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Nuclear Stains & DNA/RNA Dyes

We offer a selection of nuclear stains for live, fixed, or dead cells in multiple colors. Visit our Cellular Stains Technology Page to learn more.

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    NucSpot® Live Cell Nuclear Stains

    Sizes: Trial size (10 uL), 50 uLCatalog #: 40082-T, 40082, 40081-T, - 40081View allHide

    No-wash, fluorescent DNA nuclear stains dyes with low toxicity for long-term live cell imaging or fixed cell staining. Choose green or far-red fluorescence.

    Dye
    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
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    Trial size (10 uL)
    50 uL
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    No-wash, fluorescent DNA nuclear stains dyes with low toxicity for long-term live cell imaging or fixed cell staining. Choose green or far-red fluorescence.

     

    NucSpot® 470 Nuclear Stain, 1000X in DMSO

    Sizes: 20 uL, 200 uLCatalog #: 40083-T, - 40083View allHide

    A cell membrane-impermeant, nuclear-specific green fluorescent DNA stain.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
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    20 uL
    200 uL
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    A cell membrane-impermeant, nuclear-specific green fluorescent DNA stain.

     

    RedDot™1 Far-Red Nuclear Stain, 200X in Water

    From: $54 Sizes: 25 uL, 250 uL, 1 mLCatalog #: 40060-T, 40060, - 40060-1View allHide

    A far-red live cell nuclear stain similar to Draq5™.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
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    25 uL
    250 uL
    1 mL
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    A far-red live cell nuclear stain similar to Draq5™.

     

    RedDot™2 Far-Red Nuclear Stain, 200X in DMSO

    From: $77 Sizes: 25 uL, 250 uL, 1 mLCatalog #: 40061, 40061-1, - 40061-TView allHide

    A far-red cell membrane-impermeant nuclear dye similar to Draq7™. Ideal for fixed cell nuclear counterstaining with minimal cytoplasmic RNA staining.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
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    25 uL
    250 uL
    1 mL
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    A far-red cell membrane-impermeant nuclear dye similar to Draq7™. Ideal for fixed cell nuclear counterstaining with minimal cytoplasmic RNA staining.

     

    DMAO, 2 mM in DMSO

    From: $228 Sizes: 1 mLCatalog #: 40012

    A membrane-permeable DNA dye, excellent for staining both gram positive and gram negative bacteria. Stained cells can be detected by fluorescence microscopy or flow cytometry.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
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    1 mL
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    A membrane-permeable DNA dye, excellent for staining both gram positive and gram negative bacteria. Stained cells can be detected by fluorescence microscopy or flow cytometry.

     

    Ethidium Homodimer III (EthD-III)

    From: $249 Sizes: 1 mgCatalog #: 40050

    A red fluorescent dead cell stain for bacteria and mammalian cells that is brighter than Ethidium Homodimer I.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
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    1 mg
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    A red fluorescent dead cell stain for bacteria and mammalian cells that is brighter than Ethidium Homodimer I.

     

    Ethidium Homodimer III (EthD-III), 1 mM in DMSO

    From: $243 Sizes: 200 uLCatalog #: 40051

    A red fluorescent dead cell stain for bacteria and mammalian cells

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
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    200 uL
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    A red fluorescent dead cell stain for bacteria and mammalian cells

     

    Oxazole Yellow, 1 mM in DMSO

    Sizes: 1 mLCatalog #: 40089

    Oxazole yellow, also know as YO-PRO-1, is a green-fluorescent, cell-impermeant nucleic acid stain that can be used as a early marker of apoptosis.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
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    1 mL
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    Oxazole yellow, also know as YO-PRO-1, is a green-fluorescent, cell-impermeant nucleic acid stain that can be used as a early marker of apoptosis.

     

    Thiazole Green, 10,000X in DMSO

    Sizes: 0.5 mL, 1 mLCatalog #: 40086-0.5mL, - 40086-1mLView allHide

    Thiazole Green, which is structurally identical to SYBR® Green I Nucleic Acid Gel Stain, is one of the most sensitive stains available for detecting double-stranded DNA (dsDNA) in agarose, polyacrylamide gels and qPCR.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
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    1 mL
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    Thiazole Green, which is structurally identical to SYBR® Green I Nucleic Acid Gel Stain, is one of the most sensitive stains available for detecting double-stranded DNA (dsDNA) in agarose, polyacrylamide gels and qPCR.

     

    Thiazole Orange Homodimer, 1 mM in DMSO

    Sizes: 200 uLCatalog #: 40079

    Thiazole orange homodimer (TOhD), also know as TOTO®-1, is a cell-impermeant, high-affinity, fluorogenic green nucleic acid stain.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
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    200 uL
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    Thiazole orange homodimer (TOhD), also know as TOTO®-1, is a cell-impermeant, high-affinity, fluorogenic green nucleic acid stain.

     

    Thiazole Orange, 10 mM in DMSO

    Sizes: 1 mLCatalog #: 40077

    Thiazole orange (TO) is commonly used in reticulocyte analysis to stain residual RNA of blood cells, to stain DNA in agarose gels and capillary electrophoresis. Thiazole Orange stains the yeast nucleus, and is also able to stain bacteria and mammalian cells.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
    Size
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    1 mL
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    Thiazole orange (TO) is commonly used in reticulocyte analysis to stain residual RNA of blood cells, to stain DNA in agarose gels and capillary electrophoresis. Thiazole Orange stains the yeast nucleus, and is also able to stain bacteria and mammalian cells.

     

    Thiazole Red Homodimer, 1mM in DMSO

    Sizes: 200 uLCatalog #: 40080

    Thiazole red homodimer (TRhD), also know as TOTO®-3, is a cell-impermeant, high-affinity, far-red fluorogenic nucleic acid stain.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
    Size
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    Qty
    200 uL
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    Thiazole red homodimer (TRhD), also know as TOTO®-3, is a cell-impermeant, high-affinity, far-red fluorogenic nucleic acid stain.

     

    Thiazole Red, 1mM in DMSO

    Sizes: 1 mLCatalog #: 40087

    Thiazole red, also known as TO-PRO®-3, is a cell-impermeant, high-affinity far-red nucleic acid stain.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
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    1 mL
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    Thiazole red, also known as TO-PRO®-3, is a cell-impermeant, high-affinity far-red nucleic acid stain.

     

    TO iodide (515/531), 1 mM in DMSO

    Sizes: 1 mLCatalog #: 40088

    TO iodide, also know as TO-PRO®-1, is a cell-impermeant, high-affinity carbocyanine monomeric nucleic acid stain that is essentially nonfluorescent in the absence of nucleic acids but exhibits green fluorescence when bound to nucleic acids.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
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    Qty
    1 mL
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    TO iodide, also know as TO-PRO®-1, is a cell-impermeant, high-affinity carbocyanine monomeric nucleic acid stain that is essentially nonfluorescent in the absence of nucleic acids but exhibits green fluorescence when bound to nucleic acids.

     

    DAPI

    Sizes: 10 mg, 10 mg (Dilactate), 1 mL (10 mg/mL)Catalog #: 40011, 40043, - 40009View allHide

    DAPI is a popular blue fluorescent DNA dye. The dye binds to the minor groove of dsDNA with approximately 20-fold fluorescence enhancement.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
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    10 mg
    10 mg (Dilactate)
    1 mL (10 mg/mL)
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    DAPI is a popular blue fluorescent DNA dye. The dye binds to the minor groove of dsDNA with approximately 20-fold fluorescence enhancement.

     

    Ethidium Homodimer I (EthD-I)

    Sizes: 1 mg, 0.5 mL (2 mM in DMSO)Catalog #: 40010, - 40014View allHide

    A high purity grade, red fluorescent nucleic acid dye for detecting nucleic acids in solution or for selectively staining dead cells with damaged plasma membranes.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
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    1 mg
    0.5 mL (2 mM in DMSO)
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    A high purity grade, red fluorescent nucleic acid dye for detecting nucleic acids in solution or for selectively staining dead cells with damaged plasma membranes.