Electroosmosis in nanopores: computational methods and technological applications
Electroosmosis is a fascinating effect where liquid motion is induced by an applied electric
field. Counter ions accumulate in the vicinity of charged surfaces, triggering a coupling …
field. Counter ions accumulate in the vicinity of charged surfaces, triggering a coupling …
Evidence of slippage breakdown for a superhydrophobic microchannel
A full characterization of the water flow past a silicon superhydrophobic surface with
longitudinal micro-grooves enclosed in a microfluidic device is presented. Fluorescence …
longitudinal micro-grooves enclosed in a microfluidic device is presented. Fluorescence …
Hydrodynamics of flagellated microswimmers near free-slip interfaces
The hydrodynamics of a flagellated micro-organism is investigated when swimming close to
a planar free-slip surface by means of numerical solutions of the Stokes equations obtained …
a planar free-slip surface by means of numerical solutions of the Stokes equations obtained …
Slippery rheotaxis: new regimes for guiding wall-bound microswimmers
The near-surface locomotion of microswimmers under the action of background flows has
been studied extensively, whereas the intervening effects of complex surface properties …
been studied extensively, whereas the intervening effects of complex surface properties …
Anomalous interplay of slip, shear and wettability in nanoconfined water
Slip of liquid over nanometer scales is traditionally believed to be augmented with interfacial
shear. In sharp contrast to this intuitive paradigm, here we show that a reverse of this …
shear. In sharp contrast to this intuitive paradigm, here we show that a reverse of this …
Near-wall hydrodynamic slip triggers swimming state transition of micro-organisms
The interaction of motile micro-organisms with a nearby solid substrate is a well-studied
phenomenon. However, the effects of hydrodynamic slippage on the substrate have …
phenomenon. However, the effects of hydrodynamic slippage on the substrate have …
Unraveling the Salvinia paradox: design principles for submerged superhydrophobicity
The complex structure of the Salvinia molesta is investigated via rare event molecular
dynamics simulations. Results show that a hydrophilic/hydrophobic patterning together with …
dynamics simulations. Results show that a hydrophilic/hydrophobic patterning together with …
Effective slip over partially filled microcavities and its possible failure
Motivated by the emerging applications of liquid-infused surfaces (LIS), we study the drag
reduction and robustness of transverse flows over two-dimensional microcavities partially …
reduction and robustness of transverse flows over two-dimensional microcavities partially …
Mechanism of the Cassie-Wenzel transition via the atomistic and continuum string methods
The string method is a general and flexible strategy to compute the most probable transition
path for an activated process (rare event). We apply here the atomistic string method in the …
path for an activated process (rare event). We apply here the atomistic string method in the …
Wetting and cavitation pathways on nanodecorated surfaces
In this contribution we study the wetting and nucleation of vapor bubbles on nanodecorated
surfaces via free energy molecular dynamics simulations. The results shed light on the …
surfaces via free energy molecular dynamics simulations. The results shed light on the …