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Electrospraying is a widely-used technique for generating microspherical droplets in biomedical and chemical applications and considered as an effective approach for the deposition on substrate. However, studies on effects of controllable…

Applied Physics · Physics 2018-09-27 Zhuoying Jiang , Xiong Yu

We present numerical analyses of 2-D electrohydrodynamic (EHD) flows of a dielectric liquid between a wire electrode and two plate electrodes with a Poiseuille flow, using direct numerical simulation and global stability analysis. Both…

Fluid Dynamics · Physics 2023-07-19 Xuerao He , Pedro A. Vázquez , Mengqi Zhang

In this work, we introduce the novel technique of in-chip drop on demand, which consists in dispensing picoliter to nanoliter drops on demand directly in the liquid-filled channels of a polymer microfluidic chip, at frequencies up to 2.5…

Quantitative Methods · Quantitative Biology 2009-12-16 Jie Xu , Daniel Attinger

In this paper we present a comprehensive study of the step-emulsification process for high-throughput production of (sub-)$\mu$m-size monodisperse droplets. The microfluidic device combines a Hele-Shaw nanofluidic cell with a step-like…

Fluid Dynamics · Physics 2014-05-15 Z. Li , A. M. Leshansky , L. M. Pismen , P. Tabeling

Droplet generation under steady conditions is a common microfluidic method for producing biphasic systems. However, this process works only over a limited range of imposed pressure: beyond a critical value, a stable liquid jet can instead…

Biological systems achieve adaptive mechanical responses through reaction-diffusion processes that couple chemical wave propagation to structural transitions. Although synthetic hydrogels with enzymatic reactions offer a platform for…

Soft Condensed Matter · Physics 2026-03-31 Natascha Gray , Zoe Grämiger , André R. Studart , Rafael Libanori

Electrohydrodynamic (EHD) thrust is produced when ionized fluid is accelerated in an electric field due to the momentum transfer between the charged species and neutral molecules. We extend the previously reported analytical model that…

Plasma Physics · Physics 2020-10-22 Ravi Sankar Vaddi , Yifei Guan , Alexander Mamishev , Igor Novosselov

We show a novel way of generating electrohydrodynamic motion inside a droplet under AC electrowetting. Using a very low applied voltage (10<V) strong electrothermal motion can be generated in the droplet. Alternating current electrothermal…

Fluid Dynamics · Physics 2018-09-14 Golak Kunti , Anandaroop Bhattacharya , Suman Chakraborty

We reported an electro-hydrodynamic shooting phenomenon of liquid metal stream. A small voltage direct current electric field would induce ejection of liquid metal inside capillary tube and then shooting into sodium hydroxide solution to…

Fluid Dynamics · Physics 2015-06-22 Wen-Qiang Fang , Zhi-Zhu He , Jing Liu

A theoretical exploration and an analytical model for the electro-magneto-hydrodynamics (EMHD) of leaky dielectric liquid droplets, suspended in an immiscible confined fluid domain has been presented. The analytical solution for the system,…

Fluid Dynamics · Physics 2023-05-03 Pulak Gupta , Purbarun Dhar , Devranjan Samanta

We present an indirect signal processing-based measurement method for biological quantities in humans that cannot be directly measured. We develop the method by focusing on estimating hepatic enzyme and drug transporter activity through…

Quantitative Methods · Quantitative Biology 2021-01-01 Yoko Franchetti , Thomas D. Nolin , Franz Franchetti

Ultrasound-vaporizable microdroplets can be exploited for targeted drug delivery. However, it requires customized microfluidic techniques able to produce monodisperse, capillary-sized and biocompatible multiple emulsions. Recent development…

Soft Condensed Matter · Physics 2019-12-17 E. Teston , V. Hingot , V. Faugeras , C. Errico , M. Bezagu , M. Tanter , O. Couture

Extracellular vesicles (EVs) and plasma membrane-derived exosome-mimetic nanovesicles demonstrate significant potential for drug delivery. Latter synthetic provides higher throughput over physiological EVs. However they face size-stability…

Biological Physics · Physics 2023-12-07 Maryam Sanaee , K. Göran Ronquist , Jane M. Morrell , Muhammet S. Toprak , Katia Gallo

Electrohydrodynamic 3D printing is an additive manufacturing technique with enormous potential in plasmonics, microelectronics, and sensing applications, thanks to its broad materials palette, high voxel deposition rate, and compatibility…

Fluid Dynamics · Physics 2023-08-17 Maxence Menétrey , Lukáš Zezulka , Pascal Fandré , Fabian Schmid , Ralph Spolenak

The production of monodisperse particles or droplets is a longstanding issue across various fields, from aerosol science to inkjet printing. In bioengineering, submillimeter cell laden hydrogel capsules have proven valuable for developing…

Fluid Dynamics · Physics 2025-03-28 Lucas Suire , Anirban Jana , Pierre Nassoy , Amaury Badon

Droplet microlasers, as promising tools for biophotonics and biomedical sciences, have witnessed rapid advances due to their flexible reconfigurability, high sensitivity to stimuli, and label-free biosensing ability. However, designing…

Drug-loaded hydrogels provide a means to deliver pharmaceutical agents to specific sites within the body at a controlled rate. The aim of this paper is to understand how controlled drug release can be achieved by tuning the initial…

Optimization and Control · Mathematics 2022-02-07 Matthew J. Penn , Matthew G. Hennessy

In this investigation, the numerical simulation of electrohydrodynamic (EHD) ion-drag micropumps with micropillar electrode geometries have been performed. The effect of micropillar height and electrode spacing on the performance of the…

General Physics · Physics 2008-01-08 C. K. Lee , A. J. Robinson , C. Y. Ching

This work focuses on the fabrication and use of a Biological Micro-ElectroMechanical System (BioMEMS) for TeraHertz (THz) detection and characterization of enzymatic catalysis reactions. The fluidic microdevice was fabricated using…

We present for the first time an experimental investigation of electrohydrodynamic (EHD) flows within a neutrally buoyant drop with initial radius of 2.25 mm. Utilizing particle image velocimetry (PIV) and high-speed shadowgraphy, we…

Fluid Dynamics · Physics 2025-02-19 Joel R. Karp , Bertrand Lecordier , Mostafa S. Shadloo