Acridine Orange / Propidium Iodide (AO/PI) Cell Viability Kit 2x500ul (500 tests) for LUNA FL, LUNA FX7 Logos F23001 (LGBD10012)
$156.00
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Description
Acridine Orange/Propidium Iodide Stain is a cell viability dye that causes viable nucleated cells to fluoresce green and nonviable nucleated cells to fluoresce red. Acridine Orange/Propidium Iodide Stain can be used to assess cell viability with the automated fluorescence cell counters of the LUNA™ family.
Acridine orange permeates viable cells and binds to nucleic acids. Binding to dsDNA causes acridine orange to fluoresce green and binding to ssDNA or RNA causes it to fluoresce red. Propidium iodide binds to nucleic acids. Not being able to permeate intact cell membranes, propidium iodide is taken up by nonviable cells and cells with compromised membranes. Once bound to nucleic acids, its fluorescence increases 20-30 fold and causes the cell to fluoresce red. Due to Förster resonance energy transfer (FRET), the propidium iodide signal absorbs the acridine orange signal in nonviable cells, ensuring no double positive results.
Product Description
| Appearance | Orange-red liquid |
| Cell permeability | Membrane permeable (acridine orange) |
| Membrane impermeant (propidium iodide) | |
| Excitation/emission | 500/526nm (acridine orange) |
| 533/617nm (propidium iodide) | |
| Quantity | 2 x 0.5 mL |
| Storage | 4 °C in the dark |
| size | chest(in.) | waist(in.) | hips(in.) |
|---|---|---|---|
| XS | 34-36 | 27-29 | 34.5-36.5 |
| S | 36-38 | 29-31 | 36.5-38.5 |
| M | 38-40 | 31-33 | 38.5-40.5 |
| L | 40-42 | 33-36 | 40.5-43.5 |
| XL | 42-45 | 36-40 | 43.5-47.5 |
| XXL | 45-48 | 40-44 | 47.5-51.5 |
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