Copper in Cancer Cell (IMAGE) Bielefeld University Caption The new agent containing copper (above) 'docks' precisely with the DNA molecule (below) of a cancer cell and stops it from growing. As a result, the cancer cell dies. Credit Photo: Bielefeld University Usage Restrictions The image may only be used with appropriate caption or 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.