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. Author manuscript; available in PMC: 2014 Oct 8.
Published in final edited form as: Adv Mater. 2013 Jul 4;25(38):5477–5482. doi: 10.1002/adma.201302219

Figure 2.

Figure 2

Aligned growth and extension of axons from differentiated hNSCs and compass plots showing the variation in the angle of orientation and the lengths of the axons. a) Differentiated hNSCs are immunostained with TuJ1 (red). The axons show no alignment on glass and SiNPs, whereas the axons are significantly aligned on GO and SiNP-GO. Scale bar: 10 μ m b) The compass plots show a large variation in the angle of orientation of axons on glass (±42°) and SiNPs (±46.11°) and minimal variation on GO (±17.8°) and SiNP-GO (±9.16°). The compass plot also shows that axons extending on SiNP and SiNP-GO are longer than those extending on glass and GO.