| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Outline of Final Research Achievements |
We have developed the technology needed to shorten spectral acquisition with a digital electron paramagnetic resonance (EPR) spectrometer for biological applications. Based on the results of electromagnetic simulation, a compact arrayed magnet without a yoke structure for EPR was fabricated. Low inductance gradient coils and sweep coil suitable for high speed control of the magnetic field have been successfully attached to the EPR magnet. We have also developed an automatic amplitude / phase control feedback system that enables high-speed magnetic field scanning, and succeeded in acquiring the EPR spectrum by magnetic field scanning at approximately 10kHz to 60kHz. As a result, it has become possible to acquire 3D spatial imaging of free radical molecules with 181 projections in about 4 seconds.
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