Tiny motors controlled inside human cell
Date published: 23rd February 2014
The advance represents another step towards molecular machines that can be used, for example, to release drugs into specific locations within the body.
There is interest in the approach because it could enhance the benefits of drugs while minimising side effects.
The rocket-shaped metal particles were propelled using ultrasound pulses.
Materials scientist Prof Tom Mallouk, from Penn State University, and colleagues have published their research in the journal Angewandte Chemie International Edition.
"As these nanomotors move around and bump into structures inside the cells, the live cells show internal mechanical responses that no one has seen before," said Prof Mallouk.
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