Journal
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART B-PESTICIDES FOOD CONTAMINANTS AND AGRICULTURAL WASTES
Volume 48, Issue 6, Pages 486-494Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/03601234.2013.761908
Keywords
Penicillins; 6-aminopenicillanic acid; monoclonal antibody; heterologous enzyme immunoassay; milk
Funding
- Hebei Scientific and Technology Project [12220402D]
- Hebei Natural Science Foundation [C20112 04021]
- Shijiazhuang Scientific and Technological Project [11150252A]
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The objective of this study was to produce a generic monoclonal antibody for determination of penicillins residues in milk. The compound 6-aminopenicillanic acid was used as the template to synthesize two novel generic haptens that were used to produce the monoclonal antibodies. The obtained monoclonal antibodies simultaneously recognized 11 penicillin drugs (amoxicillin, ampicillin, penicillin G, penicillin V, sulbenicillin, carbencillin, methicillin, cloxacillin, dicloxacillin, oxacillin, and nafcillin). After evaluation of different reagent combinations, a heterologous indirect competitive enzyme immunoassay was developed to multi-determine the 11 drugs in milk. The crossreactivities to the 11 drugs were in a range of 16%117% and the limits of detection were in a range of 0.79.3ng/mL depending on the drug. The recoveries from the fortified blank milk were in a range of 77.6%99.4% with coefficients of variation lower than 13.5%. This method could be used as a rapid screen tool for routine monitoring the residues of the 11 penicillin drugs in animal derived foods.
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