Chem. Commun., 2025, Accepted Manuscript DOI: 10.1039/D5CC03909F, Communication Daniel S. Paula, Larissa Garcia Velasco, Jean C.P. Sousa, Thiago Miguel Cardoso, Muhammad Irfan Qadir, Boniek Gontijo Vaz, Wendell Karlos Tomazelli Coltro Ionic liquids were used as modifiers for the paper surface, exploring their physicochemical properties to enhance hydroxyl availability and promote stronger interactions with chromogens for colorimetric assays. Paper microfluidic devices...