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Home NEWS Science News Biology

Ultra ultrasound to transform new tech

Bioengineer by Bioengineer
January 16, 2019
in Biology
Reading Time: 2 mins read
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World first experiments on sensor that may revolutionise everything from medical devices to unmanned vehicles

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Credit: University of Queensland


The new sensor – capable of detecting vibrations of living cells – may revolutionise everything from medical devices to unmanned vehicles.
World first experiments at the University of Queensland have combined modern nanofabrication and nanophotonics techniques to build the first ultraprecise ultrasound sensors on a silicon chip.

According to lead author Dr Sahar Basiri-Esfahani, a Sêr Cymru II Fellow at Swansea University, the impressive accuracy of the technology may change how we understand biology.

“We’ll soon have the ability to listen to the sound emitted by living bacteria and cells,” she said.

“This is a particularly attractive application, as it could fundamentally improve our understanding of how these small biological systems function,”
“And a deeper understanding of these biological systems may lead to new treatments, so we’re looking forward to seeing what future applications emerge.” Dr Basiri-Esfahani said.

Professor Warwick Bowen, from UQ’s Precision Sensing Initiative and the Australian Centre for Engineered Quantum Systems said that the leap forward may usher in a host of exciting new technologies.
“This is a major step forward, since accurate ultrasound measurement is critical for a range of applications,” he said.
“Ultrasound is currently used for medical ultrasound, commonly to examine pregnant women, as well as for high resolution biomedical imaging to detect tumours and other anomalies.
“It’s also commonly used for spatial applications, like in the sonar imaging of underwater objects or in the navigation of unmanned aerial vehicles.
“Improving these applications requires smaller higher precision sensors, and with this new technique, that’s exactly what we’ve been able to develop.”

The new ultrasound-sensing technology, for the first time, reaches the regime where its noise is dominated by the random miniscule forces from surrounding air molecules.
“We’ve developed a near perfect ultrasound detector, hitting the limits of what the technology is actually capable of achieving,” Professor Bowen said.
“We’re now able to measure ultrasound waves that apply tiny forces – comparable to the gravitational force on a virus – and we can do this with sensors smaller than a millimetre across.”

###

The research was supported by the Australian Research Council, the European Union’s Horizon 2020 research and innovation programme (Marie Sk?odowska-Curie Actions COFUND), the Welsh Government through the European Regional Development Fund (Sêr Cymru Programme), and the United States Air Force Office of Scientific Research.

Media Contact
Delyth Purchase
[email protected]
01-792-513-022

Original Source

https://www.swansea.ac.uk/press-office/latest-research/ultraultrasoundtotransformnewtech.php

Related Journal Article

http://dx.doi.org/10.1038/s41467-018-08038-4

Tags: BiotechnologyChemistry/Physics/Materials SciencesNanotechnology/Micromachines
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