Stains & Dyes

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  • Lucifer Yellow CH Dilithium Salt

    MP Biomedicals

    Lucifer Yellow CH is the hydrazine (-NH-CO-NH-NH2) form of the dye compared to Lucifer Yellow VS, which is the vinyl sulfone (-Ph-SO2-CH=CH2) form. It is a highly fluorescent dye useful in marking nerve cells. Lucifer yellow CH has been used to demonstrate electrical coupling between hamster…

  • 3-(4,5-Dimethylthiazolyl-2)-2,5-Diphenyl Tetrazolium Bromide

    MP Biomedicals

    3-(4,5-Dimethylthiazolyl-2)-2,5-Diphenyl Tetrazolium Bromide(MTT) is an histochemical/cytochemical reagent. It is converted to water-insoluble MTT-formazan of dark blue color by mitochondrial dehydrogenases of living cells, thus used for measurement of cell division. Thiazolyl Blue Tetrazolium…

  • 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…

  • Coomassie® Brilliant Blue G-250

    MP Biomedicals

    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…

  • a-Naphtholbenzein

    MP Biomedicals

    α-Naphtholbenzein is used as pH indicator (pH 0.0-0.8/ pH 8.2-10.0).

  • 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.…

  • Carbol Fuchsin

    MP Biomedicals

    Carbol Fuchsin is a mixture of basic fuchsin and phenol. Physical Description: Dark Green Powder Synonyms: Parafuchsine and Phenol CAS Number: 4197-24-4 EC Number : 224-086-6 MDL Number: MFCD00143923 Hazard Statements : H302-H314-H332-H341-H350-H373 …

  • p-Nitro Blue Tetrazolium Chloride

    MP Biomedicals

    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…

  • Indigo Carmine

    MP Biomedicals

    Indigo Carmine is a blue, anionic indigoid dye. Indigo Carmine is useful in the staining of Negri bodies. It can be used as a contrast stain for plasma when red nuclear stains are used.

  • Cobalt Chloride Hexahydrate

    MP Biomedicals

    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…

  • Alizarin Red S

    MP Biomedicals

    Alizarin red S is used in a biochemical assay to determine, quantitatively by colorimetry, the presence of calcific deposition by cells of an osteogenic lineage.

  • 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.

  • 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…

  • 2,3,5-Triphenyltetrazolium Chloride

    MP Biomedicals

    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…

  • Evans Blue

    MP Biomedicals

    Evans Blue is a potent inhibitor of L-glutamate uptake into synaptic vesicles via EAAT. Evans Blue also inhibits AMPA and kainate receptor-mediated currents (IC50 values are 220 and 150 nM respectively). The compound is also a P2X-selective purinoceptor antagonist. Evans Blue used in…

  • 3,3',5,5'-Tetramethylbenzidine Liquid Substrate

    MP Biomedicals

    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…

  • Ethidium Bromide Solution

    MP Biomedicals

    Ethidium bromide intercalates double-stranded DNA and RNA and acts as a frameshift mutagen. It can also be used in conjunction with acridine orange to differentiate between viable, apoptotic and necrotic cells. Ethidium bromide(EtBr) has been used extensively to reduce mitochondrial DNA copy…

  • Eosin Y Disodium Salt

    MP Biomedicals

    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…

  • 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…

  • Safranine O

    MP Biomedicals

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

  • Coomassie® Brilliant Blue G-250

    MP Biomedicals

    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…

  • Eosin Y Disodium Salt, 10% Solution

    MP Biomedicals

    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…

  • 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.

  • Calcein

    MP Biomedicals

    Calcein is used as an indicator for the determination of calcium by titration with EDTA. Suitable for fluorometric determination of calcium. Calcein does not fluoresce in strong alkaline solution, but an intense fluorescence appears in the presence of alkaline earths, especially calcium. The…

  • Orcinol Monohydrate

    MP Biomedicals

    Orcinol is used to prepare colorimetric reagents for the determination of RNA, DNA, hexoses and pentoses.

  • Ponceau S

    MP Biomedicals

    Ponceau S is used as protein stain for electrophoresis.

  • Primulin

    MP Biomedicals

    Primuline is a dye containing the benzothiazole ring system. The primulines are considered derivatives of dehydrothiotoluidine (aminobenzenyltoluylmercaptan). It is pale yellow in solution under visible light and is blue fluorescent under ultraviolet. Primulin is used in retrograde double…

  • p-Iodonitrotetrazolium Violet

    MP Biomedicals

    p-Iodonitrotetazolium Violet is used as a electron acceptor for the colorimetric assay of various dehydrogenases.

  • Hematoxylin Hydrate

    MP Biomedicals

    Hematoxylin is Gill’s Formulation 2; a nuclear counter stain of blue-violet color. It is extracted from the heartwood of the logwood tree. When oxidized it forms haematein, a compound that forms strongly coloured complexes with certain metal ions, the most notable ones being Fe(III) and…

  • Bromophenol Blue, ACS

    MP Biomedicals

    Bromophenol blue migrates at approximately the same rate as 300-500bp DNA in agarose gel and at the buffer front in protein polyacrylamide gels. Applications Bromophenol blue is a tracking dye for alkaline and neutral buffer systems. It is used as a tracking dye in DNA, RNA (agarose) and…

  • Sudan IV

    MP Biomedicals

    Sudan IV has been used industrially to color oils, waxes, shoe polish, greases, oily-resin lacquers, varnishes, cellulose acetate and acrylic resins, and in wood stains. As a biological stain, it is used primarily to stain lipids and fatty substances present in cells and tissues. The color imparted…

  • 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…

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