1070 Risultati per: "SIGMA ALDRICH MICROSCOPY"

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Bismarck Brown R has been used as an adsorbate and is used in dye decoloration experiment.

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Tissues are stained for Gram-positive organisms with crystal violet, mordanted in iodine, decolorized, stained for Gram-negative organisms with safranin O and then counterstained with tartrazine. For delineating Gram-positive and Gram-negative organisms

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Fluoroshield™ with 1,4-Diazabicyclo[2.2.2]octane is an aqueous mounting medium for preserving fluorescence of tissue and cell smears.

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Pararosaniline acetate, Dye content 90% (Basic Parafuchsin; Basic Red 9; Magenta(TM) O).

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It contains p-Phenylenediamine diHCL (1 part) and catechol (2 parts). Commonly referred to as Hanker Yates reagent. Kit component in the Sigma Leukocyte peroxidase (myeloperoxidase) Procedure, 390A.

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5,10,15,20-Tetraphenyl-21H, 23H-porphine is a porphyrin compound.

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Gram staining is one of the most significant staining techniques in microbiology. Gram′s decolouriser solution is a mixture of ethanol and acetone. Gram′s decolouriser solution is used in Gram staining procedure, after the iodine step to remove the crystal violet dye. The decolouriser dissolves the lipid layer from the gram-negative cells.

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Counting leukocytes in the counting chamber.

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1,2,3,3-Tetramethyl-3H-indolium iodide,98%

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Tetramethylrhodamine-5-isothiocyanate (5-TRITC), Sigma-Aldrich®

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Fluorescent diazoalkane useful as an HPLC derivatization reagent for carboxylic acid detection with better detection limit parameters and greater chemical stability than the commonly used 9-anthryldiazomethane.

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Stains-All has been used for the staining of gel made for size determination of hyaluronan. It has also been used for the staining of DNA oligonucleotides separated by nondenaturing polyacrylamide gel electrophoresis.

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Bromobimane is also known as monobromobimane. It is also a known probe for thiols and is a fluorescent reagent activated upon a photolysis reaction.

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Methyl Blue is a triaminotriphenylmethane dye, widely used in paper, textile and leather production.

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General purpose nuclear stain, progressive type. Used with hematoxylin and eosin staining.

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Verde Fast, Sigma-Aldrich®

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1,1,2-Trimethyl-3-(4-sulfobutyl)benz[e]indolium, inner salt, Dye content 90 % (1,1,2-Trimethyl-3-(4-sulfobutyl)-1H-benz[e]indolium hydroxide, inner salt; 1-(4-Sulfobutyl)-2,3,3-trimethyl-4,5-benzindolium, inner salt)

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N-Benzylidenebenzenesulfonamide,97%

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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 12mL polypropylene centrifuge tubes specially designed with two chambers separated by a porous high-density polyethylene barrier ('frit'). Each tube is aseptically filled with 3 mL of Histopaque 1077. Each tube will separate 3 to 6 ml of anticoagulated blood.

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Aurintricarboxylic acid ammonium salt has been used as a nuclease inhibitor to study its effects on transfection.

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Kit component for Sigma Alkaline Phosphatase Procedure, kits 86C and 86R

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May be used as a substitute for trypan blue for some biological and staining applications.

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Ematossilina

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Silane-prep slides are microscope slides coated with silane (aminoalkysilane) to improve the adhesion of tissues to the slide for immunohistochemistry. The slide includes a 'frosted end' for slide/patient identification. It is not tested for use in microarray assays.

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Kit component in the silver stain kit.

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Tetrabromophenol Blue sodium salt, Dye content 85% (3,3',3'',4,5,5',5'',6-Octabromophenolsulfonphthalein sodium salt).

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Intended for use with Carbol Fuchsin (HT80-1) in Sigma Acid Fast Stain, Procedure HT80. Acts as both a counterstain and a differentiator.

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Ponceau S solution has been used for membrane staining (Western blotting).

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4-Phenoxyphthalonitrile,98%

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Pararosaniline Base,crystalline (Parafuchsin; Paramagenta)