Acoustically patterned particles (IMAGE) University of Rochester Caption A closeup of particles acoustically patterned in an ultrasound standing wave field, photographed in the laboratory of Diane Dalecki, the Kevin J. Parker Distinguished Professor in Biomedical Engineering and director of the Rochester Center for Biomedical Ultrasound. Credit University of Rochester photo / J. Adam Fenster Usage Restrictions N/A License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.