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 Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Radiologic and immunohistochemical correlates of cavitary pulmonary mycobacterial infection: A comparative study of tuberculosis and nontuberculous mycobacteria.

Journal of microbiology, immunology, and infection = Wei mian yu gan ran za zhi·2026
Same author

Eosinophil-derived interleukin-24 compromises epithelial integrity and aggravates airway remodeling in mouse models of allergic asthma.

Nature communications·2025
Same author

Jet Nebulization During Mechanical Ventilation: Mass Balance Analysis.

Respiratory care·2025
Same author

Self-assembled human arteriole-on-a-chip for arterial functionality testing and disease modeling.

Lab on a chip·2025
Same author

Targeting IL-20 alleviates inflammatory mechanical allodynia and reduces epidural fibrosis in post-laminectomy syndrome rat model.

International immunopharmacology·2024
Same author

High-Flow Nasal Aerosol Therapy; Regional Aerosol Deposition and Airway Responsiveness.

Journal of aerosol medicine and pulmonary drug delivery·2024

Related Experiment Video

Updated: Feb 16, 2026

Fluorescence detection methods for microfluidic droplet platforms
14:16

Fluorescence detection methods for microfluidic droplet platforms

Published on: December 10, 2011

22.9K

Faraday Waves-Based Integrated Ultrasonic Micro-Droplet Generator and Applications.

Chen S Tsai1, Rong W Mao1, Shirley C Tsai2

  • 1Department of Electrical Engineering and Computer Science, University of California, Irvine, CA 92697, USA.

Micromachines
|December 19, 2017
PubMed
Summary

A novel ultrasonic micro-droplet generator using megahertz Faraday waves offers controllable micro-droplet production with low power. This clogging-free device shows promise for efficient inhalation drug delivery and medical applications.

Keywords:
Faraday instabilityFaraday wavesMFH ultrasonic nozzleclogging freeintegrated ultrasonic nebulizermonodispersemultiple Fourier horns (MFH)onset threshold for droplet ejectionpolydispersepulmonary (inhalation) drug deliveryultrasonic micro droplet generatorultrasonic nebulizer

More Related Videos

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics
12:26

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics

Published on: August 27, 2013

18.0K
Assembly and Characterization of an External Driver for the Generation of Sub-Kilohertz Oscillatory Flow in Microchannels
08:32

Assembly and Characterization of an External Driver for the Generation of Sub-Kilohertz Oscillatory Flow in Microchannels

Published on: January 28, 2022

2.8K

Related Experiment Videos

Last Updated: Feb 16, 2026

Fluorescence detection methods for microfluidic droplet platforms
14:16

Fluorescence detection methods for microfluidic droplet platforms

Published on: December 10, 2011

22.9K
Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics
12:26

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics

Published on: August 27, 2013

18.0K
Assembly and Characterization of an External Driver for the Generation of Sub-Kilohertz Oscillatory Flow in Microchannels
08:32

Assembly and Characterization of an External Driver for the Generation of Sub-Kilohertz Oscillatory Flow in Microchannels

Published on: January 28, 2022

2.8K

Area of Science:

  • Engineering
  • Physics
  • Materials Science

Background:

  • Current commercial droplet generators (nebulizers) have significant deficiencies.
  • Existing ultrasonic droplet generators lack efficiency and control.
  • Need for advanced micro-droplet generation technology for precise applications.

Purpose of the Study:

  • To present a new ultrasonic micro-droplet generator utilizing megahertz Faraday waves.
  • To detail the design, working principle, and fabrication of silicon-based multiple Fourier horn ultrasonic nozzles (MFHUNs).
  • To explore the potential applications of this novel droplet generator, particularly in inhalation drug delivery.

Main Methods:

  • Development and characterization of silicon-based multiple Fourier horn ultrasonic nozzles (MFHUNs).
  • Application of a linear theory to understand Faraday wave dynamics and droplet ejection.
  • Experimental verification of theoretical predictions for droplet size and ejection thresholds.

Main Results:

  • Demonstrated capability for producing micro droplets with controllable size and distribution.
  • Achieved desirable throughput at very low electrical drive power.
  • Successful nebulization of pulmonary medicines and experimental antidote solutions.

Conclusions:

  • The new MFHUN-based micro-droplet generator is efficient, controllable, and pocket-sized.
  • The device is clogging-free and operates at low power, overcoming limitations of existing technologies.
  • Significant potential for imminent application in inhalation drug delivery and other medical treatments.