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. Author manuscript; available in PMC: 2011 Apr 15.
Published in final edited form as: J Colloid Interface Sci. 2010 Jan 18;344(2):298–307. doi: 10.1016/j.jcis.2010.01.021

Figure 1.

Figure 1

Charged polystyrene colloidal particles are dialyzed. Non ionic monomers are added. The system electrostatically self assembles into an fcc CCA which is UV-photopolymerized to fabricate a PCCA. A TEOS precursor is infiltrated into the hydrogel network and silica is condensed within the PCCA. The newly formed siPCCA is then heat treated to remove solvent and organic polymer forming the inverted structure.