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Chemosensors
Special Issues
Electrochemical Sensors and Biosensors for Food, Environmental and Biomedical Analysis
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Electrochemical Sensors and Biosensors for Food, Environmental and Biomedical Analysis

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

Deadline for manuscript submissions: 16 March 2025 | Viewed by 2608

Special Issue Editors

Prof. Dr. Lucas Franco Ferreira

E-Mail Website
Guest Editor
Institute of Science and Technology, Federal University of the Jequitinhonha and Mucuri Valleys, UFVJM, Diamantina 39100-000, MG, Brazil
Interests: electrochemistry; electroanalysis; electrosynthesis; modified electrodes; biosensors; electrochemical sensors; low-cost disposable electrodes
Dr. Diego Leoni Franco

E-Mail Website
Guest Editor
Institute of Chemistry, Federal University of Uberlândia, UFU, Patos de Minas 38700-128, MG, Brazil
Interests: electropolymerization; modified electrodes; quartz crystal electrochemical microbalance; biosensors; sensors

Special Issue Information

Dear Colleagues,

Electrochemical sensors and biosensors are indispensable tools for environmental, food, and clinical analyses because of their ability to detect and quantify substances in complex samples accurately and efficiently.

This Special Issue highlights the most recent research and advances in the field of electrochemical sensing, emphasizing its significant influence on improving analytical techniques across a wide range of sectors. The articles presented in this Special Issue demonstrate the convergence of electrochemistry and sensor and biosensor technology from food analyses to environmental pollutant monitoring and early biomedical diagnosis.

Submissions are open for both review articles and original research papers addressing, but not limited to, the following areas related to food, environmental, and biomedical analyses:

  • Innovative electrochemical sensor design;
  • Technologies for the development of point-of-care electrochemical devices;
  • Integration of artificial intelligence in electrochemical biosensing;
  • Novel materials and bioreceptors for applications in electrochemical sensors and biosensors;
  • Emerging applications in food analysis, environmental monitoring, and biomedical analysis.

Prof. Dr. Lucas Franco Ferreira
Dr. Diego Leoni Franco
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Chemosensors is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • electrochemical sensors
  • electrochemical biosensors
  • analytical chemistry
  • food safety
  • environmental monitoring
  • biomedical analysis
  • sensing technologies
  • signal transduction
  • point-of-care diagnostics
  • nanostructured materials

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  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • e-Book format: Special Issues with more than 10 articles can be published as dedicated e-books, ensuring wide and rapid dissemination.

Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

16 pages, 8860 KiB  
Article
Lithium Niobate Perovskite as the Support for Silver Nanoparticles for Non-Enzymatic Electrochemical Detection of Glucose
by Claudia Ivone Piñón-Balderrama, Atenea Manríquez-Tristán, María Cristina Maldonado-Orozco, Claudia Alejandra Hernández-Escobar, Simón Yobanny Reyes-López, León Francisco Espinosa-Cristobal and Erasto Armando Zaragoza-Contreras
Chemosensors 2024, 12(10), 210; https://doi.org/10.3390/chemosensors12100210 - 15 Oct 2024
Viewed by 766
Abstract
Lithium niobate perovskite and silver nanoparticle-based nanocomposites (LNB:AgNPs) were explored for developing an electrochemical glucose sensor. The perovskite to silver nanoparticle ratios investigated were 4:1, 1:1, 1:2, 2:1, and 1:4. Among these, the 4:1 ratio, with the lowest silver content, demonstrated the most [...] Read more.
Lithium niobate perovskite and silver nanoparticle-based nanocomposites (LNB:AgNPs) were explored for developing an electrochemical glucose sensor. The perovskite to silver nanoparticle ratios investigated were 4:1, 1:1, 1:2, 2:1, and 1:4. Among these, the 4:1 ratio, with the lowest silver content, demonstrated the most stable performance during glucose quantification via amperometry. The sensor’s response was evaluated measuring the current at a fixed potential of 0.7 V following the injection of 1 mM glucose with each addition. The calibration curve obtained from the recorded data exhibited a linear response within the 1 to 15 mM glucose concentration range, achieving a sensitivity of 2 μA/mM, a high correlation coefficient (R2 = 0.997), and a limit of detection (LOD) of 0.5 µM. The LNB4:1AgNP composite allowed taking advantage of the unique properties of both components in a balanced manner, maximizing the sensor performance in practical applications. Full article
(This article belongs to the Special Issue Electrochemical Sensors and Biosensors for Food, Environmental and Biomedical Analysis)
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14 pages, 3066 KiB  
Article
Coffee Biomass-Based Carbon Material for the Electrochemical Determination of Antidepressant in Synthetic Urine
by Francisco Contini Barreto, Naelle Kita Mounienguet, Erika Yukie Ito, Quan He and Ivana Cesarino
Chemosensors 2024, 12(10), 205; https://doi.org/10.3390/chemosensors12100205 - 3 Oct 2024
Viewed by 908
Abstract
Escitalopram (ESC) is commonly prescribed as an antidepressant to enhance serotonin levels in the brain, effectively addressing conditions such as depression and anxiety. The COVID-19 pandemic, along with ongoing mental health crises, has exacerbated the prevalence of these disorders, largely due to factors [...] Read more.
Escitalopram (ESC) is commonly prescribed as an antidepressant to enhance serotonin levels in the brain, effectively addressing conditions such as depression and anxiety. The COVID-19 pandemic, along with ongoing mental health crises, has exacerbated the prevalence of these disorders, largely due to factors such as social isolation, fear of the virus, and financial difficulties. This study presents the enhancement of a glassy carbon electrode (GC) through the incorporation of hydrochar (HDC) derived from spent coffee grounds and copper nanoparticles (CuNPs) for the detection of ESC in synthetic urine. Characterization of the nanocomposite was conducted using scanning electron microscopy (SEM), energy-dispersive spectroscopy (EDS), and cyclic voltammetry (CV). The analytical parameters were systematically optimized, and a sensing platform was utilized for the quantification of ESC via square-wave voltammetry (SWV). The established linear range was found to be between 1.0 µmol L−1 and 50.0 µmol L−1, with a limit of detection (LOD) of 0.23 µmol L−1. Finally, an electrochemical sensor was employed to measure ESC levels in synthetic urine, yielding recovery rates ranging from 91.7% to 94.3%. Consequently, the HDC-CuNPs composite emerged as a promising, sustainable, and cost-effective alternative for electroanalytical applications. Full article
(This article belongs to the Special Issue Electrochemical Sensors and Biosensors for Food, Environmental and Biomedical Analysis)
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