hematin

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Related to ferriheme: ferumoxytol

hematin

 [he´mah-tin]
1. the hydroxide of heme; it stimulates the synthesis of globin, inhibits the synthesis of porphyrin, and is a component of cytochromes and peroxidases; it is also used as a reagent.
2. hemin (def. 1).

he·ma·tin

(hē'mă-tin, hem'ă-),
Heme in which the iron is Fe(III); the prosthetic group of methemoglobin.

hematin

/he·ma·tin/ (he´mah-tin)
1. the hydroxide of heme; it stimulates the synthesis of globin, inhibits the synthesis of porphyrin, and is a component of cytochromes and peroxidases; it is also used as a reagent.
2. hemin (1).

hematin

(hē′mə-tĭn)
n.
A blue to blackish-brown compound, C34H32N4O4·FeOH, formed in the decomposition of hemoglobin.

he·ma·tin

(hē'mă-tin)
Heme in which the iron is Fe(III) (Fe3+); the prosthetic group of methemoglobin.
Synonym(s): ferriheme, hematosin, oxyheme, oxyhemochromogen, haematin.

Hematin

A drug administered intravenously to halt an acute porphyria attack. It causes heme biosynthesis to decrease, preventing the further accumulation of heme precursors.
Mentioned in: Porphyrias

hematin

a compound formed by the oxidation of heme from the ferrous Fe(II) to the ferric Fe(III) state; it does not combine with oxygen.

hematin methods
basic method of estimating hemoglobin content of blood by converting it to acid hematin and doing a colorimetric estimation. See also hemoglobinometer.