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Feature Review Papers for Chemical Sensors and Biosensors in 2022
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Feature Review Papers for Chemical Sensors and Biosensors in 2022

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Chemical Sensors".

Deadline for manuscript submissions: closed (28 February 2023) | Viewed by 16632

Special Issue Editors

Prof. Dr. Eduard Llobet

E-Mail Website
Guest Editor
MINOS-EMaS, Universitat Rovira i Virgili, 43007 Tarragona, Spain
Interests: gas sensors employing nanosized metal oxides and carbon nanomaterials integrated in ceramics, MEMS or flexible polymeric transducers; nanomaterial synthesis using CVD or VPT and surface functionalization via grafting of functional groups or molecules or substitutional doping; development of gas sensing applications in environment, security
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Camelia Bala

E-Mail Website
Guest Editor
Department of Analytical Chemistry, Director Doctoral School of Chemistry, University of Bucharest, 4-12 Regina Elisabeta Blvd., 030018 Bucharest, Romania
Interests: sensors and biosensors addressing current emerging problems of clinical, food and environmental importance; bioanalytical chemistry focusing on investigations of basic biochemical mechanisms at bio-interfaces; biomimetic materials and artificial receptors
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are glad to announce the Special Issue titled "Feature Review Papers for Chemical Sensors and Biosensors", designed to publish high-quality review papers concerning chemical sensors and biosensors. We welcome submissions from Editorial Board Members and from outstanding scholars invited by the Editorial Board and the Editorial Office. The scope of this Special Issue includes, but is not limited to, the following topics:

new developments and recent improvements in the design, synthesis, and performance evaluation of materials for sensitive layers and transducers; the study of their sensing mechanisms; the evaluation, processing approaches, and applications of chemical sensors; the driving electronics, data processing, and chemical sensor array chemometrics; DNA chips;  lab-on-a-chip technology; microfluidic devices; nanobiosensors and nanotechnology used in biosensors 

Prof. Dr. Eduard Llobet
Prof. Dr. Camelia Bala
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. Sensors is an international peer-reviewed open access semimonthly 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 2600 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 (4 papers)

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Review

47 pages, 6423 KiB  
Review
A Review on Bio- and Chemosensors for the Detection of Biogenic Amines in Food Safety Applications: The Status in 2022
by Stella Givanoudi, Marc Heyndrickx, Tom Depuydt, Mehran Khorshid, Johan Robbens and Patrick Wagner
Sensors 2023, 23(2), 613; https://doi.org/10.3390/s23020613 - 05 Jan 2023
Cited by 13 | Viewed by 5167
Abstract
This article provides an overview on the broad topic of biogenic amines (BAs) that are a persistent concern in the context of food quality and safety. They emerge mainly from the decomposition of amino acids in protein-rich food due to enzymes excreted by [...] Read more.
This article provides an overview on the broad topic of biogenic amines (BAs) that are a persistent concern in the context of food quality and safety. They emerge mainly from the decomposition of amino acids in protein-rich food due to enzymes excreted by pathogenic bacteria that infect food under inappropriate storage conditions. While there are food authority regulations on the maximum allowed amounts of, e.g., histamine in fish, sensitive individuals can still suffer from medical conditions triggered by biogenic amines, and mass outbreaks of scombroid poisoning are reported regularly. We review first the classical techniques used for selective BA detection and quantification in analytical laboratories and focus then on sensor-based solutions aiming at on-site BA detection throughout the food chain. There are receptor-free chemosensors for BA detection and a vastly growing range of bio- and biomimetic sensors that employ receptors to enable selective molecular recognition. Regarding the receptors, we address enzymes, antibodies, molecularly imprinted polymers (MIPs), and aptamers as the most recent class of BA receptors. Furthermore, we address the underlying transducer technologies, including optical, electrochemical, mass-sensitive, and thermal-based sensing principles. The review concludes with an assessment on the persistent limitations of BA sensors, a technological forecast, and thoughts on short-term solutions. Full article
(This article belongs to the Special Issue Feature Review Papers for Chemical Sensors and Biosensors in 2022)
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25 pages, 4211 KiB  
Review
Nanosphere Structures Using Various Materials: A Strategy for Signal Amplification for Virus Sensing
by Sjaikhurrizal El Muttaqien, Indra Memdi Khoris, Sabar Pambudi and Enoch Y. Park
Sensors 2023, 23(1), 160; https://doi.org/10.3390/s23010160 - 23 Dec 2022
Cited by 1 | Viewed by 2269
Abstract
Nanomaterials have been explored in the sensing research field in the last decades. Mainly, 3D nanomaterials have played a vital role in advancing biomedical applications, and less attention was given to their application in the field of biosensors for pathogenic virus detection. The [...] Read more.
Nanomaterials have been explored in the sensing research field in the last decades. Mainly, 3D nanomaterials have played a vital role in advancing biomedical applications, and less attention was given to their application in the field of biosensors for pathogenic virus detection. The versatility and tunability of a wide range of nanomaterials contributed to the development of a rapid, portable biosensor platform. In this review, we discuss 3D nanospheres, one of the classes of nanostructured materials with a homogeneous and dense matrix wherein a guest substance is carried within the matrix or on its surface. This review is segmented based on the type of nanosphere and their elaborative application in various sensing techniques. We emphasize the concept of signal amplification strategies using different nanosphere structures constructed from a polymer, carbon, silica, and metal–organic framework (MOF) for rendering high-level sensitivity of virus detection. We also briefly elaborate on some challenges related to the further development of nanosphere-based biosensors, including the toxicity issue of the used nanomaterial and the commercialization hurdle. Full article
(This article belongs to the Special Issue Feature Review Papers for Chemical Sensors and Biosensors in 2022)
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31 pages, 3722 KiB  
Review
Recent Advances in Electrochemical Sensors for Caffeine Determination
by Žaklina Z. Tasić, Marija B. Petrović Mihajlović, Ana T. Simonović, Milan B. Radovanović and Milan M. Antonijević
Sensors 2022, 22(23), 9185; https://doi.org/10.3390/s22239185 - 25 Nov 2022
Cited by 7 | Viewed by 2915
Abstract
The determination of target analytes at very low concentrations is important for various fields such as the pharmaceutical industry, environmental protection, and the food industry. Caffeine, as a natural alkaloid, is widely consumed in various beverages and medicines. Apart from the beneficial effects [...] Read more.
The determination of target analytes at very low concentrations is important for various fields such as the pharmaceutical industry, environmental protection, and the food industry. Caffeine, as a natural alkaloid, is widely consumed in various beverages and medicines. Apart from the beneficial effects for which it is used, caffeine also has negative effects, and for these reasons it is very important to determine its concentration in different mediums. Among numerous analytical techniques, electrochemical methods with appropriate sensors occupy a special place since they are efficient, fast, and entail relatively easy preparation and measurements. Electrochemical sensors based on carbon materials are very common in this type of research because they are cost-effective, have a wide potential range, and possess relative electrochemical inertness and electrocatalytic activity in various redox reactions. Additionally, these types of sensors could be modified to improve their analytical performances. The data available in the literature on the development and modification of electrochemical sensors for the determination of caffeine are summarized and discussed in this review. Full article
(This article belongs to the Special Issue Feature Review Papers for Chemical Sensors and Biosensors in 2022)
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30 pages, 2486 KiB  
Review
Review of Ethanol Intoxication Sensing Technologies and Techniques
by Szymon Paprocki, Meha Qassem and Panicos A Kyriacou
Sensors 2022, 22(18), 6819; https://doi.org/10.3390/s22186819 - 09 Sep 2022
Cited by 7 | Viewed by 4441
Abstract
The field of alcohol intoxication sensing is over 100 years old, spanning the fields of medicine, chemistry, and computer science, aiming to produce the most effective and accurate methods of quantifying intoxication levels. This review presents the development and the current state of [...] Read more.
The field of alcohol intoxication sensing is over 100 years old, spanning the fields of medicine, chemistry, and computer science, aiming to produce the most effective and accurate methods of quantifying intoxication levels. This review presents the development and the current state of alcohol intoxication quantifying devices and techniques, separated into six major categories: estimates, breath alcohol devices, bodily fluid testing, transdermal sensors, mathematical algorithms, and optical techniques. Each of these categories was researched by analyzing their respective performances and drawbacks. We found that the major developments in monitoring ethanol intoxication levels aim at noninvasive transdermal/optical methods for personal monitoring. Many of the “categories” of ethanol intoxication systems overlap with each other with to a varying extent, hence the division of categories is based only on the principal operation of the techniques described in this review. In summary, the gold-standard method for measuring blood ethanol levels is through gas chromatography. Early estimation methods based on mathematical equations are largely popular in forensic fields. Breath alcohol devices are the most common type of alcohol sensors on the market and are generally implemented in law enforcement. Transdermal sensors vary largely in their sensing methodologies, but they mostly follow the principle of electrical sensing or enzymatic reaction rate. Optical devices and methodologies perform well, with some cases outperforming breath alcohol devices in terms of the precision of measurement. Other estimation algorithms consider multimodal approaches and should not be considered alcohol sensing devices, but rather as prospective measurement of the intoxication influence. This review found 38 unique technologies and techniques for measuring alcohol intoxication, which is testament to the acute interest in the innovation of noninvasive technologies for assessing intoxication. Full article
(This article belongs to the Special Issue Feature Review Papers for Chemical Sensors and Biosensors in 2022)
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