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Chemosensors
Special Issues
Nanomaterial-Based Sensors: Design, Development and Applications
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Nanomaterial-Based Sensors: Design, Development and Applications

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

Deadline for manuscript submissions: 31 December 2025 | Viewed by 2529

Special Issue Editors

Dr. Alicia Gomis-Berenguer

E-Mail Website
Guest Editor
Institute of Electrochemistry, University of Alicante, 03080 Alicante, Spain
Interests: electrochemistry; electrodes; nanoporous materials; photochemistry; (bio)electrosensing
Special Issues, Collections and Topics in MDPI journals
Dr. Ana Casanova

E-Mail Website
Guest Editor
Interfaces, Confinement, Matériaux et Nanostructures, ICMN-CNRS (UMR 7374)-Université d’Orléans, 1b rue de la Férollerie, 45071 Orléans, Cedex 2, France
Interests: electrochemistry; electroanalysis; wearable sensors; nanomaterials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue, entitled “Nanomaterial-Based Sensors: Design, Development and Applications”, aims to explore the advances and challenges in integrating nanomaterials into (bio)sensing applications from the macro- to the nanoscale. Advanced materials offer the advantage of providing better sensing capabilities in terms of accuracy, reliability, sensitivity, and reproducibility. A variety of nanostructured materials, such as carbon materials (MWCNTs, graphene, quantum dots, etc.), metal nanoparticles, nanocomposites, conductive polymers, and so on, present exceptional attributes such as providing platforms for immobilization, catalytic properties, and optical and electroactive labels. Consequently, sensors based on nanomaterials overcome some analytical limitations and increase the scope of target analyte detection, including pharmaceuticals, biomolecules, environmentally hazardous heavy metals, pesticides, and pollutants at the micro- and nanolevel.

We welcome the submission of original research articles, short communications, and reviews featuring recent advances and developments in chemical (bio)sensors, microfluidic devices, lab-on-a-chip, organ-on-a-chip, and sensor arrays, in which the integration of nanomaterials is a key element.

Dr. Alicia Gomis-Berenguer
Dr. Ana Casanova
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 2000 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

  • chemical sensors
  • biosensors
  • nanomaterials for chemical sensing
  • advanced materials for sensing
  • wearable sensor
  • micro- and nanosensors
  • selective sensor

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Published Papers (2 papers)

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Research

18 pages, 2884 KiB  
Article
Fast, Economic, and Improved Nanostructured Polymeric pH Sensor for Agrifood Analysis
by Álvaro Jesús Sainz-Calvo, Alfonso Sierra-Padilla, Dolores Bellido-Milla, Laura Cubillana-Aguilera, Juan José García-Guzmán and José María Palacios-Santander
Chemosensors 2025, 13(2), 63; https://doi.org/10.3390/chemosensors13020063 - 11 Feb 2025
Viewed by 863
Abstract
In the present work, a novel and economical pH sensor has been improved through the application of the conducting polymers poly(3,4-ethylendioxythiphene) and poly(sodium 4-styrene sulphonate). Sinusoidal voltages were applied to electrodeposit the different polymers studied for different periods (10, 15, and 20 min) [...] Read more.
In the present work, a novel and economical pH sensor has been improved through the application of the conducting polymers poly(3,4-ethylendioxythiphene) and poly(sodium 4-styrene sulphonate). Sinusoidal voltages were applied to electrodeposit the different polymers studied for different periods (10, 15, and 20 min) on the electrode surface. The presence of polyaniline and its reversible redox structure have been corroborated by cyclic voltammetry. The working range has been increased from 3–8 to 2–12, obtaining adequate sensibility and linearity. This new sensor presented satisfactory repeatability, reproducibility (RSD < 5%), AND reversibility (pH range 2–12), and excellent selectivity towards H+ in the presence of diverse interferents in agrifood samples. Finally, the sensor was used to measure the pH in several real samples, whose pH values ranged from 2.23 to 11.5, obtaining excellent results. In addition, the values found were very similar to those reported by the gold technique (pH meter), with an error of less than 10% for most of the samples analyzed. In addition, a preliminary survey about measurements in a continuous flow, using a 3D homemade microfluidic cell, was performed with promising results. Full article
(This article belongs to the Special Issue Nanomaterial-Based Sensors: Design, Development and Applications)
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17 pages, 4209 KiB  
Article
Sensitive Electrochemical Sensor Based on Amino-Functionalized Graphene Oxide/Polypyrrole Composite for Detection of Pb2+ Ions
by Priyanka C. Zine, Vijaykiran N. Narwade, Shubham S. Patil, Masira T. Qureshi, Meng-Lin Tsai, Tibor Hianik and Mahendra D. Shirsat
Chemosensors 2025, 13(2), 34; https://doi.org/10.3390/chemosensors13020034 - 24 Jan 2025
Viewed by 1218
Abstract
In this work, an amino-functionalized graphene oxide/polypyrrole (AMGO/PPy) composite-based novel sensing platform was established to monitor lead ions (Pb2+) at high sensitivity. AMGO was synthesized through a hydrothermal process and later formed a composite with PPy at varying concentrations. A physicochemical [...] Read more.
In this work, an amino-functionalized graphene oxide/polypyrrole (AMGO/PPy) composite-based novel sensing platform was established to monitor lead ions (Pb2+) at high sensitivity. AMGO was synthesized through a hydrothermal process and later formed a composite with PPy at varying concentrations. A physicochemical investigation of the synthesized materials was carried out using various characterization tools, while the electrochemical properties were examined by cyclic voltammetry (CV), differential pulse voltammetry (DPV), and electrochemical impedance spectroscopy (EIS) methods. The AMGO/PPy composite was deposited on a glassy carbon electrode (GCE), which was used for the real-time electrochemical detection of Pb2+. The AMGO/PPy sensor exhibited lower limits of detection (LOD) of 0.91 nM. In addition, the developed Pb2+ sensor exhibited excellent reproducibility, repeatability, selectivity, sensitivity, and long-term stability for 25 days. The AMGO/PPy composite emerges as a ground-breaking material for the electrochemical detection of Pb2+, holding significant potential for environmental monitoring and the protection of human health. Full article
(This article belongs to the Special Issue Nanomaterial-Based Sensors: Design, Development and Applications)
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