Enzyme-Linked Immunosorbent Assay for Streptomycin in Animal Feeds

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Polyclonal antibody against streptomycin was prepared by using a streptomycin–bovine serum albumin conjugate for the immunization of rabbits. Using this antibody, we developed quantitative assays for streptomycin by means of an indirect competitive enzyme-linked immunosorbent assay (icELISA). Fifty percent inhibition concentration (IC50) for the antibody was 3.6 ng/ml. The detection limit was 0.4 ng/ml. The average of recoveries for all samples was 86.14% and the coefficients of variation of intra- and inter-assays were below 18%. The detection limit using the kit was 15 ng/ml in animal feeds.

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280-283

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January 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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