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Gelatin, from readily available sources, at specified concentrations in RPMI 1640 medium enhances sedimentation rates of suspensions of Plasmodium falciparum-infected erythrocytes from continuous cultures, resulting in an enrichment of the trophozoite- and schizont-infected cells to parasitemias of 75% or more with no deleterious effects to the parasites.
James B. Jensen (Wed,) studied this question.