1054 Results for: "SIGMA ALDRICH MICROSCOPY"

Supplier: SIGMA ALDRICH MICROSCOPY

Azure B (azure I) ≥89% (dye content), certified by the Biological Stain Commission, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

2-(5-Bromo-2-pyridylazo)-5-(diethylamino)phenol,97% (Bromo-PADAP).

Supplier: SIGMA ALDRICH MICROSCOPY

Nitrotetrazolium blue (NBT), in combination with BCIP (5-bromo-4-chloro-3-indolyl-phosphate), is required for the detection of labeled probes in western blots. It is part of the colorimetric detection assay. NBT and BCIP dyes detect alkaline phosphatase activity, thereby generating an insoluble purple dye (diformazan). The dye is visible at areas where the labeled probe has hybridised to its target.

Supplier: SIGMA ALDRICH MICROSCOPY

Suitable for detection of glycoproteins

Supplier: SIGMA ALDRICH MICROSCOPY

Alizarin Blue Black B, (Mordant Black 13)

Supplier: SIGMA ALDRICH MICROSCOPY

N,N-Dimethylindoaniline, Dye content 97% (Phenol Blue).

Supplier: SIGMA ALDRICH MICROSCOPY

2-(4-Hydroxyphenyl)-5-pyrimidinol 90%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Phosphate buffer's buffering capacity is pH sensitive and is preferred to be used at physiological pH (7,2 to 7,4).

Supplier: SIGMA ALDRICH MICROSCOPY

Direct Red 81, Dye content 50 % (DR 81; Disodium 7-benzamido-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate)

Supplier: SIGMA ALDRICH MICROSCOPY

Bromothymol blue has been used for freshwater pH measurements over a broad range of buffer intensities.

Supplier: SIGMA ALDRICH MICROSCOPY

Hydroxy naphthol blue disodium salt, ACS reagent.

Supplier: SIGMA ALDRICH MICROSCOPY

Carbol Fuchsin is a basic dye which forms a yellow-brown compound in presence of acid. It is mainly required for the staining of mycobacteria. The waxy walls of mycobacteria helps in retaining the dye within cells. It can also be used for the staining of bacterial spores.

Supplier: SIGMA ALDRICH MICROSCOPY

Benzaldehyde tosylhydrazone,98%

Supplier: SIGMA ALDRICH MICROSCOPY

trans-4-Stilbenemethanol

Supplier: SIGMA ALDRICH MICROSCOPY

Cardiogreen was injected in animals intravenously for dynamic optical imaging system to study the capability of capturing the in vivo biodistribution kinetics.

Supplier: SIGMA ALDRICH MICROSCOPY

ACCUSPIN System-Histopaque-1077 products are intended for use in the isolation of lymphocytes and other mononuclear cells. The separation medium, Histopaque-1077, is a sterile-filtered, endotoxin-tested solution of polysucrose and sodium diatrizoate, adjusted to a density of 1,077 g/ml. ACCUSPIN System-HISTOPAQUE-1077 employs γ-irradiated 50 mL polypropylene centrifuge tubes specially designed with two chambers separated by a porous high-density polyethylene barrier ('frit'). Each tube is aseptically filled with 15 ml of Histopaque 1077. Each tube will separate 15-30 mL of anticoagulated blood.

Supplier: SIGMA ALDRICH MICROSCOPY

1,4-Dimethylpyridinium iodide,99%

Supplier: SIGMA ALDRICH MICROSCOPY

PolyFreeze is a water-soluble support matrix and a form of embedding medium for frozen sectioning. PolyFreeze sections flawlessly at routine frozen specimen thickness of 5-6 μ and leaves no slide residue. It provides for -20 ºC cryostat sectioning in rapid set embedment. This medium freezes quickly supporting the tissue for sectioning at 3 mm and up with no cracking of the matrix at temperatures from -8 °C to -25 °C.

Supplier: SIGMA ALDRICH MICROSCOPY

Erythrosin extra bluish is a brown color powder, that is soluble in ethanol and water. Its pH ranges from 2,5 to 4. It is used in color filters, light emitting diodes, cosmetics, hair dyes and more. It has several biological applications like detecting gene expression, treating age related macular degeneration, diabetes, obesity and more.

Supplier: SIGMA ALDRICH MICROSCOPY

Toluidine Blue O (TBO) is a thiazine dye of the quinone-imine family and is cationic in nature. It has been employed in polychromatic staining of paraffin embedded plant cell walls. It is a metachromatic dye suitable for a wide variety of histological staining procedures. A metachromatic dye suitable for a wide variety of histological staining procedures. Toluidine Blue O has been used to stain a variety of specimens like mesenchymal cells, taste buds, osteoblasts, matrix, and more.

Supplier: SIGMA ALDRICH MICROSCOPY

May be substituted for hematoxylin in hematoxylin and eosin procedures.

Supplier: SIGMA ALDRICH MICROSCOPY

Ethidium bromide monoazide. ≥95% (HPLC), solid (3-Amino-8-azido-5-ethyl-6-phenylphenanthridinium bromide; Ethidium monoazide bromide)

Supplier: SIGMA ALDRICH MICROSCOPY

Fast Blue RR is part of the azo coupling system and is required for the staining of hydrolytic enzymes. In the presence of naphthol, it results in the formation of an insoluble coloured precipitate at the site of enzyme activity.

Supplier: SIGMA ALDRICH MICROSCOPY

Rhodamine B is a thiol-reactive and photostable fluorescent dye. Rhodamine B isothiocyanate is an aminoxanthene that possesses carboxylic acid and isothiocyanate substituents on the pendant phenyl ring.

Supplier: SIGMA ALDRICH MICROSCOPY

2,6-Diphenyl-4H-thiopyran-4-one,96%

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: SIGMA ALDRICH MICROSCOPY

1-Phenyl-2,3-naphthalenedicarboxylic anhydride,98%

Supplier: SIGMA ALDRICH MICROSCOPY

Carbol-Fuchsin solution according to Kinyoun,for microscopy (Kinyoun's carbol-Fuchsin)

Supplier: SIGMA ALDRICH MICROSCOPY

N,N'-Bis(salicylidene)-1,2-phenylenediamine,97%

Supplier: SIGMA ALDRICH MICROSCOPY

Phenol Red Sodium Salt (PRSS) is a water-soluble anionic fluorescent dye, that possesses an extra Na ion attached with the SO3 group compared to phenol red. It is intended for use in cell culture applications. A solution of phenol red will have a yellow color at a pH of 6,4 or below and a red color at a pH of 8,2 and above.