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Table 1 Enrichment of P. falciparum from in vitro cultures (comparison between Plasmion®, a gelatine solution, and magnetic columns)

From: Concentration and purification by magnetic separation of the erythrocytic stages of all human Plasmodium species

 

Parasitaemia (%)a

Strain

Initialc

Plasmion®

Magnetic columns

FcB1 (K+)b

2.2

14.8 (6.7)c

98 (44)

FcM29 (K-)

2.8 (Fig. A)

3.4 (1.2).

96 (34) (Fig. B)

F32 (K+)

3.1

13 (4.2)

91 (29)

W2 (K+)

2.1

11 (5.2)

94 (44)

  1. a: parasitaemia was evaluated by visual estimation and counting of at least 2,000 erythrocytes
  2. b: presence (K+) or absence (K-) of knobs on erythrocyte membrane
  3. c: in brackets, relative enrichment of the technique (parasitaemia after enrichment/initial parasitaemia)
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Malaria Journal

ISSN: 1475-2875

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