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Chemosensors
Special Issues
Chitosan for Sensors and Electrochemical Applications
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Chitosan for Sensors and Electrochemical Applications

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

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 7355

Special Issue Editors

Dr. Nicole Jaffrezic-Renault

E-Mail Website
Guest Editor
Institute of Analytical Sciences, University of Lyon, Lyon, France
Interests: surface functionalization; chemical sensors; biosensors; chemosensors for applications in environment; agrifood and medical diagnostics
Special Issues, Collections and Topics in MDPI journals
Dr. Hafsa Korri-Youssoufi

E-Mail Website
Guest Editor
Institut de Chimie Moléculaire et des Matériaux d’Orsay (ICMMO), Centre National de la Recherche Scientifique, Unité Mixte de Recherche 8182, Université Paris Saclay, 17 Avenue des Sciences, 91400 Orsay, France
Interests: biosensor; biochips; electrochemistry; material chemistry; analytical chemistry; nanotechnology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Chitosan is a biosourced polysaccharide, the most abundant biosourced polymer after cellulose. It is well known for its qualities of biocompatibility, its preservation of biomolecules, and its anti-fouling properties. The aim of this Special Issue is to be a forum for the latest research activities showing the role of the chitosan in the improvement of the qualities of chemosensors: sensitivity, selectivity, shelf lifetime in real environments, sustainability. It will publish relevant feature papers in this field, focusing on research articles, reviews, short communications, and trends.

We are seeking papers researching the following areas:

- Elaboration of chemosensors

- Elaboration of biosensors

- Molecularly imprinted polymers-based chemosensors

- Anti-fouling properties for implanted chemosensors

- Chitosan-based chemosensors for food control

- Chitosan-based chemosensors for environmental control

- Chitosan-based chemosensors for biomedical applications

Dr. Nicole Jaffrezic-Renault
Dr. Hafsa Korri-Youssoufi
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.

Published Papers (2 papers)

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Research

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19 pages, 4322 KiB  
Article
Experimental Study and Mathematical Modeling of a Glyphosate Impedimetric Microsensor Based on Molecularly Imprinted Chitosan Film
by Fares Zouaoui, Saliha Bourouina-Bacha, Mustapha Bourouina, Albert Alcacer, Joan Bausells, Nicole Jaffrezic-Renault, Nadia Zine and Abdelhamid Errachid
Chemosensors 2020, 8(4), 104; https://0-doi-org.brum.beds.ac.uk/10.3390/chemosensors8040104 - 20 Oct 2020
Cited by 8 | Viewed by 3081
Abstract
A novel impedimetric microsensor based on a double-layered imprinted polymer film has been constructed for the sensitive detection of the herbicide, glyphosate (GLY), in water. It is based on electropolymerized polypyrrole films, doped with cobaltabis(dicarbollide) ions ([3,3′-Co(1,2-C2B9H11) [...] Read more.
A novel impedimetric microsensor based on a double-layered imprinted polymer film has been constructed for the sensitive detection of the herbicide, glyphosate (GLY), in water. It is based on electropolymerized polypyrrole films, doped with cobaltabis(dicarbollide) ions ([3,3′-Co(1,2-C2B9H11)2]), as a solid contact layer between the gold microelectrode surface and the molecularly imprinted chitosan film (CS-MIPs/PPy/Au). Electrochemical Impedance Spectroscopy (EIS) was used for the characterization of the CS-molecular imprinted polymers (MIPs)/PPy/Au in the presence of GLY concentrations between 0.31 pg/mL and 50 ng/mL. Experimental responses of CS-MIPs/PPy/Au are modeled for the first time using an exact mathematical model based on physical theories. From the developed model, it was possible to define the optimal range of the parameters that will impact the quality of impedance spectra and then the analytical performance of the obtained microsensor. The obtained microsensor shows a low detection limit of 1 fg/mL (S/N = 3), a good selectivity, a good reproducibility, and it is regenerable. Full article
(This article belongs to the Special Issue Chitosan for Sensors and Electrochemical Applications)
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Review

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31 pages, 28649 KiB  
Review
Recent Advances in Electrochemical Chitosan-Based Chemosensors and Biosensors: Applications in Food Safety
by Rita Petrucci, Mauro Pasquali, Francesca Anna Scaramuzzo and Antonella Curulli
Chemosensors 2021, 9(9), 254; https://0-doi-org.brum.beds.ac.uk/10.3390/chemosensors9090254 - 08 Sep 2021
Cited by 22 | Viewed by 3391
Abstract
Chitosan is a biopolymer derived from chitin. It is a non-toxic, biocompatible, bioactive, and biodegradable polymer. Due to its properties, chitosan has found applications in several and different fields such as agriculture, food industry, medicine, paper fabrication, textile industry, and water treatment. In [...] Read more.
Chitosan is a biopolymer derived from chitin. It is a non-toxic, biocompatible, bioactive, and biodegradable polymer. Due to its properties, chitosan has found applications in several and different fields such as agriculture, food industry, medicine, paper fabrication, textile industry, and water treatment. In addition to these properties, chitosan has a good film-forming ability which allows it to be widely used for the development of sensors and biosensors. This review is focused on the use of chitosan for the formulation of electrochemical chemosensors. It also aims to provide an overview of the advantages of using chitosan as an immobilization platform for biomolecules by highlighting its applications in electrochemical biosensors. Finally, applications of chitosan-based electrochemical chemosensors and biosensors in food safety are illustrated. Full article
(This article belongs to the Special Issue Chitosan for Sensors and Electrochemical Applications)
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