Neurons Labeled with Quantum Dots (IMAGE) Vanderbilt University Caption This is a microphotograph of neurons with their serotonin transporter protein labeled with red quantum dots. Credit Jerry Chang, Vanderbilt 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.