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Updated: Feb 12, 2026

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Detection of Nitric Oxide and Superoxide Radical Anion by Electron Paramagnetic Resonance Spectroscopy from Cells using Spin Traps
Published on: August 18, 2012
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Note: Force- and torque-detection of high frequency electron spin resonance using a membrane-type surface-stress
Hideyuki Takahashi1, Kento Ishimura2, Tsubasa Okamoto2
1Organization for Advanced and Integrated Research, Kobe University, 1-1, Rokkodai, Nada, Kobe 657-8501, Japan.
The Review of Scientific Instruments
|April 2, 2018
Summary
We present a new method for force- and torque-detected electron spin resonance (FDESR/TDESR) using a membrane-type surface-stress sensor, offering a practical and versatile approach for spectroscopy applications.
Area of Science:
- Spectroscopy
- Materials Science
- Physics
Background:
- Electron spin resonance (ESR) is a powerful technique for studying materials with unpaired electrons.
- Traditional ESR methods can be limited in their ability to probe mechanical properties.
- Force- and torque-detected ESR (FDESR/TDESR) offers a pathway to couple mechanical forces with spin properties.
Purpose of the Study:
- To develop a practical and commercially viable method for FDESR/TDESR.
- To adapt existing sensor technology for spectroscopic applications.
- To explore the advantages of a new sensor platform for FDESR/TDESR.
Main Methods:
- Utilized a commercially available membrane-type surface-stress (MSS) sensor for FDESR/TDESR.
- Integrated piezoresistive paths within the MSS sensor to detect membrane deformation.
- Operated the FDESR/TDESR technique in the millimeter wave frequency region.
Main Results:
- Successfully developed a practical method for FDESR/TDESR.
- Demonstrated the utility of MSS sensors in this spectroscopic context.
- Identified advantages of MSS sensors over microcantilevers, including mechanical strength and ease of use.
Conclusions:
- MSS sensors provide a practical and versatile platform for FDESR/TDESR spectroscopy.
- The developed method is suitable for applications requiring robust and user-friendly FDESR/TDESR.
- This advancement broadens the accessibility and applicability of FDESR/TDESR techniques.
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