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A preweighed vial containing 50 mg o-Dianisidine. o-Dianisidine (3,3′-dimethoxybenzidine) is a peroxidase substrate suitable for use in ELISA procedures. This substrate produces a soluble end product that is yellow-orange in color and can be read spectrophotometrically at 405 nm. The reaction may be stopped with 5 M HCl.

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Nitro Blue Tetrazolium is a tetrazole compound with two tetrazole rings.

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Phosphomolybdic acid solution,ready-to-use spray and plunge reagent, for chromatography (Molybdophosphoric acid)

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Paraplast Plus® is a tissue embedding medium comprising highly purified paraffin and polyisobutylene with approximately 0.8% DMSO added to improve infiltration, sectioning, and penetration into tissues. It is recommended for tissues that are difficult to process with regular Paraplast®. Paraplast Plus® cuts continuous ribbons at 2 μm thickness or short ribbons at 1 μm thickness.

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1% hematoxylin in ethanol. To be used in conjunction with HT109.

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Intended for use in the study of connective tissue, muscle and collagen fibers. Stains collagen blue and muscle red.

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Pyronin stains the cytoplasm of plasma cells and most nucleoli red.

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Bouin's solution is an excellent fixative for preserving soft and delicate structures. It is prepared with saturated picric acid, formaldehyde and acetic acid.

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Intended for use in the Acid Fast Stain, Procedure No. HT80 with Malachite Green counterstain Catalog No. HT80-2

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General purpose cytoplasmic counterstain. Used with hematoxylin and eosin staining.

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Sudan Red 7B has been used to stain the fat bodies of Ostrinia nubilalis (Hübner) larvae. Sudan red 7B, also known as fat red, is a non-fluorescent stain.[2] It is effectively used to stain lipids and is used to indicate the presence of suberin in cell walls.[2][3][4] Sudan red 7B acts as a marker for formosan subterranean termite, Coptotermes fornosanus Shiraki.

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Thiazolyl Blue Tetrazolium Blue (MTT) may be used in measurement of cell proliferation. MTT produces a yellowish solution that is converted to dark blue, water-insoluble MTT formazan by mitochondrial dehydrogenases of living cells. The blue crystals are solubilized with acidified isopropanol and the intensity is measured colorimetrically at 570 nm. MTT has been used as a histochemical/cytochemical reagent and for the detection of NAD. ADP-linked enzyme systems in tissue cannot be detected with MTT, due to binding of the cation by the cyanide trap used. MTT is rapidly reduced to the formazan, which chelates with nickel, copper, and cobalt; the cobalt chelate has been used in oxidative systems.

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1,2-Dichloro-4,5-dinitrobenzene,98%

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This is a mounting medium (contains 45% acrylic resin and 55% xylenes) used in microscopy. It is an adhesive and specimen preservative that can be used manually and in automated coverslipping equipment. Special purpose adhesive and sealant for use with glass, non plastic and other non-reactive materials.

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D.P.X mounting medium is a mixture of distyrene (polystyrene), a plasticizer (tricresyl phosphate), and xylene. It facilitates the protection of stains and can dry quickly.

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4-Nitrophthalonitril 99%, Sigma-Aldrich®

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Hæmatoxylin, Sigma-Aldrich®

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3-(2-Pyridyl)-5,6-diphenyl-1,2,4-triazine-4′,4′′-disulfonic acid sodium salt is a chelating agent for ferrous iron. It is also known as Ferrozine.

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Giemsa's farve, Sigma-Aldrich®

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Chrysophenine, Dye content 65 % (Direct Yellow 12)

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Membrane impermeant, phenanthridinium intercalator dye excited by mercury or xenon-arc lamps or argon-ion laser. Suitable for use in fluorescence microscopy, confocal laser scanning microscopy, flow cytometry, and fluorometry. Used as a nuclear counterstain.

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A negatively charged polymethine dye that forms noncovalent fluorescent complexes with proteins.

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Brilliant Green is a dye and an antiseptic agent.

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Sulfobromophthalein disodium salt hydrate has been used as a positive control to study the interaction of 11-keto-β-boswellic acid (KBA) and 3-acetyl-11-keto-β-boswellic acid (AKBA) with organic anion transporter OATP1B3.

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Rose Bengal lactone 95%, Sigma-Aldrich®

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Solution 2% in amyl acetate (Cellulose nitrate).

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Methyl blue (C.l. 42780) is a triaminotriphenylmethane dye with each amino group carrying a monosulfonated phenyl substituent. It is also known as Water blue, Acid blue 93, Cotton blue, Poirriers blue, and Aniline blue water soluble.

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Orcein, Sigma-Aldrich®

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Used in electrophoresis and as a hapten carrier. Most commonly used to prepare density gradients. A nonionic synthetic polymer of sucrose.

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Fast black K (C.l. 37190) is a lipophilic amino-substituted monoazo dye. It is also known as Brentamine fast black K salt.