title: An aggregation-induced emission (AIE) active probe for multiple targets: a fluorescent sensor for Zn(2+) and Al(3+) & a colorimetric sensor for Cu(2+) and F(-).
abstract: A rationally designed probe L, which consists of both cation and anion binding sites, is capable of displaying interesting aggregation induced emission (AIE) properties. L not only can sense Al(3+) and Zn(2+) through selective turn-on fluorescence responses in 9 : 1 methanol-HEPES buffer (5 mM, pH 7.3; 9 : 1, v/v) medium due to metal ion triggered AIE activity, but also can distinguish them through individual emission signals. L can also detect Cu(2+) in mixed buffer medium and F(-) in acetonitrile through sharp colorimetric responses. All the sensing processes are conspicuous through the naked eye. A theoretical study strongly backed the proposed sensing mechanisms.
authors.affiliation: Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India. gdas@iitg.ernet.in.
authors.forename: Soham
authors.initials: S
authors.lastname: Samanta
authors.affiliation: Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India. gdas@iitg.ernet.in.
authors.forename: Utsab
authors.initials: U
authors.lastname: Manna
authors.affiliation: Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India. gdas@iitg.ernet.in.
authors.forename: Turjya
authors.initials: T
authors.lastname: Ray
authors.affiliation: Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India. gdas@iitg.ernet.in.
authors.forename: Gopal
authors.initials: G
authors.lastname: Das
mesh_terms: D000535:Aluminum / Q000032:analysis*; D003124:Colorimetry; D003300:Copper / Q000032:analysis*; D005456:Fluorescent Dyes / Q000032:analysis* / Q000138:chemical synthesis / Q000737:chemistry; D005459:Fluorides / Q000032:analysis*; D015394:Molecular Structure; D015032:Zinc / Q000032:analysis*
chemical_list: D005456:Fluorescent Dyes; D003300:Copper; D000535:Aluminum; D015032:Zinc; D005459:Fluorides