1051 Resultaten voor: "SIGMA ALDRICH MICROSCOPY"

Supplier: SIGMA ALDRICH MICROSCOPY

Cibacron Brilliant Yellow 3G-P, (Reactive yellow 2)

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Acid Green 25, Dye content ≥60 %

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Araldite® is an epoxy resin commonly used for embedding. It is basically free from polymerization damage and the plastic does not sublime in the microscope, hence providing continual support and preservation of fine detail.[1] It is composed of araldite M or CY 212, dodecenyl succinic anhydride, dibutyl phthalate and 2,4,6-tridimethylamine methyl phenol.

Supplier: SIGMA ALDRICH MICROSCOPY

Fontana-Masson staining is used for the demonstration of argentaffin substances such as melanin, argentaffin granules and some neurosecretory granules. Staining patterns may be useful in cases of carcinoid tumors and melanoma.

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JB-4 is a water-soluble, GMA based, plastic resin kit intended for use in the preparation of embedded samples for high resolution light microscopy. It is a technique now widely used for research and clinical diagnosis. JB-4 yields semi-thin sections (0.5μ-2μ) with excellent morphological preservation.

Supplier: SIGMA ALDRICH MICROSCOPY

Jenner's stain, suitable for blood stain (Eosin-Methylene Blue)

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Reagent used in the 91A procedure for the demonstration of non-specific esterase activity in leukocytes.

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Gillformulering nr. 3 kan worden gebruikt voor cytologie en/of histologie als een progressieve of regressieve kleuring, afhankelijk van de duur van de kleuring.

Supplier: SIGMA ALDRICH MICROSCOPY

3-Methoxydiphenylamine can be used in the preparation of 3- methoxydiphenylamine-4-diazonium salts (MDP-4-DS) and the corresponding diazoresins.[1] Diazonium salts and diazoresins find applications in dyes, stains, indicators, general laboratory use, and industrial applications.

Supplier: SIGMA ALDRICH MICROSCOPY

For use in procedure no. 395 for Periodic Acid-Schiff (PAS) and Silver Stain Procedure No. HT100.

Supplier: SIGMA ALDRICH MICROSCOPY

N-Carboxymethyl-6-(2,2-dicyanovinyl)-1,2,3,4-tetrahydroquinoline. ≥98% (HPLC) (CDCQ)

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Amyloid protein is detected in tissue with Congo red, a metachromatic stain. Staining is intensified by pretreatment of tissue with alkaline sodium chloride.

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Bromothymol Blue sodium salt has been used as a pH indicator in the yeast growth media (YPD, yeast extract peptone dextrose).

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Acid blue 20, Practical grade, Sigma-Aldrich®

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(= 10% Formaline-oplossing)

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Water-soluble, negatively-charged spin trap used to monitor aqueous phase of SDS micelles.

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Acridine Yellow G (AYG) is an organic dye with photophysical properties. It is widely used in optics, medicine and photovoltaic cells.

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It is used as diagnostic assay manufacturing, hematology, histology.

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Basacryl Red GL, Dye content 19 % (Basic Red 29)

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Alizarin red S (sodium salt), Sigma-Aldrich®

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Intended for use in the Gram Stain Procedure No. HT90.

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3,3′-Dioctadecyloxacarbocyanine perchlorate has been used for lipid bilayer labeling in antigen-presenting cells. It has also been used as a lipophilic dye for labeling in zebrafish embryos.

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Thymol iodide, (4,4'-Bis(iodooxy)-2,2'-dimethyl-5,5'-bis(1-methylethyl)-1,1'-biphenyl)

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Acridine Orange hydrochloride solution has been used to study autophagic cell death. It has also been used for the staining of chromosomes.

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o-Cresolphthalein, Sigma-Aldrich®

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Acridine orange is a metachromatic dye which can stain DNA, RNA and acid glycosaminoglycans. At low concentrations, it intercalates into DNA and precipitates RNA. However, at high concentrations it denatures and precipitates both RNA and DNA. Acridine orange is also used to analyse autophagy. It enters into acidic organelles in a pH-dependent manner. At neutral pH, acridine orange gives a green fluorescence and in acidic conditions, it accumulates in acidic organelles giving a bright red fluorescence.

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Wright stain, a modified romanowsky stain, is intended for differential staining of the cellular elements of blood. It comprises polychrome methylene blue and eosin B. Upon staining blood films with wright stain, the white blood cell nucleus and cytoplasm display characteristic blue or pink hues.

Supplier: SIGMA ALDRICH MICROSCOPY

Intended for use in the Sigma Masson Trichrome Procedure, HT15.

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Erythrosin yellowish, Sigma-Aldrich®

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Serine protease that selectively cleaves Arg-Gly bonds in fibrinogen to form fibrin and fibrinopeptides A and B.