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Hydrogels for Chemical Sensing and Biosensing.

Haizheng Li1, Chunai Dai1, Yuandu Hu1,2

  • 1Department of Materials Science and Engineering, School of Physical Sciences and Engineering, Beijing Jiaotong University, Beijing, 100044, China.

Macromolecular Rapid Communications
|September 30, 2023
PubMed
Summary

Hydrogels are versatile materials for chemical and biosensing applications. Their tunable properties allow for sensitive detection of specific analytes, with potential uses in biomedical and wearable devices.

Keywords:
biosensingchemical sensinghydrogelsresponsiveness

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Area of Science:

  • Materials Science
  • Analytical Chemistry
  • Biomedical Engineering

Background:

  • Hydrogels offer tunable physical and chemical properties for specific applications.
  • Their sensitivity to external stimuli makes them suitable for sensing.
  • Customization of hydrogel chemistry is key for targeted sensing.

Purpose of the Study:

  • To review hydrogels and their applications in chemical and biosensing.
  • To focus on hydrogels as sensing materials for specific analytes.
  • To introduce and summarize different types of responsive hydrogels.

Main Methods:

  • Review of literature on hydrogel synthesis and applications in sensing.
  • Analysis of how hydrogel properties can be modified for sensing.
  • Categorization of responsive hydrogel types.

Main Results:

  • Hydrogels can be chemically modified to act as effective sensing materials.
  • Responsive hydrogels exhibit tailored sensitivity to specific analytes.
  • Diverse hydrogel structures enable various sensing mechanisms.

Conclusions:

  • Hydrogels are valuable for chemical and biosensing due to their adaptable nature.
  • Modified hydrogels show significant potential in biomedical and emerging fields.
  • Future applications include advanced wearable sensing devices.