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BioE undergraduates develop MicroJet device for "ouchless" injections

MicroJet BioE senior Laleh Jalilian will go to medical school to become a doctor or medical researcher. Fellow BioE senior Marcio von Muhlen (whose parents are doctors) will go to graduate school to become a bioengineering researcher. So it's no wonder that, for the last couple years, the two have been working in the lab on a medical device.

Dubbed the MicroJet injector, the device functions as a hypodermic needle, but without the pain. The secret? Microjet uses a piezoelectric actuator to propel liquid at 140 meters per second, or about 315 miles per hour, through the skin without touching it. Instead of forcing liquid into deeper and more sensitive layers of the skin, the Microjet deposits it just under the skin's surface.
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