Recent advancement in induced-charge electrokinetic phenomena and their micro-and nano-fluidic applications

H Feng, H Chang, X Zhong, TN Wong - Advances in Colloid and Interface …, 2020 - Elsevier
Induced-charge electrokinetics (ICEK) remains a hot topic due to its promising applications
in micro-and nano-fluidics. Over the past decade, researchers have made a great …

Chaotic induced-charge electro-osmosis

SM Davidson, MB Andersen, A Mani - Physical review letters, 2014 - APS
We present direct numerical simulations of the coupled Poisson-Nernst-Planck and Navier-
Stokes equations for an electrolyte around a polarizable cylinder subject to an external …

Defects in bent-core liquid crystals

A Jákli, Y Nastishin, OD Lavrentovich - Liquid Crystals Reviews, 2023 - Taylor & Francis
Topological defects and defect phases of rigid and flexibly bent-shaped liquid crystals are
reviewed with emphasis on how they are affected by the departure of molecular shapes from …

Design of nematic liquid crystals to control microscale dynamics

OD Lavrentovich - Liquid crystals reviews, 2020 - Taylor & Francis
Dynamics of small particles, both living and inanimate, has fascinated scientists for
centuries. Learning how to control it could open technological opportunities in the …

Thermal gradient and elastic dependence of induced charge electro-osmosis in viscoelastic fluids

DL Chen, XP Luo, ZG Su, K Luo, HL Yi - Physics of Fluids, 2023 - pubs.aip.org
Induced charge electro-osmosis has notable implementation possibilities in thermal
management and efficient electrokinetic micropumps. We present the coupled numerical …

Induced-charge electro-osmosis around metal and Janus spheres in water: Patterns of flow and breaking symmetries

C Peng, I Lazo, SV Shiyanovskii, OD Lavrentovich - Physical Review E, 2014 - APS
We establish experimentally the flow patterns of induced-charge electro-osmosis around
immobilized metallic spheres in aqueous electrolyte. The ac field modifies local electrolyte …

On ac-field-induced nonlinear electroosmosis next to the sharp corner-field-singularity of leaky dielectric blocks and its application in on-chip micro-mixing

Y Ren, W Liu, Y Tao, M Hui, Q Wu - Micromachines, 2018 - mdpi.com
Induced-charge electroosmosis has attracted lots of attention from the microfluidic
community over the past decade. Most previous researches on this subject focused on …

Asymmetric rectified electric fields generate flows that can dominate induced-charge electrokinetics

A Hashemi, GH Miller, WD Ristenpart - Physical Review Fluids, 2020 - APS
We derive a generalized induced-charge electrokinetic (ICEK) velocity around a conducting
object placed in an arbitrary multimodal electric field. The generalized model allows …

Observing electrokinetic Janus particle–channel wall interaction using microparticle image velocimetry

A Boymelgreen, G Yossifon - Langmuir, 2015 - ACS Publications
Three-dimensional/two-component microparticle image velocimetry is used to examine the
hydrodynamic flow patterns around metallodielectric Janus particles 15 μm in diameter …

Chaotic micromixer utilizing electro-osmosis and induced charge electro-osmosis in eccentric annulus

H Feng, TN Wong, Z Che, M Marcos - Physics of Fluids, 2016 - pubs.aip.org
Efficient mixing is of significant importance in numerous chemical and biomedical
applications but difficult to realize rapidly in microgeometries due to the lack of turbulence …