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Publication Citation: Terahertz spectroscopy of aqueous L-Proline in reverse micelles

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Author(s): Catherine C. Cooksey; Edwin J. Heilweil; Benjamin Greer;
Title: Terahertz spectroscopy of aqueous L-Proline in reverse micelles
Published: November 21, 2008
Abstract: A new method for obtaining room temperature terahertz (THz) absorption spectra of aqueous-phase biomolecules in the frequency range 1 THz to 21 THz (35 cm-1 to 700 cm-1) is reported. The spectrum for L-Proline was acquired by solvating the amino acid within the nanometer-sized interior water pool of reverse micelles dispersed in transparent n-heptane. Terahertz spectra of H2O, D2O, and the effect of L-Proline concentration and micelle size are discussed. The results compared to spectra of solid-phase L-Proline and Gaussian calculations.
Citation: Chemical Physics Letters
Volume: 467
Pages: pp. 424 - 429
Keywords: far infrared, proline, reverse micelles, terahertz, water spectrum
Research Areas: Biological Physics, Terahertz Metrology
PDF version: PDF Document Click here to retrieve PDF version of paper (518KB)