Supplier: SIGMA ALDRICH MICROSCOPY

Disperse Yellow 3, Dye content 30 % (4-(2-Hydroxy-5-methylphenylazo)acetanilide; N-[4-(2-Hydroxy-5-methylphenylazo)phenyl]acetamide)

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Methylene Blue solution has been used to study structural alterations and p53 immune-expression in rats.

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New Coccine has been used to determine its decolorization by fungi Phanerochaete chrysosporium and Pleurotus sajorcaju.

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Thymoquinone has been used as an inhibitor of Escherichia coli ATP synthase and cell growth. It is also used as a drug against lower limb ischemia-reperfusion injury of sciatic nerve and femoral muscle. Thymoquinone is employed in preclinical studies as a neuroprotective and anticonvulsant agent.

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

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Fluoromount™ Aqueous Mounting Medium for use with fluorescent dye-stained tissue.

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3,4-Pyridinedicarboxamide,98% (Cinchomeronamide)

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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-Nitrophthalonitrile 99%, Sigma-Aldrich®

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3, 6-Diaminoacridine hydrochloride has been used for studying cation transfer at the liquid–liquid interface. An intercalating dye.

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Used as a kit component in Procedure 91 for the demonstration of specific esterase activity in peripheral blood smears or paraffin sections.

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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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Chrysophenine, Dye content 65 % (Direct Yellow 12)

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Tetrachlorophthalonitrile,98%

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Ethyl viologen diperchlorate has been used in in-situ spectroscopic studies of viologen based electrochromic device.

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Ethyl viologen dibromide (1,1-diethyl- 4,4-bipyridinium dibromide) has been used as an internal standard in analysis of paraquat and diquat in the serum using high-performance liquid chromatography.

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Lugol′s solution is a ready-to-use solution that comprises 6% iodine in 4% potassium iodide. It is commonly used as a mordant for Gram staining in bacteriology. It is used for staining bacterial target structures for diagnostic purposes by fixing, staining, counterstaining, and mounting bacteriological specimen materials.

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Used as a kit component for the 91A and 91C procedures for Esterase.

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Naftolo AS-MX fosfato, Sigma-Aldrich®

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For use with Sigma kit 86R, for the demonstration of alkaline phosphatase in granulocytes. The procedure is often referred to as the LAP procedure.

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Thymol meets analytical specification of Ph. Eur., BP, NF, 99 to 101%.

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In Schaeffer-Fulton`s method, a primary stain-malachite green is forced into the spore by steaming the bacterial emulsion. Malachite green is water soluble and has a low affinity for cellular material, so vegetative cells may be decolorized with water. Ve

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

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p-Rosolic acid (C.I. 43800) is an acid-baseindicator from the triphenylmethane group. It is also known as aurin and 4-[Bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadienone.

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Alizarin has been used as a biological stain to dye cotton fabrics and is used as standard in UV-visible spectrophotometer.

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Solvent Green 3, also known as Quinizarine Green SS (CI 61565) is an anthraquinone derivative. It is a green dye that imparts its colour to materials. Solvent Green 3 is made by condensing either leucoquinizarin or a mixture of leucoquinizarin and quinizarin with two moles of p-toluidine in the presence of boric acid.

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DPX Mountant for histology has been used as a slide mountant to fix sections.

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Lumichrome (7,8-Dimethylalloxazine) is a natural metabolite of riboflavin. It is a flourescent photoproduct of riboflavin degradation. It is known to be an effective photosensitiser and a fluorescent dye. Lumichrome is suitable as a fluorescence probe, metal ion sensor, and may be used for the inactivation of biological contaminants. Its applications are also seen in memory and semiconductor devices.

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Ethyl orange sodium salt 90% (dye content), Sigma-Aldrich®

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Sudan black B, Sigma-Aldrich®