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A Fluorescent Sensor for Al(III) and Colorimetric Sensor for Fe(III) and Fe(II) Based on a Novel 8-Hydroxyquinoline Derivative

A novel 8-hydroxyquinoline-based fluorescent and colorimetric chemosensor was designed, synthesized and fully characterized. The sensor showed high selectivity and sensitivity toward Al 3+ over other tested cations in EtOH/H 2 O (1:99, v /v) medium. The increase in fluorescence intensity was linearl...

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Published in:Journal of fluorescence 2016-09, Vol.26 (5), p.1885-1894
Main Authors: Lashgari, Negar, Badiei, Alireza, Mohammadi Ziarani, Ghodsi
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Language:English
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cited_by cdi_FETCH-LOGICAL-c372t-396598f54ef7c1d9f52bee3758ccb9da351ba455584c6cea616d11d8b29a2f3f3
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container_title Journal of fluorescence
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creator Lashgari, Negar
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Mohammadi Ziarani, Ghodsi
description A novel 8-hydroxyquinoline-based fluorescent and colorimetric chemosensor was designed, synthesized and fully characterized. The sensor showed high selectivity and sensitivity toward Al 3+ over other tested cations in EtOH/H 2 O (1:99, v /v) medium. The increase in fluorescence intensity was linearly proportional to the concentration of Al 3+ with a detection limit of 7.38 × 10 −6  M. Moreover, the sensor exhibited an obvious color change from yellow to black in the presence of Fe 2+ and Fe 3+ in EtOH/THF (99:1, v /v) solution. The absorbance changes showed a linear response to iron ions with the detection limits of 4.24 × 10 −7  M and 5.60 × 10 −7  M for Fe 2+ and Fe 3+ , respectively. Thus, this chemosensor provides a novel approach for selectively recognition of Al 3+ , Fe 3+ and Fe 2+ among environmentally relevant metal ions.
doi_str_mv 10.1007/s10895-016-1883-3
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subjects Analytical Chemistry
Biochemistry
Biological and Medical Physics
Biomedical and Life Sciences
Biomedicine
Biophysics
Biotechnology
Chemical sensors
Chemoreceptors
Colorimetry
Ferric ions
Ferrous ions
Fluorescence
Hydroxyquinoline
Iron
Original Article
title A Fluorescent Sensor for Al(III) and Colorimetric Sensor for Fe(III) and Fe(II) Based on a Novel 8-Hydroxyquinoline Derivative
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