Results 11 to 20 of about 18,337 (208)
Nitrates in drinking water and methemoglobin levels in pregnancy: a longitudinal study [PDF]
Background Private water systems are more likely to have nitrate levels above the maximum contaminant level (MCL). Pregnant women are considered vulnerable to the effects of exposure to high levels of nitrates in drinking water due to their altered ...
Luke Barbara +5 more
doaj +11 more sources
Interactions of Solvent with the Heme Region of Methemoglobin and Fluoro-Methemoglobin [PDF]
It is now more than 20 years since Davidson and collaborators (1957, Biochim. Biophys, Acta. 26:370-373; J. Mol. Biol. 1:190-191) applied the theoretical ideas of Bloembergen et al. (1948. Phys. Rev. 73:679-712) on outer sphere magnetic relaxation of solvent protons to studies of solutions of methemoglobin. From then on, there has been debate regarding
Koenig, S.H. +2 more
openaire +3 more sources
Primaquine-derived 5,6-orthoquinone concentrations in urine associated with CYP2D6 genotype-predicted phenotype and blood methemoglobin levels [PDF]
Cytochrome P450 isotype 2D6 (CYP2D6) enzyme metabolizes the 8-aminoquinoline primaquine into its active form, 5-hydroxyprimaquine. Highly polymorphic CYP2D6 produces different enzyme activity levels among individuals.
Mario Vernandes +9 more
doaj +2 more sources
Background: Decreased systemic oxygen delivery derived from gas exchange abnormalities in severe hemolysis complicates patients requiring mechanical circulatory support devices.
Ingrid L. Rodgers, APRN, CRNA +3 more
doaj +2 more sources
Methemoglobin formation by paraquat. [PDF]
Paraquat is a broad spectrum herbicide known to be highly lethal to man and animals. Its toxicity is characterized by acute lung injury. Paraquat produces such toxic effects through the generation of the superoxide anion according to one proposed ...
Watanabe, Shinsaku, Ogata, Masana
core +1 more source
Methemoglobin Reduction in the Presence of Various Concentrations of Oxyhemoglobin [PDF]
Methemoglobin reduction in human red blood cell is governed by many factors, one of which is the concentration of oxyhemoglobin. Experiments were conducted to determine the inhibition of methemoglobin reduction by oxyhemoglobin under concentrations ...
Mansouri, Ali
core +3 more sources
SYNTHESIS, CHARECTERIZATION AND ANTIOXIDANT ACTIVITY OF BIS [4-(4'-HYDROXY-3'-METHOXY BENZYLIDENE AMINO PHENYL)] TELLURIDE [PDF]
Bis[4-(4'-hydroxy-3'-methoxy benzylidene amino phenyl)] telluride (R2Te) was prepared from the reaction of two moles of 4-(4'-hydroxy-5'-methoxybenzylidene amino phenyl) mercuric chloride and one mole of TeBr 4 in dry dioxane to give
Hiathem J. Kadhum +2 more
doaj +1 more source
Blue cures blue but be cautious
Methemoglobinemia is a disorder characterized by the presence of >1% methemoglobin (metHb) in the blood. Spontaneous formation of methemoglobin is normally counteracted by protective enzyme systems, for example, nicotinamide adenine dinucleotide ...
Pranav Sikka +4 more
doaj +1 more source
Reference values for methemoglobin concentrations in children
OBJECTIVE: The aim of this work was to establish reference values for methemoglobin levels in 6 to 10-year-old children. METHODS: Methemoglobin concentrations were studied in clinically healthy children.
Kely Francini Rechetzki +3 more
doaj +1 more source
Congenital methemoglobinemia. Report of a case
Methemoglobinemia is a condition in which there are high blood levels of methemoglobin. It may be congenital or acquired. The congenital form (which is rare) is the result of a defect in the methemoglobin reductase enzyme, dependent of the nicotinamide ...
Zárate Aspiros Romeo +2 more
doaj +1 more source

