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In this study, new clindamycin (CLIN) artificial antigens were prepared and used to produce broad-specificity monoclonal antibodies. Based on the as-produced mAbs, a heterologous ELISA was developed to detect CLIN… Click to show full abstract
In this study, new clindamycin (CLIN) artificial antigens were prepared and used to produce broad-specificity monoclonal antibodies. Based on the as-produced mAbs, a heterologous ELISA was developed to detect CLIN and lincomycin (LIN) residues in edible animal tissues. The IC50 values of the developed assay were 0.3ng/mL (CLIN) and 1.2ng/mL (LIN) in buffer, respectively. The detection limits were estimated to be 1.8μg/kg (CLIN) and 6.8μg/kg (LIN) in bovine, chicken, porcine and fish muscles. In the spike and recovery tests, the mean recovery rate ranged from 76% to 112% at different spiked levels, and the intra-/inter-assay coefficients of variation were in the range of 7.1% to 13.2%. This method was verified using LC-MS/MS with a correlation coefficient >0.97. The developed ELISA is therefore well suited for simultaneous determination of CLIN and LIN residues in bovine, chicken, porcine and fish muscles.
Journal Title: Meat science
Year Published: 2017
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