LLangmuir4/24/2026Hydrogen-Bond Gating of Interfacial Capacitance in Amine-Rich Hybrid Interfaces for Redox-Free Ionic RecognitionChaitanya Yerragudi·Nivedita Sikdar·Rajarshi Ghosh·Suvendu Panda·Rudraditya SarkarRead at LangmuirTagsElectrochemical Analysis and ApplicationsElectrochemistry