Dulbecco's Modified Eagle Medium /Nutrient Mixture F12 Ham (DMEM/F12, 1:1mixture) was originally formulated for rat neuroblastoma cells and MDCK cells. DMEM/Nutrient Mixture F-12 Ham with trace elements. It does not contain HEPES buffer, Lglutamine and phenol red. Dulbecco's Modified Eagle Medium /Nutrient Mixture F12 Ham (DMEM/F12, 1:1mixture) was originally formulated for rat neuroblastoma cells and MDCK cells. The mixture is extremely nutritious and supports growth of a wide variety of cells including certain epithelial, endothelial and granulosa cells. AT147A is DMEM/Nutrient Mixture F-12 Ham with trace elements. It does not contain HEPES buffer, Lglutamine and phenol red.