Terahertz Absorption Spectroscopy of a Liquid Using a Polarity Probe: A Case Study of Trehalose/Water Mixtures

The fluorescence relaxation of N‐methyl‐6‐quinolone was used to determine the frequency‐dependent permittivity of the molecular environment over a large spectral range (see picture), for example in trehalose–water solution. Local THz‐FIR spectroscopy can be realized by covalent attachment of the pro...

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Veröffentlicht in:	Angewandte Chemie (International ed.) 2010-01, Vol.49 (2), p.454-457
Hauptverfasser:	Sajadi, Mohsen, Ajaj, Yathrib, Ioffe, Ilya, Weingärtner, Hermann, Ernsting, Nikolaus P
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption Algorithms fluorescence Fluorescent Dyes Indicators and Reagents Protein Folding Quinaldines - chemistry Spectrometry, Fluorescence terahertz spectroscopy Terahertz Spectroscopy - methods time-resolved Stokes shift trehalose Trehalose - chemistry water Water - chemistry
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Beschreibung
Zusammenfassung:	The fluorescence relaxation of N‐methyl‐6‐quinolone was used to determine the frequency‐dependent permittivity of the molecular environment over a large spectral range (see picture), for example in trehalose–water solution. Local THz‐FIR spectroscopy can be realized by covalent attachment of the probe molecule to a supramolecular structure.
ISSN:	1433-7851 1521-3773
DOI:	10.1002/anie.200904997