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Enhanced detection of 4-nitrophenol in drinking water: ECL sensor utilizing velvet-like graphitic carbon nitride and molecular imprinting.
Xu, Rui; Su, Yu; Ji, Hongfei; Jiang, Man; Zhang, Ruizhong; Ding, Lan; Chen, Yanhua; Song, Daqian.
Afiliación
  • Xu R; College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China.
  • Su Y; College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China.
  • Ji H; Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China.
  • Jiang M; Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China.
  • Zhang R; Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China.
  • Ding L; College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China. Electronic address: dinglan@jlu.edu.cn.
  • Chen Y; College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China; Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, 2699 Qianjin Street, Changchun 130012, China. Electronic address: chenyanhua@jlu.edu.cn.
  • Song D; College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China; Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, 2699 Qianjin Street, Changchun 130012, China.
Food Chem ; 460(Pt 1): 140599, 2024 Dec 01.
Article en En | MEDLINE | ID: mdl-39067383
ABSTRACT
In this work, a molecularly imprinted electrochemiluminescence (ECL) sensor was developed for selective detection of 4-nitrophenol (4-NP) in drinking water for the first time. By synthesizing velvet-like graphitic carbon nitride (V-g-C3N4) via one-step thermal polycondensation and integrating it with a molecularly imprinted polymer (MIP), the ECL sensor was fabricated. The MIP-modified V-g-C3N4 composites (MIP/V-g-C3N4) were synthesized using a sol-gel method with 4-NP as the template molecule. Under optimal conditions, the ECL sensor exhibited a wide detection range (5 × 10-10-1 × 10-5 mol/L) and a low detection limit (1.8 × 10-10 mol/L). In testing with actual drinking water samples, it displayed high accuracy (recoveries for intraday and inter-day 93.50-106.2% and 97.00-107.3%, separately) and precision (RSDs for intraday and inter-day 1.54-4.59% and 1.53-4.28%, respectively). The developed MIP-based ECL sensor demonstrated excellent selectivity, stability, and reproducibility, offering a promising and reliable approach for highly sensitive and selective determination of 4-NP in drinking water.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Contaminantes Químicos del Agua / Agua Potable / Impresión Molecular / Técnicas Electroquímicas / Grafito / Nitrofenoles Idioma: En Revista: Food Chem Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Contaminantes Químicos del Agua / Agua Potable / Impresión Molecular / Técnicas Electroquímicas / Grafito / Nitrofenoles Idioma: En Revista: Food Chem Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido