Primary cells refer to cells that are isolated or harvested directly from living tissue or organs. Alpha Lifetech Inc. offers other primary cells derived from a wide range of species including monkey, pig, dog, hamster and rabbit. They are suitable for use in a variety of in vitro cell-based assays, such as RT-PCR, Western Blot, Immunoprecipitation, Immunofluorescent Staining and Immunofluorescent Flow Cytometry.