TY - RPRT TI - Xeno-nucleic Acid (XNA) 2'-Fluoro-Arabino Nucleic Acid (FANA) Aptamers to the Receptor Binding Domain of SARS-CoV-2 S Protein Block ACE2 Binding AU - Alves Ferreira-Bravo, I. AU - DeStefano, J. J. PY - 2021 DO - 10.1101/2021.07.13.452259 UR - https://www.biorxiv.org/content/10.1101/2021.07.13.452259v1 ID - 10.1101/2021.07.13.452259 ER -