Biosensors are essential tools in health care, with applications ranging from disease diagnosis and infectious disease testing to cancer biomarker detection and genetic analysis. Among them, optical ...

Drawing inspiration from our gut protection mechanisms, researchers have engineered a new type of sensor to monitor substances over long stretches - measuring reactions for up to a week after being ...

The printed circuit board used in the saliva-based biosensor, which can detect breast cancer biomarkers from extremely small saliva samples in about five seconds, costs about $5. The design uses ...

Schematic of a generic biosensor architecture. The target analyte interacts with an immobilized bioreceptor layer, and the resulting molecular recognition event is translated by a physico-chemical ...

The biosensor that can quickly identify a protein whose altered levels are associated with psychiatric disorders costs US$2.19 per unit. Disclaimer: AAAS and EurekAlert! are not responsible for the ...