Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: Jul 7, 2026

A Microfluidic-based Hydrodynamic Trap for Single Particles

A Microfluidic-based Hydrodynamic Trap for Single Particles

Published on: January 21, 2011

Eigenmodes of a hydrodynamically coupled micron-size multiple-particle ring.

R Di Leonardo¹, S Keen, J Leach

¹INFM-CRS SOFT, c/o Universitá di Roma La Sapienza, Rome, Italy.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|February 1, 2008

Summary

This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Resolution in Two-Photon Imaging: A Local Manifestation of Entanglement.

ACS photonics·2025

Same author

Optimising detector readout settings for the detection of spatial correlations between SPDC photon-pairs.

Scientific reports·2025

Same author

Extreme abiotics drive sediment biocomplexity along pH gradients in a shallow submarine volcanic vent.

Marine pollution bulletin·2024

Same author

High speed single pixel imaging using a microLED-on-CMOS light projector.

Optics express·2024

Same author

A comparison between the measurement of quantum spatial correlations using qCMOS photon-number resolving and electron multiplying CCD camera technologies.

Scientific reports·2024

Same author

Exploring atmospheric optical turbulence: observations across zenith angles.

Applied optics·2024

Researchers measured particle dynamics in optical tweezers, finding agreement between experimental data and Oseen theory for hydrodynamic coupling. This study advances understanding of microparticle interactions in confined geometries.

Area of Science:

Fluid dynamics
Soft matter physics
Optical physics

Background:

Hydrodynamic interactions significantly influence the collective motion of microparticles.
Understanding these interactions is crucial for applications in microfluidics and materials science.
Oseen theory provides a theoretical framework for describing fluid-mediated particle coupling.

Purpose of the Study:

To experimentally measure and theoretically analyze the eigenmodes and eigenvalues of a ring of particles in optical tweezers.
To validate Oseen theory for finite-sized particles in a 2D ring geometry.
To compare ring eigenmodes with those of a 1D periodic chain.

Main Methods:

Utilized a high-speed camera with centroid tracking for continuous particle position acquisition.

More Related Videos

Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations

Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations

Published on: August 21, 2018

Capillary-based Centrifugal Microfluidic Device for Size-controllable Formation of Monodisperse Microdroplets

Capillary-based Centrifugal Microfluidic Device for Size-controllable Formation of Monodisperse Microdroplets

Published on: February 22, 2016

Related Experiment Videos

Last Updated: Jul 7, 2026

A Microfluidic-based Hydrodynamic Trap for Single Particles

A Microfluidic-based Hydrodynamic Trap for Single Particles

Published on: January 21, 2011

Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations

Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations

Published on: August 21, 2018

Capillary-based Centrifugal Microfluidic Device for Size-controllable Formation of Monodisperse Microdroplets

Capillary-based Centrifugal Microfluidic Device for Size-controllable Formation of Monodisperse Microdroplets

Published on: February 22, 2016

Employed holographic optical tweezers to confine micron-sized particles in a ring formation.

Performed numerical predictions using Oseen theory for the 2D ring geometry.

Main Results:

Successfully measured characteristic decay rates (eigenvalues) of particle eigenmodes.
Demonstrated excellent agreement between experimental eigenvalues and Oseen theory predictions.
Identified conditions under which a 1D periodic chain model approximates ring dynamics.

Conclusions:

Experimental measurements of hydrodynamic coupling in a particle ring align well with Oseen theory.
The study validates theoretical models for microparticle interactions in confined systems.
Provides insights into the applicability of simplified models for complex particle arrangements.