title: A highly selective fluorescent probe for Al(3+) based on quinoline derivative.
abstract: A novel Schiff base fluorescent probe, 1-phenyl-3-methyl-5-hydroxypyrazole-4-carbaldehyde (2'-methylquinoline-4'-formyl) hydrazone (PMHCH), for selective detection of Al(3+) has been designed and synthesized. Upon addition of various metal ions, the receptor only shows 286-fold enhancement of fluorescence intensity which might be attributed to a 1:1 stoichiometry between PMHCH and Al(3+) and the photo-induced electron transfer progress in the present of Al(3+) at 505n m. More importantly, the detection limit of PMHCH for Al(3+) could reach at 10(-7) M level.
authors.affiliation: College of Chemistry and Chemical Engineering, State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, PR China.
authors.forename: Guan-qun
authors.initials: GQ
authors.lastname: Wang
authors.affiliation: College of Chemistry and Chemical Engineering, State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, PR China.
authors.forename: Jin-can
authors.initials: JC
authors.lastname: Qin
authors.affiliation: College of Chemistry and Chemical Engineering, State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, PR China.
authors.forename: Chao-rRi
authors.initials: CR
authors.lastname: Li
authors.affiliation: College of Chemistry and Chemical Engineering, State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, PR China. Electronic address: yangzy@lzu.edu.cn.
authors.forename: Zheng-yin
authors.initials: ZY
authors.lastname: Yang
mesh_terms: D000535:Aluminum / Q000032:analysis*; D002412:Cations / Q000032:analysis; D005456:Fluorescent Dyes / Q000737:chemistry*; D006835:Hydrazones / Q000737:chemistry; D057230:Limit of Detection; D011804:Quinolines / Q000737:chemistry*; D012545:Schiff Bases / Q000737:chemistry*; D013050:Spectrometry, Fluorescence / Q000379:methods
chemical_list: D002412:Cations; D005456:Fluorescent Dyes; D006835:Hydrazones; D011804:Quinolines; D012545:Schiff Bases; D000535:Aluminum; C037219:quinoline
keywords: Aluminum; Detection limit; Fluorescent probe; Schiff-base