04511
Live/Dead Cell Double Staining Kit
suitable for fluorescence
Synonyme(s) :
Staining kit for live/dead cells
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About This Item
Code UNSPSC :
12161503
Nomenclature NACRES :
NA.32
Produits recommandés
Application
The Live/Dead Cell Double Staining Kit is utilized for simultaneous fluorescence staining of viable and dead cells. This kit contains calcein-AM and propidium iodide (PI) solutions, which stain viable and dead cells, respectively. Calcein-AM, acetoxymethyl ester of calcein, is highly lipophilic and cell membrane permeable. Though calcein-AM itself is not a fluorescent molecule, the calcein generated from Calcein-AM by esterase in a viable cell emits a strong green fluorescence (λex 490 nm, λem 515 nm). Therefore, calcein-AM only stains viable cells. Alternatively, the nuclei staining dye PI cannot pass through a viable cell membrane. It reaches the nucleus by passing through disordered areas of dead cell membrane, and intercalates with the DNA double helix of the cell to emit red fluorescence (λex 535 nm, λem 617 nm). Since both calcein and PI-DNA can be excited with 490 nm light, simultaneous monitoring of viable and dead cells is possible with a fluorescence microscope. Using λex 545 nm, only dead cells can be observed.
Composants de kit seuls
Réf. du produit
Description
- Solution A (Calcein AM solution) 4 × 50
- Solution B (propidium iodide solution) 300 μL
Produit(s) apparenté(s)
Réf. du produit
Description
Tarif
Code de la classe de stockage
10 - Combustible liquids
Classe de danger pour l'eau (WGK)
WGK 2
Point d'éclair (°F)
185.0 °F - closed cup
Point d'éclair (°C)
85 °C - closed cup
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