title: Amphoteric tetracycline-sensitive electrodes and their selectivities.
abstract: Electrodes that are sensitive to cationic and anionic species of tetracycline have been constructed. The cation-sensitive electrode responds to monoprotonated tetracycline over the pH range 1.9-3.2. The anion-sensitive electrode responds at pH 8.0-11.0 to the singly-charged tetracyclinate anion resulting from dissociation of the enolic group of the B ring. The electrode selectivities have been investigated.
authors.affiliation: Institute for New Material Research, Department of Chemical Engineering, Hunan University, Changsha, People's Republic of China.
authors.forename: Y
authors.initials: Y
authors.lastname: Shou-Zhou
authors.forename: S
authors.initials: S
authors.lastname: Jing
authors.forename: N
authors.initials: N
authors.lastname: Li-Hua