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June 13th, 2014 at 10:20 am

Heptagon Acoustic Tweezer repairs damaged nerves

acoustictweezer

Miniaturized ultrasonic device capable of capturing and moving single cells and tiny living creatures.

University of Glasgow researchers have devised a Heptagon Acoustic Tweezer which makes use of resonance for manipulating matter. This sonic tweezer uses acoustic force to build cell matrices with the possibility of repairing injured nerves.

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With the help of this technique, the team including researcher Dr Anne Bernassau, Lord Kelvin Adam Smith Fellow in Sensor Systems, was in a position to manipulate cells into complex patterns that he termed a “cell tartan”.

This method entails creation of a standing wave that can apply physical force. By employing acoustic tweezers, which involves using two standing waves, the researchers were able to accomplish a satisfactory level of control with least acoustic pressure.

The technique has so far yielded positive results when tested in a lab setting in two dimensions.

The team in the research paper explained, “We have shown that the acoustic tweezer is capable of trapping cells at predetermined positions and, by using the ability to switch phase, and operate different sets of transducers, we can generate complex cellular patterns.”

The team further elucidated,”Compared to other methods such as laser guided direct writing, the new device has the advantage of being small, electronically controlled, flexible in the patterning and can be easily integrated with standard microscopy equipment.”

Via Delhi Daily News

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