a deprotonation-driven sensing mechanism

Funding Information: This work was financed by national funds from FCT - Fundação para a Ciência e a Tecnologia, I.P., under the scope of the project UID/50006/2023 of the Associate Laboratory for Green Chemistry - LAQV REQUIMTE, as well as the Scientific Society PROTEOMASS (Portugal) for funding support (General Funding Grant 2024–2025). G.P. and F.D. thanks FCT/MEC (Portugal) for their doctoral grant 2021.05161.BD and 2024.00936.BD respectively. E.O thanks FCT/MEC (Portugal) for the individual contract, CEECIND/05280/2022. H.M.S. acknowledges the Associate Laboratory for Green Chemistry-LAQV (LA/P/0008/2020) funded by FCT/MCTES for his research contract. The financial support by the Bulgarian National Science Fund (BNSF) under grant – “Novel styryl and polymethine fluorophores as potential theranostic agents “contract KP-06-М59/1 from 15.11.2021 is gratefully acknowledged by A.K. This work is also developed and acknowledged by A.K. as part of contract BG-RRP-2.004-0002-C01, Laboratory of Organic Functional Materials (Project BiOrgaMCT), Procedure BG-RRP-2.004, “Establishing of a network of research higher education institutions in Bulgaria”, funded by BULGARIAN NATIONAL RECOVERY AND RESILIENCE PLAN. G.D. thanks to the European Regional Development Fund within the Operational Programme Science and Education for Smart Growth 2014-2020 under the Project Center of Excellence: National center of mechatronics and clean technologies - BG05M2OP001-1.001-0008 for the financial support. Publisher Copyright: © 2025 The Authors