Molecules 2011, 16(5), 3636-3647; https://doi.org/10.3390/molecules16053636
Chiroptical Measurement of Chiral Aggregates at Liquid-Liquid Interface in Centrifugal Liquid Membrane Cell by Mueller Matrix and Conventional Circular Dichroism Methods
1
Department of Chemistry, Graduate School of Science, Osaka University. 1-1 Machikaneyama-machi, Toyonaka, Osaka, 560-0043, Japan
2
Department of Chemistry, New York University, 31 Washington Place, Brown Building, 6th floor, New York, NY 1003, USA
3
Department of Organic Chemistry, Institute of Cosmos Science, University of Barcelona. Martà i Franquès 1, 08028 Barcelona, Catalonia, Spain
4
Institute for NanoScience Design, Osaka University, 1-3 Machikaneyama-machi, Toyonaka, Osaka 560-8531, Japan
*
Author to whom correspondence should be addressed.
Received: 21 March 2011 / Revised: 18 April 2011 / Accepted: 19 April 2011 / Published: 29 April 2011
(This article belongs to the Special Issue Chiroptical Techniques)
Abstract
The centrifugal liquid membrane (CLM) cell has been utilized for chiroptical studies of liquid-liquid interfaces with a conventional circular dichroism (CD) spectropolarimeter. These studies required the characterization of optical properties of the rotating cylindrical CLM glass cell, which was used under the high speed rotation. In the present study, we have measured the circular and linear dichroism (CD and LD) spectra and the circular and linear birefringence (CB and LB) spectra of the CLM cell itself as well as those of porphyrine aggregates formed at the liquid-liquid interface in the CLM cell, applying Mueller matrix measurement method. From the results, it was confirmed that the CLM-CD spectra of the interfacial porphyrin aggregates observed by a conventional CD spectropolarimeter should be correct irrespective of LD and LB signals in the CLM cell. View Full-TextKeywords:
Mueller matrix; liquid-liquid interface; chirality; circular dichroism; linear dichroism; circular birefringence; linear birefringence; porphyrin; aggregation
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Takechi, H.; Arteaga, O.; Ribo, J.M.; Watarai, H. Chiroptical Measurement of Chiral Aggregates at Liquid-Liquid Interface in Centrifugal Liquid Membrane Cell by Mueller Matrix and Conventional Circular Dichroism Methods. Molecules 2011, 16, 3636-3647.
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