Polymeric ionic liquids as effective components of biosensors

Dmitry Kultin; Olga Lebedeva; Irina Kuznetsova; Leonid Kustov

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Polymeric ionic liquids as effective components of biosensors

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¹ Department of Chemistry, Lomonosov Moscow State University, Moscow, Russia
² N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Russia

Academic Editor: Paolo Bollella

Published: 02 May 2025 by MDPI in The 5th International Electronic Conference on Biosensors session Ingestible, Implantable and Wearable Biosensors

Abstract:

Introduction. Polymer ionic liquids (PILs) are a new class of ionic liquids that have great potential in various fields of application. PILs play a role in business development, prosperity, and high business activity, as well as in the development of business in general[1,2]. These are polyelectrolytes that contain a polymer base and, at the same time, must have fragments of ionic liquid (IL) in each of the links, which are repeated. These ionic polymers can be fully insulated for a long time.

PILs in medicine. Multidimensional sensor devices based on PILs are extremely promising for the development of high-performance screening in the field of environmentally friendly chemistry and biology, while providing easier identification of a variety of analyzed substances.

PILs as electronic skin. PILs can also be considered an ionic skin. These are self-healing materials that allow partial or even complete self-healing after damage and essentially mimic natural systems. Such sensors are beneficial to monitoring human body movement.

PIL actuators in dielectric elastomers. These substances and materials are necessary for soft robotics and medical purposes and are being actively improved at the moment. Development and progress in this area are directly related to decision making. The latest research is now focused on the synthesis and testing of more advanced actuators fabricated from PIL–dielectric elastomers.

Conclusions. The unique properties present great prospects for PIL research in these areas, where progress and breakthrough technologies can be expected in the coming years.
The research was carried out under Russian National Research Project No. AAAAA-A21–122040600057–3.
References

Lebedeva, O.; Kultin, D.; Kustov, L. Advanced Research and Prospects on Polymer Ionic Liquids: Trends, Potential and Application. Green Chem. 2023, 10.1039.D3GC02131A, doi:10.1039/D3GC02131A.
Lebedeva, O.; Kultin, D.; Kustov, L. Polymeric Ionic Liquids: Here, There and Everywhere. European Polymer Journal 2024, 203, 112657, doi:10.1016/j.eurpolymj.2023.112657.

Keywords: Polymeric ionic liquids; Sensors; Electronic skin; Dielectric elastomer actuators

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