Cell and protein patterning (IMAGE) University of California - Berkeley Caption University of California, Berkeley, researchers have created a new technique that utilizes photolithography and programmable DNA to rapidly "print" two-dimensional arrays of cells and proteins that mimic a wide variety of cellular environments in the body. Credit (UC Berkeley graphic by Olivia Scheideler) Usage Restrictions with credit License Licensed 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.