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Ti3C2 MXene/MoS2@AuNPs ternary nanocomposite for highly sensitive electrochemical detection of phoxim residues in fruits.
Zhang, Jiani; Guo, Xiaohui; Zhang, Jian; Guo, Xiaobing; Xu, Yuying; Chen, Lijuan.
Afiliación
  • Zhang J; School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, China; Guangdong Engineering Technology Research Center for Photoelectric Sensing Materials & Devices, Guangzhou Key Laboratory of Sensing Materials & Devices, Center for Advanced Analytical Science, School
  • Guo X; Guangdong Engineering Technology Research Center for Photoelectric Sensing Materials & Devices, Guangzhou Key Laboratory of Sensing Materials & Devices, Center for Advanced Analytical Science, School of Chemistry and Chemical Engineering, School of Mechanical and Electrical Engineering, Guan
  • Zhang J; School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, China; Key Laboratory of Agricultural Product Processing and Quality Control of Specialty (Co-construction by Ministry and Province), Shihezi, Xinjiang 832003, China; Key Laboratory for Food Nutrition and Safety Con
  • Guo X; School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, China; Key Laboratory of Agricultural Product Processing and Quality Control of Specialty (Co-construction by Ministry and Province), Shihezi, Xinjiang 832003, China; Key Laboratory for Food Nutrition and Safety Con
  • Xu Y; School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, China; Guangdong Engineering Technology Research Center for Photoelectric Sensing Materials & Devices, Guangzhou Key Laboratory of Sensing Materials & Devices, Center for Advanced Analytical Science, School
  • Chen L; Guangdong Engineering Technology Research Center for Photoelectric Sensing Materials & Devices, Guangzhou Key Laboratory of Sensing Materials & Devices, Center for Advanced Analytical Science, School of Chemistry and Chemical Engineering, School of Mechanical and Electrical Engineering, Guan
Food Chem ; 462: 140939, 2025 Jan 01.
Article en En | MEDLINE | ID: mdl-39208731
ABSTRACT
Phoxim, extensively utilized in agriculture as an organothiophosphate insecticide, has the potential to cause neurotoxicity and pose human health hazards. In this study, an electrochemical enzyme biosensor based on Ti3C2 MXene/MoS2@AuNPs/AChE was constructed for the sensitive detection of phoxim. The two-dimensional multilayer structure of Ti3C2 MXene provides a robust framework for MoS2, leading to an expansion of the specific surface area and effectively preventing re-stacking of Ti3C2 MXene. Additionally, the synergistic effect of self-reduced grown AuNPs with MoS2 further improves the electrical conductivity of the composites, while the robust framework provides a favorable microenvironment for immobilization of enzyme molecules. Ti3C2 MXene/MoS2@AuNPs electrochemical enzyme sensor showed a significant response to phoxim in the range of 1 × 10-13 M to 1 × 10-7 M with a detection limit of 5.29 × 10-15 M. Moreover, the sensor demonstrated excellent repeatability, reproducibility, and stability, thereby showing its promising potential for real sample detection.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Compuestos Organotiofosforados / Titanio / Técnicas Biosensibles / Nanocompuestos / Nanopartículas del Metal / Técnicas Electroquímicas / Frutas / Oro Idioma: En Revista: Food Chem Año: 2025 Tipo del documento: Article Pais de publicación: Reino Unido
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Compuestos Organotiofosforados / Titanio / Técnicas Biosensibles / Nanocompuestos / Nanopartículas del Metal / Técnicas Electroquímicas / Frutas / Oro Idioma: En Revista: Food Chem Año: 2025 Tipo del documento: Article Pais de publicación: Reino Unido