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Reactive Black 5 (RB5) has been: used in an optimization study on the photocatalytic degradation of RB5 dye in synthetic greywater effluent (i.e. aqueous RB5 in distilled water), in order to understand the effects of different photoreactor parameters on the degradation kinetics. As a textile dye to investigate the anaerobic reduction in upflow stirred packed-bed reactors (USPBRs) with biological activated carbon (BAC) system. Used in the performance evaluation of dye removal forlarge molecule substance.

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Quinoline Yellow, Mixture of the mono- and disulfonic acids of Quinoline Yellow (Acid Yellow 3)

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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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Acetone 2,4-Dinitrophenylhydrazone 99% étalon analytique, pour analyse environnementale, Sigma-Aldrich®

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

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Acridine Orange base (3,6-Bis(dimethylamino)acridine) is a cell-permeable fluorescent dye that binds to nucleic acids. It emits green fluorescence when bound to dsDNA and red fluorescence when bound to ssDNA or RNA. It is also known to be a positive solvatochromic dye. Acridine orange has also been used as a lysosomal dye. It is widely used to detect the presence of homeopathic potencies.

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Pyronine G, Sigma-Aldrich®

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

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1,1'-Dioctadecyl-4,4'-bipyridinium dibromide,97% (Octadecyl viologen dibromide)

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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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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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1-(4-(Phénylazo)phénylazo)-2-naphtol, Sigma-Aldrich®

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Solvent Blue 38 is a phthalocyanine stain, used for staining myelin, neurons and glial fibres.

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Acid Blue 25, Dye content 45 %

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Popular hematology stain used for differentially staining the cellular elements of blood. For dip, rack, and batch staining techniques.

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Methyl violet for microscopy (Bact., Bot., Hist.), indicator (pH 0.1 - 2.0), mixture of polymethylated pararosaniline hydrochlorides.

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Rhodamine 123 is useful as a laser dye and to have selective cell growth effects. It has also been used to measure mitochondrial membrane potential.

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Vert de methyle, Sigma-Aldrich®

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Acid Blue 80, Dye content 40 %

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Cell impermeable fluorescent probe for Ca2+.

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Dihydrorhodamine 123 has been used for the detection of free intracellular radicals or ROS (reactive oxygen species).

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4-(2-[6-(Dioctylamino)-2-naphthalenyl]ethenyl)-1-(3-sulfopropyl)pyridinium inner salt. ≥95% (HPLC), solid (Di-8-ANEPPS)

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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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4,5-Methylenedioxy-1,2-phenylenediamine dihydrochloride is a fluorescence tag for α keto acids. It is also required for the derivatisation of sialic acids in presence of dilute sulfuric acid. The method allows determination of sialic acids.

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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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4,7-Dihydroxy-1,10-phenanthroline, Dye content ≥30 % (1,10-Phenanthroline-4,7-diol)

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Percoll® is a classic medium for density gradient centrifugation of cells, viruses, and subcellular particles. It consists of colloidal silica particles of 15 – 30 nm diameter (23% w/w in water), coated with polyvinylpyrrolidone (PVP).

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Cresyl Violet perchlorate is suitable as a laser dye.

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Produces highly insoluble dark green stain in histochemical studies.