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1057 Ergebnisse für "SIGMA ALDRICH MICROSCOPY"

1057 Ergebnisse für: "SIGMA ALDRICH MICROSCOPY"

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Magnesium-8-anilinonaphthalin-1-sulfonat Hydrat ≥95% (durch Perchlorsäure-Titration) für Fluoreszenz, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

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.

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Ethyl-3,5-dimethyl-1H-pyrrol-2-carboxylat ≥98%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Ethyl 3,5-dimethyl-2-pyrrolecarboxylate,98%

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Natriumnitrit-Lösung, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

For use in the Naphthol AS-D Chloroacetate Esterase and Naphthyl Acetate Esterase Procedures, Kits 91C and 91A.

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Biebrich scarlet : acid fuchsin-Lösung, Sigma-Aldrich®

Biebrich scarlet : acid fuchsin-Lösung, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Kit component in the Masson Trichrome procedure, catalog number HT15

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Methylenblau-Lösung für die Mikrobiologie, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

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).

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Ferene disodium salt, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

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.

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4-(2-Pyridylazo)resorcin 96%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

4-(2-Pyridylazo)resorcinol (PAR) is a monosodium salt(1), dibasic acid that forms the protonated complexes with most metal ions.

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Cäsiumchlorid ≥98% Grade II, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

It is used for the preparation of electrically conducting glasses. Used to make solutions for the separation of RNA from DNA by density gradient centrifugation.

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Toluidinblau, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Toluidine blue (C.l. 52040) is a diaminothiazine dye. It is also known as TBO, tolonium chloride, and toluidine blue O.

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Rhodamine 110 ≥75% (Farbstoffgehalt), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Rhodamine 110 chloride (R110) is a laser grade dye. It has been used for the synthesis of the rhodamine 110 octadecyl ester (R110C18).

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3,3'-Diaminobenzidin Tetrahydrochlorid Hydrat, ISOPAC®, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

3,3′-Diaminobenzidine tetrahydrochloride hydrate has been used in immunohistological staining procedure and in situ hybridisation. DAB (3,3′-Diaminobenzidine) is utilised in many applications for the visualisation of peroxidase activity. In the peroxidase reaction, DAB serves as a hydrogen donor in the presence of peroxide. The oxidised DAB forms an insoluble brown end-product for use in immunohistological and immunoblotting staining procedures.

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Alcianblau-Lösung, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Alcian Blue solution has been used in the histological staining of acidic glycosaminoglycans (GAGs; mucopolysaccharides) that are carboxylated or sulfated. Sulfated glycosaminoglycans appear to be the preferred substrate for alcian blue at pH 2.5. Alcian blue has been used to stain hyaluronan (HA), a nonsulfated GAG, but the intensity of the staining of HA is affected by the method of tissue fixation used. Alcian blue staining of GAGs in tissue may be modified through the addition of an electrolyte such as magnesium chloride.

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Methylenblau (Neisser) für die Mikroskopie, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Methylene blue, Neisser formulation. Well developed granules of volutin (polyphosphate) may be seen in unstained wet preparations as round refractive bodies within the bacterial cytoplasm. With methylene blue they stain metachromatically, a reddish purple color.

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10-(2′,4′-Dinitrophenylazo)-9-phenanthrol, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

10-(2',4'-Dinitrophenylazo)-9-phenanthrol, (DNAF)

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APC-Cy5.5 Tandem 4 mg/ml, Suspension, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Phycobiliprotein exhibiting exceptional absorbance and fluorescence characteristics due to a lack of susceptibility to internal and external fluorescence quenching. Ideal for highly sensitive studies in flow cytometry and immunoassays.

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Bromocresol green-methyl red-Lösung gemischter Indikator, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Suitable for titration of morpholine

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Brillantgrün (Malachitgrün G) ≥90% (Farbstoffgehalt), zertifiziert durch die Biological Stain Commission, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Brillantgrün (Malachitgrün G) ≥90% (Farbstoffgehalt), zertifiziert durch die Biological Stain Commission, Sigma-Aldrich®

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Coomassie® Brillantblau R 250 ~50% (Farbstoffgehalt), technische Qualität, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

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).

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Brillantkresylblau Lösung R in Ethanol für die Mikroskopie

Supplier: SIGMA ALDRICH MICROSCOPY

Brilliant cresyl blue is a phenoxazine dye.

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Echtgrün FCF, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Echtgrün FCF, Sigma-Aldrich®

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Trypanblau 60% (Farbstoffgehalt) ≥80% (durch HPLC), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

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.

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Proflavine hemisulphate hydrate, Pulver, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Proflavine is a small, amphipathic, acridine-derived fluorescent dye.Proflavine hemisulfate is used as a rapid stain for cytological studies of biological specimens. It stains cytoplasmic structures and nuclei. Proflavine has the capability to intercalate double stranded DNA.

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Anthron in ACS analysereinem Wasser 97%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Anthrone, also known as 9(10H)-Anthracenone, is a planar tricyclic aromatic ketone. In acidic conditions, anthrone reacts with carbohydrate to yield a blue-green colour.

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2,7,12,17-Tetra-tert-butyl-5,10,15,20-tetraaza-21H,23H-porphine, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

2,7,12,17-Tetra-tert-butyl-5,10,15,20-tetraaza-21H,23H-porphine has been used in multifunctional drug delivery investigations from ionic triblock terpolymer micelles.

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Osteo-Bed-Knocheneinbettungslösungsmittel

Supplier: SIGMA ALDRICH MICROSCOPY

Zur Verwendung mit dem Osteo-Bed-Knocheneinbettungskit. Lösungsmittel entfernt Kunststoff von Abschnitten vor der Rehydrierung und Färbung. Die meisten histochemischen und immunhistochemischen Färbeprotokolle erfordern die Entfernung von Methylmethacrylat (MMA) und die Rehydrierung montierter Abschnitte, um die Farbpenetration zu verbessern und den Kontrast zu erhöhen.

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Nigrosine, zertifiziert durch die Biological Stain Commission, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Nigrosin,certified by the Biological Stain Commission (Acid black 2; Nigrosin water soluble).

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Thioflavin T Färbestoff für Amyloid, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Thioflavin T is a benzothiazole dye that increases in fluorescence upon binding to amyloid. Thioflavin T has been used in histology and for protein characterization.

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Acetate solution, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Intended for use in the Leukocyte Acid Phosphatase procedure, procedure No. 386 or 387

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Kristallviolett Lacton 97% (Farbstoffgehalt), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Crystal Violet lactone, Dye content 97%.

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Carbazol ≥95% (durch GC), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Carbazole is an aromatic heterocyclic organic molecule.

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