1057 Results for: "SIGMA ALDRICH MICROSCOPY"

Supplier: SIGMA ALDRICH MICROSCOPY

Nigrosin, alcohol soluble. Nigrosin is a black colored powder. It is widely used to manufacture ink and shoe polish. It is also employed for dyeing leather, wood and textiles. In addition, alcohol soluble nigrosin dye is used in carbon papers, typewriter and ribbons. It is used as an ingredient in rubber repairing lacquer.

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.

Supplier: SIGMA ALDRICH MICROSCOPY

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

Supplier: SIGMA ALDRICH MICROSCOPY

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

Supplier: SIGMA ALDRICH MICROSCOPY

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

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

Supplier: SIGMA ALDRICH MICROSCOPY

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.

Supplier: SIGMA ALDRICH MICROSCOPY

Thymol blue sodium salt in ACS Reagent grade water 95% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Dye content - ≥85%.

Supplier: SIGMA ALDRICH MICROSCOPY

Gill formulation No. 3 can be used for cytology and/or histology as a progressive or regressive stain depending on length of staining time.

Supplier: SIGMA ALDRICH MICROSCOPY

(= 10% Formaline solution)

Supplier: SIGMA ALDRICH MICROSCOPY

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

Supplier: SIGMA ALDRICH MICROSCOPY

o-Cresolphthalein, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

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

Supplier: SIGMA ALDRICH MICROSCOPY

Azure A is a basic cationic dye. The combination of azure A and silver staining is used for the quantification of glycosaminoglycans in agarose gels. It is also used for the staining of chromosomes in the nucleus. It is a main component of the azure B/polychromed methylene blue – eosin stains family, also referred to as the Romanowsky stain.

Supplier: SIGMA ALDRICH MICROSCOPY

Purpurin (1, 2, 4-trihydroxyanthraquinone) is the key pigment present in the roots of Indian madder (Rubia cordifolia). This pigment produces colors, with distinctive heat and light resistant properties.

Supplier: SIGMA ALDRICH MICROSCOPY

Thionin(acetate), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Reagent used for the generation of chemiluminescence in the presence of a reductant and oxygen; it is employed in numerous chemiluminescent assays. Lucigenin is specific for superoxide anion radical.

Supplier: SIGMA ALDRICH MICROSCOPY

Useful standard for elemental analysis.

Supplier: SIGMA ALDRICH MICROSCOPY

2-Methoxy-4-nitrophenol 97%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

3,3′-dihexyloxacarbocyanine iodide (DiOC6) is a supravital lipophilic fluorochrome. This cationic dye is employed to stain mitochondria and endoplasmic reticulum in animal and plant cells. In addition, it acts as a very rapid, consistent and highly selective fluorochrome for endophytic ascomycetes in plant roots and liverworts. DiOC6 also facilitates the detection of different mitochondrial changes happening during early apoptosis.

Supplier: SIGMA ALDRICH MICROSCOPY

3,3'-Dipropylthiacarbocyanine iodide,98% (3-Propyl-2-[3-[3-propyl-2(3H)benzothiazolylidene]-1-propenyl]benzothiazolium iodide; DiSC3(3))

Supplier: SIGMA ALDRICH MICROSCOPY

Wright Stain solution, for microscopy (Eosin Methylene blue solution according to Wright; Wright's eosin methylene blue)

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Benzoyl peroxide (B5907) is specifically formulated as an initiator for these resins.

Supplier: SIGMA ALDRICH MICROSCOPY

Epoxy embedding medium is generally used for biological tissues during study by electron microscopy. Usually, it consists of three components; Epon 812 resin, an anhydride hardener and an accelerator

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Hematein, for microscopy (Hist.).

Supplier: SIGMA ALDRICH MICROSCOPY

Fluoroshield™ with PPD (p-phenylenediamine; 1,4-phenylenediamine) is an aqueous mounting medium for preserving fluorescence of tissue and cell smears.

Supplier: SIGMA ALDRICH MICROSCOPY

A cell-permeable generator of singlet oxygen.

Supplier: SIGMA ALDRICH MICROSCOPY

Composition: Nigrosin 100 g/l, Formalin 5 ml/l in water

Supplier: SIGMA ALDRICH MICROSCOPY

Glutaraldehyde bis(2,4-dinitrophenylhydrazone) analytical standard, for environmental analysis, Sigma-Aldrich®