Blood pressure e-tattoo promises continuous, mobile monitoring

Blood pressure is one of the most important indicators of heart health, but it's tough to frequently and reliably measure outside of a clinical setting. For decades, cuff-based devices that constrict around the arm to give ...

Bacterial soundtracks revealed by graphene membrane

Have you ever wondered if bacteria make distinctive sounds? If we could listen to bacteria, we would be able to know whether they are alive or not. When bacteria are killed using an antibiotic, those sounds would stop—unless ...

Chemists use DNA to build the world's tiniest antenna

Researchers at Université de Montréal have created a nanoantenna to monitor the motions of proteins. Reported this week in Nature Methods, the device is a new method to monitor the structural change of proteins over time—and ...

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