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Ultrasonic ‘hands’ can grip microparticles

Could provide new tools to study cells which could help biologists or medics perform a variety of delicate tasks such as sorting or assembling cells



Microplastics make marine worms sick

Tiny bits of plastic rubbish could spell big trouble for marine life, starting with the worms, say a team of researchers from the University of Exeter and Plymouth University who report their evidence in a pair of studies in the Cell Press journal Current Biology.



Microparticles can be captured

To trap and hold tiny microparticles, engineers at Harvard have "put a ring on it," using a silicon-based circular resonator to confine particles stably for up to several minutes.



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