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Chien-Han Lab
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The lab uses plants and microorganisms to clean up contaminated environments and recover metals.

AboutAbout the lab
Solving environmental and resource problems with the power of living organisms.
The Chien-Han Lab studies living organisms, including microorganisms, and the environments they inhabit, to deepen understanding of both.
It aims to develop and put into practical use biological (bio) environmental technologies that contribute to a sustainable society.
The lab clarifies how plants and microorganisms remove toxic metals and proposes environmental remediation processes.
Toward a society in which resources circulate, it also works on recovering metals through the action of living organisms.
Key terms
- Toxic metals
- Metals such as arsenic and cadmium that harm the health of people and other living things.
- Environmental remediation
- Removing pollutants from contaminated soil or water to bring it closer to a clean state.
ResearchResearch themes
The lab deepens understanding of living organisms, including microorganisms, and the environments they inhabit. It aims to develop and put into practical use biological (bio) environmental technologies that contribute to realizing a sustainable society.
View More ↗MembersFaculty
The Chien-Han Lab consists of faculty members, research fellows, visiting researchers, doctoral, master's, and undergraduate students, secretaries, and technical assistants.As of 2026
- Associate ProfessorMei-Fang Chien
- Assistant ProfessorNing Han
- Project Assistant ProfessorLeonardo Stari
VoicesStudent voices
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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. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “OR )” U.S. Department of Energy from United States / Public domain (cropped)
- Related lab (Watanabe-Wang Lab): “Sasso 2 Geothermal Power Plant” T. AGEMAR / CC BY 4.0 (cropped)
- Related lab (Iizuka-Ho Lab): “ČBu, wastewater treatment plant 02” Czeva / CC BY-SA 4.0 (cropped)
- Related lab (Okamoto-Oyanagi Lab): “00 3571 Geothermal power plant in New Zealand” W. Bulach / CC BY-SA 4.0 (cropped)
- Related lab (Sakaguchi-Satomi-Sueyoshi Lab): “GeysersGeothermalDrilling1977” Max Crittenden / Public domain (cropped)
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