Volume 90 Issue 3 | p. 31 | Concentrates
Issue Date: January 16, 2012

Nanoparticles Control Microcrystal Growth

Positively and negatively charged thiol-coated metal nanoparticles adsorb to crystal surfaces, regulating crystal size
Department: Science & Technology
News Channels: Materials SCENE
Keywords: crystallization, nanoparticles, microcrystals

Mixtures of oppositely charged nanoparticles can control the size and stability of microcrystals of inorganic salts or charged organic molecules, Northwestern University’s Bartosz A. Grzybowski and coworkers report (Nat. Mater., DOI: 10.1038/nmat3202). The researchers crystallized inorganic salts, such as K2SO4, Na2SO4, and CaCO3, and organic molecules, such as l-lysine and vitamin B-5, in a 50:50 solution of . . .

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