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SIGMA-ALDRICH MICROSCOPY


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Fournisseur:  SIGMA-ALDRICH MICROSCOPY
Description:   Brilliant Blue R (C.l. 42660) is a triaminotriarylmethane dye with two amino groups being benzylated and one phenylated. It is also known as brilliant indocyanine 6B and coomassie blue R250. Brilliant Blue R has been widely used for protein band detection after SDS-PAGE (sodium dodecyl sulfate-polyacrylamide gel electrophoresis).
Fournisseur:  SIGMA-ALDRICH MICROSCOPY
Description:   Trypan Blue (C.l. 23850) is a large, tetrasulfonated anionic, hydrophilic dye. It is also known as diamine blue 3B. Trypan blue has been used as a dye in trypan blue exclusion assay/cell viability assay to detect dead cells.
Fournisseur:  SIGMA-ALDRICH MICROSCOPY
Description:   Naphthol AS phosphate disodium salt is intended for use as a substrate for the histochemical demonstration of acid and alkaline phosphatase activities.
Numéro de catalogue: (60730-10G)

Fournisseur:  SIGMA-ALDRICH MICROSCOPY
Description:   Khellin, for microscopy (4,9-Dimethoxy-7-methyl-5H-furo[3,2-g][1]benzopyran-5-one)
UOM:  1 * 10 g
Numéro de catalogue: (O8639-4X500ML)

Fournisseur:  SIGMA-ALDRICH MICROSCOPY
Description:   For use with Osteo-bed bone embedding kit. Solvent for removal of plastic from sections prior to rehydration and staining. Most histochemical and immunohistochemistry staining protocols require the removal of methyl methacrylate (MMA) and rehydration of mounted sections for improved stain penetration and greater contrast.
UOM:  1 * 2.000 mL
Numéro de catalogue: (C0537-50MG)

Fournisseur:  SIGMA-ALDRICH MICROSCOPY
Description:   5-Carboxyfluorescein has been used as an internal marker in capillary isotachophoresis to quantify the charge-based low density lipoprotein subfractions.
UOM:  1 * 50 mg

Fournisseur:  SIGMA-ALDRICH MICROSCOPY
Description:   1,4-Dimethylpyridinium p-toluenesulfonate,98%
UOM:  1 * 10 g
Fournisseur:  SIGMA-ALDRICH MICROSCOPY
Description:   Baume du Canada, Sigma-Aldrich®
Fournisseur:  SIGMA-ALDRICH MICROSCOPY
Description:   ANSA (8-Anilino-1-naphthalenesulfonic acid) is a hydrophobic polarity sensitive fluorescent dye useful as a site probe to detect conformational changes in cell and micelle membranes and molecules such as proteins. ANSA is also used as a fluorescent probe for the estimation of the critical micelle concentration (CMC) of surfactants.

Fournisseur:  SIGMA-ALDRICH MICROSCOPY
Description:   Ehrlich’s reagent III, Loeffler’s Methylene Blue. Methylene Blue was earlier recognized as a good nuclear stain, the staining solutions are always either aged or alkalized, if not both. More importantly it is an excellent stain for ribonucleic acid, which is the important stainable constituent of bacterial bodies, of lymphocyte and hemoportoal cytoplasm, and of nerve cell tigroid granules. It can also be employed in capsule stain. The capsule stain begins as a negative stain leaving the organisms colorless. The capsule are clearly seen as halo surrounding the bacterial cell. Another staining procedure is performed with nigrosin (Cat. No. 43925).
UOM:  1 * 100 mL

Fournisseur:  SIGMA-ALDRICH MICROSCOPY
Description:   1-Heptyl-4-(4-pyridyl)pyridinium bromide,95%
UOM:  1 * 5 g
Fournisseur:  SIGMA-ALDRICH MICROSCOPY
Description:   Rhodamine 110 chloride (R110) is a laser grade dye. It has been used for the synthesis of the rhodamine 110 octadecyl ester (R110C18).
Fournisseur:  SIGMA-ALDRICH MICROSCOPY
Description:   3-(2-Pyridyl)-5,6-di(2-furyl)-1,2,4-triazine-5′,5′′-disulfonic acid disodium salt, also known as Ferene, is commonly used to measure the concentration of iron ions in aqueous solutions. The reagent is sensitive to ferrous iron ions (Fe2+) and forms a purple-colored complex with these ions in the presence of a reducing agent. The intensity of the purple color formed is proportional to the concentration of iron ions present in a solution and is quantified spectrophotometrically.
Fournisseur:  SIGMA-ALDRICH MICROSCOPY
Description:   Giemsa stain is a versatile differential stain that is widely used in hematology for blood and bone marrow specimens, clinical cytology specimens, bacteriology, histological biopsies, and tumor samples. Giemsa's staining solution is composed of methylene blue, azure, and eosin. It is a major histological stain due to its unique staining of chromatin, nuclear membranes, and cytoplasmic elements. The stain is frequently used in combination with other dye solutions: May-Grünwald’s solution for Pappenheim (MGG) and Wright-Giemsa.
Numéro de catalogue: (3873-10ML)

Fournisseur:  SIGMA-ALDRICH MICROSCOPY
Description:   For use in the Acid Phosphatase (Leukocyte) Kit No. 387A
UOM:  1 * 10 mL
Numéro de catalogue: (3863-50ML)

Fournisseur:  SIGMA-ALDRICH MICROSCOPY
Description:   Intended for use in the Leukocyte Acid Phosphatase procedure, procedure No. 386 or 387
UOM:  1 * 50 mL
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