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

Second harmonic generation from the air/water interface of an aqueous solution of the dipeptide Boc-Trp-Trp
Second harmonic generation from the air/water interface of an aqueous solution of the dipeptide Boc-Trp-Trp
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.
0009-2614
260-264
Crawford, M.J.
94407fea-9d34-439d-b502-07abba9ab0e7
Haslam, S.
81884a4d-5a11-4d59-94a3-fd9c50d4efe4
Probert, J.M.
1fbaf45b-f43c-4136-9897-d4f2091f2f01
Gruzdkov, Y.A.
e89e3ff7-19e0-407c-9155-1c9978f13538
Frey, J.G.
bcd6120a-ce66-4e01-99b5-9ced44cd0ec9
Crawford, M.J.
94407fea-9d34-439d-b502-07abba9ab0e7
Haslam, S.
81884a4d-5a11-4d59-94a3-fd9c50d4efe4
Probert, J.M.
1fbaf45b-f43c-4136-9897-d4f2091f2f01
Gruzdkov, Y.A.
e89e3ff7-19e0-407c-9155-1c9978f13538
Frey, J.G.
bcd6120a-ce66-4e01-99b5-9ced44cd0ec9

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.

Record type: Article

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.

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Published date: 1994

Identifiers

Local EPrints ID: 15923
URI: http://eprints.soton.ac.uk/id/eprint/15923
ISSN: 0009-2614
PURE UUID: 90b67853-9f12-42aa-984c-ef82f7282938

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Date deposited: 16 Jun 2005
Last modified: 11 Dec 2021 14:04

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Contributors

Author: M.J. Crawford
Author: S. Haslam
Author: J.M. Probert
Author: Y.A. Gruzdkov
Author: J.G. Frey

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