News From the Field
Nano fiber feels forces and hears sounds made by cells
May 15, 2017
Engineers at the University of California, San Diego, have developed a miniature device that's sensitive enough to feel the forces generated by swimming bacteria and hear the beating of heart muscle cells. The device is a nano-sized optical fiber that detects forces down to 160 femtonewtons and sound levels down to -30 decibels. Applications include measuring bioactivity at the single-cell level, or ultrasensitive mini stethoscopes to monitor cellular acoustics in vivo.
University of California, San Diego
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