title: A rhodamine-benzothiazole conjugated sensor for colorimetric, ratiometric and sequential recognition of copper(II) and sulfide in aqueous media.
abstract: A new rhodamine-benzothiazole conjugated colorimetric sensor 1 that exhibits sequential recognition to Cu(2+) and S(2-) in CH3CN/HEPES buffer (v/v=1:1, HEPES 10mM, pH=7.0) solution has been developed. Sensor 1 displays highly selective and sensitive recognition to Cu(2+) with a ratiometric behavior, and the resultant 1-Cu(2+) complex can act as a highly selective S(2-) sensor via Cu(2+) displacement approach. The Cu(2+) and S(2-) recognition processes are rapid and reversible, and the Cu(2+) and S(2-) inputs can result in an INHIBIT logic gate.
authors.affiliation: Department of Chemistry, Liaoning Provincial Key Laboratory for the Synthesis and Application of Functional Compounds, Bohai University, Jinzhou 121013, China.
authors.forename: Lijun
authors.initials: L
authors.lastname: Tang
authors.affiliation: Department of Chemistry, Liaoning Provincial Key Laboratory for the Synthesis and Application of Functional Compounds, Bohai University, Jinzhou 121013, China.
authors.forename: Xin
authors.initials: X
authors.lastname: Dai
authors.affiliation: Department of Chemistry, Liaoning Provincial Key Laboratory for the Synthesis and Application of Functional Compounds, Bohai University, Jinzhou 121013, China.
authors.forename: Xin
authors.initials: X
authors.lastname: Wen
authors.affiliation: Department of Chemistry, Liaoning Provincial Key Laboratory for the Synthesis and Application of Functional Compounds, Bohai University, Jinzhou 121013, China.
authors.forename: Di
authors.initials: D
authors.lastname: Wu
authors.affiliation: Department of Chemistry, Liaoning Provincial Key Laboratory for the Synthesis and Application of Functional Compounds, Bohai University, Jinzhou 121013, China.
authors.forename: Qiang
authors.initials: Q
authors.lastname: Zhang
mesh_terms: D052160:Benzothiazoles / Q000737:chemistry*; D003124:Colorimetry / Q000379:methods*; D003300:Copper / Q000032:analysis*; D006863:Hydrogen-Ion Concentration; D007477:Ions; D012235:Rhodamines / Q000737:chemistry*; D012996:Solutions; D013056:Spectrophotometry, Ultraviolet; D013440:Sulfides / Q000032:analysis*; D014867:Water / Q000737:chemistry*
chemical_list: D052160:Benzothiazoles; D007477:Ions; D012235:Rhodamines; D012996:Solutions; D013440:Sulfides; D014867:Water; D003300:Copper; C005465:benzothiazole
keywords: Benzothiazole; Colorimetric; Copper(II) recognition; Rhodamine; Sulfide recognition