Figure 2From: Magnetic isolation of Plasmodium falciparum schizonts iRBCs to generate a high parasitaemia and synchronized in vitro cultureEstablishment of the haematocrit to obtain the highest invasion rate after magnetic columns purification. Plasmodium falciparum iRBCs isolated with magnetic column were adjusted to 10% parasitaemia at different haematocrits (0.2, 0.4, 0.6, 0.8, 1 and 2). Plasmodium falciparum cultures were harvested after 18 and 42 hours to determine the parasitaemia reached in each condition. A. Giemsa-staining smears from cultures purified by magnetic purification and allowed to reinvade new uRBCs. B. Parasitaemia achieved at different haematocrits tested, estimated from blood smears (n = 3). C. Invasion rate calculated accounting the parasitaemia obtained after 18 hours (final parasitaemia) and the initial parasitaemia of the P. falciparum culture (10%) (final parasitaemia/initial parasitaemia). This rate indicates the capability of the parasites to invade new RBCs.Back to article page