Recent developments in production and purification of malaria antigens: Isolation of stages of the human parasite Plasmodium falciparum from culture and from animal blood

Abstract

Procedures for isolation of various forms of the asexual erythrocytic stages of the human parasite Plasmodium falciparum are outlined. The procedures employ the plasma expander Physiogel, which is composed of a chemically modified, partially hydrolysed gelatin dissolved in Ringer's lactate. Based on the observation that parasitized cells which are easily separable by this technique differ appreciably at the ultrastructural level, a mechanism by which separation occurs is proposed.

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