Chem. Commun., 2026, Accepted Manuscript DOI: 10.1039/D6CC02152B, Communication Joanna Drzeżdżon, Mateusz Adam Baluk, Paulina Parcheta-Szwindowska, Olga Chernyayeva, Yanchen Liu, Nicola Pinna A molecular shielding strategy using TiO2 nanotubes is reported to protect oxovanadium(IV) complexes from hydrolytic deactivation. This nanoconfinement-driven approach enables the efficient microwave-assisted aqueous polymerization of methyl methacrylate. Thus, the...