Nucleus

Marker Gene Technologies, Inc. offers excellent counterstain fluorophores for DNA and chromatin, exhibiting large fluorescence enhancements upon binding to nucleic acids. These reagents are useful for imaging, flow cytometry and microplate analysis in cell counting, segmentation analysis, for automated imaging and many other applications with both fixed and live cells along with gel stains.

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  1. Methyl purple, sodium salt

    Methyl purple, sodium salt

    $98.80

    Redox indicator, purple to clear upon oxidation. Useful indicator of bacterial growth or plant redox mechanisms. Learn More
  2. N-(di-Methyl amino naphthyl)-N-(para carboxy phenyl) hydrazide

    N-(di-Methyl amino naphthyl)-N-(para carboxy phenyl) hydrazide

    $197.49

    Long wavelength azo dye is a useful reagent (similar to DABCYL-succinimidyl ester) for labeling proteins or peptides through their amino groups. Learn More
  3. N-(di-Methyl amino naphthyl)-N-(para carboxy phenyl) hydrazide, NHS ester

    N-(di-Methyl amino naphthyl)-N-(para carboxy phenyl) hydrazide, NHS ester

    $197.49

    Longer wavelength azo dye quencher is a useful reagent (similar to DABCYL-succinimidyl ester) for labeling proteins or peptides through their amino groups. Learn More
  4. Propidium iodide

    Propidium iodide

    $67.39

    Excellent counterstain for DNA and chromatin, providing a good contrast when used in combination with green-fluorescent antibodies, or substrates. Learn More
  5. Ethidium homodimer (EthD-1)

    Ethidium homodimer (EthD-1)

    $163.90

    High affinity fluorescent nucleic stain. It binds to both DNA and RNA in a sequence-independent manner and with a >30-fold fluorescence enhancement. Learn More
  6. Octyl β-D-1-thioglucopyranoside

    Octyl β-D-1-thioglucopyranoside

    $51.83

    Non-ionic detergent for purification of soluble proteins from cells, including bacteria, and for solubilization and reconstitution of membrane proteins. Learn More
  7. Dihydroethidium

    Dihydroethidium

    $95.50

    This reduced form of ethidine shows a blue fluorescence (absorption/emission: 355/420nm) in cell cytoplasm until oxidization to form ethidium which becomes red fluorescent (absorption/emission: 518/605 nm) upon DNA intercalation. Learn More
  8. Ethidium bromide

    Ethidium bromide

    $49.90

    Commonly used nucleic acid stain. Learn More

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