378 Results for: "VARLP080520VARI00001"
Pyronin B ≥30% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Pyronin B is a chromogenic reagent, and is optimal for myeloperoxidase staining, which is useful in cytomorphological diagnosis and also in leukaemia categorisation.
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Solvent blue 35, violet crystalline powder, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Synonyms: Solvent blue 35
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Murexide, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Murexide is the ammonium salt of purpuric acid that appears as a slightly reddish-purple powder and is soluble in water. It is mainly used as an indicator for complexometric titrations to measure water hardness and as a colorant/pigment in the dye industry.
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Sudan orange G 85% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Sudan orange G belongs to the group of azo dyes, which are synthetic organic colorants. Members of azo dyes contain chromophoric azo groups (-N-N-).
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4-(Dimethylamino)cinnamaldehyde chromogenic reagent for indoles and flavanols, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Reagent for assay of indole product of apotryptophanase and tryptophanase. DMAC produces colored adducts with flavanols for subsequent HPLC. It has been used in a chromogenic method for quantifying proanthocyandines in cranberry powder.
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1-(4-Nitrophenylazo)-2-naphthol, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Para red is a biological stain. It is used as a fat soluble chemical dye and food additive. It is a banned colorant and a number of analytical techniques have been developed to detect it in food. Para Red may be used to make standards for analysis.
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Erythrosin B disodium salt, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Erythrosin B disodium salt, Sigma-Aldrich®
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1,4,5,8-Tetraamino-9,10-anthraquinone 30% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Disperse blue 1 is a grey to black powder. Disperse dyes are known to be insoluble in water and are applied to the substrate as suspensions or dispersions by dissolving in hydrophobic regions of the polymers making up the fiber.
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Hydrochloric acid in ethanol for microscopy, Sigma-Aldrich®
Supplier: Merck
Hydrochloric acid in ethanol is used for the microscopical investigation of mycobacteria in sample material of human origin. It can be applied as decolorizing solution, as e.g. in the Tb-color staining set.
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Erythrosin B disodium salt, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Erythrosin B disodium salt, Sigma-Aldrich®
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Alcian blue 8GX for microscopy, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Alcian Blue 8GX is used as a heteroglycan stain for neutral, sulfated and phosphated mucopolysaccharides and glycosaminoglycans in tissues such as cartilage and extracellular matrices.
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Acridine 97%, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Acridine is a small cationic and planar dye that mainly binds to RNA and DNA. These dyes are strongly fluorescent. It resembles the structure of xanthene except that the heteroatom is nitrogen, not oxygen. Acridine is suitable for nucleic acid staining, particularly for cell cycle determination. Acridines are used as fluorescent materials for visualisation of biomolecules, and in laser technologies.
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BCECF AM ester 1 mg/mL in DMSO fluorescent pH indicator, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
An intracellular fluorescent pH indicator.
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Metanil yellow 70% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Metanil yellow has been used for staining of leukocyte granules. It is also used as a counterstain in microscopic sections.
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Rosolic acid (Aurin) 84% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
p-Rosolic acid (C.I. 43800) is an acid-baseindicator from the triphenylmethane group. It is also known as aurin and 4-[Bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadienone.
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O-Dianisidine dihydrochloride ≥95%, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
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.
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Alizarine 97% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Alizarin has been used as a biological stain to dye cotton fabrics and is used as standard in UV-visible spectrophotometer.
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Proflavine hydrochloride (3,6-diaminoacridine hydrochloride) 95% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
3, 6-Diaminoacridine hydrochloride has been used for studying cation transfer at the liquid–liquid interface. An intercalating dye.
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Nuclear Fast Red, Gurr™ for microscopical staining
Supplier: VWR Chemicals
Nuclear Fast Red, Gurr™ for microscopical staining
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Bismarck brown Y, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Bismarck brown Y, Sigma-Aldrich®
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Papanicolaou's solution 3c Polychromatic solution EA 65 used in nuclear staining, for cytology, Sigma-Aldrich®
Supplier: Merck
Cytoplasm staining esp. for non-gynecological specimen, color effect light red
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1,4-Bis(methylamino)-9,10-anthraquinone 97% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
1,4-Bis(methylamino)-9,10-anthraquinone 97% (dye content), Sigma-Aldrich®
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Alginic acid (from Macrocystis pyrifera (kelp)), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Alginic acid is a high molecular weight linear polymer isolated from seaweed. It is a linear β-1→4-linked polymer of n-mannuronic and L-guluronic acid. It is an acid polysaccharide present in the extracellular matrix of brown algae.
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Purpurin(1,2,4-trihydroxy-9,10-anthraquinone) 90% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Purpurin (1, 2, 4-trihydroxyanthraquinone) is the key pigment present in the roots of Indian madder (Rubia cordifolia). This pigment produces colors, with distinctive heat and light resistant properties.
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2,3-Diaminonaphthalene ≥95% (by HPLC), powder, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
2,3-Diaminonaphthalene is also known as 2,3-Naphthalenediamine or DAN. It is one of the isomers of naphthalene bearing two amino groups, which are also called naphthalenediamines. They are usually prepared by reducing the nitronaphthalene derivative and aminating the subsequent hydroxynaphthalene derivative.
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Victoria pure blue bo 90% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Victoria blue dyes are triaminodiphenylnaphthylmethanes, with lipophilic cations and large conjugated systems.
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Methyl violet 2B for microscopy, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Methyl violet for microscopy (Bact., Bot., Hist.), indicator (pH 0.1 - 2.0), mixture of polymethylated pararosaniline hydrochlorides.
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Haematoxylin, Supelco®
Supplier: SIGMA ALDRICH MICROSCOPY
Hematoxylin has been used for staining gastric cancer tissues, myocardial tissue, heart sections and ovarian nuclei.
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Sudan II 90% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Sudan II has been used to determine its presence in commercial spices such as hot chilli food samples (LC–ESI–MS/MS).
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Quinaldine red 95% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Quinaldine red has been used as a fluorescent probe for α1-acid glycoprotein (AAG). It is also used a diagnostic assay manufacturing, hematology, histology.