Particle Trap (image) Yale University Caption Scientists were able to trap a single particle between four microelectrodes, paving the way for a faster and cheaper way to sequence DNA. Credit Weihua Guan and Mark Reed/Yale University Usage Restrictions With credit given. 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.