Time (h) Diameter (μm) Cell number/spheroid Viability (%)
24 173 ± 16 1,110 ± 90 94.5 ± 0.7
48 168 ± 23 1,300 ± 90 93.3 ± 2.7
72 173 ± 21 1,170 ± 60 94.6 ± 0.8