vary from 7 to 54%. The same indexes for of amikacin were more constant and reached 7-8%. The other aminoglycosides showed no inhibitory activity.