Bioelectric pattern on breast tumor cells (IMAGE) Tufts University Caption Breast tumor cells with a dye that indicates the electrical potential of the cells. Credit Madeleine Oudin, Tufts University 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.