2012
DOI: 10.1103/physreve.85.041408
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Acceleration of membrane dynamics adjacent to a wall

Abstract: The dynamics of an induced lamellar microemulsion adjacent to a planar hydrophilic surface (45 ns) were found to be three times faster compared to the bicontinuous bulk structure (133 ns). For these investigations the grazing incidence technique for neutron spin echo spectroscopy has been developed to resolve the depth dependent near surface dynamics. The observation is rationalized in terms of membrane hydrodynamics, where the flow fields reflected by the surface lead to a crossover from classical to confined… Show more

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Cited by 38 publications
(56 citation statements)
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“…In [6] we stated the interesting dynamical behavior we found for an induced lamellar microemulsion adjacent to a planar hydrophilic surface namely that the induced layer (45ns) is three times faster when compared with the bicontinuous bulk structure (133ns) (see Figure 1). In addition to our conference contributions we want the present complementary experiments we conducted in order the better the understanding of what leads to this behavior.…”
Section: Introductionmentioning
confidence: 68%
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“…In [6] we stated the interesting dynamical behavior we found for an induced lamellar microemulsion adjacent to a planar hydrophilic surface namely that the induced layer (45ns) is three times faster when compared with the bicontinuous bulk structure (133ns) (see Figure 1). In addition to our conference contributions we want the present complementary experiments we conducted in order the better the understanding of what leads to this behavior.…”
Section: Introductionmentioning
confidence: 68%
“…The main result of these GINSES experiments is summarized in Figure 1 [6]. While at low penetration depths we highlighted the near surface lamellar structure of the microemulsion.…”
Section: Brief Review On Microemulsion Adjacent To a Planar Hydrophilmentioning
confidence: 73%
“…Figure 1 shows a bicontinuous microemulsion measured in GISANS geometry. The interface imposes a lamellar phase for the first membrane layers, giving rise to a Bragg peak in the detector image, while the bulk microemulsion at larger distances to the interface contributes with a Debye-Scherrer like scattering contribution [4]. The typical Q-value for a GINSES experiments is indicated with the red circle in the GISANS plot (on the Q y =0 axis).…”
Section: Introductionmentioning
confidence: 99%
“…The scattered neutrons from the evanescent wave are recorded to get structural information lateral and perpendicular to the rigid interface on a nanometer length scale. Recently, this technique has been also applied to study the dynamics of mesoscopic objects close to the rigid interface [4][5] [8] with Neutron Spin Echo (NSE) spectroscopy. NSE spectroscopy has the highest energy resolution of all spectroscopic techniques [6] [7] in neutron scattering and allows to study the dynamics of macromolecules such as thermal fluctuations of surfactant membranes [9][10] or internal motion of proteins [3].…”
Section: Introductionmentioning
confidence: 99%
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