Fluorescence detection of 2,4-dichlorophenoxyacetic acid by ratiometric fluorescence imaging on paper-based microfluidic chips
Zhang, Zhong; Ma, Xin; Li, Bowei; Zhao, Jia; Qi, Ji; Hao, Guoying; Rong Jianhui; Yang, Xingbin
Source PublicationANALYST
2020-02-07
Volume145Issue:3Pages:963-974
KeywordMOLECULARLY IMPRINTED POLYMER SOLID-PHASE EXTRACTION QUANTUM DOTS LIQUID-CHROMATOGRAPHY SENSOR VEGETABLES FRUITS
MOST Discipline CatalogueChemistry, Analytical
DOI10.1039/c9an01798d
Contribution Rank[Zhang, Zhong; Ma, Xin; Hao, Guoying; Yang, Xingbin] Shaanxi Normal Univ, Shaanxi Engn Lab Food Green Proc Safety Control, Xian 710119, Shanxi, Peoples R China; [Zhang, Zhong; Ma, Xin; Hao, Guoying; Yang, Xingbin] Shaanxi Normal Univ, Coll Food Engn & Nutr Sci, Xian 710119, Shanxi, Peoples R China; [Zhang, Zhong; Zhao, Jia; Rong Jianhui] Univ Hong Kong, Li Ka Shing Fac Med, Sch Chinese Med, Pokfulam, 10 Sassoon Rd, Hong Kong, Peoples R China; [Zhang, Zhong; Li, Bowei; Qi, Ji] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China
Department海岸带生物学与生物资源保护实验室
AbstractFluorescence detection of pesticide contamination enables timely control of food safety. This study aims to construct novel and facile microfluidic paper-based analytical devices for the ratiometric fluorescence determination of pesticides. Through fluorescence resonance energy transfer (FRET) of nitrobenzoxadiazole (NBD) and CdTe quantum dots (QDs), the new microfluidic paper chips allowed the rapid and selective visual detection of 2,4-dichlorophenoxyacetic acid (2,4-D). The performance changes of the fluorescent material on solid matrix material were studied in detail. The sensor products exhibited visual observability and fluorescence characteristics. Under optimized conditions, the sensors showed satisfactory linearity in the range of 0.56-80 mu M, and achieved detection limits as low as 90 nM. The sensors were successfully applied for soybean sprouts and lake water samples. Four levels of spiked-in 2,4-D concentrations were obtained with high recovery rates ranging from 86.2% to 109.5% and the RSD less than 4.19%. Thus, the present work described the integration of surface imprinted grafts on cellulose paper and ratiometric fluorescence techniques for highly sensitive separation and detection of pesticides in real food and environmental samples. Ultimately, this study paved the way for the development of novel ratiometric fluorescence detection to address food safety and environmental issues.
SubtypeArticle
Indexed BySCI
Language英语
WOS KeywordMOLECULARLY IMPRINTED POLYMER ; SOLID-PHASE EXTRACTION ; QUANTUM DOTS ; LIQUID-CHROMATOGRAPHY ; SENSOR ; VEGETABLES ; FRUITS
WOS IDWOS:000528803100024
Funding OrganizationNational Natural Science Foundation of ChinaNational Natural Science Foundation of China [31701705, 31671823, 41776110, 21778046] ; Hong Kong Scholars Program [XJ2017060] ; General Research Fund (GRF) [17120915] ; Fundamental Research Fund of the Central University [GK201803084] ; Key Laboratory of Coastal Environmental Process and Ecological Restoration [2018KFJJ01]
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/25088
Collection海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室
Affiliation1.Shaanxi Normal Univ, Shaanxi Engn Lab Food Green Proc Safety Control, Xian 710119, Shanxi, Peoples R China;
2.Shaanxi Normal Univ, Coll Food Engn & Nutr Sci, Xian 710119, Shanxi, Peoples R China;
3.Univ Hong Kong, Li Ka Shing Fac Med, Sch Chinese Med, Pokfulam, 10 Sassoon Rd, Hong Kong, Peoples R China;
4.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Zhong,Ma, Xin,Li, Bowei,et al. Fluorescence detection of 2,4-dichlorophenoxyacetic acid by ratiometric fluorescence imaging on paper-based microfluidic chips[J]. ANALYST,2020,145(3):963-974.
APA Zhang, Zhong.,Ma, Xin.,Li, Bowei.,Zhao, Jia.,Qi, Ji.,...&Yang, Xingbin.(2020).Fluorescence detection of 2,4-dichlorophenoxyacetic acid by ratiometric fluorescence imaging on paper-based microfluidic chips.ANALYST,145(3),963-974.
MLA Zhang, Zhong,et al."Fluorescence detection of 2,4-dichlorophenoxyacetic acid by ratiometric fluorescence imaging on paper-based microfluidic chips".ANALYST 145.3(2020):963-974.
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