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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: Acta Biomater. 2009 May 4;5(8):2860–2871. doi: 10.1016/j.actbio.2009.04.012

Figure 3.

Figure 3

SEM micrographs of nanospheres a) PLGA-PLL 502H, b) PLGA 502H; and salt-leached sponges c) PLGA-PLL 503H, d) PLGA 503H. Scale bars a: 2 μm b: 1 μm, c/d: 500 μm.