期刊
FOOD AND AGRICULTURAL IMMUNOLOGY
卷 31, 期 1, 页码 291-302出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/09540105.2020.1724895
关键词
Broad-specific immune-affinity columns; T-2 toxin; HT-2 toxin; UPLC-MS; MS
资金
- China Postdoctoral Science Foundation [2019M650023]
- National Natural Science Foundation of China [31871718]
- Natural science foundation of Shandong Province [ZR2017LC022]
In this work, broad-specific monoclonal antibody based immunoaffinity columns (IACs) coupled to ultra-high performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS) for purification and determination of T-2 and HT-2 toxin in maize and cherry samples. Based on broad-specific anti-T-2 monoclonal antibody, the prepared IACs could be used for both T-2 and HT-2 purification with cross reactivity values at 100% for T-2 and 108% for HT-2. Column capacity was 3.14 mu g mL(-1) gel for T-2 toxin, and 3.20 mu g mL(-1) gel for HT-2 toxin. After 10 cycles of usage at intervals of 2 days, column capacity decreased to 0.85 mu g mL(-1) gel for T-2 and 1.22 mu g mL(-1) gel for HT-2 toxin. The developed method exhibited high sensitive results with limit of detection (LOD) lower than 0.35 mu g kg(-1) and 1.42 mu g kg(-1).
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