Happy Cell ASM is a unique, low viscosity, low density, cell culture reagent that permanently suspends cells. It allows easy labeling, washing and dosing of cells. This product was developed for drug discovery and biomedical research. It has proven to support 3D growth in cancer, stem and primary cells, and allows for rapid tumor spheroid formation. Happy Cell ASM is suitable for high content imaging and automated liquid handling. This version of Happy Cell ASM is formulated in DMEM as a 4X concentrate.