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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.

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    Live-or-Dye™ Fixable Viability Staining Kits

    From: $67 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.

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    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

    ViaFluor® SE Cell Proliferation Kits

    From: $55 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.

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

     
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    Bacterial Viability and Gram Stain Kit

    From: $236 Sizes: 200 assaysCatalog #: 32001

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

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

     
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    Live Bacterial Gram Stain Kit

    From: $142 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.

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

     
    Product

    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.

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    Trial size (10 uL)
    50 uL
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    LysoView™ fluorescent dyes label lysosomes in live cells without a wash step, and are available in multiple colors with options for super-resolution imaging.

     
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    Viability/Cytotoxicity Assay Kit for Bacteria Live & Dead Cells

    From: $311 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.

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    100-1000 assays
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    This kit provides two-color fluorescence staining of both live bacteria (green) and dead bacteria (red) using two DNA dyes, DMAO and EthD-III.

     
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    ViaVac™ Red/Green (FUN®1)

    From: $215 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.

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

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

    From: $396 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.

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    1,000 assays
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    A fixable, fluorescent assay to determine yeast viability. Contains two fluorescent components, Thiazole Orange and Live-or-Dye™ 568/583.

     
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    Yeast Viability Staining Kit

    From: $429 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™.

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    1,000 assays
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    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™.

     
    Product

    Yeast Vitality Staining Kit

    From: $236 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.

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    1,000 assays
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    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.

     
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    Calcofluor White Stain, 5 mM in Water

    From: $61 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.

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    20 mL
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    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.

     
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    Concanavalin A (Con A) CF® Dye Conjugates

    From: $171 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.
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    5 x 1 mg
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    A lectin labeled with our superior fluorescent CF® dyes is an effective and widely used cell surface stain for yeast, fungi, and mammalian cells.

     
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    DMAO, 2 mM in DMSO

    From: $250 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.

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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.

     
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    Ethidium Homodimer III (EthD-III)

    From: $287 Sizes: 1 mgCatalog #: 40050

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

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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.

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

    From: $281 Sizes: 200 uLCatalog #: 40051

    A red fluorescent dead cell stain for bacteria and mammalian cells

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    200 uL
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    A red fluorescent dead cell stain for bacteria and mammalian cells

     
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    Light-on LysoView™ 555

    From: $45 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.

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    50 uL
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    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.