Fig. 2
From: The establishment of a WHO Reference Reagent for anti-malaria (Plasmodium falciparum) human serum
Reference reagent 10/198 is stable at elevated temperature for 24 months and after reconstitution. a Relative potency measured by ELISA, compared to storage at −150 °C, after 24 months storage. b Relative potency measured by ELISA, compared to freshly reconstituted 10/198, after storage of reconstituted content for 3 months