Products & ReviewLife Sciences
ReadiDrop™ Propidium Iodide
Commonly used in flow cytometry experiments for excluding dead cells, the propidium iodide solution enters a compromised cell and binds to double-stranded DNA/RNA by intercalating between base pairs.

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Use ReadiDrop propidium iodide, a ready-to-use cell viability dye, for excluding dead cells in flow cytometry experiments. As a cell-impermeable assay, ReadiDrop propidium iodide enters a compromised cell and binds to double-stranded DNA/RNA by intercalating between base pairs.
Key Benefits of ReadiDrop Propidium Iodide Cell Viability Assay
- Ideal for cell sorting — fluorescent molecules are suspended in PBS without preservatives
- Stable at room temperature — keep a bottle of ReadiDrop propidium iodide cell viability assay by your cell sorter or cell analyzer for easy access
- No more weighing, pipetting, or diluting — ready-to-use solution to gives 1 µg/ml as the final concentration
Features of the ReadiDrop Propidium Iodide Cell Viability Dye
- Fluorophore Properties
- Excitation maximum: 538 nm
- Emission maximum: 617 nm
- Optimal excitation laser: 561 nm or 488 nm
- Molecular weight: 668.39 g/mol
- Molecular formula: C27H34I2N4
- Specifications
- Store at 15–30°C
- Do not freeze