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Functional Polymer Gel Chemistry Lab
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The lab develops gels driven by chemical reactions as tiny power sources for analytical chips.

AboutAbout the lab
Gels driven by chemical reactions as power inside microchannels
The Functional Polymer Gel Chemistry Lab works on polymer gel components that move on the energy of chemical reactions (gel actuators).
As a cooperative graduate school of the Chemistry Degree Program, the lab is located at the Tsukuba Center of the National Institute of Advanced Industrial Science and Technology (AIST).
Gel actuators can operate even when made very small, so the lab aims to use them as power sources for pumps and mixers built into microchannels.
The lab's goal is to make disposable analytical chips that need no external power supply or external control device, and to apply them to biological and medical analysis.
Key terms
- Gel actuator
- A gel component that converts the energy of a chemical reaction directly into motion. It can operate even at micrometer scale.
- Microchannel
- A tiny channel used for biological and medical analysis and other purposes. Power sources such as pumps to move liquid and mixers to blend it are essential.
- BZ reaction
- A type of oscillating reaction (the Belousov-Zhabotinsky reaction). It powers the swelling and shrinking of self-oscillating gels.
ResearchResearch themes
The lab works on using gel actuators, which convert chemical reactions directly into mechanical energy, as ultra-small power sources such as pumps and mixers for microchannels. Because chemical reactions are the energy source, no external power supply is needed, and the lab aims to build analytical systems that can be used anywhere.
View More ↗MembersFaculty
- Associate ProfessorYusuke Hara
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images.
- Top image: “Belousov Zhabotinsky reaction ( )” Stephen Morris from Toronto, Canada / CC BY 2.0 (cropped)
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