Nonphotochemical, Laser-Induced Nucleation of Supersaturated Aqueous Glycine Produces Unexpected γ-Polymorph

Supersaturated aqueous solutions of glycine exposed to intense pulses of plane-polarized laser light at 1.06 μm unexpectedly crystallized into the polar γ-polymorph of glycine. Control solutions not exposed to the laser always produced crystals of α-glycine, the expected and most stable form. This r...

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Bibliographic Details
Published in:Crystal growth & design 2001-01, Vol.1 (1), p.5-8
Main Authors: Zaccaro, Julien, Matic, Jelena, Myerson, Allan S, Garetz, Bruce A
Format: Article
Language:English
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Summary:Supersaturated aqueous solutions of glycine exposed to intense pulses of plane-polarized laser light at 1.06 μm unexpectedly crystallized into the polar γ-polymorph of glycine. Control solutions not exposed to the laser always produced crystals of α-glycine, the expected and most stable form. This result suggests a new approach to polymorph control and possibly a means to produce new polymorphs.
ISSN:1528-7483
1528-7505
DOI:10.1021/cg0055171