
Keywords: Biological resource centre; Toxoplasma gondii; Tachyzoites; Cryopreservation; Flow cytometry; Cryoprotector; Me2SO; Foetal calf serum; BRC Toxoplasma; Biological Toxoplasma Resource Centre; Calcein-AM; calcein acetoxymethyl ester; CPA; cryoprotectant addi