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HomeHighlights3D Printed Patch to Combat COVID-19

3D Printed Patch to Combat COVID-19

20 October 2021: There has been a collaboration between scientists from Stanford University and the University of North Carolina at Chapel Hill. The team of researchers has developed a 3D-printed vaccine patch that is capable of providing greater viral protection when compared to a traditional vaccine shot administered via syringe.

Due to the skin’s vast immune cells, applying the vaccine patch directly to the skin allows for improved immune response. The team of microbiologists and chemical engineers are innovating existing RNA vaccines, like the Pfizer and Moderna COVID-19 vaccines, using microneedle patches.

The researchers used 3D-printed microneedles, lined up on a polymer patch that penetrates the surface of the skin just enough to deliver the vaccine. With the use of 3D printing, the microneedles can be customized to develop a myriad of vaccine patches for illnesses such as flu, measles, hepatitis or COVID-19.

The results from the study show the vaccine patch caused a significant response from T-cells and antigen-specific antibodies which was 50 times greater than a traditional injection delivered under the skin. Furthermore, the 3D-printed vaccine patches do not require cold storage and circumvent the hurdle of needle-training professionals to administer vaccine shots.

“Our approach allows us to directly 3D print the microneedles which gives us lots of design latitude for making the best microneedles from a performance and cost point-of-view,” explained lead study author Shaomin Tian, a researcher in the Department of Microbiology and Immunology in the UNC School of Medicine.

The microneedles were created at the University of North Carolina at Chapel Hill using a CLIP prototype 3D printer that DeSimone invented and is produced by CARBON, a Silicon Valley company where he is also a co-founder.

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