Sensors

A novel type of tilt sensor may extend the capabilities of ultrasonic devices already used in a range of applications

Microstructures made of adjoining semiconductor disks could lead to powerful nanoscale sensors

Transistors made from graphene nanoribbons make efficient magnetic field sensors

Hollow optical fibers containing light-emitting liquids hold big promises for biological sensing applications

Molecular sensors based on nanoholes in metallic films are shown to be ideal for medical diagnosis

Ultrasmall silicon wires could detect subtle changes in estrogen receptor-binding DNA sequences that are implicated in breast cancer

A highly specific electronic sensor array detects messenger RNA below femtomolar concentrations

A recently developed wireless heart sensor can continuously monitor and broadcast data for a week on a single battery charge

A sensor made from silicon nanowires could warn doctors when a patient is at risk of a heart attack