toluidine blue


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Related to toluidine blue: methylene blue, toluidine blue dye
A toxic metachromatic thiazine dye used to stain ‘thick’ sections for electron microscopy, which may cause haematuria due to haemorrhagic cystitis and methaemoglobulinuria. Toluidine blue should be avoided by patients with glucose-6-phosphate deficiency, given their risk of haemolytic anaemia

toluidine blue

an antiheparin compound, used also as a biological stain. Called also tolonium chloride.

toluidine blue test
a screening test for mucopolysaccharidosis, e.g. Hurler's syndrome; filter paper impregnated with toluidine blue turns blue when moistened with urine containing excessive amounts of chondroitin sulfuric acid.
References in periodicals archive ?
Toluidine blue is used with high sensitivity in the localization of malignant transformation and determination of the best place is for obtaining biopsy.
2002), histology with H&E and toluidine blue staining indicated that TCDD was associated with an early onset of epidermal hyperplasia beginning at E15 (Figure 2A,B).
The Toluidine blue staining showed that method 1 almost completely stripped the tissue of proteoglycans, but methods 2 and 3 only partially removed the proteoglycans from the tissue (Fig.
After the toluidine blue dye by the Unna technique the total number of the must cells did not change in the mice with the chronic prostatitis.
The torus stains purple with toluidine blue 0, but careful observation shows a blue-green spot in its center (Figure 15).
The thick sections were stained with Toluidine blue and observed using a light microscope.
The two most useful stains can be purchased ready-to-use from Carolina Biological: toluidine blue O (available as a 1% aqueous solution) and Lugol's solution ([I.
Special stains have included the toluidine blue, (10,22) Papanicolaou, (23) Diff-Quik, (24) and Giemsa (25) stains, all of which attempted to improve the nuclear morphology.
Analysis of oral lesion biopsies identified and evaluated by visual examination, chemiluminescence and toluidine blue.
Toluidine blue (TB) is a basic dye that helps in identification of myeloid blasts showing differentiation towards basophils, which may be seen in acute basophilic leukemia, basophilic blast crisis of chronic myeloid leukemia (CML) and AML with basophilia.
The semithin plastic sections (1 im) of gBMSC-seeded silk fiber were cut using an ultramicrotome with glass knives, stained with 1% Toluidine Blue, viewed under the light microscope (Nikon) and photographed.