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Polymers
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Conducting Polymer Nanocomposites as Promising Sensing Platform
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Conducting Polymer Nanocomposites as Promising Sensing Platform

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

Deadline for manuscript submissions: closed (30 April 2026) | Viewed by 871

Special Issue Editors

Prof. Dr. Almira Ramanavičienė

E-Mail Website
Guest Editor
1. NanoTechnas—Center of Nanotechnology and Materials Science, Institute of Chemistry, Faculty of Chemistry and Geo-sciences, Vilnius University, LT-03225 Vilnius, Lithuania
2. Department of Immunology and Bioelectrochemistry, State Research Institute Centre for Innovative Medicine, LT-08406 Vilnius, Lithuania
Interests: biosensors; immunosensors; bioanalytical chemistry; nanomaterials; conducting polymers; nanotechnology; nanobiotechnology; electrochemical; optical and piezoelectric signal transducers
Dr. Natalija German

E-Mail Website
Guest Editor Assistant
Department of Immunology and Bioelectrochemistry, State Research Institute Centre for Innovative Medicine, LT-08406 Vilnius, Lithuania
Interests: bio- and electrochemistry; biomedicine; biosensors; the transport of electrons; conducting polymers; nanotechnology; nanocompounds; the immobilization of enzymes; heavy metals
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Conducting polymers (CPs) are very attractive due to their properties and their role in recent technological advantages. They are widely used in electrocatalysis, for corrosion prevention, as suitable matrices for the immobilization of biomolecules and for improving the performance of various biomedical devices. Additionally, CPs combined with electroactive nanoparticles are very popular composites in sensor and biosensor design. This combination leverages the advantages of both materials to enhance the sensitivity, stability, and response time of many analytical techniques.

This Special Issue aims to present a multidisciplinary approach to the innovative fabrication and application of CP nanocomposites in sensor development. Special attention will be directed towards the use of various sensing platforms in biomedicine, clinical analysis, food and beverage quality control, construction of biofuel cells, electrochemical and optical biosensors and immunosensors. We invite you to submit to this Special Issue original research papers, communications, and review articles.

Prof. Dr. Almira Ramanavičienė
Guest Editor

Dr. Natalija German
Guest Editor Assistant

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 250 words) can be sent to the Editorial Office for assessment.

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

  • electrochemistry
  • biomedicine
  • biosensors
  • the transport of electrons in electrochemical systems
  • conducting polymers
  • nano-compounds
  • the immobilization of enzymes
  • nanomaterials

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Published Papers (2 papers)

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Research

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18 pages, 1050 KB  
Article
Novel Enzymatic Reagentless Glucose Biosensors Based on Noble Metal Nanostructures
by Natalija German, Anton Popov and Almira Ramanaviciene
Polymers 2026, 18(11), 1273; https://doi.org/10.3390/polym18111273 - 22 May 2026
Viewed by 84
Abstract
Reagentless glucose biosensors with redox mediator—polymerized 1,10-phenanthroline-5,6-dione (pPD)—were developed and electrochemically investigated. Three types of biosensors based on graphite rod (GR) electrodes modified by (i) 13 nm of gold nanoparticles (AuNPs), (ii) electrochemically synthesized dendritic gold nanostructures (DAuNSs), and (iii) platinum nanostructures (PtNSs) [...] Read more.
Reagentless glucose biosensors with redox mediator—polymerized 1,10-phenanthroline-5,6-dione (pPD)—were developed and electrochemically investigated. Three types of biosensors based on graphite rod (GR) electrodes modified by (i) 13 nm of gold nanoparticles (AuNPs), (ii) electrochemically synthesized dendritic gold nanostructures (DAuNSs), and (iii) platinum nanostructures (PtNSs) were prepared. All electrodes were modified by glucose oxidase (GOx), and the pPD was polymerized for 2 h. Thus, GR/AuNPs/GOx/pPD, GR/DAuNSs/GOx/pPD, and GR/PtNSs/GOx/pPD electrodes were developed and electrochemically characterized. The electrode without noble metal nanostructures (GR/GOx/pPD) was used as the control. The biosensor based on the GR/DAuNSs/GOx/pPD electrode exhibited the best performance, with the sensitivity of 2.58 μA/(mM cm2), the linear range up to 93.7 mM, the limit of detection 0.182 mM, the reproducibility and repeatability of 4.99 and 4.80%, and the storage stability (50% of initial current responses (t1/2)) for up to 19 days. The achieved high resistance to interfering materials enabled precise glucose detection in real samples, including human serum and beverages. The technological solutions presented in this paper are anticipated to provide opportunities and benefits of developing novel enzymatic reagentless glucose biosensors based on noble metal nanostructures for use in clinical assays and general diagnostics, including blood glucose monitoring in people with diabetes. Full article
(This article belongs to the Special Issue Conducting Polymer Nanocomposites as Promising Sensing Platform)

Review

Jump to: Research

30 pages, 22442 KB  
Review
Polyurethane-Based Composites for Flexible Sensors: A Review
by Yang Yang, Chao Sun, Xing Zheng and Xinyu Li
Polymers 2026, 18(10), 1254; https://doi.org/10.3390/polym18101254 - 21 May 2026
Viewed by 212
Abstract
The rapid advancement of flexible electronics technology has endowed flexible sensors with significant application potential in fields such as wearable sensors, bionic skin, and human–machine interaction, owing to their excellent conformability, stretchability, and comfort. However, as application scenarios continue to expand and deepen, [...] Read more.
The rapid advancement of flexible electronics technology has endowed flexible sensors with significant application potential in fields such as wearable sensors, bionic skin, and human–machine interaction, owing to their excellent conformability, stretchability, and comfort. However, as application scenarios continue to expand and deepen, higher requirements are imposed on sensor performance in terms of sensitivity, stability, biocompatibility, environmental friendliness, and multifunctional integration. Polyurethane composites, leveraging their intrinsic characteristics, including tunable molecular structure, superior flexibility, and good biocompatibility, can effectively impart properties such as electrical conductivity, self-healing capability, and high sensitivity through compositing with various functional materials, thereby precisely aligning with the diverse demands of next-generation flexible sensors. This article systematically reviews the synthesis strategies of polyurethane composites; provides a detailed analysis of the roles of fillers—including carbon-based materials, polymers, and metal nanoparticles/nanowires—in enhancing the mechanical, electrical, and functional properties of the composites; and further summarizes the research progress of polyurethane composite-based flexible sensors in cutting-edge areas such as eco-friendly sensing, human motion monitoring, health monitoring, and bionic electronic skin. Future development trends are also discussed, aiming to provide insights for the design and development of high-performance flexible sensors. Full article
(This article belongs to the Special Issue Conducting Polymer Nanocomposites as Promising Sensing Platform)
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