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Acoustic Tweezers Grab Cells With Sound, Penn State University Study  
7/9/2012 8:00:44 AM

A device about the size of a dime can manipulate living materials—including blood cells and entire small organisms—by using sound waves instead of touch. The device, called acoustic tweezers, is the first touchless technology capable of trapping and manipulating Caenorhabditis elegans (C. elegans), a one millimeter long roundworm that is an important model system for studying diseases and development in humans
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