Trends in Electrochemical Nanosensing

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanoelectronics, Nanosensors and Devices".

Deadline for manuscript submissions: 31 May 2024 | Viewed by 283

Special Issue Editor


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Guest Editor
Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
Interests: functional materials-based biosensors; chemiluminescence; electrochemiluminescence; photoelectrochemical biosensors

Special Issue Information

Dear Colleagues,

Increasing evidence has shown that specific biomarkers are helpful for the early detection, prognosis, and efficient evaluation of cancer. Highly sensitive sensing technologies (based on biomarkers derived from cerebrospinal fluid, blood, saliva, urine, or tissues and organs) can effectively measure and identify changes in clinically meaningful outcomes.

Nanomaterials are receiving increasing interest in sensing applications. There have been countless reports about cancer diagnostics composed of nanomaterials (i.e., metal oxide nanomaterials, metal nanomaterials, polymers, and nonmetal nanomaterials) that demonstrate their unique and advanced properties, which make them extremely useful in diagnosing diseases. In particular, electrochemical nanosensing, as a promising method, has gained much attention in the analytical community by inheriting the advantage of being highly sensitive.

In this Special Issue, entitled “Trends in Electrochemical Nanosensing”, topics include, but are not limited to, the following: design and engineering of functional electrochemical materials, label-free and label-based electrochemical bioassays, electrochemical sensing devices, and detection modes.

Dr. Yanhu Wang
Guest Editor

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Keywords

  • nanoparticles
  • nanostructures
  • nanomedicine
  • electrochemical nanosensing
  • charge separation and transfer
  • nanostructure engineering
  • environmental pollution
  • food safety
  • biomarker detection
  • diagnostic application

Published Papers (1 paper)

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Research

14 pages, 1535 KiB  
Communication
A MOF-Templated Double-Shelled Co3O4/NiCo2O4 Nanocomposite for Electrochemical Detection of Alfuzosin
by Al-Amin, Gajapaneni Venkata Prasad, Seung Joo Jang, Jeong-Wook Oh and Tae Hyun Kim
Nanomaterials 2024, 14(9), 757; https://doi.org/10.3390/nano14090757 - 25 Apr 2024
Viewed by 132
Abstract
We developed a novel electrochemical sensor for the detection of alfuzosin (AFZ), a drug used to treat benign prostatic hyperplasia, using a double-shelled Co3O4/NiCo2O4 nanocomposite-modified electrode. The nanocomposites were synthesized using a template-assisted approach, with zeolitic [...] Read more.
We developed a novel electrochemical sensor for the detection of alfuzosin (AFZ), a drug used to treat benign prostatic hyperplasia, using a double-shelled Co3O4/NiCo2O4 nanocomposite-modified electrode. The nanocomposites were synthesized using a template-assisted approach, with zeolitic imidazole framework-67 (ZIF-67) as the sacrificial template, involving the formation of uniform ZIF-67/Ni-Co layered double hydroxide (LDH) hollow structures followed by calcination to achieve the final nanocomposite. The nanocomposite was characterized by various techniques and showed high porosity, large surface area, and good conductivity. The nanocomposite-modified electrode exhibited excellent electrocatalytic activity towards AFZ oxidation, with a wide linear range of 5–180 µM and a low limit of detection of 1.37 µM. The sensor also demonstrated good repeatability, reproducibility, and stability selectivity in the presence of common interfering substances. The sensor was successfully applied to determine the AFZ in pharmaceutical tablets and human serum samples, with satisfactory recoveries. Our results suggest that the double-shelled Co3O4/NiCo2O4 nanocomposite is a promising material for the fabrication of electrochemical sensors for AFZ detection. Full article
(This article belongs to the Special Issue Trends in Electrochemical Nanosensing)
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