Minimum Essential Medium (MEM) α is widely used for mammalian cell culture as well as selection for transfected DHFR negative cells. MEM α can be used with a variety of suspension and adherent mammalian cells, including keratinocytes, primary rat astrocytes, and human melanoma cells. Life Technologies offers a variety of Gibco® MEM α modifications for a range of cell culture applications. Find the right formulation using the media selector tool.