Open AccessComment on “Dynamics of Phospholipid Membranes beyond Thermal Undulations”
Author(s) -
Rony Granek
Publication year - 2019
Publication title -
the journal of physical chemistry b
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.864
H-Index - 392
eISSN - 1520-6106
pISSN - 1520-5207
DOI - 10.1021/acs.jpcb.9b03049
Subject(s) - phospholipid , dynamics (music) , membrane , thermal , chemistry , physics , thermodynamics , biochemistry , acoustics
I introduce an alternative interpretation for the short-time anomalous diffusion observed by Gupta et al. using neutron spin echo. The interpretation involves the Brochard-Lennon "red blood cell" mode to describe membrane thickness fluctuations, and yields an anomalous diffusion exponent 1/3 that is consistent with the experimental results.
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