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Updated: Jul 31, 2025

FRET Imaging in Three-dimensional Hydrogels

FRET Imaging in Three-dimensional Hydrogels

Published on: August 1, 2016

CO₂-responsive gels.

Ross D Jansen-van Vuuren¹, Sina Naficy², Maedeh Ramezani³

¹Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, 1000 Ljubljana, Slovenia.

Chemical Society Reviews

|May 2, 2023

Summary

This summary is machine-generated.

CO2-responsive gels offer tunable properties for various applications. These smart materials change in response to carbon dioxide (CO2), enabling applications in fluid control and carbon capture.

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Area of Science:

Materials Science
Polymer Chemistry
Chemical Engineering

Background:

Carbon dioxide (CO2) is an abundant, inexpensive, and environmentally benign stimulus.
CO2-responsive materials exhibit property changes upon CO2 introduction or removal.
CO2-responsive gels, a subset of CO2-responsive polymers, show unique swelling and morphological changes.

Purpose of the Study:

To review the preparation, properties, and applications of CO2-responsive gels.
To classify CO2-responsive gels by particle size: nanogels, microgels, aerogels, and macrogels.
To highlight CO2-induced self-assembled gels, including poly(ionic liquid) gels.

Main Methods:

Literature review of 90 peer-reviewed publications over the past 15 years.
Classification of CO2-responsive gels based on particle size.
Categorization of applications based on exploited properties.

Main Results:

CO2-responsive gels are investigated for applications in Enhanced Oil Recovery (EOR) and CO2 sequestration.
Key properties exploited include CO2-triggered aggregation for fluid flow control and reversible CO2 absorption-desorption.
The review covers nanogels, microgels, aerogels, macrogels, and CO2-induced self-assembled gels.

Conclusions:

CO2-responsive gels represent a significant area of research with diverse applications.
Their tunable nature and response to CO2 make them promising for advanced material technologies.
Further development in CO2-responsive gel technology is expected for industrial and environmental solutions.