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Exp Physiol. 1990 Nov;75(6):763-9.

The intracellular concentration of free magnesium in extensor digitorum longus muscles of the rat.

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1
Department of Physiology, Royal College of Surgeons, Dublin, Republic of Ireland.

Abstract

Magnesium-sensitive microelectrodes were used to measure the intracellular concentration of free Mg2+, [Mg2+]f, in rat extensor digitorum longus muscles in vitro at 30 degrees C. The intracellular activities of Na+ and K+ were also determined so that allowance could be made for the interference from these ions with the Mg2+ electrode response. The mean value for [Mg2+]f based on twenty-six measurements in twelve muscles was 0.47 mM.

PMID:
2271155
[Indexed for MEDLINE]
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