Relationship between Viscosity and Acyl Tail Dynamics in Lipid Bilayers

Michihiro Nagao, Elizabeth G. Kelley, Antonio Faraone, Makina Saito, Yoshitaka Yoda, Masayuki Kurokuzu, Shinichi Takata, Makoto Seto, Paul D. Butler

研究成果: Article査読

抄録

Membrane viscosity is a fundamental property that controls molecular transport and structural rearrangements in lipid membranes. Given its importance in many cell processes, various experimental and computational methods have been developed to measure the membrane viscosity, yet the estimated values depend highly on the method and vary by orders of magnitude. Here we investigate the molecular origins of membrane viscosity by measuring the nanoscale dynamics of the lipid acyl tails using x-ray and neutron spectroscopy techniques. The results show that the membrane viscosity can be estimated from the structural relaxation times of the lipid tails.

本文言語English
論文番号078102
ジャーナルPhysical review letters
127
7
DOI
出版ステータスPublished - 2021 8 13

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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