Electrochemical (Bio)sensors Based on Nanomaterials

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

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 2593

Special Issue Editors


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Guest Editor
Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
Interests: aptasensor; immunosensors; functional nanopore and nanocontainer; nanomedicine; electronanalysis
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Guest Editor
Institute of Clinical and Preventive Medicine, University of Latvia, LV-1586 Riga, Latvia
Interests: breath analysis; electronic nose; biosensors; VOCs; cancer detection
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nanomaterials-based electrochemical sensors or biosensors are crucial for environmental, health, food, and clinical applications. A variety of nanomaterials (metal nanoparticles, metal oxide nanomaterials, carbon nanomaterials, polymers, biomaterials, and others) are being used for developing an efficient electrochemical sensing platform for the detection of environmental contaminants, disease-causing pathogens, and disease biomarkers. The performance of these nano-electrochemical sensors and biosensors is evaluated on the basis of their dynamic response range of analyte, response time, limit of detection, sensitivity, selectivity, reproducibility, and affordability. Apart from their ex vivo applications, these sensors are also very useful for in vivo analyte monitoring. Thus, the field of nano-electrochemical sensors/biosensors is an intriguing aspect of analytical and bioanalytical sciences. The aim of this Special Issue is to provide an opportunity for researchers to publish their original/cutting-edge research ideas on the design and development of nanomaterials-based electrochemical sensors and biosensors for a wide range of analytical applications. We look forward to receiving your contributions.

Dr. Vinod Kumar
Dr. Manohar Prasad Bhandari
Guest Editors

Manuscript Submission Information

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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. Biosensors is an international peer-reviewed open access monthly journal published by MDPI.

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Keywords

  • nanomaterials
  • nanoparticles
  • electrochemical sensors
  • chemical sensors
  • biosensors
  • gas sensor
  • microfluidic devices
  • point-of-care devices

Published Papers (1 paper)

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Research

14 pages, 4933 KiB  
Article
Novel Electrochemical Aptasensor Based on Ordered Mesoporous Carbon/2D Ti3C2 MXene as Nanocarrier for Simultaneous Detection of Aminoglycoside Antibiotics in Milk
by Fengling Yue, Mengyue Liu, Mengyuan Bai, Mengjiao Hu, Falan Li, Yemin Guo, Igor Vrublevsky and Xia Sun
Biosensors 2022, 12(8), 626; https://doi.org/10.3390/bios12080626 - 10 Aug 2022
Cited by 6 | Viewed by 1764
Abstract
Herein, a novel electrochemical aptasensor using a broad-spectrum aptamer as a biorecognition element was constructed based on a screen-printed carbon electrode (SPCE) for simultaneous detection of aminoglycoside antibiotics (AAs). The ordered mesoporous carbon (OMC) was firstly modified on 2D Ti3C2 [...] Read more.
Herein, a novel electrochemical aptasensor using a broad-spectrum aptamer as a biorecognition element was constructed based on a screen-printed carbon electrode (SPCE) for simultaneous detection of aminoglycoside antibiotics (AAs). The ordered mesoporous carbon (OMC) was firstly modified on 2D Ti3C2 MXene. The addition of OMC not only effectively improved the stability of the aptasensor, but also prevented the stacking of Ti3C2 sheets, which formed a good current passage for signal amplification. The prepared OMC@Ti3C2 MXene functioned as a nanocarrier to accommodate considerable aptamers. In the presence of AAs, the transport of electron charge on SPCE surface was influenced by the bio-chemical reactions of the aptamer and AAs, generating a significant decline in the differential pulse voltammetry (DPV) signals. The proposed aptasensor presented a wide linear range and the detection limit was 3.51 nM. Moreover, the aptasensor, with satisfactory stability, reproducibility and specificity, was successfully employed to detect the multi-residuals of AAs in milk. This work provided a novel strategy for monitoring AAs in milk. Full article
(This article belongs to the Special Issue Electrochemical (Bio)sensors Based on Nanomaterials)
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