SIMBAS Photo (IMAGE) University of California - Berkeley Caption This is a photograph of the stand alone 1x2 inch SIMBAS chip simultaneously processing five separate whole-blood samples by separating the plasma from the blood cells and detecting the presence of biotin, or vitamin B7. Credit Ivan Dimov photo Usage Restrictions All rights reserved. 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.