Penn State University researchers have built a dual-gated graphene sensor that operates reliably in liquid environments, achieving up to 20 times greater signal sensitivity and 15 times less signal ...

(MENAFN- EIN Presswire) EINPresswire/ -- Accurate detection of ethanol at extremely low concentrations is essential for applications ranging from industrial safety to health monitoring, yet existing ...

For all electrically conductive Fluid or liquid level measurement, this single-chip circuit is very compact and simple. This circuit is a voltage level sensor encouraged the AC bias supply for the ...