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. 1965 Feb 12;147(3659):738-9.
doi: 10.1126/science.147.3659.738.

NUCLEAR MAGNETIC RESONANCE STUDIES OF LIVING MUSCLE

C B BRATTON, A L HOPKINS, J W WEINBERG

NUCLEAR MAGNETIC RESONANCE STUDIES OF LIVING MUSCLE

C B BRATTON et al. Science. .

Abstract

Measurements of nuclear magnetic relaxation times for protons of water in living skeletal frog muscle show the transverse relaxation time, T(2), increases when a muscle contracts isometrically. This result and other experimental data suggest that a fraction of the intracellular water molecules have restricted rotational freedom and that this fraction decreases when contraction occurs.

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