Second harmonic generation from the air/water interface of an aqueous solution of the dipeptide Boc-Trp-Trp


Crawford, M.J., Haslam, S., Probert, J.M., Gruzdkov, Y.A. and Frey, J.G. (1994) Second harmonic generation from the air/water interface of an aqueous solution of the dipeptide Boc-Trp-Trp. Chemical Physics Letters, 230, 260-264.

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Description/Abstract

The air/water interface of aqueous (t-butyloxycarbonyl)- tryptophan-tryptophan (Boc-Trp-Trp) has been studied by surface second harmonic generation (SHG). The SHG signals obtained with a linearly polarised fundamental indicate a Langmuir-like adsorption isotherm. Wavelength-dependent circularly differential harmonic generation (SHG-CD) was observed together with SHG optical rotation. The SHG signals from the LL and DD enantiomer show equal but opposite dependence on the handedness of the fundamental radiation and the DL diastereoisomer gave rise to a different spectrum.

Item Type: Article
Subjects: Q Science > QD Chemistry
Divisions: University Structure - Pre August 2011 > School of Chemistry
ePrint ID: 15923
Date Deposited: 16 Jun 2005
Last Modified: 27 Mar 2014 18:06
URI: http://eprints.soton.ac.uk/id/eprint/15923

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