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Author profile: Ramos Reyes, Antonio
Institutional data
Name | Ramos Reyes, Antonio |
Department | Electrónica y Electromagnetismo |
Knowledge area | Electromagnetismo |
Professional category | Catedrático de Universidad |
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Statistics
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No. publications
42
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No. visits
4453
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No. downloads
5406
Publications |
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Article
Concentration-polarization electroosmosis for particle fractionation
(Royal Society of Chemistry, 2024)
Concentration-polarization electroosmosis (CPEO) refers to steady-state electroosmotic flows around charged dielectric ... |
Final Degree Project
Problemas avanzados en electrodinámica: movimiento de partículas
(2023)
Desde la electrónica hasta la producción de rayos X o las auroras boreales, las fuerzas electromagnéticas y los movimientos ... |
Article
Wall Repulsion during Electrophoresis: Testing the Theory of Concentration-Polarization Electroosmosis
(AIP Publishing, 2023)
We experimentally study the repulsion of charged microscopic particles with the channel walls during electrophoresis in ... |
Article
Scattering of Metal Colloids by a Circular Post under Electric Fields
(MDPI, 2023)
We consider the scattering of metal colloids in aqueous solutions by an insulating circular post under the action of an ... |
Article
Low-frequency electrokinetics in a periodic pillar array for particle separation
(Elsevier, 2023)
Deterministic Lateral Displacement (DLD) exploits periodic arrays of pillars inside microfluidic channels for high-precision ... |
Article
Dynamics of Fixed-volume Pinned Films - Dealing with a Non-self-adjoint Thin-film Problem
(Cambridge University Press, 2023)
The use of thin liquid films has expanded beyond lubrication and coatings, and into applications in actuators and adaptive ... |
Article
Particle Finder: a Simple Particle Detection Tool for Continuous-flow Systems
(Springer Nature, 2023)
We describe a user-friendly, open source software for single-particle detection/counting in a continuous-flow. The tool ... |
Article
Insulating Traveling-wave Electrophoresis
(American Physical Society, 2023)
Traveling-wave electrophoresis (TWE) is a method for transporting charged colloidal particles used in many microfluidic ... |
Article
Wall Repulsion of Charged Colloidal Particles during Electrophoresis in Microfluidic Channels
(American Physical Society, 2022)
Electrophoresis describes the motion of charged particles suspended in electrolytes when subjected to an external electric ... |
Article
Shaping liquid films by dielectrophoresis
(Cambridge University Press, 2021)
We present a theoretical model and experimental demonstration of thin liquid film deformations due to a dielectric force ... |
Article
Stationary Electro-osmotic Flow Driven by ac Fields around Insulators
(American Physical Society, 2021)
Electric fields are commonly used for manipulating particles and liquids in microfluidic systems. In this work, we report ... |
Article
Continuous particle separation in microfluidics: Deterministic lateral displacement assisted by electric fields
(Multidisciplinary Digital Publishing Institute (MDPI), 2021)
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Article
Concentration-polarization electroosmosis near insulating constrictions within microfluidic channels
(American Chemical Society, 2021)
Electric fields are commonly used to trap and separate micro- and nanoparticles near channel constrictions in microfluidic ... |
Article
Short communication: A simple and accurate method of measuring the zeta-potential of microfluidic channels
(Wiley-Blackwell, 2021)
We describe an improved method for determining the electroosmotic mobility and zeta potential of surfaces based on a ... |
Article
Stationary electro-osmotic flow driven by AC fields around charged dielectric spheres
(Cambridge University Press, 2021)
We experimentally demonstrate quadrupolar electro-osmotic flows around charged dielectric microspheres immersed in an ... |
Article
Dielectrophoretic Force Equilibrium of Complex Particles
(American Physical Society, 2020)
In contrast to the commonly used spherical Janus particles, here we use engineered Janus particles that are fabricated by ... |
Article
Dipolophoresis and Travelling-Wave Dipolophoresis of Metal Microparticles
(MDPI, 2020)
We study theoretically and numerically the electrokinetic behavior of metal microparticles immersed in aqueous electrolytes. ... |
Article
Electrokinetic Biased Deterministic Lateral Displacement: Scaling Analysis and Simulations
(Elsevier, 2020)
Deterministic Lateral Displacement (DLD) is a microfluidic technique where arrays of micropillars within a microchannel ... |
Article
Controllable production of Janus ligaments by AC fields in a flow‑focusing junction
(Springer, 2019)
We report the production of bicomponent Janus filaments of miscible aqueous fluids in a microfluidic electro-flow-focusing device ... |
Article
Combining DC and AC electric fields with deterministic lateral displacement for micro- And nano-particle separation
(American Institute of Physics, 2019)
This paper describes the behavior of particles in a deterministic lateral displacement (DLD) separation device with DC and ... |
Article |
Article
Electrorotation of semiconducting microspheres
(American Physical Society, 2019)
We study experimentally the electrorotation (ROT) of semiconducting microspheres. ZnO microspheres obtained by a hydrothermal ... |
Article
AC electrokinetic biased deterministic lateral displacement for tunable particle separation
(Royal Society of Chemistry, 2019)
We describe a novel particle separation technique that combines deterministic lateral displacement (DLD) with orthogonal ... |
Article
Modeling the AC Electrokinetic Behavior of Semiconducting Spheres
(MDPI, 2019)
We study theoretically the dielectrophoresis and electrorotation of a semiconducting microsphere immersed in an aqueous ... |
Presentation
Antonio Castellanos: a great scientist and a great man
(Universidad de Sevilla, 2018)
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Article
Droplet group production in an AC electro- flow focusing microdevice
(Springer, 2017)
We report the production of droplet groups with a controlled number of drops in a microfluidic electro-flow focusing device ... |
PhD Thesis
Manipulación eléctrica de micropartículas y nanopartículas metálicas inmersas en soluciones electrolíticas
(2016)
En el presente documento se muestran los resultados obtenidos a lo largo de cuatro años de trabajo en una línea de ... |
Article
AC electrified jets in a flow-focusing device: Jet length scaling
(AIP Publishing, 2016)
We use a microfluidic flow-focusing device with integrated electrodes for controlling the production of water-in-oil drops. ... |
Article
Breakup length of AC electrified jets in a microfluidic flow‑focusing junction
(Springer, 2015)
Electroactuation of liquid-liquid interfaces offers promising methods to actively modulate droplet formation in droplet-based ... |
Article
Numerical study of dc-biased ac-electrokinetic flow over symmetrical electrodes
(AIP Publishing, 2012)
This paper presents a numerical study of DC-biased AC-electrokinetic (DC-biased ACEK) flow over a pair of symmetrical ... |
Article
Microwave-induced water flow in a microchannel built on a coplanar waveguide
(AIP Publishing, 2011)
We present experimental and numerical investigations of water flow in a microsystem induced by microwave electric fields. ... |
Article
Experiments on pumping of liquids using arrays of microelectrodes subjected to travelling wave potentials
(IOP Publishing Ltd., 2008)
Net fluid flow of electrolytes driven on an array of microelectrodes subjected to a travelling-wave potential is presented. ... |
PhD Thesis
Flujos de electrolitos generados por microelectrodos sometidos a una onda de potencial viajera (Travelling-wave electrokinetic micropumps)
(2008)
La presente tesis doctoral trata sobre el uso de hileras de electrodos (electrode arrays) para el bombeo de electrolitos ... |
Article
Pumping of liquids with traveling-wave electroosmosis
(AIP Publishing, 2005)
Net flow of electrolyte induced by a traveling-wave electric potential applied to an array of microelectrodes is reported. ... |
Article
Avalanches in fine, cohesive powders
(American Physical Society, 2000)
We have investigated the onset of avalanches in fine, cohesive granular materials. In our experiments shear stress is ... |
Article
An automated apparatus for measuring the tensile strength and compressibility of fine cohesive powders
(American Institute of Physics, 2000)
This paper describes an apparatus based on a novel use of a powder bed, whereby the relationship between consolidation ... |
Patent
Dispositivo y procedimiento para medir la cohesión de medios granulares finos.
(Oficina Española de Patentes y Marcas , 1999)
Dispositivo y procedimiento para medir la cohesión de medios granulares finos. El objeto de la presente invención es un ... |
Article
On the breakup of slender liquid bridges: Experiments and a 1-D numerical analysis
(ScienceDirect, 1999)
Slender axisymmetric dielectric liquid bridges are made stable by the action of an axial electric field. In this paper, ... |
Article
Flow Regimes in Fine Cohesive Powders
(American Physical Society, 1999)
Granular materials exhibit several regimes of behavior: plastic, inertial, fluidized, and entrained flow, but not all ... |
Article
Stability of insulating viscous jets under axial electric fields
(ScienceDirect, 1997)
The stability spectrum for a jet of perfectly insulating, viscous liquid subjected to a longitudinal electric field is ... |
Article
The charged bouncing ball: An experimental model for period-doubling bifurcation
(IOP Publishing Ltd., 1997)
This paper presents an experimental and theoretical study of the dynamics of a conducting ball in a poorly conducting ... |
PhD Thesis |