Stains & Dyes

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  • Ethidium Bromide Solution

    MP Biomedicals

    A 10 mg/mL Ready-To-Use solution of EtBr in specially filtered, deionized water. Ethidium bromide (EtBr) is useful for all applications requiring nucleic acid staining including CsCl plasmid DNA isolation and is the most commonly used nucleic acid stain for PAGE or agarose gel electrophoresis.…

  • Congo Red

    MP Biomedicals

    Congo red is a secondary diazo dye. It is a High Purity Biological Stain. Congo Red is suitable for staining cytoplasm, erythrocytes and collagen. Useful probe for conformational studies of nucleotide-binding enzymes.

  • Bromocresol Purple

    MP Biomedicals

    Bromocresol purple binds quantitatively with human serum albumin forming a stable complex with absorbance maximum at 600 nm. The intensity of the color produced is directly proportional to the albumin concentration in the sample. Bromocresol Purple is used as a pH indicator (5.2-6.8 : yellow to…

  • 2,6-dichlorophenolindophenol (DCPIP) is a blue chemical compound used as a redox dye. In Oxidized form DCPIP is blue; whereas in reduced form DCPIP is colorless. The rate of photosynthesis can be measured by the rate at which this dye changes color (is reduced) when exposed to light in a…

  • Coomassie Blue R-250 is a triphenylmethane dye used extensively in SDS-PAGE for the analysis of proteins. Brilliant Blue R has been used for many years for staining proteins on polyacrylamide electrophoresis gels. Improvement of sensitivity and background have been accomplished using Brilliant…

  • Nile Red

    MP Biomedicals

    Nile Red is an uncharged, hydrophobic, photostable molecule that strongly fluoresces bright red in hydrophobic environments. It is a fluorescent stain for intracellular lipid droplets. Nile red can be used for the rapid determination of lipids by thin-layer chromatography or for staining whole…

  • TMB is a chromogenic substrate for Horse Radish Peroxidase (HRP). MP Biolomedicals' TMB Solution is a convenient, non toxic and ready to use stable chromogen solution suitable for peroxidase and pseudo-peroxidase reactions in ELISA, it provides consistent performance and sensitivity to deliver…

  • 2,3,5-Triphenyltetrazolium Chloride is a redox indicator. In the TTC assay (also known as TTC test or tetrazolium test), TTC is used to differentiate between metabolically active and inactive tissues. The white compound is enzymatically reduced to red TPF (1,3,5-triphenylformazan) in living tissues…

  • Fast Blue B Salt

    MP Biomedicals

    Fast blue B salt is useful for TLC of Aflatoxins. Fast Blue B is a diazonium salt used as a tissue stain.

  • Alcian Blue 8GX

    MP Biomedicals

    Alcian Blue 8GX is a cationic dye used to quantitatively determine glycosaminoglycans by forming insoluble complexes in solution. Alcian Blue 8GX can be used to determine proteins based on their Resonance Light Scattering by strongly enhancing the signals. It is useful as a bacterial stain, and as…

  • Brilliant Sulfaflavine

    MP Biomedicals

    Brilliant Sulfaflavine is not the same as FIAT (Brilliant Sulfoflavin FF; Acid Yellow 7) which has only one methyl group para to the nitrogen. Brilliant sulfaflavine was used as fluorescent tracers to study the application rate of foliar fungicides when applied to soybeans for the control of rust.

  • Cobalt chloride is utilized in commercial applications such as electroplating, catalyst preparation, painting on glass and porcelain, and in the manufacture of vitamin B12. It is also used as a humidity and water indicator; when cobalt chloride is used with desiccants, it will change from blue to…

  • Eosin Y, a red xanthene dye, has been noted to reduce the affinity of Mg2+- ATPase for ATP and increase the enzyme affinity for Mg2+ at concentrations of 10-50 μM. At higher concentrations near 100 μM the affinity for Mg2+- ATPase for the ion-activator has been shown to be reduced. This…

  • Ponceau S

    MP Biomedicals

    Ponceau S is used as protein stain for electrophoresis.

  • Acriflavine Hydrochloride

    MP Biomedicals

    Acriflavine Hydrochloride is a mixture of 3,6-diamino-10-methylacridinium chloride and 3,6-diaminoacridine (approximately an 9 to 1 mixture respectively). Acriflavine Hydrochloride acts as an intercalating dye and also reported to inhibit mitochondriogenesis. It is an antiseptic and has been…

  • 8-Anilino-1-naphthalene Sulfonic 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…

  • Fluorescent Brightener 28

    MP Biomedicals

    Fluorescent Brightner 28 is a colorless organic compound that fluoresces (clear bluish) under ultraviolet radiation. It is related structurally to Fluorescent Brightner 9 (Calcofluor White MR) which was used by Jefferies and Belcher and Maeda and Ischida in plant tissue studies. Fluorescent…

  • 3,3',5,5'-Tetramethylbenzidine is suitable as peroxidase substrate for use in ELISA procedures. The substrate produces a soluble end product that is pale blue in color and can be read spectrophotometrically at 370 or 620-650 nm. The TMB reaction may be stopped with 2 M H2SO4 (resulting in a…

  • Indocyanine Green

    MP Biomedicals

    Indocyanine green (ICG) is a cyanine dye used in medical diagnostics. It is used for determining cardiac output, hepatic function, and liver blood flow, and for ophthalmic angiography. ICG binds tightly to plasma proteins and becomes confined to the vascular system. Indocyanine Green is a…

  • BIEBRICH SCARLET, 100 g

    MP Biomedicals

    Biebrich Scarlet

  • Calcein

    MP Biomedicals

    Calcein is an indicator for the determination of calcium by titration with EDTA. The excitation wavelength and emission wavelength are 495/515 nm. It is suitable for fluorometric determination of calcium. It does not fluoresce in strong alkaline solution, but an intense fluorescence appears in the…

  • Safranine O

    MP Biomedicals

    Safranine O is a biological stain used in histology, cytology, bacteriology. It is a redox and adsorption indicator.

  • BROMOCRESOL GREEN, 5 g

    MP Biomedicals

    Bromocresol Green is a dye of the triphenylmethane family (triarylmethane dyes). It binds quantitatively with human albumin forming an intense blue-green complex with an absorbance maximum at 628 nm. Bromocresol Green is useful in a variety of colorimetric detection technologies. It is used as a…

  • Mycoplasma Stain Kit

    MP Biomedicals

    Mycoplasmas are small and simple parasitic prokaryotes that reside in the endosomes of mammalian cells and are widespread contaminants found in cell culture. They alone have been shown to alter the growth rate of cells in culture, induce chromosomal aberrations, influence amino acid and nucleic…

  • Toluidine Blue O

    MP Biomedicals

    Toluidine Blue O is a metachromatic dye suitable for a wide variety of histological staining procedures.

  • Propidium Iodine

    MP Biomedicals

    Propidium iodide reagent is used for the fluorescent staining of nucleic acids. Propidium iodide (PI) binds to DNA by intercalating between the bases with little or no sequence preference and with a stoichiometry of one dye per 4-5 base pairs of DNA. PI also binds to RNA, necessitating treatment…

  • Coomassie® Brilliant Blue R-250 is a fast acting, sensitive dye. Brilliant Blue R can be used for staining proteins on polyacrylamide electrophoresis gels. Improvement of sensitivity and background have been accomplished using Brilliant Blue dyes in a colloidal form. Other applications for…

  • 2,3,5-Triphenyltetrazolium Chloride is a redox indicator. In the TTC assay (also known as TTC test or tetrazolium test), TTC is used to differentiate between metabolically active and inactive tissues. The white compound is enzymatically reduced to red TPF (1,3,5-triphenylformazan) in living tissues…

  • Azomethine H is a reagent for the determination of boron in soil, plants, composts, manure, water and nutrient solutions.

  • p-Nitro Blue Tetrazolium Chloride is an NADPH-diaphorase substrate that competitively inhibits NOS (nitric oxide synthase) (IC50 = 3-4 μM). In combination with 5-Bromo-4-chloro-3-indolyl phosphate (BCIP) and an appropriate reaction buffer, Nitroblue tetrazolium forms a substrate for the…

  • Coomassie® Brilliant Blue G-250 is a useful dye for SDS gels as it readily stains proteins with minimal background color. Protein bands can be visualized during staining. Coomassie Brilliant Blue G-250 is a protein stain in electrophoresis. Brilliant Blue G has been used in the Bradford…

  • Brilliant Blue G (CBBG) is a member of the Coomassie dye family and is commonly used in analytical biochemistry to stain proteins in SDS-PAGE and BN-PAGE. The "G" in the name Brilliant Blue G refers to a blue dye with a greenish hue. The "R" in the name of Brilliant Blue R…

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