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Arsenazo III has been used as a color forming reagent to determine uranium concentration.

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Redox indicator. Blue fluorescence until oxidized to ethidium. Dihydroethidium has been used as a superoxide probe in bovine pulmonary artery endothelial cell (BPAEC).

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Erythrosin B disodium salt, Sigma-Aldrich®

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Used as a red nuclear counterstain in various cytochemical procedures.

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Nile blue chloride has been used to stain non-aqueous phase in fluorescence microscopy studies.

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Schiff base which can be converted to amino alcohols and amino esters.

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Hematoxylin has been used for staining gastric cancer tissues, myocardial tissue, heart sections and ovarian nuclei.

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Acid Blue 80, Dye content 40 %

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2',7'-Dichlorofluorescein, Sigma-Aldrich®

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Picric acid (2,4,6-trinitrophenol) has antibacterial as well as antifungal properties. It stains the fungal spores and hyphae a pale to dark yellow color.

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Acetone 2,4-Dinitrophenylhydrazone 99% analytical standard, for environmental analysis, Sigma-Aldrich®

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4-(4-Nitrophenylazo) resorcinol, also known as azo violet or magneson I, is a red colored powder. It functions as a spot test reagent and forms blue lake on reaction with Mg(OH)₂ in alkaline solution. It is mainly used for determining the presence of magnesium in the solution. 4-(4-Nitrophenylazo)resorcinol is a pH indicator.

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Acid Blue 25, Dye content 45 %

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7-Diethylamino-3-(4-maleimidophenyl)-4-methylcoumarin has been used: as a nontoxic substitute for conjugation with antibody(93) to aid fluorescent detection of Coenzyme A (CoA-SH) in human N-myristoyltransferases assay (94)

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S-Ethylisothiouronium bromide, Sigma-Aldrich®

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Produces highly insoluble dark green stain in histochemical studies.

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In living mice, acriflavine hydrochloride has been used in the confocal laser endomicroscopy to check the crypt structure in mucosa. It has also been used in Neurospora strain selection by checking the acriflavine resistance.

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1,2,3,4-Tetrahydro-2,2,4,7-tetramethylquinoline,97%

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4,4'-Dinitro-2-biphenylamine,98%

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2,4,6-Tris(dimethylaminomethyl)phenol, Sigma-Aldrich®

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6-Aminofluorescein has been demonstrated to be useful fluorescent labeling reagent for fullerene-based liposome nanostructures termed 'buckysomes'. 6-aminofluorescein dissolved in 0,1 N NaOH can be quantified from a maximum absorbance at 490 nm. Decarboxylated 6-aminofluorescein dissolved 6 N HCl (prepare by constant boiling at 110 °C for 24 h) can be quantified from a maximum absorbance at 454 nm. Aldehyde groups are formed by oxidateive damage to proteins, which can be detected by conjugation to decarboxylated 6-aminofluorescein. 6-Aminofluorescein has been used to determine its ability to potentiate the antiviral activity of poly r (A-U).

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Acid Fast TISSUE-TROL™ Control Slides from mouse lung tissue containing Mycobacterium gordonae, TISSUE-TROL™

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Histology slides with paraffin embedded section of human skin containing melanin.

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Intended for heat-induced antigen retrieval on formalin-fixed paraffin-embedded (FFPE) tissue sections prior to application of antibodies in immunohistochemistry (IHC). Improves accessibility of antibodies to tissue antigens.

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Intended for the histochemical demonstration of neutrophil granules in blood or bone marrow films.

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Nile Blue A has been used for the staining of eggs before transferring them to the hosts. It has been used for the staining of cells.

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General purpose nuclear stain, progressive type. Used with hematoxylin and eosin staining.

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This material has a structure similar to Granular Blue (CAS No. 71431-29-3). It has been referred to in some literature as Granular Blue, a fluorescent neuronal tracer.

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Leucomalachite green has been used as a reagent in presumptive tests which are used to detect invisible blood stains.

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Sulfochlorophenol S sodium calcium salt, (2,7-Bis(2-hydroxy-3-sulfo-5-chlorophenylazo)-1,8-di-hydroxynaphthalene-3,6-disulfonic acid)