News for Healthier Living

Seeing Urea in Color: A New Way to Detect Disease at a Glance

A team of researchers has developed a new biosensor that turns the invisible signals into visible color changes to detect urea levels in a simple way. The sensor works by combining gold nanoparticles and a pH-controlled reaction, with a special chemical reaction that changes color depending on the amount of urea.

July 29, 2025


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