Sandra Banack at Brain Chemistry Labs (IMAGE) Brain Chemistry Labs Caption Dr. Sandra Banack uses nanoparticle analyzer to study brain exosomes at the Brain Chemistry Labs, Jackson HLoe. Credit Paul Alan Cox Usage Restrictions Unrestricted license for use by journalists by Brain Chemistry Labs. 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.