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Advanced electron spin dynamics measurements in microscopy

Research Project

Project/Area Number 15K13618
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Physical chemistry
Research InstitutionThe University of Tokyo

Principal Investigator

WOODWARD Jonathan  東京大学, 大学院総合文化研究科, 准教授 (80526054)

Project Period (FY) 2015-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2015: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
KeywordsTIRF microscopy / Spin Dynamics / Magnetic Field / Radical Pair / SEMF / RYDMR / Spin dynamics
Outline of Final Research Achievements

This project involved developing, evaluating and comparing new microscopic approaches to the observation of magnetic field effects on radical pair (RP) reactions. Such approaches are important in unravelling the mechanism of animal magnetoreception at the cellular level. There were two main goals: 1) to enable the application of rapidly switched and oscillating magnetic fields to the sample along with the ability to apply the magnetic field in any direction relative to the spectroscopic observation axis and 2) to allow the simultaneous acquisition of Time-Resolved Optical Absorption (TROA) signals at multiple wavelengths. The research resulted in the development of two new microscopes. The first is based on Total Internal Reflection Fluorescence (TIRF) microscopy and allows the observation of individual RPs as well as achieving goal 1). The second is a TROA based instrument that achieves goals 1) and 2).

Report

(3 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • Research Products

    (7 results)

All 2016 Other

All Presentation (5 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results) Remarks (2 results)

  • [Presentation] Magnetosensitive microspectroscopy of spatially constrained flavin-based radical pairs2016

    • Author(s)
      Jonathan R. Woodward
    • Organizer
      The 55th Annual Meeting of the Society of Electron Spin Science and Technology (SEST)
    • Place of Presentation
      Media Center, Sugimoto Campus, Osaka City University, Osaka, Osaka, Japan
    • Year and Date
      2016-11-10
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Spatially resolved spectroscopy of flavin magnetosensitive photochemistry2016

    • Author(s)
      Lewis M. Antill
    • Organizer
      The 55th Annual Meeting of the Society of Electron Spin Science and Technology (SEST)
    • Place of Presentation
      Media Center, Sugimoto Campus, Osaka City University, Osaka, Osaka, Japan
    • Year and Date
      2016-11-10
    • Related Report
      2016 Annual Research Report
  • [Presentation] Microscopic studies of magnetosensitive photochemistry2016

    • Author(s)
      Lewis M. Antill
    • Organizer
      The Chemical Society of Japan : 32nd Symposium on Chemical Kinetics and Dynamics
    • Place of Presentation
      Omiya Sonic City, Omiya, Saitama, Japan
    • Year and Date
      2016-06-01
    • Related Report
      2016 Annual Research Report
  • [Presentation] Microscopic studies of magnetosensitive photochemistry2016

    • Author(s)
      Lewis M. Antill
    • Organizer
      The 2nd Kanto Area Spin Chemistry (KASC) Mini Symposium
    • Place of Presentation
      Omiya Sonic City, Omiya, Saitama, Japan
    • Related Report
      2016 Annual Research Report
    • Invited
  • [Presentation] A sub-micron step closer to spatially resolving the magnetosensitivity of photochemically induced electron transfer reaction of flavins2016

    • Author(s)
      Lewis M. Antill
    • Organizer
      東京大学生命科学シンポジウム
    • Place of Presentation
      Komaba I Campus, University of Tokyo, Meguro, Tokyo, Japan
    • Related Report
      2016 Annual Research Report
  • [Remarks] The Woodward Research Laboratory

    • URL

      http://opes.c.u-tokyo.ac.jp/spinchem/

    • Related Report
      2016 Annual Research Report
  • [Remarks] Research gate profile page

    • URL

      https://www.researchgate.net/profile/Jonathan_Woodward

    • Related Report
      2016 Annual Research Report

URL: 

Published: 2015-04-16   Modified: 2018-03-22  

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