Journal
JOURNAL OF FLUORESCENCE
Volume 29, Issue 3, Pages 577-586Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10895-019-02374-4
Keywords
Fluorescence; Naphthalene; Al3+; Test paper; Ratiometric absorbance
Funding
- Research Science Foundation in Technology Innovation of Harbin [2017RAQXJ022]
- Postdoctoral Scientific Research Developmental Fund of Heilongjiang Province [LBH-Q14023]
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A novel naphthalene based fluorescence probe NBDH was designed and synthesized. Probe NBDH exhibited highly selective and sensitive responses towards Al3+ in HEPES-NaOH buffer solution (pH=7.4). In addition, the detection of NBDH to Al3+ could be achieved through dual channels embodied in significant fluorescent turn-on signal and ratiometric absorbance response. The stoichiometry ratio of NBDH-Al3+ was 1:1 by fluorescence job' plot and binging mechanism was further varified by the FT-IR, NMR titration and HRMS. Furthermore, NBDH was achieved in real sample detection, and a series of color test paper were developed for visual detecting Al3+ ions.
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