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. 1989 Jan 2;242(2):215-7.
doi: 10.1016/0014-5793(89)80472-7.

87Rb NMR studies of the perfused rat heart

J L Allis  1 , C D Snaith, A M Seymour, G K Radda
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Free article

87Rb NMR studies of the perfused rat heart

J L Allis et al. FEBS Lett. .
Free article

Abstract

We have studied 87Rb+ fluxes in the perfused rat heart using nuclear magnetic resonance spectroscopy (NMR). A simple model for the interpretation of the data is presented. A comparison of radioactively measured K+ fluxes and the K+ fluxes deduced from the 87Rb+ measurements shows them to be very similar. This method provides a means of noninvasively measuring uni-directional K+ fluxes in the heart.

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