A closer look at the science
behind better healthcare.
Electrical signals, tiny detectors, and the engineering that connects the body to a measurement.
40 articles
Clear filtersA continuous glucose monitor estimates glucose from fluid between cells using a small sensor, then sends readings to a display. Its frequent measurements reveal trends, while sensor-fluid timing and model-specific checks matter.
A pacemaker responds to electrical signals, yet a nearby magnet can alter how some implanted devices behave. The key is a designed magnetic switch, which can temporarily change a device’s operating mode.
A sensor that performs well on a bench may behave differently on a moving body, in a noisy room, or during everyday use. Testing in the intended setting checks whether its measurements remain useful amid real conditions and constraints.
A biosensor turns a biological interaction into a usable signal, but reliable readings depend on the whole chain: recognition, conversion, calibration, interpretation, and communication.
