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author:

Wen, Xiaojun (Wen, Xiaojun.) [1] | Liu, Yiting (Liu, Yiting.) [2] | Zhang, Weilong (Zhang, Weilong.) [3] | You, Lijun (You, Lijun.) [4] (Scholars:游力军) | Cai, Ning (Cai, Ning.) [5] | Li, Jumei (Li, Jumei.) [6]

Indexed by:

EI Scopus SCIE

Abstract:

In this research, we fabricated an innovative NiO/CN/Ag composite through the straightforward electrostatic assembly of Ag nanoparticles and g-C3N4 sheets onto NiO nanoflowers. This composite enables both surface enhanced Raman spectroscopy (SERS) detection and photo-degradation of pesticides. The results reveal NiO/CN/ Ag can quantitatively detect thiram (TRM) and diquat dibromide (DQDB) in water, with a limit of detection (LOD) of 10-9 M, and also exhibit outstanding photo-degradation efficiency, exceeding 95 % for TRM and DQDB within 90 min under simulated sunlight. Significantly, after the organic reagent (citric acid) on NiO/CN/Ag was completely removed through simulated solar irradiation, the signal-to-noise ratios of SERS spectra on NiO/CN/ Ag were enhanced, achieving LODs of 10- 8 M for TRM and DQDB in different fruit juices and dried flower teas. Additionally, the composite demonstrate impressive recyclability, maintaining robust SERS signals and high degradation rates even after five cycles of "detection-degradation" processes.

Keyword:

Electrostatic self-assembly Pesticide residue Photo-degradation Recyclable sensing SERS

Community:

  • [ 1 ] [Wen, Xiaojun]Wuhan Inst Technol, Sch Chem & Environm Engn, Wuhan 430205, Peoples R China
  • [ 2 ] [Liu, Yiting]Wuhan Inst Technol, Sch Chem & Environm Engn, Wuhan 430205, Peoples R China
  • [ 3 ] [Zhang, Weilong]Wuhan Inst Technol, Sch Chem & Environm Engn, Wuhan 430205, Peoples R China
  • [ 4 ] [Li, Jumei]Wuhan Inst Technol, Sch Chem & Environm Engn, Wuhan 430205, Peoples R China
  • [ 5 ] [You, Lijun]Fuzhou Univ, Coll Biol Sci & Engn, Fuzhou 350116, Peoples R China
  • [ 6 ] [Cai, Ning]Wuhan Inst Technol, Sch Chem Engn & Pharm, Wuhan 430205, Peoples R China

Reprint 's Address:

  • [Li, Jumei]Wuhan Inst Technol, Sch Chem & Environm Engn, Wuhan 430205, Peoples R China

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Source :

FOOD CHEMISTRY

ISSN: 0308-8146

Year: 2025

Volume: 464

8 . 5 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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