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Schematic representation of the evolution of the morphology of calcium oxalate crystals prepared in the presence of oligo(L-glutamic acid)s of different lengths, ranging from the monomer (Glu) to the eicosamer (Glu20). COD: calcium oxalate dihydrate; COT: calcium oxalate trihydrate. Reprinted with permission from [38]. Copyright 2010 American Chemical Society.
