10.1021/jp302478a.s002 Alireza Mashaghi Alireza Mashaghi P. Partovi-Azar P. Partovi-Azar Tayebeh Jadidi Tayebeh Jadidi Nasser Nafari Nasser Nafari Keivan Esfarjani Keivan Esfarjani Philipp Maass Philipp Maass M. Reza Rahimi Tabar M. Reza Rahimi Tabar Huib J. Bakker Huib J. Bakker Mischa Bonn Mischa Bonn Interfacial Water Facilitates Energy Transfer by Inducing Extended Vibrations in Membrane Lipids American Chemical Society 2016 Interfacial Water Facilitates Energy Transfer vibrational modes vibrational spectrum vibrational energy lipid headgroups membrane phospholipid family water hydrating DPPC membrane leaflets Membrane LipidsWe report Inducing Extended Vibrations lipid membranes energy transfer 2016-02-20 20:03:12 Media https://acs.figshare.com/articles/media/Interfacial_Water_Facilitates_Energy_Transfer_by_Inducing_Extended_Vibrations_in_Membrane_Lipids/2515744 We report the complete assignment of the vibrational spectrum of dipalmitoylphosphatidylcholine (DPPC), which belongs to the most ubiquitous membrane phospholipid family, phosphatidylcholine. We find that water hydrating the lipid headgroups enables efficient energy transfer across membrane leaflets on sub-picosecond time scales. The emergence of spatially extended vibrational modes upon hydration, underlies this phenomenon. Our findings illustrate the importance of collective molecular behavior of biomembranes and reveal that hydrated lipid membranes can act as efficient media for the transfer of vibrational energy.