ArticleBiophysical journal2006
Modeling leakage kinetics from multilamellar vesicles for membrane permeability determination: application to glucose.
Article in Biophysical journal, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Edible Fungal Polysaccharide-Liposome: Interfacial Interactions, Structure-Function Relationship, and Emerging Application in Oral Delivery and Functional Foods.International journal of molecular sciences · 2026Review
- Nucleated synthetic cells with genetically driven intercompartment communication.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Article
- Permeability and Line-Tension-Dependent Response of Polyunsaturated Membranes to Osmotic Stresses.Biophysical journal · 2018Article
- Interplay Between Exosomes, microRNAs and Toll-Like Receptors in Brain Disorders.Molecular neurobiology · 2016Review
- Droplet-interface-bilayer assays in microfluidic passive networks.Scientific reports · 2015Article
- Statistical analysis of peptide-induced graded and all-or-none fluxes in giant vesicles.Biophysical journal · 2013Article
- Asymmetric oxidation of giant vesicles triggers curvature-associated shape transition and permeabilization.Biophysical journal · 2009Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The glucose permeability of bilayers formed from phosphatidylcholine, Brij30, and sodium octadecyl sulfate has been determined via an enzymatic reaction. Glucose is encapsulated in either uni- or multilamellar vesicles (MLV) and its concentration in the dispersion medium is monitored by spectrophotometry analysis through the rate of glucose oxidase-catalyzed reaction of glucose oxidation. A kinetic model of leakage, taking explicitly into account one, two, or n(w)-walls (n(w) >> 1) for the vesicles and assuming an enzymatic Michaelis-Menten behavior, is proposed and used to fit the experimental data. The two-wall model was chosen to fit experimental data obtained on MLV since an average value of 1.7 bilayers was estimated for MLV by cryo-TEM imaging. A permeability value of 5.8 +/- 4.4 10(-9) cm/s was found. The proposed model is validated by the measurement of the bilayer permeability deduced from the modeling of glucose leakage from unilamellar vesicles with the same composition. In this latter case, a value of 8.3 +/- 0.7 10(-9) cm/s is found for the permeability, which is within the error bar of the value found with MLV.
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