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The methylene blue value is defined as the number of milliliter's standard methylene value solution decolorized 0.1 g of activated carbon (dry basis). [65] Methylene blue value reflects the amount of clay minerals in aggregate samples. [66]
Methylene blue restores the iron in hemoglobin to its normal oxygen-carrying state. [4] This is achieved by providing an artificial electron acceptor (such as methylene blue or flavin) for NADPH methemoglobin reductase (RBCs usually don't have one; the presence of methylene blue allows the enzyme to function at 5× normal levels). [21] The ...
The most common and successful treatment used to treat patients with high levels of methemoglobinemia is the antidote methylene blue. Methylene blue is already recognized as a product of the reversible reaction fueled by NAPHD methemoglobin reductase, catalyzed by leukcomethylene, to reduce methemoglobin to hemoglobin.
The structure of cytochrome b5 reductase, the enzyme that converts methemoglobin to hemoglobin. [1]Methemoglobin (British: methaemoglobin, shortened MetHb) (pronounced "met-hemoglobin") is a hemoglobin in the form of metalloprotein, in which the iron in the heme group is in the Fe 3+ state, not the Fe 2+ of normal hemoglobin.
The first-line treatment for severe methemoglobinemia is methylene blue, a medication that will reduce methemoglobin in the blood. This is possible because methylene blue oxidizes NADPH, which in turn can convert methemoglobin back to hemoglobin. [33]
The disorder can cause heart abnormalities and seizures if the amount of methemoglobin in the blood exceeds 20 percent, but at levels between 10 and 20 percent it can cause blue skin without other symptoms. Most of the Fugates lived long and healthy lives. The "bluest" of the blue Fugates, Luna Stacy, had 13 children and lived to age 84. [6]
In hemocytometry, Türk's solution (or Türk's fluid) is a hematological stain (either crystal violet or aqueous methylene blue) prepared in 99% acetic acid (glacial) [1] and distilled water. The solution destroys the red blood cells and platelets within a blood sample (acetic acid being the main lyzing agent ), and stains the nuclei of the ...
The methylene blue allows the methaemoglobin to be converted to haemoglobin. Supportive treatment is also usually provided, depending on the severity of the toxicity, that resulted in the anaemia. [11] Ascorbic acid is used to treat methemoglobinemia, a symptom of naphthalene poisoning and is used when methylene blue is not available, or in ...
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