MacMillan Group, Princeton University (IMAGE) Princeton University Caption Lighting up the micro-environment: Princeton University's MacMillan Group developed a new technology called μMap that identifies proteins' nearest neighbors on cell surfaces. Credit C. Todd Reichart, Princeton University Department of Chemistry Usage Restrictions Editorial use only 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.