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Development of Fluorescence Polarization Immunoassay for Imidacloprid in Environmental and Agricultural Samplesстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 30 декабря 2020 г.
- Авторы: Zhou Liangliang, Jiachuan Yang, Zhexuan Tao, Sergei A.Eremin, Xiude Hua, Minghua Wang
- Журнал: Frontiers in Chemistry
- Том: 8
- Год издания: 2020
- Номер статьи: 615594
- DOI: 10.3389/fchem.2020.615594
- Аннотация: A fluorescence polarization immunoassay (FPIA) for the determination of imidacloprid (IMI) was developed with advantages of simple operation and short assay time. The haptens of IMI, acetamiprid (ACE), and thiamethoxam (THI) were conjugated with fluorescein isothiocyanate ethylenediamine (EDF) and 4?-Aminomethyl fluorescein (AMF), respectively, to prepare six fluorescence tracers. The conjugation of IMI hapten and EDF (IMI-EDF) was selected to develop the FPIA due to the largest fluorescent polarization value increase in the presence of anti-IMI monoclonal antibody. Under the optimum condition, the limit of detection, 50% inhibition concentration and detection range of the FPIA were 1.7, 4.8, and 1.7–16.3 ?g/L, respectively. The cross-reactivities (CRs) with the analogs of IMI were negligible except for imidaclothiz with CR of 79.13%. The average recovery of spiked paddy water, corn and cucumber samples were 82.4–118.5% with the RSDs of 7.0–15.9%, which indicated the FPIA had good accuracy. Thus, the developed FPIA was a potential tool for the rapid and accurate determination of IMI in agricultural and environmental samples.
- Добавил в систему: Еремин Сергей Александрович
Прикрепленные файлы
| № | Имя | Описание | Имя файла | Размер | Добавлен |
|---|---|---|---|---|---|
| 1. | 20_FrontChem8_615594_Imida.pdf | 20_FrontChem8_615594_Imida.pdf | 521,3 КБ | 24 декабря 2020 [Sergei_A_EREMIN] |