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Conferences > UP > 2014 > 07.Mon.E > 07.Mon.E.2

Hydrated Phospholipid Surfaces Probed by Ultrafast 2D Spectroscopy of Phosphate Vibrations

Rene Costard, Ismael A. Heisler, and Thomas Elsaesser

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Abstract

Phosphate stretching vibrations probe interfacial dynamics in hydrated phospholipids. Two-dimensional spectra in the 1000–1300 cm−1 range reveal structural fluctuations on a 300 fs time scale while water-phosphate hydrogen bonds persist for longer than 10 ps.

© 2014 Optical Society of America

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