Propidium Iodide [25535-16-4]

Biotium

Propidium iodide

9

Flow Cytometry, Other Application

25535-16-4

Research Use Only

ghs08 systemic health hazards (person with star over chest),h341 suspected of causing genetic defects,Warning

Propidium iodide (PI) is a cell impermeable nucleic acid intercalating dye. Because PI is excluded from viable cells it can be used in apoptotic studies to distinguish necrotic cells or cells in the late stages of apoptosis from viable cells or cells in early apoptosis where cell membranes are still intact. PI is also utilized as a counterstain in multicolor fluorescent imaging. After entering cells and binding to DNA and RNA, the fluorescence of PI is enhanced 20- to 30-fold. PI can be used in flow cytometry and fluorescence microscopy. lambdaEx/lambdaEm (DNA-bound) = 535/617 nm lambdaEx/lambdaEm (no DNA) = 493/636 nm Orange red solid soluble in H2O or DMSO Store at 4°C and protect from light, especially in solution C27H34I2N4 MW: 668.4 [25535-16-4]

Synthetic

2°C to 8°C

41116134