DataChip (IMAGE) Rensselaer Polytechnic Institute Caption Human liver cells are dotted across the new DataChip to quickly determine if various chemicals, drugs, and drug candidates are toxic. When coupled with the MetaChip, the two biochips could provide a highly predictive alternative to animal testing. Credit Moo-Yeal Lee/Rensselaer Polytechnic Institute Usage Restrictions Please attribute. 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.