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| Product Name | Propidium Iodide Staining Solution, 2 mg/mL |
| Catalog No. | RERE-0295 |
| Description | Concentrated propidium iodide stock at 2 mg/mL, the highest grade in this series, supplied in 1 mL aliquots. PI has a molecular weight of 668.40 and is a membrane-impermeant dye widely used in flow cytometric analysis of apoptosis and cell cycle distribution; because the compound is an irritant, handling precautions apply. As a stock solution it is diluted into the working concentration each protocol requires. Store at -20 °C protected from light for up to 12 months. |
| Intended Use | Stock reagent for flow cytometric apoptosis and cell cycle staining |
| Principle / Technology | PI intercalates with nucleic acids and fluoresces red once it enters membrane-compromised cells or is admitted after permeabilization |
| Specificity | 2 mg/mL stock; MW 668.40; 1 mL aliquots; 12 month shelf life |
| Reaction Conditions / Protocol | Dilute the stock to the working concentration, stain the cells under the protocol conditions and acquire red fluorescence on the flow cytometer |
| Storage Conditions | -20 °C, protected from light |
| Package Specifications | 1 mL |
| Key Features | High-concentration stock minimizes freeze-thaw exposure per experiment; flexible dilution for any workflow; 12 month shelf life |
For research use only, not for clinical use.
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