ArticleLangmuir : the ACS journal of surfaces and colloids2010
Studies of bilayers and vesicle adsorption to solid substrates: development of a miniature streaming potential apparatus (SPA).
Article in Langmuir : the ACS journal of surfaces and colloids, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 22 citations in OpenAlex.
- How charge frustration causes ion ordering and microphase separation at surfaces.Nature materials · 2026Article
- The influence of surface chemistry on the kinetics and thermodynamics of bacterial adhesion.Scientific reports · 2018Article
- New poly(amino acid methacrylate) brush supports the formation of well-defined lipid membranes.Langmuir : the ACS journal of surfaces and colloids · 2015Article
- Experimental aspects of colloidal interactions in mixed systems of liposome and inorganic nanoparticle and their applications.International journal of molecular sciences · 2012Review
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
Abstract
A new miniature streaming potential apparatus (SPA) was developed to determine the streaming potentials (Psi(str)) and zeta potentials (zeta) of substrates under different ionic conditions while simultaneously visualizing the state of the surfaces, such as the adsorption of surfactants or polymers, using fluorescence microscopy and/or fluorescence recovery after photobleaching (FRAP). Experimental results with different surfaces show that the new SPA provides streaming potential values (hence zeta potentials) that agree with results obtained using traditional electrokinetic analyzers. Using the new SPA, the formation of supported lipid bilayers (SLBs) on glass from fluorescently labeled, unilamellar (approximately 100 nm diameter), charge neutral dimyristoyl-sn-glycero-3-phosphocholine (DMPC) vesicles was studied in aqueous electrolyte solutions at different lipid concentrations. Simultaneous zeta potential measurements and fluorescence imaging for measuring diffusion coefficients by confocal microscopy enabled us to precisely monitor the changes in the surface charge as well as in the surface morphology during SLB formation from vesicles. For a fixed incubation time of 5 min, both results revealed that the adsorption of intact vesicles and/or discrete bilayer patches were observed below a threshold concentration, above which the formation of continuous SLBs occurred leading to an estimate for the zeta-potential and for the diffusion coefficient of -9.1 +/- 1.6 mV and (1.1 +/- 0.02) x 10(-12) m(2)/s, respectively.
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Registered trials
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