Dynamics of dioleoyl phosphatidylcholine by muon spin relaxation

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DOI 10.1039/A905031K
Impact Factor 3.676
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Abstract

Muon spin relaxation has been used to study the dynamics of the hydrocarbon chains in methyl oleate and dioleoyl phosphatidylcholine (DOPC) as a function of temperature. Repolarisation of the radical muonium spin shows that the muons implant in the C9–C10 double bond. Dynamic processes involving the hydrocarbon chains are evident from the increases observed in the muon spin relaxation rate as the ester and DOPC are heated from 100 to 400 K. Similar increases in muon spin relaxation are observed before the melting point in methyl oleate and the chain melting temperature in DOPC indicative of fast segmental motions occurring in the chains before the phase change takes place.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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