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Kaneko-Sasaki Lab
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A lab connecting plasma in contact with liquids to medicine, agriculture, and materials.
AboutAbout the lab
Plasma in contact with liquids, applied to medicine, agriculture, and materials
The Plasma Science and Technology Lab clarifies the properties of plasma in contact with liquids and studies its applications.
At atmospheric pressure, the lab uses its own techniques to visualize and study fast phenomena occurring at the interface between plasma and liquid.
Using plasma generated from air and water, the lab produces reactive species used to inactivate bacteria and viruses, and works on developing new sterilization technologies.
Building on electrical and information engineering, the lab conducts joint research with researchers in agriculture, medicine, chemistry, and materials, as well as with private companies.
Key terms
- plasma
- A state in which a gas is given a large amount of energy so that electrons and ions move freely
- reactive species
- Highly reactive molecules. Plasma can produce ones made of hydrogen, nitrogen, and oxygen from air and water
- dinitrogen pentoxide
- A reactive species made of nitrogen and oxygen (N2O5). When dissolved in water, it becomes nitrate ions, which serve as fertilizer for plants
NewsLab news
A joint research group announced research results on plasma nitrogen fixation for lunar agriculture
Co-developed a new air purification system with Nalux Co., Ltd.
ResearchResearch themes
Based on fundamental research on plasma in contact with liquids, the lab develops technologies that can be used in medicine, agriculture, the environment, and materials. It works on gene delivery, sterilization, and plant cultivation, and also advances the control of reactive species generated from air and water.
*Illustrative imageGene delivery using plasma
The lab studies methods that use plasma for gene delivery, which introduces genes into cells from outside. To reduce cell damage and differences between cell types, it controls plasma above liquid, plasma in liquid, and pulsed electric fields.
*Illustrative imageSterilization and virus inactivation made from air
The lab develops technology that ignites plasma with energy obtained from sources such as solar power and synthesizes bactericidal reactive species on-site from air. It searches for reactive species that act strongly on bacteria and viruses while minimizing effects on the human body.
*Illustrative imageActivating plant immunity
The lab develops a technology that sprays plants with dinitrogen pentoxide gas, synthesized from air by plasma, to activate the plants' own immunity. In Arabidopsis thaliana, it has confirmed that infection and proliferation of pathogens are suppressed.
*Illustrative imageCultivation that increases functional components in plants
The lab applies reactive species made from air and water by plasma during cultivation, and works on growing strawberries rich in functional components. It has shown that dinitrogen pentoxide gas increases essential oil components in basil.
MembersFaculty
The Plasma Science and Technology Lab's members consist of faculty, a Project Assistant Professor, secretaries, research assistants, graduate and research students, and undergraduate students.As of 2026
- ProfessorToshiro Kaneko
- Associate ProfessorShota Sasaki
- Project Assistant ProfessorKalyani Barman
- Project Assistant ProfessorSiqi Deng
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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: “Generator of atmospheric arc discharge plasma” Relyon Plasma GmbH / CC BY-SA 4.0 (cropped)
- Gene delivery using plasma: “Plasma Trees” Themarnicle / CC BY 4.0 (cropped)
- Sterilization and virus inactivation made from air: “Ionization tube with corona” BentaxGermany / CC BY-SA 3.0 (cropped)
- Activating plant immunity: “Arabidopsis thaliana flower” Peggy Greb, U.S. Department of Agriculture / Public domain (cropped)
- Cultivation that increases functional components in plants: “Interior view of strawberry high tunnel greenhouse with garlic intercropping in Umm Haratayn al-Gharbiyah, Syria” Hayan Alhasan / CC BY-SA 4.0 (cropped)
- Related lab (Energy Generation Systems Lab): “Plasma source” Driveraorona / CC BY-SA 4.0 (cropped)
- Related lab (Kato (Toshiaki)-Okada Lab): “Carbon nanotube zigzag povray cropped” Carbon_nanotube_zigzag_povray.PNG: Arnero derivative work: Antony-22 (talk) / Public domain (cropped)
- Related lab (Ubiquitous Energy Lab): “MSS1 CDSM flight model” A. Pollinger / CC BY 4.0 (cropped)
- Related lab (Advanced Spintronics Medical Application Engineering Joint Research Lab): “Hall sensor square van der Pauw Geometry” Panoga / CC BY-SA 4.0 (cropped)
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