1072 Results for: "SIGMA ALDRICH MICROSCOPY"

Supplier: SIGMA ALDRICH MICROSCOPY

Epoxy embedding medium, hardener DDSA

Supplier: SIGMA ALDRICH MICROSCOPY

Eosin B för mikroskopi, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Allura Red AC is a food azo dye. It is a dark red powder or granules, that is soluble in water and insoluble in ethanol. Allura Red AC has been used: for the determination of fecal neutral sterols (FNS) in mice, to evaluate its developmental toxicity, as a coloring reagent for observing the experimental performance of liquid-handling robot.

Supplier: SIGMA ALDRICH MICROSCOPY

Bromtymolblått natriumsalt 0,04% i vattenlösning, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

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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Eosin Y, also known as Eosin yellowish is a widely used xanthene dye. It is a counterstain that is used to distinguish between various connective tissue fibers and matrices, and the cytoplasm of different types of cells. Eosin in combination with hematoxylin is useful to demonstrate the general histological architecture of a tissue.

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Phenolphthalein is an acid base indicator. It is a weak acid, which is colorless in acidic solution and turns puce pink in alkaline solution. Phenolphthalein is genotoxic. It might cause oxidative damage and binds to estrogen receptors. Phenolphthalein solution is a synthetic indicator. It is colorless in acidic and neutral conditions. Phenolphthalein gives pink color when added to a base, therefore it is considered as a base indicator.

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Methyl orange (C.I. 13025) is the sodium salt of p-dimethylaminoazobenzenesulfonic acid. It is an orange-colored synthetic dye, which changes color depending on the pH of the solution. It develops a red color in acidic solution and yellow color in basic solution.

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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.

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Sudan I is a lysochrome, a diazo-conjugate dye, used as an industrial dye, added to products such as waxes, oils, petrol, solvents and polishes. Sudan I is a category three carcinogen previously, now banned, used to colour certain foodstuffs. It can be used as a diagnostic assay manufacturing, hematology, histology.

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Abies balsamea, Sigma-Aldrich®

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4-Nitrobenzenediazonium tetrafluoroborate has been used in ellipsometry. It has also been used for surface modification of carbon nanotubes (CNTs).

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May Grunwald's eosin-methylene blue lösning, Sigma-Aldrich®

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Direct Red 23 has been used to stain water-hydrated seeds.

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Silver Enhancer Kit has been used to determine the presence of gold nanorods in various tissues and to prepare silver enhanced gold colloids for electron microscopy.

Supplier: SIGMA ALDRICH MICROSCOPY

Suitable as a laser dye.

Supplier: SIGMA ALDRICH MICROSCOPY

Pyronin G, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

3,6-Dichloro-1,2-benzenedithiol has been used as a ligand in thiolate complexes, and a series of homochalcogenide and mixed-chalcogenide ligand complexes.

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It may be used to prepare porphyrin based matrices for the detection of water soluble vitamins by matrix-assisted laser desorption/ionization (MALDI) mass spectrometry. It may be used to prepare 5,10,15,20-tetrakis (4-polyethyleneoxy)phenyl)) porphyrin. Nanoporous silica inserted with 2H-OHTPP imparts gas sensitivity, and it could be useful to detect NO2 by surface plasmon resonance.

Supplier: SIGMA ALDRICH MICROSCOPY

Synonyms: Solvent blue 35

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2-Methyl-2-adamantanol,97%

Supplier: SIGMA ALDRICH MICROSCOPY

5,10,15,20-Tetrakis(4-methoxyphenyl)-21H,23H-porphine is an achiral porphyrin derivative. It forms chiral supramolecular assemblies via spontaneous symmetry breaking at the air or water interface.

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Erythrosin yellowish, Sigma-Aldrich®

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Uniblue A sodium salt ≥70% Reactive stain for proteins, 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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Chromotrope 2R has been used in the Gomori trichrome staining in osteochondral tissues. It has also been used for the staining of eosinophils in lung sections. Chromotrope 2R is used for the staining of microsporidia in body fluids and stool samples. It is used in modified Gomori′s trichrome staining. Chromotrope 2R has high affinity for phospholipids and is used for the staining of mitochondrial and endoplasmic reticulum membrane in histological samples.

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Chrysin has been used to study the effect of bioflavonoids on the inhibition of ATP synthase in Escherichia coli. It has been used to study the effect of Chrysin on eIF4E (eukaryotic translation initiation factor 4E) expression in AGS cell (human gastric carcinoma cell) line. It has been used to study the effect of chrysin on human ovarian cancer cells.

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Carmine, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Certified for Nissl staining of paraffin sections of spinal cord and brain and to stain cartilage and mast cell granules.

Supplier: SIGMA ALDRICH MICROSCOPY

Chlorophyll a has been used as a standard for the calibration of fluorometer.