methemoglobin


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Related to methemoglobin: methemoglobin test, Methemoglobin reductase

methemoglobin

[met‚hē·mə′glō·bən]
(biochemistry)
References in periodicals archive ?
2013), the amount of nitrate ingested and methemoglobin formed influences the period of time between disease progression and death.
3+] of methemoglobin is the main source of superoxide anion in erythrocytes.
4% of the blood samples were found to contain methemoglobin while in the control group it was not detected.
Symptoms are typically noticed at methemoglobin concentrations of greater than 15%.
When methemoglobin level is above 10%, cyanosis appears primarily.
When the pulmonary capillaries are adequately oxygenated the NO combines with saturated hemoglobin to form methemoglobin and nitrite and these are the predominant byproducts that enter the systemic circulation.
I would like to add to this well written article that we have also reported acquired methemoglobinemia cases with administration of cytanest in puerperal women with G6PD deficiency and infants in whom erythrocyte cytochrome 65 reductase was assoyed (1-4), which is the main enzyme for methemoglobin reductase in erythrocytes as mentioned by the authors.
An azide methemoglobin method for hemoglobin determination in blood.
This process removes electrons from the ferrous iron in the normally functioning hemoglobin and creates a ferric iron methemoglobin state, which does not readily bind with oxygen, causing a biochemical anemia (Gatseva et al.
More recently, Mohorovic (2003) found similar methemoglobin results in a polluted area of Croatia.