Synthetic Vaccine Complex (IMAGE) Arizona State University Caption The Biodesign research team tethered onto separate pyramid-shaped and branched DNA structures (shown in green) a model immune stimulating protein called streptavidin (STV, shown in red) and immune response boosting compound called an adjuvant (CpG oligo-deoxynucletides, shown in purple) to make their synthetic vaccine complexes. Credit Biodesign Institute at Arizona State University 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.