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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 23, Number 8
BKCSDE 23(8)
August 20, 2002

Title	Production and Characterization of Monoclonal Antibodies to a Generic Hapten for Class-Specific Determination of Organophosphorus Pesticides
Author	Mi Soon Jang, Soo Jung Lee, Xiaoping Xue, Hyuk-Man Kwon, Choon Sup Ra, Yong Tae Lee, Taeowan Chung
Keywords	Organophosphorus pesticides, Class-specific determination, Enzyme-linked immunosorbent assay, ELISA, Monoclonal antibodies
Abstract	Monoclonal antibodies have been generated against a generic hapten, ο,ο-diethyl ο-(5-carboxy-2-fluorophenyl) phosphorothioate, for the determination of organophosphorus (OP) pesticides in a class-specific manner. In an indirect competitive enzyme-linked immunosorbent assay (ELISA) format, employing a heterologous coating antigen, these monoclonal antibodies showed desirable properties for use in the class-specific determination, i.e., broad specificity and high sensitivity. The IC₅₀ values of four commonly used ο,ο-diethyl OP pesticides were fairly uniform ranging from 0.1 to 0.3 ㎛/mL. The IC₅₀ values of three ο,ο-dimethyl derivatives were between 0.3 and 1.4 ㎛/mL. These values, together with the limits of detection (LOD), were better, in terms of the specificity and sensitivity, compared with the values obtained previously with polyclonal antibodies.
Page	1116 - 1120
Full Text	PDF

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