Diagram of BLI-ISA (IMAGE) University of California - Santa Cruz Caption A new serological assay for measuring antibody levels in blood samples, called biolayer interferometry immunosorbent assay (BLI-ISA), provides complete quantitative results in less than 20 minutes. Credit Rebecca DuBois Usage Restrictions For use only with news coverage of this research 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.