Figure 1. (image) Moscow Institute of Physics and Technology Share Print E-Mail Caption Adding a complementary DNA strand activates the receptors on the nanoparticle surface. Credit Vladimir Cherkasov et al. Usage Restrictions None Share Print E-Mail 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.