Figure 2From: Cytotoxicity Effects of Different Surfactant Molecules Conjugated to Carbon Nanotubes on Human Astrocytoma CellsPhase contrast images of a time-course of morphological events observed in astrocytoma cells after exposure to 0.5 mg/mL CNT/SDS conjugate solutions fora 0 min;b 2 min;c 5 min;d 10 min;e 25 min; andf 75 min. All images were acquired at 100× magnification.Scale bar: 200 μmBack to article page