New Electrodes Materials for Electroanalytical Applications

A special issue of Chemosensors (ISSN 2227-9040). This special issue belongs to the section "Materials for Chemical Sensing".

Deadline for manuscript submissions: 31 January 2026 | Viewed by 943

Special Issue Editors

Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10 Pardubice, Czech Republic
Interests: molecular electrochemistry; green composite electrode materials; biomimetic catalysis; enzymatic sensors; flow injection analysis; food safety control
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Guest Editor
Centro de Investigação de Montanha (CIMO), ESA, Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
Interests: electrochemical sensor technology; electronic tongues and aptasensors; food science and technology; geographical origin assessment; quality control; adulteration detection; biomedical applications; biomarkers detection
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

There is currently a great deal of interest in the development of electroanalytical devices that could be applied in various disciplines, namely food, pharmaceutical, clinical, environmental, and forensic analyses. The gradual miniaturization of analytical instruments and the low costs required to acquire them make electroanalytical approaches a suitable tool for the development of screening assays used in field monitoring.

This Special Issue will include original research papers, review articles, and short communications describing new electrode materials and their characterization. Through creating this Special Issue, we hope to contribute to the development of sophisticated electrochemical sensors applicable in the above-mentioned industries.

Dr. Milan Sys
Dr. António M. Peres
Guest Editors

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Keywords

  • characterization of new electrode materials
  • electrochemical sensor technology
  • electrode surface modification
  • electrochemical transducers for biosensing
  • electroanalytical applications

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Published Papers (1 paper)

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Research

13 pages, 1122 KiB  
Article
Using Polyvinyl Chloride and Screen-Printed Electrodes for the Determination of Levofloxacin in the Presence of Its Main Photo-Degradants in River Water: A Comparative Study
by Alhumaidi B. Alabbas and Sherif A. Abdel-Gawad
Chemosensors 2025, 13(2), 28; https://doi.org/10.3390/chemosensors13020028 - 22 Jan 2025
Viewed by 652
Abstract
The application of membrane sensors for the detection and quantification of pharmaceutical environmental contaminants has become a significant goal in recent years. Due to the widespread application of levofloxacin hemihydrate (LEVO) in medicine, its occurrence in the environment, especially in surface water bodies [...] Read more.
The application of membrane sensors for the detection and quantification of pharmaceutical environmental contaminants has become a significant goal in recent years. Due to the widespread application of levofloxacin hemihydrate (LEVO) in medicine, its occurrence in the environment, especially in surface water bodies like rivers, is quite likely. Extended exposure of river water to sunlight and the photo-degradability of LEVO may facilitate its photo-degradation. To measure LEVO in the presence of its principal photo-degradants, two sensitive and selective membrane electrodes were designed. A polyvinyl chloride electrode (PVCE) and a screen-printed electrode (SPE) were constructed for the selective analysis of the investigated drug. Phosphomolybdic acid was used to prepare a lipophilic ion pair with the studied drug. All test parameters were optimized to achieve the best electrochemical performance. The electrodes demonstrated a linear range from 1 × 10−6 M to 1 × 10−2 M. The PVCE and SPE demonstrated slopes of 55.80 ± 0.70 mV/decade and 56.90 ± 0.50 mV/decade, respectively. The aforementioned sensors demonstrated satisfactory performance within a pH range of 3.0 to 5.0. The fabricated sensors were successfully utilized to accurately quantify LEVO in the presence of its primary photo-degradants. The membranes were effectively utilized to measure LEVO in river water samples without requiring pre-treatment processes. Full article
(This article belongs to the Special Issue New Electrodes Materials for Electroanalytical Applications)
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