Electrochemical Sensors and Biosensors for Environmental Detection

A special issue of Chemosensors (ISSN 2227-9040). This special issue belongs to the section "Electrochemical Devices and Sensors".

Deadline for manuscript submissions: 31 August 2024 | Viewed by 1081

Special Issue Editor


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Guest Editor
Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, Taipei 106, Taiwan
Interests: environmental contaminants monitoring; electrochemical sensor; photocatalysis; deep eutectic solvents; advanced functional nanomaterial synthesis
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Special Issue Information

Dear Colleagues,

This Special Issue, titled “Electrochemical Sensors and Biosensors for Environmental Detection”, focuses on the development and application of cutting-edge electrochemical biosensor technology in environmental monitoring and analysis. Electrochemical biosensors are powerful tools that combine the specificity of biological recognition elements with the sensitivity of electrochemical transducers to detect and quantify various environmental analytes. This Special Issue explores a wide range of topics, including sensor design, fabrication, electrode material and optimization, as well as their utilization for the detection of pollutants, pathogens, and other environmental contaminants. The research articles to be published in this Special Issue should delve into the advances of sensor materials, immobilization techniques, and signal amplification methods, contributing to the development of highly selective and sensitive biosensors for environmental monitoring. These biosensors play a critical role in ensuring environmental safety, sustainable resource management, and the protection of ecosystems.

Dr. Balasubramanian Sriram
Guest Editor

Manuscript Submission Information

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Keywords

  • electrochemical biosensors
  • environmental monitoring
  • sensor design
  • sensor fabrication
  • analyte quantification
  • environmental contaminants
  • sensor materials
  • biological recognition elements
  • immobilization techniques
  • signal amplification

Published Papers (1 paper)

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Research

14 pages, 1631 KiB  
Article
Hydrothermally Synthesized Cerium Phosphate with Functionalized Carbon Nanofiber Nanocomposite for Enhanced Electrochemical Detection of Hypoxanthine
by Prashant K. Kasare and Sea-Fue Wang
Chemosensors 2024, 12(5), 84; https://doi.org/10.3390/chemosensors12050084 - 16 May 2024
Viewed by 154
Abstract
This work presents the detection of hypoxanthine (HXA), a purine derivative that is similar to nucleic acids who overconsumption can cause health issues, by using hydrothermally synthesized cerium phosphate (CePO4) followed by a sonochemical approach for CePO4 decorated with a [...] Read more.
This work presents the detection of hypoxanthine (HXA), a purine derivative that is similar to nucleic acids who overconsumption can cause health issues, by using hydrothermally synthesized cerium phosphate (CePO4) followed by a sonochemical approach for CePO4 decorated with a functionalized carbon nanofiber (CePO4@f-CNF) nanocomposite. The formation of the nanocomposite was confirmed with X-ray powder diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive spectroscopy (EDS). A CePO4@f-CNF nanocomposite is used to modify a glassy carbon electrode (GCE) to analyze the electrochemical detection of HXA. Cyclic voltammetry (CV), Electrochemical impedance spectroscopy (EIS), and Differential pulse voltammetry (DPV) were used to examine the electrochemical properties of the composite. As a result, the modified electrode exhibits a larger active surface area (A = 1.39 cm2), a low limit of detection (LOD) at 0.23 µM, a wide linear range (2.05–629 µM), and significant sensitivity. Therefore, the CePO4@f-CNF nanocomposite was used to study the real-time detection in chicken and fish samples, and it depicted significant results. Full article
(This article belongs to the Special Issue Electrochemical Sensors and Biosensors for Environmental Detection)
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