Document Detail

Development and validation of an immunochromatographic assay for the rapid detection of quinoxaline-2-carboxylic acid, the major metabolite of carbadox in the edible tissues of pigs.
MedLine Citation:
PMID:  22423958     Owner:  NLM     Status:  Publisher    
A new method was developed for the determination of quinoxaline-2-carboxylic acid, the marker residue of carbadox, in the edible tissues of food-producing animals using a colloidal gold probe-based immunochromatographic assay. The highly specific polyclonal antibody (PcAb), which was very sensitive to N-butylquinoxaline-2-carboxylic acid (BQCA) with an IC(50) value of 2.38 ng ml(-1), was selected for the development of an immunochromatographic assay (ICA). Only 5 min were required to perform this assay; it had a visual detection limit of 25 ng g(-1) for quinoxaline-2-carboxylic acid. The results of the analysis of quinoxaline-2-carboxylic acid in animal tissues using the immunochromatographic assay showed good agreement with those obtained by HPLC. In conclusion, the method was rapid and accurate for screening residues of carbadox in the edible tissues of food-producing animals.
T Le; J Xu; Y-Y Jia; H-Q He; X-D Niu; Y Chen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-2-1
Journal Detail:
Title:  Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment     Volume:  -     ISSN:  1944-0057     ISO Abbreviation:  -     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-3-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101485040     Medline TA:  Food Addit Contam Part A Chem Anal Control Expo Risk Assess     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
a College of Life Science, Chongqing Normal University , Chongqing 401331 , China.
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