Electron Spin Resonance Signals in Injured Nerve

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Science  15 Aug 1969:
Vol. 165, Issue 3894, pp. 703-704
DOI: 10.1126/science.165.3894.703


Under certain conditions nerves (such as the frog sciatic) exhibit electron spin resonance signals with several unusual properties: (i) variable g value and linewidth, (ii) anisotropic g tensor, and (iii) g value dependence on temperature. Such a signal must be due to a small ferromagnetic crystal formed when the nerve is subjected to pressure, such as that due to mechanical injury.

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