Primaria Treated Labware, Sterile, BD Biosciences- Ideal for growing a variety of primary cells and cell lines that grow poorly on conventional, negatively charged, standard tissue culture surfaces. These include tumor cells, endothelial cells, and hepatocytes. BD Primaria labware provides a unique alternative to traditional tissue culture treated surfaces. A permanent, stable modification of the polystyrene surface incorporates a mixture of anionic and cationic functional groups. Sterilized by gamma radiation; pyrogen-free.