Rafael Davalos, Virginia Tech (IMAGE) Virginia Tech Caption Researchers from the Virginia Tech-Wake Forest University School of Biomedical Engineering and Sciences, including Rafael Davalos, above, described in their article that they have created "a tool for blood-barrier-brain disruption that uses bursts of sub-microsecond bipolar pulses to enhance the transfer of large molecules to the brain." Credit Virginia Tech 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.