Maria Ulitko (IMAGE) Ural Federal University Caption Maria Ulitko, head of the biologists research team who are testing the effect of the carrier on cells. Credit Photo: Elizaveta Veretennikova / UrFU. Usage Restrictions Photos may be freely used to illustrate this topic, but please credit the author of the image. License Original 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.