ArticleAnalytical chemistry2013
Electrophoretic measurements of lipid charges in supported bilayers.
Article in Analytical chemistry, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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Who cites it
5 citing papers in PubMed.
- Lipid-Substrate Interactions Lead to Bilayer Asymmetry.Journal of the American Chemical Society · 2026Article
- Rapid Enrichment of a Native Multipass Transmembrane Protein via Cell Membrane Electrophoresis through Buffer pH and Ionic Strength Adjustment.Journal of the American Chemical Society · 2024Article
- Self-Quenching Behavior of a Fluorescent Probe Incorporated within Lipid Membranes Explored Using Electrophoresis and Fluorescence Lifetime Imaging Microscopy.The journal of physical chemistry. B · 2023Article
- Dynamic Reorganization and Correlation among Lipid Raft Components.Journal of the American Chemical Society · 2016Article
- Monitoring phosphatidic acid formation in intact phosphatidylcholine bilayers upon phospholipase D catalysis.Analytical chemistry · 2014Article
Corrections and comments
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Authors and funding
2 authors.
Funding
Abstract
While electrophoresis in lipid bilayers has been performed since the 1970s, the technique has until now been unable to accurately measure the charge on lipids and proteins within the membrane based on drift velocity measurements. Part of the problem is caused by the use of the Einstein-Smoluchowski equation to estimate the electrophoretic mobility of such species. The source of the error arises from the fact that a lipid headgroup is typically smaller than the Debye length of the adjacent aqueous solution in most electrophoresis experiments. Instead, the Henry equation can more accurately predict the electrophoretic mobility at sufficient ionic strength. This was done for three dye-labeled lipids with different sized head groups and a charge on each lipid of -1. Also, the charge was measured as a function of pH for two titratable lipids that were fluorescently labeled. Finally, it was shown that the Henry equation also has difficulties measuring the correct lipid charge at salt concentrations below 5 mM, where electroosmotic forces are more significant.
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Registered trials
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