Terahertz Spectroscopy of Histidine Enantiomers and Polymorphs
| Autor: | Charles A. Schmuttenmaer, Konstanze Schroeck, Alan B. True, Timothy A. French |
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| Rok vydání: | 2010 |
| Předmět: |
Radiation
Materials science Terahertz radiation Recrystallization (metallurgy) Condensed Matter Physics Terahertz spectroscopy and technology Crystallography Polymorphism (materials science) Metastability Orthorhombic crystal system Electrical and Electronic Engineering Enantiomer Instrumentation Monoclinic crystal system |
| Zdroj: | Journal of Infrared, Millimeter, and Terahertz Waves. 32:691-698 |
| ISSN: | 1866-6906 1866-6892 |
| DOI: | 10.1007/s10762-010-9645-9 |
| Popis: | We have measured terahertz and powder x-ray diffraction spectra of D-histidine, L-histidine, and DL-histidine. The as-received D and L material exists in two different polymorphs: D-histidine is in the metastable monoclinic form, while L-histidine is in the stable orthorhombic form. For both the L and D enantiomers, recrystallization of the as-received material results in a mixture of the monoclinic and orthorhombic forms. |
| Databáze: | OpenAIRE |
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