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Elastic-Electric Coefficient-Sensitive Hydrogel Sensors toward Sweat Detection.
Bin Shen1, Wenjing Peng1, Bingtian Su1,2
1Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, College of Chemistry and Materials Science, School of Physical Education, Jinan University, 510632 Guangzhou, China.
Analytical Chemistry
|January 10, 2022
Summary
A novel hydrogel sensor uses elastic-electric sensitivity for precise chemical detection. This versatile material enables complex analyses, including sweat recognition, for applications in health and environmental monitoring.
Area of Science:
- Biomaterials Science
- Chemical Sensing
- Analytical Chemistry
Background:
- Complex biological and environmental systems require advanced detection methods.
- Multi-analyte identification necessitates responsive and facile sensing materials.
- Existing methods face challenges in multivariate analysis.
Purpose of the Study:
- To develop a novel sensing material for discriminative analysis of various chemicals.
- To propose an elastic-electric coefficient sensitivity strategy using hydrogel.
- To explore the potential of hydrogels in complex biological fluid analysis.
Main Methods:
- Fabrication of a hydrogel using amino trimethylene phosphonic acid-assisted poly(vinyl alcohol).
- Investigation of elastic sensitivity via the Hofmeister effect.
- Exploration of electric sensitivity through hydrated ion migration.
Main Results:
- The developed hydrogel sensor demonstrates elastic-electric coefficient sensitivity.
- The sensor can successfully qualify and quantify diverse chemicals, including cations, anions, amino acids, saccharides, and lactate.
- The hydrogel sensor achieved complex sweat recognition.
Conclusions:
- The proposed elastic-electric coefficient sensitivity strategy offers a facile method for multi-analyte identification.
- The hydrogel sensor shows promise for applications in environmental monitoring, disease diagnosis, and athletic training optimization.
- This work highlights the potential of rationally designed hydrogels in advanced chemical sensing.
