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Biological Systems Engineering Lab
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The lab uses near-infrared and terahertz waves to measure wood and fruit without damaging them.

AboutAbout the lab
Measuring biological resources with invisible electromagnetic waves
The Biological Systems Engineering Lab studies non-destructive measurement of wood-based materials, fruit, food, and plants using electromagnetic waves such as near-infrared and terahertz waves.
The lab analyzes spectra obtained from complex samples using statistics, chemometrics, and machine learning to build models that extract the quality of interest without damaging the sample.
In addition to developing measurement systems through hardware and software control, the lab also conducts basic research on how light scatters inside samples.
The lab aims to use woody biomass and other organisms, which are circular resources, without waste.
Key terms
- Near-infrared
- An invisible electromagnetic wave that lies between visible light and infrared radiation
- Terahertz waves
- Invisible electromagnetic waves that lie between infrared radiation and microwaves
- Non-destructive
- Examining the properties of a sample without breaking or damaging it
NewsLab news
A master's student received the President's Award of the Japan Forest Technology Association at the 35th Student Forest Technology Research Paper Contest
A paper from the lab was selected for the 18th Japan Wood Research Society Paper Award
Associate Professor Tetsuya Inagaki received the 2024 Nagoya University Award for Faculty Members in Undergraduate General Education
Associate Professor Tetsuya Inagaki published a practical book on spectral analysis
ResearchResearch themes
The lab believes that using wood and agricultural products with confidence requires quickly identifying the properties of each item without damaging it. The lab works on non-destructive measurement using near-infrared and terahertz waves and on artificial control of plant growing environments, with the aim of reducing the burden on the global environment.
*Illustrative imageMeasuring wood and fruit with invisible electromagnetic waves
The lab uses near-infrared waves, which lie between visible light and infrared radiation, and terahertz waves, which lie between infrared radiation and microwaves. It studies methods for measuring biomass, mainly wood, and agricultural products such as fruit without damaging them.
*Illustrative imageArtificial control of growing environments and plant productivity
The lab conducts research on improving plant productivity through artificial control of growing environments. Together with its measurement research, this work is organized as a project under the broad goal of reducing the burden on the global environment.
MembersFaculty
The members of the Biological Systems Engineering Lab are faculty, visiting researchers, and doctoral, master's, and undergraduate students.
- ProfessorSatoru Tsuchikawa
- Associate ProfessorTetsuya Inagaki
- Assistant ProfessorTe Ma
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: “JPL Engineers Work on Carbon Mapper Imaging Spectrometer (PIA25869)” NASA Jet Propulsion Laboratory / Carbon Mapper/JPL-Caltech / Public domain (cropped)
- Measuring wood and fruit with invisible electromagnetic waves: “Spectroscopy; Terahertz spectroscopy; Biomolecule dynamics ( )” National Institute of Standards and Technology / Public domain (cropped)
- Artificial control of growing environments and plant productivity: “Hydroponic lettuce leaves dark red” Leon Brooks / Public domain (cropped)
- Related lab (Wood Physics Lab): “Timber Wood - geograph.org.uk - 187429” Derek Harper / CC BY-SA 2.0 (cropped)
- Related lab (Wood Engineering Lab): “SI-MODULAR Tragwerk Deutschland 2019” Halu Stell / CC0 (cropped)
- Related lab (Circular Resources Utilization Lab): “Cross-section of an Oak Log Showing Growth Rings” Rbreidbrown / CC BY-SA 4.0 (cropped)
- Related lab (Forest and Society Coexistence Lab): “Temuan headman in his community forest garden” Pakbelang / CC0 (cropped)
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