Anisotropic electro-osmotic flow over super-hydrophobic surfaces (2009)
Bahga, Supreet S., Vinogradova, Olga I., Bazant, Martin Z.
Patterned surfaces with large effective slip lengths, such as super-hydrophobic surfaces containing trapped gas bubbles, have the potential to greatly enhance electrokinetic phenomena. Existing...
Direct Measurements of Hydrophobic Slippage Using Double-Focus Fluorescence Cross-Correlation (2009)
Vinogradova, Olga I., Koynov, Kaloian, Best, A., Feuillebois, F.
Effective slip over superhydrophobic surfaces in thin channels (2008)
Feuillebois, François, Bazant, Martin Z., Vinogradova, Olga I.
Superhydrophobic surfaces reduce drag by combining hydrophobicity and roughness to trap gas bubbles in a micro- and nanoscopic texture. Recent work has focused on specific cases, such as striped...
Tensorial hydrodynamic slip (2008)
Bazant, Martin Z., Vinogradova, Olga I.
We describe a tensorial generalization of the Navier slip boundary condition and illustrate its use in solving for flows around anisotropic textured surfaces. Tensorial slip can be derived from...
Direct measurements of hydrophobic slippage using double-focus fluorescence cross-correlation (2008)
Vinogradova, Olga I., Koynov, Kaloian, Best, Andreas, Feuillebois, François
We report results of direct measurements of velocity profiles in a microchannel with hydrophobic and hydrophilic walls, using a new high precision method of double-focus spacial fluorescence...
Clasohm, Lucy., Connor, Jason N., Vinogradova, Olga I., Horn, Roger G.
It is well-known that hydrodynamic pressures in a thin draining liquid film can cause inversion of the curvature of a drop or bubble surface as it approaches another surface, creating a so-called...
Clasohm, Lucy., Connor, Jason N., Vinogradova, Olga I., Horn, Roger G.
It is well-known that hydrodynamic pressures in a thin draining liquid film can cause inversion of the curvature of a drop or bubble surface as it approaches another surface, creating a so-called...
Dendrimer-encapsulated gold nanoparticles as building blocks for multilayer microshells (2007)
Lebedeva, O. V., Kim, B. S., Gröhn, Franziska, Vinogradova, Olga I.
Self-assembled monolayers on mercury probed in a modified surface force apparatus (2006)
Clasohm, L. Y., Chen, M., Knoll, Wolfgang, Vinogradova, Olga I., Horn, R. G.
Self-Assembled Monolayers on Mercury Probed With a Modified Surface Force Apparatus (2006)
Clasohm, Lucy Y, Chen, Miao, Knoll, Wolfgang, Vinogradova, Olga I, Horn, Roger G
Self-Assembled Monolayers on Mercury Probed With a Modified Surface Force Apparatus (2006)
Clasohm, Lucy Y, Chen, Miao, Knoll, Wolfgang, Vinogradova, Olga I, Horn, Roger G
Surface Roughness and Hydrodynamic Boundary Conditions (2005)
Vinogradova, Olga I., Yakubov, Gleb E.
We report results of investigations of a high-speed drainage of thin aqueous films squeezed between randomly nanorough surfaces. A significant decrease in hydrodynamic resistance force as compared...
Dynamics and stability of dispersions of polyelectrolyte-filled multilayer microcapsules (2005)
Kim, Byoung-Suhk, Lobaskin, Vladimir, Vinogradova, Olga I.
We report dynamic and coagulation properties of a dispersion of polyelectrolyte multilayer microcapsules filled with solutions of a strong polyelectrolyte. The capsule self-diffusion coefficient in...
Interaction and adhesion properties of polyelectrolyte multilayers (2005)
Gong,H. F., Garcia-Turiel,J., Vasilev,K., Vinogradova,Olga I.
Salt softening of polyelectrolyte multilayer microcapsules (2005)
Lebedeva, O. V., Kim, B. S., Vasilev, K., Vinogradova, Olga I.
Interaction and adhesion properties of polyelectrolyte multilayers (2005)
Gong, H. F., Garcia-Turiel, J., Vasilev, K., Vinogradova, Olga I.
Superswollen ultrasoft polyelectrolyte microcapsules (2005)
Kim, B. S., Fan, T. H., Lebedeva, O. V., Vinogradova, Olga I.
Interaction and adhesion properties of polyelectrolyte multilayers (2005)
Gong, H, Garcia-Turiel, J, Vasilev, Krasimir Atanasov, Vinogradova, Olga I
Vinogradova, Olga I, Lebedeva, O, Vasilev, Krasimir Atanasov, Gong, H, Garcia-Turiel, J, Kim, Byung S
Salt softening of polyelectrolyte multilayer microcapsules (2005)
Lebedeva, O, Kim, Byung S, Vasilev, Krasimir Atanasov, Vinogradova, Olga I
Interaction and adhesion properties of polyelectrolyte multilayers (2005)
Gong, H, Garcia-Turiel, J, Vasilev, Krasimir Atanasov, Vinogradova, Olga I
Vinogradova, Olga I, Lebedeva, O, Vasilev, Krasimir Atanasov, Gong, H, Garcia-Turiel, J, Kim, Byung S
Salt softening of polyelectrolyte multilayer microcapsules (2005)
Lebedeva, O, Kim, Byung S, Vasilev, Krasimir Atanasov, Vinogradova, Olga I
Young's modulus of polyelectrolyte multilayers from microcapsule swelling (2004)
Vinogradova,Olga I., Andrienko,D., Lulevich,V. V., Nordschild,S., Sukhorukov,G. B.
Young's modulus of polyelectrolyte multilayers from microcapsule swelling (2004)
Vinogradova, Olga I., Andrienko, D., Lulevich, V. V., Nordschild, S., Sukhorukov, G. B.
Boundary slip as a result of a prewetting transition (2003)
Andrienko, D., Dünweg, Burkhard, Vinogradova, Olga I.
Some fluids exhibit anomalously low friction when flowing against a certain solid wall. To recover the viscosity of a bulk fluid, slip at the wall is usually postulated. On a macroscopic level, a...
Flow profile near a wall measured by double-focus fluorescence cross-correlation (2003)
Lumma,D., Best,A., Gansen,A., Feuillebois,F., Rädler,Joachim O., Vinogradova,Olga I.
We present an experimental approach to flow profiling within femtoliter sample volumes, which allows the high-precision measurements at the solid interface. The method is based on the spatial...
Mechanical properties of polyelectrolyte microcapsules filled with a neutral polymer (2003)
Lulevich,V. V., Radtchenko,I. L., Sukhorukov,G. B., Vinogradova,Olga I.
We study the deformation of "filled" (with a neutral polymer) polyelectrolyte microcapsules under applied load using an atomic force microscope (A-FM)-related force-measuring device. The experimental...
Lulevich,V. V., Radtchenko,I. L., Sukhorukov,G. B., Vinogradova,Olga I.
We study the deformation of nonadhesive polyelectrolyte microcapsules under applied load using an atomic force microscope (AFM)-related force measuring device. Both "hollow" (water inside) and...
Dynamic effects on force measurements. 2. Lubrication and the atomic force microscope (2003)
Vinogradova,Olga I., Yakubov,G. E.
We present the results of investigations of high-speed drainage of a thin film confined between a microscopic colloidal probe and a substrate performed with a new atomic force microscope- related...
Interaction of elastic bodies via surface forces 2. Exponential decay (2003)
Vinogradova,Olga I., Feuillebois,F.
Our goal is to study theoretically the effect of deformation on the exponentially decaying interaction of two elastic solids separated by a thin liquid film. The deformed shape of the surfaces and...
Boundary slip as a result of a prewetting transition (2003)
Andrienko,D., Dünweg,Burkhard, Vinogradova,Olga I.
Some fluids exhibit anomalously low friction when flowing against a certain solid wall. To recover the viscosity of a bulk fluid, slip at the wall is usually postulated. On a macroscopic level, a...
Mechanical properties of polyelectrolyte microcapsules filled with a neutral polymer (2003)
Lulevich, V. V., Radtchenko, I. L., Sukhorukov, G. B., Vinogradova, Olga I.
We study the deformation of "filled" (with a neutral polymer) polyelectrolyte microcapsules under applied load using an atomic force microscope (A-FM)-related force-measuring device. The experimental...
Lulevich, V. V., Radtchenko, I. L., Sukhorukov, G. B., Vinogradova, Olga I.
We study the deformation of nonadhesive polyelectrolyte microcapsules under applied load using an atomic force microscope (AFM)-related force measuring device. Both "hollow" (water inside) and...
Dynamic effects on force measurements. 2. Lubrication and the atomic force microscope (2003)
Vinogradova, Olga I., Yakubov, G. E.
We present the results of investigations of high-speed drainage of a thin film confined between a microscopic colloidal probe and a substrate performed with a new atomic force microscope- related...
Flow profile near a wall measured by double-focus fluorescence cross-correlation (2003)
Lumma, D., Best, A., Gansen, A., Feuillebois, F., Rädler, Joachim O., Vinogradova, Olga I.
We present an experimental approach to flow profiling within femtoliter sample volumes, which allows the high-precision measurements at the solid interface. The method is based on the spatial...
Interaction of elastic bodies via surface forces 2. Exponential decay (2003)
Vinogradova, Olga I., Feuillebois, F.
Our goal is to study theoretically the effect of deformation on the exponentially decaying interaction of two elastic solids separated by a thin liquid film. The deformed shape of the surfaces and...
Boundary slip as a result of a prewetting transition (2003)
Andrienko, D., Dünweg, Burkhard, Vinogradova, Olga I.
Some fluids exhibit anomalously low friction when flowing against a certain solid wall. To recover the viscosity of a bulk fluid, slip at the wall is usually postulated. On a macroscopic level, a...
Interaction of elastic bodies via surface forces. 1. Power-law attraction (2002)
Vinogradova,Olga I., Feuillebois,F.
We study theoretically the effect of finite elasticity on the attractive power-law interaction of two solids separated by a thin liquid (or gas) film. A new asymptotic technique is developed to...
Interaction of elastic bodies via surface forces. 1. Power-law attraction (2002)
Vinogradova, Olga I., Feuillebois, F.
We study theoretically the effect of finite elasticity on the attractive power-law interaction of two solids separated by a thin liquid (or gas) film. A new asymptotic technique is developed to...