Researchers have developed a new sensor technology can determine what's in a person's blood in minutes of a fingerprint touch as simple as the one found on many smartphones -- with no needle needed.
Nov. 15, 2022 -- The blood test is one of the most common medical labs performed to understand what is going on with a person's health. But the test requires taking blood with a needle, which only trained health care professionals can do before sending the sample off to a lab for analysis.
With funding from the National Science Foundation, researchers from Stanford University and the University of California at Los Angeles developed a hydrogel-coated chemical biosensor that collects molecules on a person's skin that are released through sweat. By analyzing these molecules, the biosensor can detect hormones, nutrients, medications, and metabolites in an individual's blood.
This technology may one day be used to check a person's medication levels or monitor blood sugar. It could also be used to for drug testing or to replace a breathalyzer to stop people from driving while intoxicated.
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