Abstract

Well-faceted crystals of concanavalin A were obtained in two different morphologies. Prior to the crystallization, concanavalin A was homogeneously metallized with Mn 2+ and Ca 2+ cations. Using the metallized samples, we measured the solubility of a well-faceted crystal. The as-grown crystal was bounded by flat faces with high Miller indices. We measured the normal growth rate ( R) of these flat faces with respect to the supersaturation ( σ). The R– σ relation showed that the growth mode corresponded to two-dimensional nucleation growth of a birth and spread type.

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