Cell Uptake (IMAGE) Duke University Caption The cells in this image have turned fluorescent pink, showing that the new drug delivery system results in high cellular uptake after being irradiated by near infrared light. Credit Jennifer West, Duke University 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.