326 Results for: "VARLP080520VARI00001"

Supplier: SIGMA ALDRICH MICROSCOPY

A preweighed vial containing 50 mg o-Dianisidine. o-Dianisidine (3,3′-dimethoxybenzidine) is a peroxidase substrate suitable for use in ELISA procedures. This substrate produces a soluble end product that is yellow-orange in color and can be read spectrophotometrically at 405 nm. The reaction may be stopped with 5 M HCl.

Supplier: SIGMA ALDRICH MICROSCOPY

Eosin B, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

2′,7′-Dichlorofluorescein is an oxidation-sensitive fluorescent probe. 2′7′-dichlorofluorescein diacetate is oxidized to 2′7′-dichlorofluorescein in the presence of ROS (reactive oxygen species). 2′,7′-Dichlorofluorescein has been used as an oxidation-sensitive fluorescent probe to measure ROS (reactive oxygen species) formation in cells.

Supplier: SIGMA ALDRICH MICROSCOPY

Certified as a supravital stain for reticulocytes.

Supplier: SIGMA ALDRICH MICROSCOPY

Malachite green oxalate, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Mordant orange 1 is also known as Alizarin Yellow R, C.I. 14030. Mordant orange 1 is an azo dye. Azo dyes used as biological stains contain an azo group (−N=N−). It is used for colouring many different materials such as textile, leather, and plastics and for manufacturing paints and lacquers and for printings purposes as well.

Supplier: SIGMA ALDRICH MICROSCOPY

Carmine is a cochineal product usually furnished as an aluminum and calcium salt of carminic acid. Carminic acid is used for human-medical cell diagnosis and serves the purpose of the histological investigation of sample material of human origin. It is suitable for staining nuclei in histological sections. It is utilised in various staining methods including the procedure for detection of glycogen and mucous substances (Best′s carmine), for nuclear staining, or vital staining.

Supplier: SIGMA ALDRICH MICROSCOPY

Alizarin red S (sodium salt), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

It is used as diagnostic assay manufacturing, hematology, histology.

Supplier: SIGMA ALDRICH MICROSCOPY

4-Amino-1,1′-azobenzene-3,4′-disulfonic acid monosodium salt, also called as acid yellow 9, belongs to the class of azo dyes.

Supplier: SIGMA ALDRICH MICROSCOPY

Nuclear fast red dye has anthraquinonic nature and is used either alone or in combination with other dyes. It is mainly used for staining of nuclei.

Supplier: SIGMA ALDRICH MICROSCOPY

Azure B has been used in M′Fadyean stain to visualize Bacillus anthracis capsule. Azure B is a cationic dye. It is part of the Romanowsky stain, which is used for staining of blood films. It is also used for the localisation of nucleic acids and lignin.

Supplier: SIGMA ALDRICH MICROSCOPY

Aurintricarboxylic acid ammonium salt has been used as a nuclease inhibitor to study its effects on transfection.

Supplier: SIGMA ALDRICH MICROSCOPY

Eriochrome Black T, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Congo red, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Methyl red hydrochloride in ACS Reagent grade water, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Alcian Blue 8GX, also known as Ingrain Blue 1, is a basic copper phthalocyanine dye whose copper content imparts a blue color. It is tetravalent, cationic, and water-soluble in nature. It forms salt linkages with the acid groups of acid mucopolysaccharides.

Supplier: SIGMA ALDRICH MICROSCOPY

m-cresol purple sodium salt (MCP) is a colorimetric pH indicator dye. The dye is blue in anionic form and yellow in protonated form. It has been used to measure pH of seawater using a spectrophotometer.

Supplier: SIGMA ALDRICH MICROSCOPY

1,3-Dihydroxynaphthalene is a dye intermediate forming stable colors when applied with particular mordants and in mixtures with other oxidising dyes. This specific reagent is intended for the quantitative colorimetric determination of alduronic acids, such as glucuronic acid from urine. The mutagenicity of ozonation derivatives of 1,3-dihydroxynaphthalene against several Salmonella typhimurium strains has been studied.

Supplier: SIGMA ALDRICH MICROSCOPY

Neutral red (C.I. 50040) is a protonated diaminophenazine dye. It is aminodimethylaminomethylphenazinehydrochloride, C15H17N4Cl.

Supplier: SIGMA ALDRICH MICROSCOPY

4-(4-Nitrophenylazo) resorcinol, also known as azo violet or magneson I, is a red colored powder. It functions as a spot test reagent and forms blue lake on reaction with Mg(OH)₂ in alkaline solution. It is mainly used for determining the presence of magnesium in the solution. 4-(4-Nitrophenylazo)resorcinol is a pH indicator.

Supplier: SIGMA ALDRICH MICROSCOPY

Arsenazo III has been used as a color forming reagent to determine uranium concentration.

Supplier: SIGMA ALDRICH MICROSCOPY

Brilliant cresyl blue ALD has been used for the staining of reticulocytes.

Supplier: SIGMA ALDRICH MICROSCOPY

Nitro Blue Tetrazolium is a tetrazole compound with two tetrazole rings.

Supplier: SIGMA ALDRICH MICROSCOPY

Brilliant Green is a dye and an antiseptic agent.

Supplier: SIGMA ALDRICH MICROSCOPY

Sodium 3,5-dichloro-2-hydroxybenzenesulfonate is used in conjunction with 4-aminoantipyrine (4-AAP) and hydrogen peroxide (H2O2) for chromogenic quantitation of uric acid in serum and urine samples.

Supplier: SIGMA ALDRICH MICROSCOPY

Eosin B 1 g/l in aqueous solution, Sigma-Aldrich®

Supplier: VWR Chemicals

Eosin Y (yellowish), Gurr™ for microscopical staining

Supplier: SIGMA ALDRICH MICROSCOPY

Eosin B for microscopy, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Methyl orange (C.I. 13025) is the sodium salt of p-dimethylaminoazobenzenesulfonic acid. It is an orange-colored synthetic dye, which changes color depending on the pH of the solution. It develops a red color in acidic solution and yellow color in basic solution.