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Two-Dimensional Materials-Based Electrochemical (bio)Sensors
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Two-Dimensional Materials-Based Electrochemical (bio)Sensors

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Biomaterials".

Deadline for manuscript submissions: closed (20 December 2023) | Viewed by 1340

Special Issue Editors

Prof. Dr. Madhavi Gajulapalle

E-Mail Website
Guest Editor
Department of Chemistry, Electrochemcial Research Lab, Sri Venkateswara University, Gajraula 517502, India
Interests: two-dimensional (2D) materials; electrochemical sensors, biosensors; tlectrochemistry; graphene-based nanocomposites; MXene based nanocompsoite
Dr. Y. Veera Manohara Reddy

E-Mail Website
Guest Editor
Sri Venkateswara College, University of Delhi, New Delhi, India
Interests: material chemistry; electrochemistry; wearable electrochemical biosensors; bioanalytical chemistry; nanosensors; biosensors; disease diagnostics; and molecular diagnostics

Special Issue Information

Dear Colleagues,

Two-dimensional (2D) materials such as graphene, boron nitride, and transition metal dichalcogenides have attracted great interest in the field of electrochemical sensors/biosensors due to their fascinating electronic, optical, and chemical properties. These materials possess high surface area, excellent electrical conductivity, and outstanding qualities of biocompatibility, making them ideal candidates for use in developing advanced sensors/biosensors with improved sensitivity, selectivity, and stability. This Special Issue aims to cover the latest advancements in the design, fabrication, and applications of 2D material-based electrochemical sensors/biosensors for the detection of various analytes including biomolecules, pollutants, and hazardous chemicals.

Scope:

Topics of interest in this Special Issue include, but are not limited to:

  • Synthesized and characterized novel nanostructured materials for electrochemical (bio) sensors;
  • Fabrication of 2D material-based electrode materials and their electrochemical properties;
  • Development of 2D material-based electrochemical sensors/biosensors for various applications including clinical diagnostics, environmental monitoring, and food safety analysis;
  • Development of 2D material-based wearable electrochemical sensors/biosensors for various applications, including clinical diagnostics, environmental monitoring, and food safety analysis;
  • Integration of 2D materials with other functional materials or techniques for enhanced sensing/biosensing performance;
  • Theoretical studies into and computational simulations of the electronic and chemical properties of 2D materials for use in electrochemical sensing/biosensing applications.

We encourage the submission of original research articles, reviews, and perspectives which cover the latest advances in this rapidly growing field

Prof. Dr. Madhavi Gajulapalle
Dr. Y. Veera Manohara Reddy
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. Materials 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.

Keywords

  • two-dimensional (2D) materials
  • electrochemical sensors/biosensors
  • electrochemistry
  • material chemistry
  • electrochemistry
  • wearable electrochemical biosensors
  • bioanalytical chemistry
  • nanosensors
  • biosensors
  • disease diagnostics
  • molecular diagnostics

Published Papers (1 paper)

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Research

13 pages, 4208 KiB  
Article
Activated Screen-Printed Boron-Doped Diamond Electrode for Rapid and Highly Sensitive Determination of Curcumin in Food Products
by Jędrzej Kozak, Katarzyna Tyszczuk-Rotko, Aleksy Keller, Magdalena Wójciak and Ireneusz Sowa
Materials 2023, 16(21), 6826; https://doi.org/10.3390/ma16216826 - 24 Oct 2023
Cited by 1 | Viewed by 1133
Abstract
Due to a great interest in the beneficial properties of polyphenolic antioxidant curcumin (CCM), sensitive and accurate methods for determining CCM are needed. The purpose of our research was to develop a very simple, fast, and sensitive differential pulse adsorptive stripping voltammetric (DPAdSV) [...] Read more.
Due to a great interest in the beneficial properties of polyphenolic antioxidant curcumin (CCM), sensitive and accurate methods for determining CCM are needed. The purpose of our research was to develop a very simple, fast, and sensitive differential pulse adsorptive stripping voltammetric (DPAdSV) procedure using an electrochemically activated screen-printed boron-doped diamond electrode (aSPBDDE) for the determination of CCM. The activation of the SPBDDE was accomplished in a solution of 0.1 mol/L NaOH by performing five cyclic voltammetric scans in the range of 0–2 V, at ν of 100 mV/s. The changes in surface morphology and the reduction of the charge transfer resistance due to the activation of the electrode resulted in the amplification of the CCM analytical signal on the aSPBDDE. As a result, an extremely sensitive measurement tool was formed, which under optimized conditions (0.025 mol/L PBS of pH = 2.6, Eacc of 0.3 V, tacc of 90 s, ΔEA of 100 mV, ν of 150 mV/s, and tm of 10 ms) allowed us to obtain a limit of detection (LOD) of 5.0 × 10−13 mol/L. The aSPBDDE has proven to be a highly effective tool for the direct determination of CCM in food samples with high accuracy and precision. The results are in agreement with those obtained using ultra-high-performance liquid chromatography coupled with mass spectrometry and electrospray ionization (UHPLC-ESI/MS). Full article
(This article belongs to the Special Issue Two-Dimensional Materials-Based Electrochemical (bio)Sensors)
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