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Updated: Apr 19, 2026

Use of Electron Paramagnetic Resonance in Biological Samples at Ambient Temperature and 77 K
Published on: January 11, 2019
EPR and electrochemical quantification of oxygen using newly synthesized para-silylated triarylmethyl radicals
A Boutier-Pischon1, F Auger, J-M Noël
1LCBPT, UMR 8601 CNRS-Paris Descartes University , Sorbonne Paris Cité, Paris , France.
Abstract:
Novel silylated triarylmethyl (TAM) radicals based on TAM core CT-03 and their electron paramagnetic resonance (EPR) spectra are evaluated as a function of oxygen concentration. Combination of peak-to-peak linewidth of the EPR signal and electrochemical determination allows designing a method for oxygen quantification in phosphate buffer, dimethylsulfoxide, and dichloromethane, which can be extended to other solvents.
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