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. Author manuscript; available in PMC: 2018 Mar 15.
Published in final edited form as: Acta Biomater. 2017 Jan 10;51:495–504. doi: 10.1016/j.actbio.2017.01.029

Figure 2. Human cardiac spheroids with controlled size and functional analysis.

Figure 2

(A) Bright field images of spheroids with different cell number (0.5k, 1k, 3k, 7k) per spheroid. (B) Averaged radius of spheroid based on statistics (n=14). (C) Average fractional area change from Day 1 to Day 7 of each group (n=7). NC – without e-SiNWs; WCD – with e-SiNWs. Scale bars: (A) = 100 μm. Asterisks (*) represent statistical significance with p<0.05; error bars represent standard deviation.