Abstract
Amantadine (AMD) is a prohibitive veterinary medicine in the entire world. In this study, a sensitive colloidal gold immunochromatographic assay (CGICA) was established for the rapid semi-quantitative detection of AMD in chicken muscle. Under optimal conditions, the detection results were obtained in 12min with a limit of detection for 1.80ng/mL. CGICA presented a good linear range from 2.5ng/mL to 25ng/mL, with only 11.5% cross-reactivity with rimantadine. The recovery rates for the fortified samples were ranged from 81% to 120%. The coefficient of variation of the intra-assay and inter-assay was less than 15%. The accuracy of CGICA was confirmed by systematically comparing the result of the proposed method with enzyme-linked immunosorbent assay and ultra-high-performance liquid chromatography–tandem mass spectrometry. Given the advantages of its simplicity, convenience, and speediness, the proposed CGICA is suitable for the on-site rapid detection of AMD in chicken muscle.
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