Isotope Science Center cotributes to isotope-related researches in various field, by providing equipment and facilities to researchers at the university of Tokyo. The joint-use research enables researchers to conduct research that would be difficult at the radiation facilities of individual departments.

Joint-Use Menu

Announcement to Joint-Use researcher

  • Notice of Planned Blackouts


    Sunday, September 22, 2024, 8:00 a.m. to 12:00 p.m.

    During the power outage, entry into the center building will be prohibited.
    Please turn off the power to all equipment, PCs, etc. that you are in charge of.

    Please refer to the portal for details.

  • The Center will be closed for the summer

    Dear Joint-User

    Isotope Center will be closed during the following period to save electricity.
    Please note that the Center will be closed on holidays, and the management area will not be available for use.
    However, please obtain approval procedures from the person in charge of receiving visitors before using the facility.

       Tuesday, August 13, 2024 - Wednesday, August 14, 2024
       (Monday, August 12, 2024 will be a substitute holiday for Mountain Day (8/11))

  • Regular cleaning

    [Date & Time].
     August 8(Thursday) and 9 (Friday), 2024
     December 5 (Thursday) and 6 (Friday), 2024
     March 6 (Thursday) and 7 (Friday), 2025
     Inside the controlled area (8/8,12/5,3/6) Outside the controlled area (8/9,12/6,3/7)
     Sun Amenity Co.
     Please note that RI cannot be used during the week of regular cleaning due to room contamination inspection and decontamination. However, if you use RI in the area to be cleaned after the contamination test, please conduct your own contamination test and report it to the Management Office. If you cannot do so, please do not conduct any RI experiments. (The person in charge of receiving the materials is responsible for handling this matter.

  • Notice of Fire Equipment Inspection

    Fire equipment inspection will be conducted as follows

    Date: Wednesday, June 19, 2024 (all day)
    Contractor: Kanto Kowa

    During the inspection, fire alarm systems in rooms may be checked and emergency bells may ring.
    Please inform the users of this information.

  • The RI storage tank Cleaning Notice

    The RI storage tank will be cleaned on the following schedule.


    Date and time: Thursday, June 6, 2024 - Friday, June 7, 2024
    Contractor Daiwa Atomic Engineering Co.

    From Wednesday, June 5 to the end of the storage tank cleaning,
    Please refrain from using the water supply and toilets in the management area as much as possible.


The University of Tokyo Isotope Science Center

Radiation Management Team

2-11-16 Yayoi, Bunkyo, Tokyo 113-0032, Japan