ZAP-CHO Zap-CHO is a powerful chinese hamster ovary (CHO) cell culture media supplement created to improve CHO growth and productivity. Zap-CHO is animal-free and defined, making it regulatory-friendly and an ideal replacement for hydrolysates. Zap-CHO can replace fetal bovine serum (FBS) in many applications without a decrease in productivity. In biomanufacturing, Zap-CHO can reduce operating costs and capital investment. Zap-cho.com~Site InfoWhoisTrace RouteRBL Check