Christof Grewer, Binghamton University (IMAGE) Binghamton University Caption Binghamton University researcher Christof Grewer thinks he has an important brain transport protein -- glutamate transporter -- figured out and he's taking aim with lasers. Credit Jonathan Cohen 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.