Kengo Shibuya

Assistant Professor, Graduate School of Arts and Sciences, University of Tokyo, Japan
  • University of Tokyo, Japan
  • Japan

About Kengo Shibuya

I have changed the specialty twice, which allows me to take advantage of having a larger number of 'drawers'. I graduated from the Department of Nuclear Engineering in 2000 and my postgraduate study was on the development of materials for luminescent radiation sensors (scintillators). I received the Presentation Award of the Japan Society of Applied Physics in 2002, the first prize in the university's student invention contest in 2004, and a PhD from the University of Tokyo in 2005. Until 2009, I worked as a postdoc at the National Institute of Radiological Sciences, where I developed a radiation detector for positron emission tomography (PET) scanners. I also investigated the angular deviation that imposes a physical limit with PET. Currently (since 2009), I am an assistant professor at the University of Tokyo, where I study the interaction between positronium and matter and was awarded the Young Investigator Award of the Physical Society of Japan in 2015. For the time being, I hope to work both on pure sciences in atomic physics and applied research to establish new PET methodologies.

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PO2 measurement using positronium in PET for hypoxia imaging

During a PET scan, ca. 100 billion 'nano-size oxygen-meters' are spontaneously created and annihilated in the human body, and the name of the oxygen-meter is positronium. Here we show how to read these oxygen-meters as a new methodology for hypoxia imaging.

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