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Merged and higher magnification of Figure 2. Negative control (A,B). Naegleria fowleri trophozoites incubated with IC90 of STS for 24 h (C,D). Images (100×) show late apoptotic cells with intense blue and red fluorescence. Images are representative of the cell population observed in the performed experiments. Images were obtained using an EVOS FL Cell Imaging System AMF4300, Life Technologies, USA. Obtained results were similar for both N. fowleri type strains.
