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Polymers
Special Issues
Advanced Polymeric Materials in Sensors
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Advanced Polymeric Materials in Sensors

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: closed (20 December 2023) | Viewed by 1869

Special Issue Editors

Dr. Anna Kharkova

E-Mail Website
Guest Editor
Chemistry Department, Tula State University, 92 Lenin Avenue, Tula 300012, Russia
Interests: mediator biosensor; water toxicity; early warning instrument; electroactive biofilms; electron transport mediator; bioelectrocatalysis
Dr. Vyacheslav A. Arlyapov

E-Mail Website
Guest Editor
Federal State Budgetary Educational Institution of Higher Education, Tula State University, 300012 Tula, Russia
Interests: conductive polymers; electron transfer mediators; carbon nanotubes; BOD biosensors; electroactive biofilms; bioelectrocatalysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Due to the easy modification of their chemical properties and the ability to fine-tune their reactivity, biocompatibility, flexibility, and resistance to degradation, polymeric materials make it possible to create microarrays with high stability, wide linear detection ranges, more-efficient electron transfer, short analysis time, and high specificity towards the target analyte. The combination of polymers and highly conductive nanomaterials ensures the special electrical and catalytic properties of the new material. Sensing strategies in polymer applications include their direct participation in the sensing mechanism or the immobilization of specific receptors. The Special Issue will disseminate research on recent developments in innovative fabrication methods, the sensing performance of new devices, and the mechanism of synergistic effect of the polymer composites’ components.

Dr. Anna Kharkova
Dr. Vyacheslav A. Arlyapov
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. Polymers 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 2700 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

  • polymer-based sensors
  • nanocomposite polymer-based sensors
  • polymer-modified electrodes
  • conducting polymers-based sensors
  • redox-active polymers-based sensors
  • molecular imprinted polymers
  • polymer immobilized biocatalysts
  • polymer synthesis and modification

Published Papers (1 paper)

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Research

18 pages, 3113 KiB  
Article
A Two-Mediator System Based on a Nanocomposite of Redox-Active Polymer Poly(thionine) and SWCNT as an Effective Electron Carrier for Eukaryotic Microorganisms in Biosensor Analyzers
by Anastasia S. Medvedeva, Elena I. Dyakova, Lyubov S. Kuznetsova, Vladislav G. Mironov, George K. Gurkin, Tatiana V. Rogova, Anna S. Kharkova, Pavel V. Melnikov, Alina O. Naumova, Denis N. Butusov and Vyacheslav A. Arlyapov
Polymers 2023, 15(16), 3335; https://doi.org/10.3390/polym15163335 - 08 Aug 2023
Cited by 1 | Viewed by 972
Abstract
Electropolymerized thionine was used as a redox-active polymer to create a two-mediated microbial biosensor for determining biochemical oxygen demand (BOD). The electrochemical characteristics of the conducting system were studied by cyclic voltammetry and electrochemical impedance spectroscopy. It has been shown that the most [...] Read more.
Electropolymerized thionine was used as a redox-active polymer to create a two-mediated microbial biosensor for determining biochemical oxygen demand (BOD). The electrochemical characteristics of the conducting system were studied by cyclic voltammetry and electrochemical impedance spectroscopy. It has been shown that the most promising in terms of the rate of interaction with the yeast B. adeninivorans is the system based on poly(thionine), single-walled carbon nanotubes (SWCNT), and neutral red (kint = 0.071 dm3/(g·s)). The biosensor based on this system is characterized by high sensitivity (the lower limit of determined BOD concentrations is 0.4 mgO2/dm3). Sample analysis by means of the developed analytical system showed that the results of the standard dilution method and those using the biosensor differed insignificantly. Thus, for the first time, the fundamental possibility of effectively using nanocomposite materials based on SWCNT and the redox-active polymer poly(thionine) as one of the components of two-mediator systems for electron transfer from yeast microorganisms to the electrode has been shown. It opens up prospects for creating stable and highly sensitive electrochemical systems based on eukaryotes. Full article
(This article belongs to the Special Issue Advanced Polymeric Materials in Sensors)
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