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Uetani Lab
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The lab conducts basic and applied research that opens up new characteristics of cellulose.
AboutAbout the lab
Finding the unique character of cellulose.
The Uetani Lab carries out basic and applied research that opens up new characteristics of cellulose.
To help overcome social challenges such as environmental problems and the severe situation surrounding petrochemical resources, the lab aims to conduct engineering research that "creates value" with future user experience in mind.
Motivated by the question of what new value cellulose can offer, and by the goal of enhancing its brand value from a scientific perspective, the lab takes on new challenges every day.
Key terms
- Nanofiber
- An ultrafine fiber made by breaking down biomass raw material into fine pieces. Its surface chemical composition determines its properties.
- Defibrillation treatment
- A treatment that breaks down biomass raw material into fine pieces. Fibers with different morphologies are produced depending on the degree of treatment.
ResearchResearch themes
Using cellulose and chitin nanofibers as materials, the lab works on evaluating their morphology and structure, the relationship between chemical composition and physical properties, and their use in heat dissipation. It takes on the challenge of visualizing nanostructures and aims to open up new applications for bio-nanofiber materials.
*Illustrative imageTechniques for measuring fiber shape and structure
The shape of cellulose and chitin nanofibers changes depending on the degree of defibrillation treatment. Techniques for evaluating shape and structure are therefore essential, and the lab takes on the challenge of visualizing nanostructures by developing structural evaluation techniques based on new optical indices.
*Illustrative imageExploring new functions from chemical composition and physical properties
For ultrafine bio-nanofibers, the surface chemical composition determines their properties, so physical properties can be designed by designing and controlling that composition. By consistently designing and evaluating both the microscopic chemical composition and the macroscopic physical properties, the lab opens up new applications.
*Illustrative imageHeat-dissipating composite materials and heat dissipation mechanisms
The lab develops thermal management materials that spread and dissipate heat freely by highly integrating bio-nanofibers with materials such as carbon fibers. Using 3D patterning and laser-based kirigami (cut-paper) processing, it is developing unique heat dissipation mechanisms.
MembersFaculty
- Associate ProfessorKojiro Uetani
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: “Irving Pulp & Paper mill” Quintin Soloviev / CC BY 4.0 (cropped)
- Techniques for measuring fiber shape and structure: “Bamboo fiber microscope” tamakisono / CC BY 2.0 (cropped)
- Exploring new functions from chemical composition and physical properties: “Chemical composition from top” Dnvrguy1 / CC BY-SA 4.0 (cropped)
- Heat-dissipating composite materials and heat dissipation mechanisms: “Pin fin heat sink with a z-clip” Dtc5341 / Public domain (cropped)
- Related lab (今堀研究室): “Chemical traffic light reaction (green)” Pnotporn / CC BY-SA 4.0 (cropped)
- Related lab (伊村研究室): “Clustered titanium oxide nanoparticles on stainless steel - 3” Iuliia Karlagina / CC BY-SA 4.0 (cropped)
- Related lab (橋詰研究室): “Nacreous aragonite ("mother-of-pearl") 7” James St. John / CC BY 2.0 (cropped)
- Related lab (国村研究室): “Préparation d'échantillons pour l'analyse de la composition chimique de roches par fluorescence X (Ifremer )” Stephane Lesbats / CC BY 4.0 (cropped)
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