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Biological and Environmental Engineering Lab
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The lab studies how plants relate to environmental factors such as light and CO2, and applies the findings to crop production.
AboutAbout the lab
Understanding and applying the relationship between organisms and their environment
The Biological and Environmental Engineering Lab mainly studies the relationship between plants and their environment at the tissue, organ, individual plant, and canopy levels.
How organisms grow is influenced by their environment, and organisms in turn affect their environment through their living activities.
By understanding this relationship, the lab aims to develop ways to make crop production more efficient, improve the quality of products, and help solve environmental problems.
The lab works on topics at the boundary between engineering and biology, ranging from developing methods to control light, water, and gas environments to analyzing how photosynthesis responds to the environment.
Key terms
- Plant factory
- A facility that grows plants inside a building where light, temperature, CO2, and other conditions are managed artificially
- Spectral distribution
- The relative intensity of each color (wavelength) contained in light. It corresponds to the "composition" of the light
- CO2 enrichment
- A method of adding CO2 (carbon dioxide) inside a greenhouse to increase plant photosynthesis
ResearchResearch themes
The lab analyzes the relationship between plants and their environment at levels from tissue to canopy, aiming to gain new knowledge and open up new research areas. Its research covers the boundary between engineering and biology, from developing methods to control light, water, and gas environments for greenhouses and plant factories to analyzing how photosynthesis responds to the environment.
*Illustrative imageLED Light Sources That Reproduce Sunlight
To study plants under light close to natural conditions, the lab is developing an artificial LED light source system that produces light with a spectral distribution close to sunlight and can also change the composition of the light in rapid succession at short intervals.
*Illustrative imageProducing Pharmaceutical Proteins in Plants
This research has plants produce proteins used as vaccines and therapeutics in a plant factory with artificial lighting. Focusing on transient gene expression in Nicotiana benthamiana, the lab investigates how to adjust the environment to suit this method.
*Illustrative imageLight Environment and Photosynthesis
This research analyzes how the light environment affects photosynthesis, and applies the results to light control in greenhouses and plant factories. Currently, the lab focuses on the effects of light that changes over time (fluctuating light).
*Illustrative imageDeciding CO2 Enrichment in Greenhouses Based on Cost-Effectiveness
The lab is developing a method to estimate on the spot how much whole-plant photosynthesis increases at a given rate of CO2 supply to a greenhouse, and aims to establish an approach that decides how to supply CO2 based on cost-effectiveness.
MembersFaculty
The members of the Biological and Environmental Engineering Lab consist of faculty, doctoral, master's, and undergraduate students (including international students), project researchers, and academic specialists.As of 2026
- ProfessorRyo MatsudaPublications ↗
- Assistant ProfessorJiyoon LeePublications ↗
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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: “Plant production with LED lighting” Flatengine / CC BY-SA 3.0 (cropped)
- LED Light Sources That Reproduce Sunlight: “LED panel and plants” NASA Marshall Space Flight Center / Public domain (cropped)
- Producing Pharmaceutical Proteins in Plants: “Nicotiana benthamiana” Chandres / CC BY-SA 3.0 (cropped)
- Light Environment and Photosynthesis: “Cucumber seedlings” Pascal Kings / CC BY 4.0 (cropped)
- Deciding CO2 Enrichment in Greenhouses Based on Cost-Effectiveness: “Cucumber in the greenhouse 3” Pascal Kings / CC BY 4.0 (cropped)
- Related lab (Bioprocess Engineering Lab): “Flours” Mudd1 / CC BY-SA 3.0 (cropped)
- Related lab (Irrigation and Water Environment Engineering Lab): “Irrigation channel beside a rice field 8298941” 夢の
散歩 / CC BY-SA 3.0 (cropped) - Related lab (Biological Machinery Engineering Lab): “Titan FT35 FarmWise3” PaulineCant / CC BY-SA 4.0 (cropped)
- Related lab (Environmental Soil and Water Science Lab): “Soil Profile Containing an Argillic Horizon” Cjrufe / CC0 (cropped)
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