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Jodek propidyny 1 mg/ml water

Dostawca: Biotium

Synonim: 3,8-Diamino-5-[3-(diethylmethylammonio)propyl]-6-phenylphenanthridinium diiodide, PI, 3,8-Diamino-5-(3-(diethyl(methyl)ammonio)propyl)-6-phenylphenanthridin-5-ium iodide, 3,8-Diamino-5-(3-diethylaminopropyl)-6-phenylphenanthridinium iodide methiodide

40017
40017.EA 457 PLN
40017.
Jodek propidyny 1 mg/ml water
Jodek propidyny

Propidium iodide (PI) is a membrane-impermeant nucleic acid intercalator. The dye is commonly used to selectively stain dead cells in a cell population and also used as a counterstain in multicolor fluorescent imaging.


  • Orange/red liquid
  • Store at 4°C and protect from light
  • λEx/λEm (DNA-bound) = 535/617 nm
  • λEx/λEm (no DNA) = 493/636 nm


Propidium iodide (PI) is a cell impermeable nucleic acid intercalating dye. Because PI is excluded from viable cells, it can be used to distinguish necrotic or late apoptotic cells with damaged plasma membranes from viable cells or early apoptotic cells with intact cell membranes. 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. PI is also utilized as a counterstain in multicolor fluorescent imaging, but nuclear-specific staining requires digestion of cellular RNA.

Formuła: C₂₇H₃₄I₂N₄
MW: 668.4 g/mol
Temperatura przechowywania: Lodówka
Numer MDL: MFCD00011921
Numer CAS: 25535-16-4
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