Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Gravity-driven microfluidic particle sorting device with hydrodynamic separation amplification.

Dongeun Huh1, Joong Hwan Bahng, Yibo Ling

  • 1Department of Biomedical Engineering, Department of Radiology, University of Michigan, Ann Arbor, Michigan 48109, USA.

Analytical Chemistry
|February 15, 2007
PubMed
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

Quantification of Histotripsy Dosage Using Machine Learning-Enhanced Ultrasound Imaging Analysis: Correlation with Histological Outcomes.

Academic radiology·2026
Same author

Accuracy and bias of high-frequency ultrasonography in measuring white spot lesion depth: an in-vitro comparison with micro-CT.

Clinical oral investigations·2026
Same author

Real-time drug release monitoring from acoustically responsive scaffolds.

Ultrasonics sonochemistry·2026
Same author

Automated Ultrasound-Based Analysis of Urethral Kinematics in Stress Urinary Incontinence: A Pilot Study.

Neurourology and urodynamics·2026
Same author

Statistical modeling of blood and tissue signatures using ultrasonic color flow imaging.

Biomedical physics & engineering express·2026
Same author

Innovations in microsurgery: The role of non-invasive blood perfusion imaging-A review and framework.

Clinical advances in periodontics·2026
Same journal

Strain-Level Food Surveillance of <i>Escherichia coli</i> Using a Specific-Nonspecific Hybrid Sensor Array Strategy.

Analytical chemistry·2026
Same journal

A Field-Portable Fe(IV)-Mediated Competitive Quenching Chemiluminescence Platform with a Synchronous Y-Shaped Flow-through Cell for Broad-Spectrum Quantification of Volatile Phenols.

Analytical chemistry·2026
Same journal

Single-Molecule Characterization of CRISPR-Cas12a for Amplification-Free Genetic Testing.

Analytical chemistry·2026
Same journal

Integrated Acoustofluidic Manipulation and Oscillation-Stabilized Magnetic Relaxation Biosensing for <i>Salmonella</i> Detection.

Analytical chemistry·2026
Same journal

A Self-Powered Sensing Platform Based on the Janus Heterostructure for Machine Learning-Assisted Dual-Mode Detection of 17β-Estradiol.

Analytical chemistry·2026
Same journal

Large Language Model-Generated Dietary Metabolite Biomarker Database Drives Deep Annotation of the Human Diet Metabolome.

Analytical chemistry·2026
See all related articles

This study presents a simple microfluidic system for rapid, high-purity particle separation based on size and mass. The pump-free device uses gravity and hydrodynamic flows for efficient separation, with applications in biomedical imaging and diagnostics.

Area of Science:

  • Microfluidics
  • Particle Separation
  • Biomedical Engineering

Background:

  • Traditional particle separation methods can be complex and time-consuming.
  • Accurate size profiling and mass-dependent separation are crucial for various applications, including biomedical imaging and diagnostics.

Purpose of the Study:

  • To develop a simple, pump-free microfluidic system for rapid and high-purity particle separation.
  • To demonstrate the system's capability for size profiling and mass-dependent separation.
  • To showcase biomedical applications, such as isolating perfluorocarbon droplets for medical imaging.

Main Methods:

  • Fabrication of a microfluidic device in poly(dimethylsiloxane).
  • Utilizing gravity-driven hydrodynamic focusing and flow in a widening microchannel for particle separation.

Related Experiment Videos

  • Theoretical and experimental studies on fluid dynamics and hydrodynamic amplification of separation.
  • Demonstration using polystyrene microbeads and perfluorocarbon liquid droplets.

    • Main Results:

    • Achieved rapid (<1 min) and high-purity (>99.9%) separation of particles based on size and mass.
    • Demonstrated successful isolation of small perfluorocarbon liquid droplets (<6 micrometers).
    • Validated the system's ability to perform real-time size monitoring and continuous separation.

    Conclusions:

    • The developed microfluidic system offers a straightforward, efficient, and pump-free method for particle separation.
    • The technology has potential applications in colloid and particle separation, cell separation, and point-of-care diagnostics.
    • The system's simplicity and effectiveness make it a valuable tool for diverse analytical and preparative tasks.