Miskowiec, A.
, Buck, Z.
, Brown, M.
, Kaiser, H.
, Hansen, F.
, King, G.
, Taub, H.
, Jiji, R.
, Cooley, J.
, Tyagi, M.
, Diallo, S.
, Mamontov, E.
and Herwig, K.
(2014),
On the Freezing Behavior and Diffusion of Water in Proximity to Single-supported Zwitterionic and Anionic Bilayer Lipid Membranes, Europhysics Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=916278
(Accessed October 10, 2025)
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On the Freezing Behavior and Diffusion of Water in Proximity to Single-supported Zwitterionic and Anionic Bilayer Lipid Membranes
Published
Author(s)
A. Miskowiec, Z. N. Buck, M. C. Brown, H. Kaiser, F.Y. Hansen, G. M. King, H. Taub, R. Jiji, J.W. Cooley, , S. O. Diallo, E. Mamontov, K. W. Herwig
Abstract
We compare the freezing/melting behavior of water hydrating single-supported bilayers of a zwitterionic lipid DMPC with that of an anionic lipid DMPG. For both membranes, the temperature dependence of the elastically scattered neutron intensity indicates distinct water types undergoing translation diffusion: bulk-like water probably located above the membrane and two types of confined water closer to the lipid head groups. The membranes differ in the greater with δT of the water freezing transition near the anionic DMPG bilayer (δT 7- K) compared to zwitterionic DMPC (δT 20K) as wells as in the abruptness of the freezing/melting transitions of the bulk-like water.Citation
Europhysics Letters
Volume
107
Pub Type
Journals
Download Paper
Keywords
lipid bilayers, neutron scattering
Citation
Issues
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Created July 21, 2014, Updated October 12, 2021