Picture of 'Breast on-a-chip' Model (IMAGE) Purdue University Caption Purdue researchers' new model for breast cancer research, called "breast on-a-chip," mimics the branching mammary duct system. Credit Purdue University/Leary laboratory - Reproduced by permission of The Royal Society of Chemistry Usage Restrictions None 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.