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Electron Spin Resonance Signals of Tetrazolium Compounds

Abstract

TETRAZOLIUM compounds have been of interest for a number of years both from a purely chemical and from a biological point of view. The stereochemistry1 and chemical properties of tetrazolium and tetrazolium-like compounds have been the subject of many papers2. These compounds have found widespread applications in the staining of vital tissues2, kinetic studies of enzymatic reactions, radiation detection systems3, and as radiation protective compounds4. Thus, it was felt that attention might be called to the following observations on the electron spin resonance (ESR) spectra obtained from commercially available tetrazolium compounds and laboratory synthesized compounds.

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LOFBERG, R. Electron Spin Resonance Signals of Tetrazolium Compounds. Nature 206, 503–504 (1965). https://doi.org/10.1038/206503a0

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