Bo Wu, Xiulin Yi, Jian Zhao, Lele Li. "Outside Front Cover: An Orthogonal Nucleic Acid/Peptide Amplification Circuit Enables Protease‐Triggered, Cancer Cell‐Selective PD‐L1 Imaging (Angew. Chem. Int. Ed. 4/2026)." Angewandte Chemie International Edition (2026). https://doi.org/10.1002/anie.2025-m0512060700