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Updated: Jun 4, 2026

Shock Wave Application to Cell Cultures

Shock Wave Application to Cell Cultures

Published on: April 8, 2014

Needleless vaccine delivery using micro-shock waves.

Gopalan Jagadeesh¹, G Divya Prakash, S G Rakesh

¹Department of Aerospace Engineering, Indian Institute of Science, Bangalore 560012, India. jaggie@aero.iisc.ernet.in

Clinical and Vaccine Immunology : CVI

|February 11, 2011

Summary

This study introduces a novel needleless vaccine delivery system using micro-shock waves for effective and safe vaccination. The device achieves better immune response with a lower dose compared to traditional methods.

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Area of Science:

Biomedical Engineering
Immunology
Nanotechnology

Background:

Needle-free vaccine delivery aims for painless, safe administration.
Epidermal delivery targets Langerhans cells for optimal immune response.
Existing needle-free devices face challenges in safety and patient comfort.

Purpose of the Study:

To develop and evaluate a novel needleless vaccine delivery system using micro-shock waves.
To assess the efficacy of this system for epidermal vaccine delivery.
To compare its effectiveness against other vaccination routes.

Main Methods:

Development of a needleless device utilizing micro-shock wave-generated mechanical impulse.
Confirmation of liquid jet formation using high-speed microscopy.
Assessment of skin penetration using confocal microscopy in gel and mouse models.
Vaccination in a murine salmonellosis model with Salmonella enterica serovar Typhimurium vaccine.

Main Results:

The micro-shock wave device successfully created a liquid jet for vaccine delivery.
Penetration depth was controlled to <100 μm for painless vaccination.
Vaccination via the micro-shock wave device showed superior protection and IgG response compared to other routes.
Effective vaccination was achieved with a 10-fold lower vaccine dose.

Conclusions:

The novel micro-shock wave needleless device offers an effective, safe, and potentially cheaper alternative for vaccination.
This technology enables efficient epidermal delivery, targeting Langerhans cells.
The system demonstrates potential for widespread use in public health vaccination programs.