ArticleLangmuir : the ACS journal of surfaces and colloids2014
Influence of molecular coherence on surface viscosity.
Article in Langmuir : the ACS journal of surfaces and colloids, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 27 citations in OpenAlex.
- Using diffusion-induced growth instabilities to measure line tension at liquid condensed-liquid expanded domain boundaries.Journal of colloid and interface science · 2026Article
- Structural determinants of collapse by a monomolecular mimic of pulmonary surfactant at the physiological temperature.Soft matter · 2024Article
- Dilatational and shear rheology of soluble and insoluble monolayers with a Langmuir trough.Journal of colloid and interface science · 2023Article
- Spontaneous evolution of equilibrium morphology in phospholipid-cholesterol monolayers.Science advances · 2022Article
- Bilayer aggregate microstructure determines viscoelasticity of lung surfactant suspensions.Soft matter · 2021Article
- Dilatational rheology of water-in-diesel fuel interfaces: effect of surfactant concentration and bulk-to-interface exchange.Soft matter · 2021Article
- Inflammation product effects on dilatational mechanics can trigger the Laplace instability and acute respiratory distress syndrome.Soft matter · 2020Article
- Evolution and mechanics of mixed phospholipid fibrinogen monolayers.Journal of the Royal Society, Interface · 2018Article
- Nonlinear chiral rheology of phospholipid monolayers.Soft matter · 2018Article
- Interfacial curvature effects on the monolayer morphology and dynamics of a clinical lung surfactant.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
- Effect of cholesterol on the molecular structure and transitions in a clinical-grade lung surfactant extract.Proceedings of the National Academy of Sciences of the United States of America · 2017Article
- Interfacial rheology of coexisting solid and fluid monolayers.Soft matter · 2017Article
- Single Microbubble Measurements of Lipid Monolayer Viscoelastic Properties for Small-Amplitude Oscillations.Langmuir : the ACS journal of surfaces and colloids · 2016Article
- Monitoring phases and phase transitions in phosphatidylethanolamine monolayers using active interfacial microrheology.Soft matter · 2015Article
- Visualizing monolayers with a water-soluble fluorophore to quantify adsorption, desorption, and the double layer.Proceedings of the National Academy of Sciences of the United States of America · 2015Article
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
Abstract
Adding small fractions of cholesterol decreases the interfacial viscosity of dipalmitoylphosphatidylcholine (DPPC) monolayers by an order of magnitude per wt %. Grazing incidence X-ray diffraction shows that cholesterol at these small fractions does not mix ideally with DPPC but rather induces nanophase separated structures of an ordered, primarily DPPC phase bordered by a line-active, disordered, mixed DPPC-cholesterol phase. We propose that the free area in the classic Cohen and Turnbull model of viscosity is inversely proportional to the number of molecules in the coherence area, or product of the two coherence lengths. Cholesterol significantly reduces the coherence area of the crystals as well as the interfacial viscosity. Using this free area collapses the surface viscosity data for all surface pressures and cholesterol fractions to a universal logarithmic relation. The extent of molecular coherence appears to be a fundamental factor in determining surface viscosity in ordered monolayers.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.