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Oshima-Akizuki Lab
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The lab studies laboratory safety and the engineering use of supercritical fluids.
AboutAbout the lab
Laboratory safety and supercritical fluids
Oshima-Akizuki Lab studies laboratory safety and the engineering use of supercritical fluids.
At Oshima Lab, the laboratory is viewed as a system made up of people, objects, and places, and safety is approached through human cognition and behavior.
At Akizuki Lab, researchers use supercritical water and other substances that have special properties at high temperature and high pressure to develop environmentally friendly chemical processes.
After joining the lab, undergraduate students have an interview and, taking their preferences into account, work in one of the two fields.
Key terms
- Supercritical fluid
- A state of matter in which temperature and pressure are raised beyond the critical point. Depending on the conditions, its ability to dissolve substances can be changed greatly.
- Subcritical water
- High-temperature, high-pressure water at conditions slightly below the critical point. Organic compounds dissolve easily in it, and the water itself drives acid-catalyzed reactions.
- Solid catalyst
- A solid substance, such as a metal or metal oxide, that speeds up reactions on its surface. It can be separated out and reused easily.
- Green chemistry
- An approach that aims for environmentally friendly chemistry by reducing substances and waste that are harmful to people and the environment.
NewsLab news
Associate Professor Akizuki received the SFC/SFE Best Poster Award
A master's student received the Graduate School Dean's Award for their master's thesis
A master's student received the Department Chair's Award for their master's thesis
A master's student received the Best Student Award at the 91st Annual Meeting of the Society of Chemical Engineers, Japan
Associate Professor Akizuki's review article was published in Oleoscience
ResearchResearch themes
The lab conducts scientific research on laboratory safety from the perspective of cognition, thinking, and behavior, as well as research on the engineering use of supercritical fluids with the aim of achieving green chemistry. Oshima Lab focuses mainly on laboratory safety and Akizuki Lab on supercritical fluids, and the two groups hold their lab seminars jointly.
*Illustrative imageExploring the "Sense of Danger" with Questionnaires
The "sense of danger" is the ability to judge the hazards of chemicals from knowledge and experience. The lab is developing methods that use questionnaires and statistical analysis to make visible what this sense consists of and how people acquire it.
*Illustrative imageAnalyzing Behavior from the Way People Work
Participants carry out tasks such as filling water up to a marked line, and each person's characteristic movement habits are expressed with a mathematical model. The aim is to predict people's behavior during experiments.
*Illustrative imageReading Intentions from Eye Movements
Using eye-tracking cameras, the lab measures where people look while they work and examines what they looked at for a long time and in what order. Combined with interview results, this has made the relationship between looking and awareness of danger visible.
*Illustrative imageOrganic Synthesis in High-Temperature, High-Pressure Water
Using subcritical and supercritical water instead of harmful organic solvents, the lab studies organic synthesis with solid catalysts, as well as reactions that convert unused resources such as biomass into chemical products.
MembersFaculty
The members of Oshima-Akizuki Lab consist of faculty, secretaries, doctoral, master's, and undergraduate students, and research students.As of 2026
- ProfessorYoshito OshimaPublications ↗
- Associate ProfessorMakoto AkizukiPublications ↗
- Assistant ProfessorAi ShuharaPublications ↗
- Assistant ProfessorYukiko NezuPublications ↗
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: “Supercritical Fluids Reactor” RHanush / CC BY-SA 4.0 (cropped)
- Exploring the "Sense of Danger" with Questionnaires: “Cuestionario” Emmanuel yo / CC BY-SA 4.0 (cropped)
- Analyzing Behavior from the Way People Work: “Volumetric flask” Jeffrey M. Vinocur / CC BY 2.5 (cropped)
- Reading Intentions from Eye Movements: “EyeTracking Spectacles” Anatolich1 / CC BY-SA 3.0 (cropped)
- Organic Synthesis in High-Temperature, High-Pressure Water: “Supercritical water” Geologician / CC BY-SA 4.0 (cropped)
- Related lab (Ito (Inagaki) Lab): “Superabsorber Hydrogel KSG 2917 pK” Petra Klawikowski / CC BY-SA 3.0 (cropped)
- Related lab (Ogura Lab): “Framework structure of the FAU-type zeolite” Nao1958 / CC0 (cropped)
- Related lab (Takanabe-Obata-Kishimoto Lab): “Heterrogenous catalysis across scales” Edvin Fako / CC BY-SA 4.0 (cropped)
- Related lab (Mogi Lab): “Conflagration near Bautzen Germany 102” StMH / CC BY-SA 3.0 (cropped)
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