Varner J. Johns scite author profile

A detailed procedure for the quantitative determination of metanephrine and normetanephrine is given. Epinephrine and norepinephrine are eliminated by selective adsorption on an alumina column. Metanephrine and normetanephrine are isolated with a cation-exchange resin. Fluorescence is developed by a two-step ferricyanide oxidation at two different pH values followed by tautomerization. The concentrations of both metanephrine and normetanephrine are quantitated by differential fluorometry.

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Nontraumatic hemopericardium

Barbour

Hirst

Johns

1961

The American Journal of Cardiology

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Varner J. Johns

Hyporeninemic hypertension

Pheochromocytoma

Fluorometric Determination of Urinary Metanephrine and Normetanephrine

Nontraumatic hemopericardium

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