Issue 4, 2015

Nanocrystal formation and polymorphism of glycine

Abstract

The surface of a crystal may play an important role in its physical and chemical properties. The percentage of molecules that are exposed on surfaces increases significantly as the crystal size decreases. However, the role of surface molecules and crystal size on the physiochemical properties of crystals is poorly understood. Here, using glycine as a model compound, nano-sized crystals were obtained by two different methods – nano spray drying and bi-functional self-assembled monolayers (SAMs). The surface structures of these nanocrystals were examined and the solubility was measured as a function of size for both the α-form and β-form. In addition, our results indicate that the solubility ratio of β-form/α-form changes as size decreases.

Graphical abstract: Nanocrystal formation and polymorphism of glycine

Supplementary files

Article information

Article type
Communication
Submitted
10 Jul 2014
Accepted
13 Nov 2014
First published
13 Nov 2014

CrystEngComm, 2015,17, 723-728

Author version available

Nanocrystal formation and polymorphism of glycine

X. Yang and A. S. Myerson, CrystEngComm, 2015, 17, 723 DOI: 10.1039/C4CE01429D

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