Phosphonium Salt-Functionalized β-Cyclodextrin Film for Ultrasensitive and Selective Electrochemical Impedance Spectroscopy Detection of Perchlorate in Drinking Water. - Baatout, Zeineb; Jebnouni, Achref; Sakly, Nawfel; Teka, Safa; Mohamed, Nuzaiha; Osman, Sayda; Soury, Raoudha; El Oudi, Mabrouka; Alsaqri, Salman Hamdan; Jaballah, Nejmeddine Smida; Majdoub, Mustapha (Polymers (20734360), 2025)