It actually sort of hurt to take off. It was hard to tell if I could see a difference right away because of the large circle around the pimple from the patch, which sort of inflamed the area ...
This microneedle patch could someday replace a needle for delivering COVID-19 vaccines. Image may only be used with credit shown.
The thrombin-responsive microneedle patch is made of heparin-modified hyaluronic acid. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!
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