Health
No More Needles for Diagnostic Tests? – Technology Networks
Nearly pain-free microneedle patch can test for antibodies and more in the fluid between cells.
Blood draws are no fun.
They hurt. Veins can burst, or even roll — like they’re trying to avoid the needle, too.
Oftentimes, doctors use blood samples to check for biomarkers of disease: antibodies that signal a viral or bacterial infection, such as SARS-CoV-2, the virus responsible for COVID-19; or cytokines indicative of inflammation seen in conditions such as rheumatoid arthritis and sepsis.
These biomarkers aren’t just in blood, though. They can also be found in the dense liquid medium that…
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