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Recent Advances in Electrochemical Sensors

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

Deadline for manuscript submissions: closed (20 August 2023) | Viewed by 4101

Special Issue Editors


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Guest Editor
Department of Medicine, Thomas Jefferson University, Jefferson Alumni Hall, 1020 Locust Street, Philadelphia, PA 19107, USA
Interests: electrochemical sensors; nanocomposites; modified carbon electrodes; neurotransmitor sensors; simultanoius electrochemical detection

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Guest Editor
Department of Medicine, Thomas Jefferson University, Jefferson Alumni Hall, 1020 Locust Street, Philadelphia, PA 19107, USA
Interests: electrochemically active biomolecule; bioimaging; voltammetry; mRNA; fabrication-modified electrode

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Guest Editor
Department of Biochemistry and Molecular Biology, Central University of Kerala, Kasargod 671320, India
Interests: nano material based sensors; angiogenesis; mirna; fabrication of sensors. biomolecules

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Guest Editor
National Center for Flexible Electronics, Indian Institute of Technology Kanpur, Kanpur 208016, India
Interests: gas sensors; biomolecule sensors; electrochemical sensors; chemiresistive; amperometric sensors; polymer synthesis; poymer composites; nanomaterials; quatum dots

Special Issue Information

Dear Colleagues,

Electrochemical sensors are a popular class of sensors used for the detection of various kinds of analytes. Electrochemical sensors are widely used to detect biomolecules, volatile organic compounds, explosives, toxic metal, etc., providing highly accurate and specific sensing responses for analyte identification. Extensive research aiming to improve electrochemical sensing technology is ongoing, including efforts to develop sensing elements, electrodes for cost-effective devices, electrode patterns and sensory arrays. This Special Issue presents an opportunity for the research community to publish original research findings related to all fields involving electrochemical sensors. All papers related to the betterment of electrochemical sensing technology are welcome, as well as those related to the following topics:

  • Electrochemical sensors;
  • Biomolecule detection;
  • VOC detection;
  • Heavy metal detection;
  • Explosive detection;
  • Sensing elements;
  • Sensory arrays.

Dr. Sarojini Sharath Shankar
Dr. Thekke Veedu Sruthi
Dr. V. B. Sameer Kumar
Dr. Ajithkumar Manayan Parambil
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.

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Published Papers (1 paper)

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Research

21 pages, 5405 KiB  
Article
Towards Embedded Electrochemical Sensors for On-Site Nitrite Detection by Gold Nanoparticles Modified Screen Printed Carbon Electrodes
by Anurag Adiraju, Rohan Munjal, Christian Viehweger, Ammar Al-Hamry, Amina Brahem, Jawaid Hussain, Sanhith Kommisetty, Aditya Jalasutram, Christoph Tegenkamp and Olfa Kanoun
Sensors 2023, 23(6), 2961; https://doi.org/10.3390/s23062961 - 9 Mar 2023
Cited by 9 | Viewed by 3640
Abstract
The transition of electrochemical sensors from lab-based measurements to real-time analysis requires special attention to different aspects in addition to the classical development of new sensing materials. Several critical challenges need to be addressed including a reproducible fabrication procedure, stability, lifetime, and development [...] Read more.
The transition of electrochemical sensors from lab-based measurements to real-time analysis requires special attention to different aspects in addition to the classical development of new sensing materials. Several critical challenges need to be addressed including a reproducible fabrication procedure, stability, lifetime, and development of cost-effective sensor electronics. In this paper, we address these aspects exemplarily for a nitrite sensor. An electrochemical sensor has been developed using one-step electrodeposited (Ed) gold nanoparticles (EdAu) for the detection of nitrite in water, which shows a low limit of detection of 0.38 µM and excellent analytical capabilities in groundwater. Experimental investigations with 10 realized sensors show a very high reproducibility enabling mass production. A comprehensive investigation of the sensor drift by calendar and cyclic aging was carried out for 160 cycles to assess the stability of the electrodes. Electrochemical impedance spectroscopy (EIS) shows significant changes with increasing aging inferring the deterioration of the electrode surface. To enable on-site measurements outside the laboratory, a compact and cost-effective wireless potentiostat combining cyclic and square wave voltammetry, and EIS capabilities has been designed and validated. The implemented methodology in this study builds a basis for the development of further on-site distributed electrochemical sensor networks. Full article
(This article belongs to the Special Issue Recent Advances in Electrochemical Sensors)
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