DNA Strand is Removed from the Gold Surface (image) University of Basel Share Print E-Mail Caption At low temperatures, a DNA strand is removed from the gold surface using the tip of an atomic force microscope. In the process, physical parameters such as elasticity and binding properties can be determined. Credit Image: University of Basel, Department of Physics Usage Restrictions With current release only Share Print E-Mail 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.