methylene blue


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

methylene blue

 [meth´ĭ-lēn]
a synthetic organic compound, in dark green crystals or lustrous crystalline powder, used in treatment of methemoglobinemia, as a stain in pathology and bacteriology, and as a diagnostic aid in the detection of the premature rupture of fetal membranes.

meth·y·lene blue

(meth'ĭ-lēn blū), [C.I. 52015]
A basic dye easily oxidized to azure with dye mixtures; used in histology and microbiology to stain intestinal protozoa in wet mount preparations, to track RNA and RNase in electrophoresis, and as an antidote for methemoglobinemia; its redox indicator properties are useful in milk bacteriology.

methylene blue

n.
A heterocyclic aromatic compound, C16H18N3SCl·3H2O, consisting of dark green crystals that form a deep blue solution when dissolved in water. It is used as an antidote for cyanide poisoning, an analytical indicator, and a bacteriological stain.

methylene blue

[meth′əlēn]
a bluish-green crystalline substance used as a histological stain and a laboratory indicator. It is also used in the treatment of cyanide poisoning and methemoglobinemia.

methylene blue

Alternative oncology
A synthetic bacteriostatic dye that inhibits the growth of several experimental cell lines, which has been proposed as a therapy for certain cancers; used in combination with phototherapy, it may be useful for superficial bladder cancer.

meth·y·lene blue

(meth'i-lēn blū)
A basic dye easily oxidized to azure, with dye mixtures; used in histology and microbiology, to stain intestinal protozoa in wet-mount preparations, to track RNA and RNase in electrophoresis, and as an antidote for methemoglobinemia; its redox indicator properties are useful in milk bacteriology.

methylene blue

A solution of methylthioninium chloride that has been used to treat METHAEMOGLOBINAEMIA. It is also used as a bacterial stain and sometimes in surgery to demonstrate fistulas. The drug is on the WHO official list.

Methylene blue

A dye that is used to stain the blood cells for the reticulocyte count.
Mentioned in: Reticulocyte Count

meth·y·lene blue

(meth'i-lēn blū)
A basic dye easily oxidized to azure, with dye mixtures; used in histology and microbiology.

methylene blue

(meth´əlēn´),
n a bluish-green crystalline substance used as a histologic stain and as a laboratory indicator. It is also used in the treatment of cyanide poisoning and methemoglobinemia.

methylene blue

a synthetic organic compound, in dark green crystals or lustrous crystalline powder, used in treatment of methemoglobinemia, as an antidote in cyanide poisoning, as a stain in pathology and bacteriology, and as an antiseptic.

methylene blue dye binding test
new methylene blue stain
see new methylene blue stain.
References in periodicals archive ?
The first dose of 100 mg methylene blue was given intravenously over 5 minutes.
Figure 2 indicates the changes in the solution concentration of methylene blue with irradiating duration of UV light for the various durations of a TEOT hydrolysis.
Sulfhemoglobin cannot be reduced by methylene blue and lasts the lifetime of the red blood cell.
8 mL of 10 g/L methylene blue was injected for the methylene blue group and 1 mL of nano-carbon suspension was injected for the nano-carbon group using a 1 mL syringe.
MB MMX, developed by Cosmo Pharmaceuticals and based on its proprietary MMX delivery technology, is a novel application of methylene blue dye.
Associate professor at Maryland, Kan Cao said: "Our work suggests methylene blue could be a powerful antioxidant for use in skin care products.
Between October 2014 and June 2016, 68 patients underwent SLN biopsy with methylene blue dye as a part of study along with MRM.
Oxyrase Bioassay: Methylene blue based assay was performed for screening of active oxyrase presence in sterile bacterial membrane fragments as qualitative method.
AC3 was further undergo adsorption analysis using two adsorbates methylene blue and PCP.
The experimental data indicate that spent coffee grains are suitable to treat methylene blue dye as adsorbents.
ACF are invisible during routine colonoscopy yet are well identifiable in chromoendoscopy using methylene blue or indigo carmine.