Outhred R K, George E P
Biophys J. 1973 Feb;13(2):97-103. doi: 10.1016/S0006-3495(73)85972-7.
THE NUCLEAR MAGNETIC REASONANCE (NMR) RELAXATION TIMES OF PROTONS IN TOAD MUSCLE WATER HAVE BEEN MEASURED AT THREE FREQUENCIES: 2.3, 8.9, and 30 MHz. The results are analyzed in terms of a distribution of correlation times, and it is found that only a few percent of the observed protons have mobilities more than two orders of magnitude smaller than normal. Sodium and chloride ion chemical potentials in some hydrated materials with similar proton NMR characteristics to toad muscle have been found to be heightened, but not sufficiently to account for the distribution of sodium ions in muscle.
已在2.3、8.9和30兆赫三个频率下测量了蟾蜍肌肉水中质子的核磁共振（NMR）弛豫时间。根据相关时间分布对结果进行了分析，发现只有百分之几的观测质子迁移率比正常情况小两个数量级以上。已发现一些具有与蟾蜍肌肉相似质子NMR特征的水合材料中的钠离子和氯离子化学势有所升高，但不足以解释肌肉中钠离子的分布情况。
