Fig. 2

Representative images of Giemsa-stained hydrophilic-treated COC plates. A–C Representative microscopic images of Giemsa-stained parasite-infected RBCs on a hydrophilic-treated COC plate. Magnification A ×50, B ×200, C ×1000, oil immersion. Arrows indicate Plasmodium-infected cells. D–F Representative microscopic images of Giemsa-stained RBCs on hydrophilic-treated plates with water contact angles of D 38.6°, E 31.0°, and F 18.2°. G Representative microscopic image of Giemsa-stained RBCs on a glass slide. The sample was prepared using the protocol described in the legend to Fig. 5. The water contact angle of the glass slide was 7.8°