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. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: Biomaterials. 2011 Feb 21;32(14):3611–3619. doi: 10.1016/j.biomaterials.2011.01.040

Figure 4.

Figure 4

Flow cytometry corroborates the results presented in Figure 3a; F(4,1), a pattern with small interfeature spacing (1 μm), supported 25% higher transfection efficiency than smooth PDMS and F(1,4), a substrate with large interfeature spacing (4 μm).