Trapped bacteria (IMAGE) Optica Caption Researchers report that laser-based optical traps can be used to control biofilm formation. They found that using lasers at different wavelengths can be used to stimulate and suppress biofilm growth. Credit Anna Bezryadina, California State University Northridge Usage Restrictions None 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.