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Next-Generation Screen-Printed and Additive-Manufactured Electrochemical Platforms for Sensing

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

Deadline for manuscript submissions: closed (20 October 2024) | Viewed by 1805

Special Issue Editor


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Guest Editor
Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK
Interests: electrochemistry; additive manufacturing; 2D material electrochemistry; sensor design and development; screen-printing and related sensor fabrication; electron transfer; sono-electrochemistry; nanoparticles
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Sensors based on screen-printing technology and additive manufacturing are used within the field of electroanalysis, where both approaches provide high reproducibility and sensitivities toward target analytes and are cost-effective. Both technologies are used to detect target analytes in tears, saliva, sweat, interstitial fluid of the skin, and human volatiles, as well as for environmental monitoring and food quality. We thus invite submissions to our Special Issue devoted to screen-printed and additive-manufactured sensors.

Prof. Dr. Craig E. Banks
Guest Editor

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Keywords

  • screen-printed
  • additive-manufactured
  • sensors
  • biosensors
  • wearable biosensors
  • non-enzymatic sensors
  • paper-based sensors

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Published Papers (1 paper)

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Research

24 pages, 7592 KiB  
Article
Decorated Electrode Surfaces with Nanostructures and Metal-Organic Frameworks as Transducers for Sensing
by Sara Caruncho-Pérez, Aida M. Díez, Ana Prado-Comesaña, Marta Pazos, María Ángeles Sanromán and Elisa González-Romero
Sensors 2024, 24(20), 6745; https://doi.org/10.3390/s24206745 - 20 Oct 2024
Viewed by 1141
Abstract
In this study, several materials are presented as modifiers of the screen-printed carbon electrodes with the aim of developing new sensing platforms for the voltammetric analysis of drugs. Specifically, Clotiapine and Sulfamethoxazole were selected as models for antipsychotics and antibiotics, respectively. Different nanostructures [...] Read more.
In this study, several materials are presented as modifiers of the screen-printed carbon electrodes with the aim of developing new sensing platforms for the voltammetric analysis of drugs. Specifically, Clotiapine and Sulfamethoxazole were selected as models for antipsychotics and antibiotics, respectively. Different nanostructures were studied as modifiers, including both transition metals and carbon-based materials. Moreover, biochar and two metal-organic frameworks (MOFs) were tested as well. The NH2-MIL-125(Ti) MOF showed an 80% improvement in the analytical signal of Sulfamethoxazole, but it partially overlapped with an additional signal associated with the loss of the MOF ligand. For this reason, several immobilization strategies were tested, but none of them met the requirements for the development of a sensor for this analyte. Conversely, carbon nanotubes and the NH2-MIL-101(Fe) MOF were successfully applied for the analysis of Clotiapine in the medicine Etumine®, with RSD below 2% and relative errors that did not exceed 9% in any case, which demonstrates the precision and accuracy achieved with the tested modifications. Despite these promising results, it was not possible to lower the limits of detection and quantification, so in this sense further investigation must be performed to increase the sensitivity of the developed sensors. Full article
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