Electrochemistry for Biosensing: Materials and Applications

A special issue of Biosensors (ISSN 2079-6374). This special issue belongs to the section "Biosensor Materials".

Deadline for manuscript submissions: closed (15 August 2023) | Viewed by 2336

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Guest Editor
Environment Department, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman 7631885356, Iran
Interests: electrochemistry; electrochemical sensors and biosensors; food analysis; environmental analysis; synthesis of nanomaterials
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Special Issue Information

Dear Colleagues,

Novel materials are now well-established disciplines and provide ever-increasing new material in solving challenging analytical and bioanalytical problems, including specificity, stability and sensitivity. Electrochemical (bio)sensors in which an electrode is used as the transduction element are an important subclass of chemical (bio)sensors. An overview of analytical method development demonstrates that electrochemical (bio)sensors represent the most rapidly growing class of chemical (bio)sensors. Electrochemical (bio)sensors have a leading position among the presently available sensors that have reached the commercial stage and which have found a vast range of important applications in the fields of clinical, pharmaceutical, environmental and agricultural analyses. Electrochemical techniques with the advantages of simple, rapid and low-cost detection processes have come a long way in the field of development of sensors and biosensors. The success of electrochemical technology is largely due to the continued design and development of newer materials that meet the needs of modern technology.

The aim of this work is to present a comprehensive overview of the current state of research on the application of electrochemistry in (bio)sensing.

Prof. Dr. Hadi Beitollahi
Guest Editor

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Keywords

  • electrochemical biosensors
  • electrochemical sensors
  • food analysis
  • environmental analysis
  • biomedical applications

Published Papers (1 paper)

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Research

17 pages, 3419 KiB  
Article
Molybdenum Disulfide/Nickel-Metal Organic Framework Hybrid Nanosheets Based Disposable Electrochemical Sensor for Determination of 4-Aminophenol in Presence of Acetaminophen
by Zahra Dourandish, Iran Sheikhshoaie and Shahab Maghsoudi
Biosensors 2023, 13(5), 524; https://doi.org/10.3390/bios13050524 - 7 May 2023
Cited by 1 | Viewed by 1826
Abstract
The toxicity of commonly used drugs, such as acetaminophen (ACAP) and its degradation-derived metabolite of 4-aminophenol (4-AP), underscores the need to achieve an effective approach in their simultaneous electrochemical determination. Hence, the present study attempts to introduce an ultra-sensitive disposable electrochemical 4-AP and [...] Read more.
The toxicity of commonly used drugs, such as acetaminophen (ACAP) and its degradation-derived metabolite of 4-aminophenol (4-AP), underscores the need to achieve an effective approach in their simultaneous electrochemical determination. Hence, the present study attempts to introduce an ultra-sensitive disposable electrochemical 4-AP and ACAP sensor based on surface modification of a screen-printed graphite electrode (SPGE) with a combination of MoS2 nanosheets and a nickel-based metal organic framework (MoS2/Ni-MOF/SPGE sensor). A simple hydrothermal protocol was implemented to fabricate MoS2/Ni-MOF hybrid nanosheets, which was subsequently tested for properties using valid techniques including X-ray diffraction (XRD), field emission-scanning electron microscopy (FE-SEM), energy dispersive X-ray spectroscopy (EDX), Fourier transformed infrared spectroscopy (FTIR), and N2 adsorption-desorption isotherm. The 4-AP detection behavior on MoS2/Ni-MOF/SPGE sensor was followed by cyclic voltammetry (CV), chronoamperometry and differential pulse voltammetry (DPV). Our experimental findings on the generated sensor confirmed a broad linear dynamic range (LDR) for 4-AP from 0.1 to 600 μM with a high sensitivity of 0.0666 μA/μM and a low limit of detection (LOD) of 0.04 μM. In addition, an analysis of real specimens such as tap water sample as well as a commercial sample (acetaminophen tablets) illuminated the successful applicability of as-developed sensor in determining ACAP and 4-AP, with an impressive recovery rate. Full article
(This article belongs to the Special Issue Electrochemistry for Biosensing: Materials and Applications)
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