AI Article Synopsis
- Diflubenzuron is a commonly used insecticide, and monitoring its residues in food and the environment is important for human health.
- A new electrochemical sensor made from a core-shell structure of Cu/CuO/CuO@C was created to effectively detect diflubenzuron, showing a linear response over a specified concentration range.
- The sensor proved to have high stability, reproducibility, and the ability to differentiate diflubenzuron in food and environmental samples, demonstrating successful application in practical scenarios.
Article Abstract
Diflubenzuron is widely used as a benzoylurea insecticide, and its impact on human health should not be underestimated. Therefore, the detection of its residues in food and the environment is crucial. In this paper, octahedral Cu-BTB was fabricated using a simple hydrothermal method. It served as a precursor for synthesizing Cu/CuO/CuO@C with a core-shell structure through annealing, creating an electrochemical sensor for the detection of diflubenzuron. The response of Cu/CuO/CuO@C/GCE, expressed as ΔI/I exhibited a linear correlation with the logarithm of the diflubenzuron concentration ranging from 1.0 × 10 to 1.0 × 10 mol·L. The limit of detection (LOD) was determined to be 130 fM using differential pulse voltammetry (DPV). The electrochemical sensor demonstrated excellent stability, reproducibility, and anti-interference properties. Moreover, Cu/CuO/CuO@C/GCE was successfully employed to quantitatively determine diflubenzuron in actual food samples (tomato and cucumber) and environmental samples (Songhua River water, tap water, and local soil) with good recoveries. Finally, the possible mechanism of Cu/CuO/CuO@C/GCE for monitoring diflubenzuron was thoroughly investigated.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/j.foodchem.2023.136802 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Ultrafine metal-organic framework @ graphitic carbon with MoS-CNTs nanocomposites as carbon-based electrochemical sensor for ultrasensitive detection of catechin in beverages.
Mikrochim Acta
December 2024
Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, 411105, People's Republic of China.
GO/Co-MOF/PPy-350 (GPC-350) was synthesized by in situ growth of ultrafine Co-MOF on graphene oxide (GO), followed by encapsulation with polypyrrole (PPy) and calcination at 350.0℃. Meanwhile, MoS-MWCNTs (MoS-CNTs) were produced via the in situ synthesis of MoS within multi-walled carbon nanotubes (MWCNTs).
View Article and Find Full Text PDFEnhanced Electrochemical Detection of Valganciclovir Using a Hierarchically Structured Lisianthus Flower-Inspired Bimetallic Ni-Ce Organic Framework.
Langmuir
December 2024
Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
This study reports the development of an innovative electrochemical sensor based on organometallic framework nanostructures for detecting valganciclovir (VLCV). VLCV is employed in the treatment of cytomegalovirus retinitis in AIDS patients. Rational design of nanoarchitectures for electroactive materials is a crucial approach for boosting their electrocatalytic performance.
View Article and Find Full Text PDFElectrochemical polymerized DL-phenylalanine modified carbon nanotube sensor for the selective and sensitive determination of caffeic acid with riboflavin.
Sci Rep
December 2024
Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano, 77, 38123, Trento, Italy.
In this study, DL-phenylalanine modified with a multiwall carbon nanotube paste electrode is used as advanced electrochemical sensor for analysing of 0.1 mM caffeic acid (CFA) with simultaneous detection of riboflavin (RFN). The developed sensors include electrochemically polymerized DL-phenylalanine (DL-PA) modified multiwall carbon nanotube paste electrode [DL-PAMMCNTPE] and bare multiwall carbon nanotube paste electrode [BMCNTPE].
View Article and Find Full Text PDFDual-biased metal oxide electrolyte-gated thin-film transistors for enhanced protonation in complex biofluids.
Sci Rep
December 2024
Department of Electrical and Computer Engineering, Ajou University, Suwon, 16499, Republic of Korea.
pH sensing technology is pivotal for monitoring aquatic ecosystems and diagnosing human health conditions. Indium-gallium-zinc oxide electrolyte-gated thin-film transistors (IGZO EGTFTs) are highly regarded as ion-sensing devices due to the pH-dependent surface chemistry of their sensing membranes. However, applying EGTFT-based pH sensors in complex biofluids containing diverse charged species poses challenges due to ion interference and inherently low sensitivity constrained by the Nernst limit.
View Article and Find Full Text PDFCarbon-based light addressable potential aptasensor based on the synergy of C-MXene@rGO and OPD@NGQDs for low-density lipoprotein detection.
Mikrochim Acta
December 2024
School of Life and Environmental Sciences, School of Intellectual Property, Guilin University of Electronic Technology, Guilin, Guangxi, 541004, People's Republic of China.
A novel carbon-based light-addressable potentiometric aptasensor (C-LAPS) was constructed for detection low-density lipoprotein (LDL) in serum. Carboxylated TiC MXene @reduced graphene oxide (C-MXene@rGO) was used as interface and o-phenylenediamine functionalized nitrogen-doped graphene quantum dots (OPD@NGQDs) as the photoelectric conversion element. The photosensitive layers composed of OPD@NGQDs/C-MXene@rGO exhibit superior photoelectric conversion efficiency and excellent biocompatibility, which contribute to an improved response signal.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!