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Facile Colorimetric Nanozyme Sheet for the Rapid Detection of Glyphosate in Agricultural Products Based on Inhibiting Peroxidase-Like Catalytic Activity of Porous Co3O4 Nanoplates.
Luo, Danqiu; Huang, Xiaohuan; Liu, Bangyan; Zou, Wenying; Wu, Yuangen.
Afiliación
  • Luo D; Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, School of Liquor and Food Engineering, Guizhou University, Huaxi District, Guiyang 550025, China.
  • Huang X; Comprehensive Technology Center of Guiyang Customs District, Qianlingshan Road 268, Guanshanhu District, Guiyang 550081, China.
  • Liu B; Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, School of Liquor and Food Engineering, Guizhou University, Huaxi District, Guiyang 550025, China.
  • Zou W; Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, School of Liquor and Food Engineering, Guizhou University, Huaxi District, Guiyang 550025, China.
  • Wu Y; Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, School of Liquor and Food Engineering, Guizhou University, Huaxi District, Guiyang 550025, China.
J Agric Food Chem ; 69(11): 3537-3547, 2021 Mar 24.
Article en En | MEDLINE | ID: mdl-33721998
The rapid and onsite detection of glyphosate herbicides in agricultural products is still a challenge. Herein, a novel colorimetric nanozyme sheet for the rapid detection of glyphosate has been successfully prepared through the physical adsorption of porous Co3O4 nanoplates on a polyester fiber membrane. Glyphosate can specifically inhibit the peroxidase-mimicking catalytic activity of porous Co3O4 nanoplates, thereby the visual detection of glyphosate can be realized by distinguishing the change in the color intensity of the established nanozyme sheet. The prepared nanozyme sheet has good sensitivity and selectivity, with a detection limit of 0.175 mg·kg-1 for glyphosate detection just by the naked eyes. It can effectively detect glyphosate within 10 min, and the color spots can maintain more than 20 min. The nanozyme sheet is not easily affected by the external environment in detection and storage. The merits of the nanozyme sheet facilitate its practical application in the large-scale preliminary screening of glyphosate residues in agricultural products.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Colorimetría / Peroxidasa Tipo de estudio: Diagnostic_studies Idioma: En Revista: J Agric Food Chem Año: 2021 Tipo del documento: Article País de afiliación: China Pais de publicación: Estados Unidos
Texto completo
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Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Colorimetría / Peroxidasa Tipo de estudio: Diagnostic_studies Idioma: En Revista: J Agric Food Chem Año: 2021 Tipo del documento: Article País de afiliación: China Pais de publicación: Estados Unidos