The Eco Pre-stained Protein Ladder is a three-colour protein standard with 9 pre-stained proteins covering a wide range of molecular weights from 15 – 180 kDa. Designed for monitoring protein separation during SDS-PAGE, verifying Western transfer efficiency on membranes, and for approximating the size of proteins. Proteins are covalently coupled with a blue chromophore except for four reference bands (two green bands at 15 kDa & 60 kDa and two red bands at 30 kDa & 70 kDa respectively) when separated on SDS-PAGE (Tris-glycine buﬀer).
- Stable for up to 2 weeks at 25°C.
- Stable for up to 3 months at 4°C.
- Stable for up to 24 months at -20°C.