Determination of Dicofol in Tea Using Surface-Enhanced Raman Spectroscopy Coupled Chemometrics.

Qian Ke, Limei Yin, Heera Jayan, Hesham R El-Seedi, Paula L Gómez, Stella M Alzamora, Xiaobo Zou, Zhiming Guo

Abstract read

In one paragraph

Article in Molecules (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

8 authors.

Qian KeSchool of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.

Limei YinSchool of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.

Heera JayanSchool of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.

Hesham R El-SeediPharmacognosy Group, Department of Pharmaceutical Biosciences, BMC, Uppsala University, P.O. Box 591, SE 751 24 Uppsala, Sweden.

Paula L GómezConsejo Nacional de Investigaciones Cientificasy Tecnicas (CONICET), University of Buenos Aires, Ciudad Autónoma de Buenos Aires C1428EGA, Argentina.

Stella M AlzamoraConsejo Nacional de Investigaciones Cientificasy Tecnicas (CONICET), University of Buenos Aires, Ciudad Autónoma de Buenos Aires C1428EGA, Argentina.

Xiaobo ZouChina Light Industry Key Laboratory of Food Intelligent Detection & Processing, Jiangsu University, Zhenjiang 212013, China.

Zhiming GuoSchool of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.ORCID 0000-0001-6416-7457

Funding

Ministry of Science and Technology of the People's Republic of China No. 2022YFD2100604

6 · The paper itself

Abstract

Dicofol is a highly toxic residual pesticide in tea, which seriously endangers human health. A method for detecting dicofol in tea by combining stoichiometry with surface-enhanced Raman spectroscopy (SERS) technology was proposed in this study. AuNPs were prepared, and silver shells were grown on the surface of AuNPs to obtain core-shell Au@AgNPs. Then, the core-shell Au@AgNPs were attached to the surface of a PDMS membrane by physical deposition to obtain a Au@AgNPs/PDMS substrate. The limit of detection (LOD) of this substrate for 4-ATP is as low as 0.28 × 10

Indexed as

Metal NanoparticlesSpectrum Analysis, RamanChemometricsDicofolGoldHumansTeaDicofolGoldTeaAu@AgNPs/PDMSchemometricsdicofolSERStea

Identifiers

PMID37513164

DOI10.3390/molecules28145291

PMCPMC10386380

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