380 Resultat för: "VARLP080520VARI00001"

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.

Supplier: SIGMA ALDRICH MICROSCOPY

Eosin Y, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Certified as a supravital stain for reticulocytes.

Supplier: SIGMA ALDRICH MICROSCOPY

Malakitgrönoxilat i vatten, crystalline för mikroskopi, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Fast blue BB salt för mikroskopi, för histologi, Sigma-Aldrich®

Supplier: VWR Chemicals

Eosin Y, Gurr™ för mikroskopisk färgning

Supplier: SIGMA ALDRICH MICROSCOPY

Mixture of crystal violet [C.I.No. 42555] and methyl violet [C.I.No. 42535]. Dye employed for preparing Gram stain.

Supplier: SIGMA ALDRICH MICROSCOPY

This is the pure, principal component of mixtures commonly referred to as Basic Fuchsin.

Supplier: SIGMA ALDRICH MICROSCOPY

Carmine is a red compound and is generally used with aluminum, iron and other metal salts to enhance its activity. During smear preparation, it is required for chromatin staining in fresh material. In presence of aluminum chloride, it is used for the staining of glycogen.

Supplier: SIGMA ALDRICH MICROSCOPY

Hematoxylin has been used for staining gastric cancer tissues, myocardial tissue, heart sections and ovarian nuclei.

Supplier: Merck

Color reagent blue (thiazine solution)

Supplier: SIGMA ALDRICH MICROSCOPY

Gram’s iodine solution is used as a mordant in the Gram staining process. It is added after the primary staining step with crystal violet; the resultant crystal violet - Iodine complex imparts purple color to the cells.

Supplier: SIGMA ALDRICH MICROSCOPY

Homovanillic acid has been used as a standard in HPLC analysis. Metabolite of dihydroxyphenylacetic acid (DOPAC) by catechol O-methyltransferase; reagent for the fluorimetric determination of glucose oxidase and other oxidative enzymes.

Supplier: Merck

Nuclear staining in connective tissue staining methods

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

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: Merck

Lugol’s solution stabilized with PVP is used in bacteriology, for example, for the staining of Gram bacteria

Supplier: SIGMA ALDRICH MICROSCOPY

Primuline, also known as direct yellow 59 or primuline yellow, is considered to be a more sensitive and non-destructive dye for lipids.

Supplier: SIGMA ALDRICH MICROSCOPY

Thymol is generally added in the Hematoxylin and Eosin staining solution to prevent mould growth. It is also suitable for use in antimicrobial screening by the disk diffusion method. It has been used as a test compound in antifungal assay to assess the susceptibility of various fungal isolates.

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

4-(2-Pyridylazo)resorcinol monosodium salt is a chromophoric indicator and chromogenic chelator employed for the spectrophotometric determination of several metal ions.

Supplier: SIGMA ALDRICH MICROSCOPY

N,N,N',N'-tetrametyl-p-fenylendiamindihydroklorid ≥95%, pulver, 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.

Supplier: Merck

Fixing solution (contains methanol)

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

Fluorescein diacetate (FDA) is a non-fluorescent molecule, which is hydrolysed to fluorescent fluorescein in live cells. Dead cells cannot accumulate or hydrolyse FDA. Fluorescein diacetate has been used for the differentiation of live cells from dead cells.

Supplier: SIGMA ALDRICH MICROSCOPY

4,4′-Methylenebis(N,N-dimethylaniline) is an intermediate in dye manufacture and works as a reagent for the determination of lead. It is suitable for the qualitative assay of cyanogens.

Supplier: SIGMA ALDRICH MICROSCOPY

Fuchsin, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Certified for Nissl staining of paraffin sections of spinal cord and brain and to stain cartilage and mast cell granules.

Supplier: SIGMA ALDRICH MICROSCOPY

Fuchsin, Sigma-Aldrich®