Dependence of nonlinear electrophoresis on particle size and electrical charge

OD Ernst, A Vaghef-Koodehi, C Dillis… - Analytical …, 2023 - ACS Publications
This study focuses on the dependence of nonlinear electrophoretic migration of particles on
the particle size and particle electrical charge. This is the first report of the experimental …

Effect of cell shape on nonlinear electrophoresis migration

V Kasarabada, OD Ernst, A Vaghef-Koodehi… - … of Chromatography A, 2024 - Elsevier
This study contributes to the renewed interest in the study of nonlinear electrophoresis of
colloidal particles. In this work the influence of cell shape on electrophoretic migration under …

Characterization of the nonlinear electrophoretic behavior of colloidal particles in a microfluidic channel

A Lomeli-Martin, OD Ernst… - Analytical …, 2023 - ACS Publications
Contemporary findings in the field of insulator-based electrokinetics have demonstrated that
in systems under the influence of direct current (DC) fields, dielectrophoresis (DEP) is not …

Nonlinear electrophoresis of nonspherical particles in a rectangular microchannel

J Bentor, X Xuan - Electrophoresis, 2024 - Wiley Online Library
Nonlinear electrophoresis offers advantageous prospects in microfluidic manipulation of
particles over linear electrophoresis. Existing theories established for this phenomenon are …

High-resolution charge-based electrokinetic separation of almost identical microparticles

A Vaghef-Koodehi, C Dillis… - Analytical …, 2022 - ACS Publications
Well-established techniques, eg, chromatography and capillary electrophoresis, are
available for separating nanosized particles, such as proteins. However, similar techniques …

Simultaneous determination of linear and nonlinear electrophoretic mobilities of cells and microparticles

S Antunez-Vela, VH Perez-Gonzalez… - Analytical …, 2020 - ACS Publications
Direct-current insulator-based electrokinetics (DC-iEK) is a branch of microfluidics that has
demonstrated to be an attractive and efficient technique for manipulating micro-and nano …

Nonlinear electrophoresis of dielectric particles in Newtonian fluids

J Bentor, H Dort, RA Chitrao, Y Zhang… - Electrophoresis, 2023 - Wiley Online Library
In classical electrokinetics, the electrophoretic velocity of a dielectric particle is a linear
function of the applied electric field. Theoretical studies have predicted the onset of …

Mechanistic aspects in the generation of apparent ultrahigh efficiencies for colloidal (microbial) electrokinetic separations

DW Armstrong, M Girod, L He, MA Rodriguez… - Analytical …, 2002 - ACS Publications
Under specific experimental conditions, the electrokinetic separation of certain
microorganisms can produce peaks of very high apparent efficiencies (∼ 106− 1010 …

Continuous dielectrophoretic size-based particle sorting

JG Kralj, MTW Lis, MA Schmidt, KF Jensen - Analytical chemistry, 2006 - ACS Publications
Continuous-flow dielectrophoretic (DEP) particle separation based on size is demonstrated
in a microfluidic device. Polystyrene microspheres suspended in a neutrally buoyant …

Size-dependent dielectrophoretic crossover frequency of spherical particles

PY Weng, IA Chen, CK Yeh, PY Chen, JY Juang - Biomicrofluidics, 2016 - pubs.aip.org
Dielectrophoresis (DEP) has been extensively used in lab-on-a-chip systems for trapping,
separating, and manipulating of micro particles suspended in a liquid medium. The most …