A $2 gold nanotech test that detects deadly diseases in minutes

Arizona State University scientists have unveiled NasRED, a revolutionary one-drop blood test that can detect diseases like COVID-19, Ebola, HIV, and Lyme with incredible speed and precision. Using gold nanoparticles to spot microscopic disease markers, the device delivers results in just 15 minutes-outperforming traditional lab tests in sensitivity, speed, and affordability. Portable and costing only $2 per test, it could be deployed from remote clinics to urban hospitals, offering a lifeline f...