Support & Resources

+1

Microbiology

An array of stains and assays for microbiological organisms such as bacteria, yeast and viruses.

For bacteria, we offer viability assays, fluorescent gram stain kits, and nucleic acid stains.

For yeast, find viability assays and other stains.

Learn more about viability PCR using PMAxx™ or PMA, a fast, quantitative method to measure viability of the organisms in your sample.

REFINE BY
Loading...

    Live-or-Dye™ Fixable Viability Staining Kits

    From: $66 Sizes: 50 assays, 200 assays, 250 assaysCatalog #: 32016, 32017, 32018-T, 32002-T, 32014-T, 32003-T, 32009-T, 32004-T, 32012-T, 32015-T, 32005-T, 32007-T, 32006-T, 32013-T, 32008-T, 32011-T, 32018, 32002, 32014, 32003, 32009, 32004, 32012, 32005, 32006, 32015, 32007, 32013, 32008, - 32011View allHide

    Kits to covalently label dead cells, allowing cells with permeable plasma membranes to be excluded from analysis in flow cytometry. A wide variety of dye options for standard flow, spectral flow, and fluorescence microscopy.

    Product
    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
    Catalog #
    price
    Qty
    50 assays
    200 assays
    250 assays
    Clear selection
    Add to wishlist
    ADD TO CART
    (Please select quantity above )

    Kits to covalently label dead cells, allowing cells with permeable plasma membranes to be excluded from analysis in flow cytometry. A wide variety of dye options for standard flow, spectral flow, and fluorescence microscopy.

     

    ViaFluor® SE Cell Proliferation Kits

    From: $53 Sizes: Trial size (1 vial), Set of 10 vialsCatalog #: 30068-T, 30068, 30086-T, 30086, - 30050View allHide

    Fixable cytoplasmic stains for monitoring cell division by flow cytometry. The dyes can also be used to track cell populations in co-culture.

    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.
    Size
    Catalog #
    price
    Qty
    Trial size (1 vial)
    Set of 10 vials
    Clear selection
    Add to wishlist
    ADD TO CART
    (Please select quantity above )

    Fixable cytoplasmic stains for monitoring cell division by flow cytometry. The dyes can also be used to track cell populations in co-culture.

     

    Bacterial Viability and Gram Stain Kit

    From: $226 Sizes: 200 assaysCatalog #: 32001

    A convenient assay for distinguishing between gram-negative and gram-positive, as well as live versus dead bacteria.

    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
    Catalog #
    price
    Qty
    200 assays
    Clear selection
    Add to wishlist
    ADD TO CART
    (Please select quantity above )

    A convenient assay for distinguishing between gram-negative and gram-positive, as well as live versus dead bacteria.

     

    Live Bacterial Gram Stain Kit

    From: $136 Sizes: 200 assays, 800 assaysCatalog #: 32000, - 32000-1View allHide

    A fluorescent staining kit for live cell gram staining in bacteria. Suitable for fluorescence microscopy and 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.
    Size
    Catalog #
    price
    Qty
    200 assays
    800 assays
    Clear selection
    Add to wishlist
    ADD TO CART
    (Please select quantity above )

    A fluorescent staining kit for live cell gram staining in bacteria. Suitable for fluorescence microscopy and flow cytometry.

     

    LysoView™ Dyes

    From: $42 Sizes: Trial size (10 uL), 50 uL, Trial size (1 vial), Set of 10 vialsCatalog #: 70086, 70086-T, 70085, 70085-T, 70084, 70084-T, 70083, 70083-T, 70058, 70059-T, 70059, 70061, 70061-T, 70058-T, 70067, 70067-T, 70066, - 70066-TView allHide

    LysoView™ fluorescent dyes label lysosomes in live cells without a wash step, and are available in multiple colors with options for super-resolution imaging.

    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.
    Size
    Catalog #
    price
    Qty
    Trial size (10 uL)
    50 uL
    Trial size (1 vial)
    Set of 10 vials
    Clear selection
    Add to wishlist
    ADD TO CART
    (Please select quantity above )

    LysoView™ fluorescent dyes label lysosomes in live cells without a wash step, and are available in multiple colors with options for super-resolution imaging.

     

    Viability/Cytotoxicity Assay Kit for Bacteria Live & Dead Cells

    From: $298 Sizes: 100-1000 assaysCatalog #: 30027

    This kit provides two-color fluorescence staining of both live bacteria (green) and dead bacteria (red) using two DNA dyes, DMAO and EthD-III.

    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
    Catalog #
    price
    Qty
    100-1000 assays
    Clear selection
    Add to wishlist
    ADD TO CART
    (Please select quantity above )

    This kit provides two-color fluorescence staining of both live bacteria (green) and dead bacteria (red) using two DNA dyes, DMAO and EthD-III.

     

    ViaVac™ Red/Green (FUN®1)

    From: $206 Sizes: 100 uLCatalog #: 29068

    A fluorescent vitality dye for yeast, identical in structure to the dye FUN® 1. Living yeast cells show red fluorescent vacuolar tubules.

    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
    Catalog #
    price
    Qty
    100 uL
    Clear selection
    Add to wishlist
    ADD TO CART
    (Please select quantity above )

    A fluorescent vitality dye for yeast, identical in structure to the dye FUN® 1. Living yeast cells show red fluorescent vacuolar tubules.

     

    Yeast Live-or-Dye™ Fixable Live/Dead Staining Kit

    From: $379 Sizes: 1,000 assaysCatalog #: 31064

    A fixable, fluorescent assay to determine yeast viability. Contains two fluorescent components, Thiazole Orange and Live-or-Dye™ 568/583.

    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
    Catalog #
    price
    Qty
    1,000 assays
    Clear selection
    Add to wishlist
    ADD TO CART
    (Please select quantity above )

    A fixable, fluorescent assay to determine yeast viability. Contains two fluorescent components, Thiazole Orange and Live-or-Dye™ 568/583.

     

    Yeast Viability Staining Kit

    From: $411 Sizes: 1,000 assaysCatalog #: 31063-1, 31063-2, - 31063-3View allHide

    A rapid and selective fluorescent assay to determine yeast viability in microscopy or flow cytometry applications. Contains two fluorescent components, CF® Dye-labeled Con A and Live-or-Dye™.

    Colors
    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
    Catalog #
    price
    Qty
    1,000 assays
    Clear selection
    Add to wishlist
    ADD TO CART
    (Please select quantity above )

    A rapid and selective fluorescent assay to determine yeast viability in microscopy or flow cytometry applications. Contains two fluorescent components, CF® Dye-labeled Con A and Live-or-Dye™.

     

    Yeast Vitality Staining Kit

    From: $226 Sizes: 1,000 assaysCatalog #: 31062

    A fluorogenic assay that allows you to determine whether your yeast cells are metabolically active. Contains two fluorescent components, Calcofluor White and ViaVac™ Red/Green.

    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
    Catalog #
    price
    Qty
    1,000 assays
    Clear selection
    Add to wishlist
    ADD TO CART
    (Please select quantity above )

    A fluorogenic assay that allows you to determine whether your yeast cells are metabolically active. Contains two fluorescent components, Calcofluor White and ViaVac™ Red/Green.

     

    Calcofluor White Stain, 5 mM in Water

    From: $58 Sizes: 20 mLCatalog #: 29067

    A fluorescent blue dye that binds to cellulose and chitin, which can be found in the cell walls of fungi, algae, and plants. In budding yeast Calcofluor White strongly stains bud scars.

    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
    Catalog #
    price
    Qty
    20 mL
    Clear selection
    Add to wishlist
    ADD TO CART
    (Please select quantity above )

    A fluorescent blue dye that binds to cellulose and chitin, which can be found in the cell walls of fungi, algae, and plants. In budding yeast Calcofluor White strongly stains bud scars.

     

    Concanavalin A (Con A) CF® Dye Conjugates

    From: $155 Sizes: 5 x 1 mgCatalog #: 29015, 29016, 29017, 29018, 29019, 29020, 29058, 29074, 29075, - 29080View allHide

    A lectin labeled with our superior fluorescent CF® dyes is an effective and widely used cell surface stain for yeast, fungi, and mammalian cells.

    Conjugation
    Don’t see what you’re looking for? Contact us for more conjugation options.
    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
    Catalog #
    price
    Qty
    5 x 1 mg
    Clear selection
    Add to wishlist
    ADD TO CART
    (Please select quantity above )

    A lectin labeled with our superior fluorescent CF® dyes is an effective and widely used cell surface stain for yeast, fungi, and mammalian cells.

     

    DMAO, 2 mM in DMSO

    From: $239 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.
    Size
    Catalog #
    price
    Qty
    1 mL
    Clear selection
    Add to wishlist
    ADD TO CART
    (Please select quantity above )

    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: $261 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.
    Size
    Catalog #
    price
    Qty
    1 mg
    Clear selection
    Add to wishlist
    ADD TO CART
    (Please select quantity above )

    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: $255 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.
    Size
    Catalog #
    price
    Qty
    200 uL
    Clear selection
    Add to wishlist
    ADD TO CART
    (Please select quantity above )

    A red fluorescent dead cell stain for bacteria and mammalian cells

     

    Light-on LysoView™ 555

    From: $43 Sizes: 10 uL, 50 uLCatalog #: 70060, - 70060-TView allHide

    Light-On LysoView™ 555 is a red fluorogenic lysosome dye with pH-dependent fluorescence. Light-On LysoView™ dye is unique among commercially available lysosomotropic dyes in that its fluorescence in cells is activated by exposure to UV excitation.

    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
    Catalog #
    price
    Qty
    10 uL
    50 uL
    Clear selection
    Add to wishlist
    ADD TO CART
    (Please select quantity above )

    Light-On LysoView™ 555 is a red fluorogenic lysosome dye with pH-dependent fluorescence. Light-On LysoView™ dye is unique among commercially available lysosomotropic dyes in that its fluorescence in cells is activated by exposure to UV excitation.