DETECTION OF 2,4-DICHLOROPHENOXYACETIC ACID BY MICROTITER PARTICLE AGGLUTINATION INHIBITION TEST AND POLARIZATION FLUOROIMMUNOASSAYстатья
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Web of Science
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Дата последнего поиска статьи во внешних источниках: 27 мая 2015 г.
Авторы:
LUKIN YV,
DOKUCHAEV IM,
POLYAK IM,
EREMIN SA
Аннотация:A simple microtiter particle agglutination inhibition (MPAI) assay for detection of 2,4-dichlorphenoxyacetic acid (2,4-D) has been developed on the basis of coloured poly-acrolein latex particles sensitized with monoclonal antibodies to 2,4-D. MPAI test has been applied to the quantification of 2,4-D in water and extracts from grain and compared with the polarisation fluoroimmunoassay. The detection limit-of 2,4-dichlorphenoxyacetic acid in MPAI was 0.6 mu g/l which was about two orders higher than that of polarisation fluoroimmunoassay. The cross-reactivity of various structurally related substances was less than 10.%. Good correlation of MPAI and polarisation fluoroimmunoassay was shown when testing 2,4-D in the extracts from grain. MPAI assay is rapid, robust, easy to perform, doesn't need any instrumentation and specially trained personnel.