DNA / RNA / Protein Dyes

20 Item(s)

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  1. XTT

    XTT

    Starting at: €162.00

    Useful in in vitro cell growth assays with possible applicability to a variety of problems in cellular pharmacology and biology.

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  2. 4’,6-Diamidino-2-phenylindole dihydrochloride (DAPI)

    4’,6-Diamidino-2-phenylindole dihydrochloride (DAPI)

    Starting at: €103.00

    A cationic fluorescent dye which specifically binds to adenine-thymine-rich DNA. Applications include detection of nanogram quantities of DNA in cellular homogenates, and cytofluorometric determination of the DNA base content in human chromosomes. Available in bulk quantities for OEM users at significant savings.

    λ max 342nm

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  3. Filipin (from Streptomyces filipinensis)

    Filipin (from Streptomyces filipinensis)

    Starting at: €566.00

    Polyene antibiotic fluorochrome for cholesterol determination. Used as an antifungal agent.

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  4. 5-Cyano-2,3-di-(p-tolyl)tetrazolium chloride (CTC)

    5-Cyano-2,3-di-(p-tolyl)tetrazolium chloride (CTC)

    Starting at: €97.00

    Cyanoditolyl tetrazolium chloride has been used to measure the redox activity of tumor cells. It has also been employed for direct epifluorescent microscopic enumeration of respiring bacteria in food samples and environmental samples, especially water samples.

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  5. Cibacron Blue 3GA, Affinity Chromatography Grade

    Cibacron Blue 3GA, Affinity Chromatography Grade

    Starting at: €105.00

    Sulfonated triazine dye that can be immobilized on a support matrix and used for affinity chromatography of proteins. Also used for probing nucleotide binding sites in proteins. (Reactive blue 2)

    1H NMR and mass spectrometry data are consistent with the structure shown.

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  6. Fast Blue (FB)

    Fast Blue (FB)

    Starting at: €283.00

    Fast blue fluorescent tracer used in studies of peripheral nervous system to determine the number & origin of neurons projecting to specific area 

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  7. DAB-4HCl (3-3’-Diaminobenzidine tetrahydrochloride) 30ML Vials

    DAB-4HCl (3-3’-Diaminobenzidine tetrahydrochloride) 30ML Vials

    Starting at: €97.00

    Chromogen of choice for immunoperoxidase techniques. The brown reaction product is highly insoluble, and will not diffuse from the site of localization. The color does not fade, and therefore, slides can be saved as a permanent record. The reaction product also chelates with osmium tetroxide and becomes electron dense for use in electron microscopy.

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  8. Hydroethidine™ (Dihydroethidium bromide)

    Hydroethidine™ (Dihydroethidium bromide)

    Starting at: €195.00

    Reduced ethidium bromide. A vital stain. Enters and stains living cells without cellular trauma.

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  9. 2’,7’-Dichlorofluorescein

    2’,7’-Dichlorofluorescein

    Starting at: €209.00

    0.2% Solution in ethanol can be used for the detection of saturated and unsaturated lipids.

    λ max 509nm

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  10. Lissamine Rhodamine B sulfonyl chloride, ~99%

    Lissamine Rhodamine B sulfonyl chloride, ~99%

    Starting at: €301.00

    Fluorescent protein stain with bright orange fluorescence. Used to visualize actin filaments in living amoebas. Useful for waste water testing and various microbiological applications.

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  11. Osmium ammine-B

    Osmium ammine-B

    Starting at: €302.00

    Stable DNA stain.

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  12. Calcein, 2,4-Bis(N,N’-di[carboxymethyl]aminomethyl) fluorescein

    Calcein, 2,4-Bis(N,N’-di[carboxymethyl]aminomethyl) fluorescein

    Starting at: €71.00

    Fluorescent bone stain. Also used for determination of serum magnesium.

    DCAF

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  13. Bisbenzimide (Hoechst 33258)

    Bisbenzimide (Hoechst 33258)

    Starting at: €98.00

    Fluorescent chromosome stain. Recommended use is 10mg/ml for 2-10 minutes. This will vary based on section thickness.

    (2’-[4-Hydroxyphenyl]-5-[4-methyl-1-piperazinyl]-2,5’-bi-1H-benzimidazole trihydrochloride pentahydrate; Hoechst 33258)

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  14. Propidium iodide

    Propidium iodide

    Starting at: €446.00

    Fluorescent marker.

    λ max: 493nm

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  15. Ethidium bromide

    Ethidium bromide

    Starting at: €291.00

    Intercalates double-stranded nucleic acids; frameshift mutagen; fluorescent stain for nucleic acids in electrophoresis; used for DNA quantitation.

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  16. 2% Acridine Orange, Ready-to-Use

    2% Acridine Orange, Ready-to-Use

    Starting at: €83.00

    DNA intercalating dye. A grade of acridine orange of exceptionally high purity, suitable for quantitative work. Learn More

  17. Toluidine blue O, C.I. 52040, certified

    Toluidine blue O, C.I. 52040, certified

    Starting at: €121.00

    A metachromatic, cationic thiazine dye that is widely used in in vitro biological applications. It has also been used in techniques for DNAase detection.

    λmax 626nm

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  18. Toluidine blue O, C.I. 52040, purified

    Toluidine blue O, C.I. 52040, purified

    Starting at: €123.00

    Useful for staining RNA, oligodeoxynucleotides, proteins and glycosaminoglycans.

    λ max 626nm.

    Assay >60% anhydrous dye.

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  19. Fluorescein diacetate

    Fluorescein diacetate

    Starting at: €108.00

    Lipase substrate. Also a fluorescent substrate in studies on membrane permeability and intracellular interactions.

    λ max: 498nm

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  20. Acridine mutagen ICR 191

    Acridine mutagen ICR 191

    Starting at: €334.00

    Frameshift mutagenic standard for Ames test in Salmonella and E. Coli.

    ([6-Chloro-9-(3-[2-chloroethylamino]propylamino)-2-methoxyacridine] dihydrochloride; ICR 191 Acridine mutagen; Ames mutagen 191)

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