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. Author manuscript; available in PMC: 2011 Nov 1.
Published in final edited form as: Biomaterials. 2010 Aug 4;31(31):7883–7891. doi: 10.1016/j.biomaterials.2010.07.013

Figure 2.

Figure 2

Summary of electrophysiological properties of astrocytes plated on PDL and silk-coated glass. A) The mean resting membrane potential (Vmem) recorded at a holding potential of -60 mV indicates that astroglial membrane voltage was not significantly different in the two experimental conditions. B) Histogram plot of cell capacitance suggests that cell surface areas were not different in the silk and PDL cells. C) Plot of the mean input resistance (Mohm) of cell types of the two conditions. D) Mean specific conductance in each cell type. No significant difference was observed between properties recorded in astrocytes grown on poly-D-lysine (black bar), and silk (gray bar) (n=10 for poly-D-Lysine seeded and n=19 for silk-seeded astrocytes, p>0.05, Independent t-test)