1070 Risultati per: "SIGMA ALDRICH MICROSCOPY"

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

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Fast Red TR Salt hemi(zinc chloride) salt, Dye content 15 % (4-Chloro-2-methylbenzenediazonium salt; Azoic Diazo No. 11)

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Disposable PE paraffin moulds designed to be peeled from solidified embedding blocks.

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Used as a kit component in Gram Stain Procedure (Sigma Procedure HT90). Iodine, 0.33%, and potassium iodide, 0.66%.

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1,4-Bis(methylamino)-9,10-anthraquinone 97% (dye content), Sigma-Aldrich®

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8-Hydroxyjulolidine-9-carboxaldehyde 98%, Sigma-Aldrich®

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4-Pentylbicyclo[2.2.2]octane-1-carboxylic acid, 99%.

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8-Hydroxyjulolidine has been used in the electrochemical switching fluorescence study.

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4-(Phenylazo)diphenylamine ≥97%, Sigma-Aldrich®

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1-Iodo-3,5-dinitrobenzene 97%, Sigma-Aldrich®

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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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Uniblue A sodium salt ≥70% (by HPLC) Reactive stain for proteins, Sigma-Aldrich®

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Synonyms: Solvent blue 35

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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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Bicinchoninic acid is used for the determination of protein concentration. It is responsible for the making of intense purple complex with cuprous ion (Cu+) in the presence of alkaline conditions. The amount of Cu+ is in relation with the protein concentration.

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Leucoberbelin blue I has been used as a quencher in time-resolved fluorescence QRET technique for receptor-ligand interaction screening and to detect oxidized manganese species in Mn(II) (manganese) oxidation assays.

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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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2-Methyl-2-adamantanol,97%

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Tricarbocyanine laser dye intermediate

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3,4-Dicyanoaniline, Sigma-Aldrich®

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Epoxy embedding medium, hardener DDSA

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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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Basic blue 3 (BB3) can be removed from aqueous solutions with the help of activated carbon prepared from rubber seed coat.[1] Basic blue 3 (C.I. 51104) is a cationic dye. It is generally positively charged in an aqueous solution. Basic blue 3 has a brilliant blue shade and thus has been used as a colourant in dyeing acrylic fabrics.

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

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Eosina B per microscopia, Sigma-Aldrich®

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Mordant blue 13 60% (dye content), Sigma-Aldrich®

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Fast Red ITR, (Azoic Diazo No. 42)

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Verde malachite ossalato, Sigma-Aldrich®

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Eosina-blu di metilene sec. May-Grünwald soluzione, Sigma-Aldrich®