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Content archived on 2024-06-18

Needle-free injection with supersonic microjets

Objective

When focusing a laser pulse in a liquid, a vapor bubble can instantaneously (< 1μs) be produced.
We have generated such vapor bubbles in a liquid-filled coated micro-capillary (diameter
≈ 50μm). Remarkably, in about one microsecond after vapor bubble formation, an ultra-high-speed, ultra-sharp, focused liquid micro-jet emerged out of the meniscus at the end of the micro-capillary.
Even with laser pulse energies comparable to those used in laser-pointers, we have reached spectacular supersonic velocities up to 800 m/s. The diameter of the jets was a few micrometers, more than 10 times smaller than the diameter of the micro-capillary. These supersonic ultra-sharp microjets have tremendous application perspectives for needle-free injection of vaccines and drugs for both humans and animals. The objective of this proposal is to verify the innovation potential of this idea.

Fields of science (EuroSciVoc)

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Call for proposal

ERC-2011-PoC
See other projects for this call

Host institution

UNIVERSITEIT TWENTE
EU contribution
€ 149 999,40
Address
DRIENERLOLAAN 5
7522 NB Enschede
Netherlands

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Region
Oost-Nederland Overijssel Twente
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data

Beneficiaries (1)

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