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Microbiology

Showing 1–20 of 47 results

    “Light-on” LysoView 555

    From: $40 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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    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.

     

    Acridine Orange, 10 mg/mL in water (high purity) (AO)

    Sizes: 10 mLCatalog #: 40039

    Acridine orange (AO) stains dsDNA green (525 nm) and RNA or single stranded DNA red (650 nm).The dye is membrane-permeant and its nucleic acid binding property has been used for cell-cycle studies.

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    Acridine orange (AO) stains dsDNA green (525 nm) and RNA or single stranded DNA red (650 nm).The dye is membrane-permeant and its nucleic acid binding property has been used for cell-cycle studies.

     

    Bacterial Viability and Gram Stain Kit

    From: $210 Sizes: 1 kitCatalog #: 32001

    The Bacterial Viability and Gram Stain Kit contains three components: CF™488A-WGA, DAPI, and EthD-III solutions for distinguishing between gram-negative and gram-positive, as well as live versus dead bacteria. Fluorescently labeled wheat germ agglutinin binds specifically to the N-acetylglucosamine of the peptidoglycan layer of gram-positive bacteria1.

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    The Bacterial Viability and Gram Stain Kit contains three components: CF™488A-WGA, DAPI, and EthD-III solutions for distinguishing between gram-negative and gram-positive, as well as live versus dead bacteria. Fluorescently labeled wheat germ agglutinin binds specifically to the N-acetylglucosamine of the peptidoglycan layer of gram-positive bacteria1.

     

    Calcofluor White Stain, 5 mM in water

    From: $50 Sizes: 20 mLCatalog #: 29067

    Calcofluor White is 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 stains bud scars more strongly, because they have a higher concentration of chitin.

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    Calcofluor White is 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 stains bud scars more strongly, because they have a higher concentration of chitin.

     

    Concanavalin A (Con A) CF Dye Conjugates

    From: $137 Sizes: 5 x 1 mgCatalog #: 29015, 29016, 29017, 29018, 29019, 29020, 29058, 29074, - 29075View allHide

    This product is concanavalin A (Con A) labeled with our superior fluorescent CF™ dye. Con A is a widely used lectin that selectively binds to a-mannopyranosyl and a-glucopyranosy residues, found in the cell wall of yeast and fungi, and the cell membrane of mammalian cells.

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    This product is concanavalin A (Con A) labeled with our superior fluorescent CF™ dye. Con A is a widely used lectin that selectively binds to a-mannopyranosyl and a-glucopyranosy residues, found in the cell wall of yeast and fungi, and the cell membrane of mammalian cells.

     

    DAPI

    From: $72 Sizes: 10 mgCatalog #: 40011

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

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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.

     

    DAPI in H2O, 10 mg/mL

    From: $76 Sizes: 1 mLCatalog #: 40043

    DAPI is a popular blue fluorescent DNA dye. Because of the potential toxicity of DAPI, we offer DAPI dilactate dissolved in H2O as a safer alternative to weighing out the powdery form.

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    DAPI is a popular blue fluorescent DNA dye. Because of the potential toxicity of DAPI, we offer DAPI dilactate dissolved in H2O as a safer alternative to weighing out the powdery form.

     

    DAPI, dilactate

    Sizes: 10 mgCatalog #: 40009

    DAPI dilactate is essentially the same as DAPI dihydrochloride (catalog no. 40011) but with a different counterion.

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    DAPI dilactate is essentially the same as DAPI dihydrochloride (catalog no. 40011) but with a different counterion.

     

    DMAO, 2 mM in DMSO

    From: $221 Sizes: 1 mLCatalog #: 40012

    DMAO is a green-fluorescent nucleic acid dye which stains both live and dead bacteria with intact or damaged cell membranes.

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    DMAO is a green-fluorescent nucleic acid dye which stains both live and dead bacteria with intact or damaged cell membranes.

     

    Ethidium bromide, 10 mg/mL in H2O

    Sizes: 10 mLCatalog #: 40042

    Ethidium bromide (EB) is a widely used nucleic acid gel stain although it is also a known potent mutagen. EB is an intercalating DNA-binding dye with little sequence preference.

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    Ethidium bromide (EB) is a widely used nucleic acid gel stain although it is also a known potent mutagen. EB is an intercalating DNA-binding dye with little sequence preference.

     

    Ethidium Homodimer I (EthD-1; EtDi)

    From: $173 Sizes: 1 mgCatalog #: 40010

    Ethidium Homodimer, first developed by Dr. Le Pecq and his colleagues, is a high affinity fluorescent nucleic acid stain.

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    Ethidium Homodimer, first developed by Dr. Le Pecq and his colleagues, is a high affinity fluorescent nucleic acid stain.

     

    Ethidium homodimer III (EthD-III)

    From: $242 Sizes: 1 mgCatalog #: 40050

    Ethidium Homodimer III was developed by Biotium as an alternative to Ethidium Homodimer I. It has absorption and emission spectra similar to those of Ethidium Homodimer I, but stains DNA 70% brighter.

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    Ethidium Homodimer III was developed by Biotium as an alternative to Ethidium Homodimer I. It has absorption and emission spectra similar to those of Ethidium Homodimer I, but stains DNA 70% brighter.

     

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

    From: $236 Sizes: 200 uLCatalog #: 40051

    Ethidium Homodimer III was developed by Biotium as an alternative to Ethidium Homodimer I. It has absorption and emission spectra similar to those of Ethidium Homodimer I, but stains DNA 70% brighter.

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    200 uL
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    Ethidium Homodimer III was developed by Biotium as an alternative to Ethidium Homodimer I. It has absorption and emission spectra similar to those of Ethidium Homodimer I, but stains DNA 70% brighter.

     

    Ethidium monoazide, bromide (EMA)

    From: $137 Sizes: 5 mgCatalog #: 40015

    Ethidium monoazide bromide is a fluorescent nucleic acid binding dye. The dye, after photolysis, binds covalently to nucleic acids. It can be used for viability PCR.

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    Ethidium monoazide bromide is a fluorescent nucleic acid binding dye. The dye, after photolysis, binds covalently to nucleic acids. It can be used for viability PCR.

     

    Hoechst 33258, 10 mg/mL in H2O

    Sizes: 10 mLCatalog #: 40044

    For ease of use and safer handling, we offer both Hoechst 33258 and Hoechst 33342 dissolved in H2O at 10 mg/mL. Hoechst dyes are cell membrane-permeant, minor groove binding blue fluorescent DNA stains.

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    For ease of use and safer handling, we offer both Hoechst 33258 and Hoechst 33342 dissolved in H2O at 10 mg/mL. Hoechst dyes are cell membrane-permeant, minor groove binding blue fluorescent DNA stains.

     

    Hoechst 33258, pentahydrate

    From: $136 Sizes: 100 mgCatalog #: 40045

    Hoechst dyes are cell membrane-permeant, minor groove-binding blue fluorescent DNA stains. Hoechst dyes are widely used in cell cycle and apoptosis studies and also as nuclear counterstains.

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    100 mg
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    Hoechst dyes are cell membrane-permeant, minor groove-binding blue fluorescent DNA stains. Hoechst dyes are widely used in cell cycle and apoptosis studies and also as nuclear counterstains.

     

    Hoechst 33342, 10 mg/mL in H2O

    Sizes: 10 mLCatalog #: 40046

    For ease of use and safer handling, we offer both Hoechst 33258 and Hoechst 33342 dissolved in H2O at 10 mg/mL. Hoechst dyes are cell membrane-permeant, minor groove-binding blue fluorescent DNA stains.

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    10 mL
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    For ease of use and safer handling, we offer both Hoechst 33258 and Hoechst 33342 dissolved in H2O at 10 mg/mL. Hoechst dyes are cell membrane-permeant, minor groove-binding blue fluorescent DNA stains.

     

    Hoechst 33342, trihydrochloride trihydrate

    Sizes: 100 mgCatalog #: 40047

    Hoechst dyes are cell membrane-permeant, minor groove-binding blue fluorescent DNA stains. Hoechst dyes are widely used in cell cycle and apoptosis studies and also as nuclear counterstains.

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    100 mg
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    Hoechst dyes are cell membrane-permeant, minor groove-binding blue fluorescent DNA stains. Hoechst dyes are widely used in cell cycle and apoptosis studies and also as nuclear counterstains.

     

    Live Bacterial Gram Stain Kit

    From: $126 Sizes: 200 assays, 800 assaysCatalog #: 32000, - 32000-1View allHide

    Wheat germ agglutinin binds specifically to N-acetylglucosamine in the peptidoglycan layer of gram-positive bacteria. The Live Bacterial Gram Stain Kit contains wheat germ agglutinin (WGA) conjugated to CF™594 to stain the surface of gram-positive cells with red fluorescence.

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    Wheat germ agglutinin binds specifically to N-acetylglucosamine in the peptidoglycan layer of gram-positive bacteria. The Live Bacterial Gram Stain Kit contains wheat germ agglutinin (WGA) conjugated to CF™594 to stain the surface of gram-positive cells with red fluorescence.

     

    Live-or-Dye Fixable Viability Staining Kits

    From: $63 Sizes: 50 assays, 200 assaysCatalog #: 32002, 32008-T, 32007-T, 32006-T, 32005-T, 32004-T, 32003-T, 32002-T, 32009, 32008, 32007, 32006, 32005, 32004, 32003, - 32009-TView allHide

    Live-or-Dye™ Fixable Viability Staining Kits are designed for discrimination between live and dead cells during flow cytometry. Live/dead stains are useful probes to include when analyzing cell surface protein expression by flow cytometry, because they allow intracellular fluorescence signal from dead cells with permeable plasma membranes to be excluded from analysis.

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    Live-or-Dye™ Fixable Viability Staining Kits are designed for discrimination between live and dead cells during flow cytometry. Live/dead stains are useful probes to include when analyzing cell surface protein expression by flow cytometry, because they allow intracellular fluorescence signal from dead cells with permeable plasma membranes to be excluded from analysis.