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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Biomaterials. 2011 Jul 26;32(31):7774–7784. doi: 10.1016/j.biomaterials.2011.06.075

Fig. 8.

Fig. 8

Confocal images of A) unannealed (e-PEI/Alg)50 in PBS B) (e-PEI/Alg)50 after salt annealing in PBS containing 1.5M NaCl C) (e-PEI/Alg)50 after two-step annealing in PBS, e-PEI (red), Alg (green).