A highly sensitive fluorescence measurement of amphetamine using 8-hydroxyquinoline-β-cyclodextrin grafted on graphene oxide

The ultra race amount of amphetamine was efficiently measured using the fluorescence probe based on 8-hydroxyquinoline-β-cyclodextrin. The absorption spectra were obviously proved the static enhancement mechanism of the probe under the response time, 50 s and solution pH, 6 as optimized conditions....

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Bibliographic Details
Published in:Diamond and related materials 2020-11, Vol.109, p.108032, Article 108032
Main Authors: Nazerdeylami, Samaneh, Ghasemi, Jahan B., Amiri, Ahmad, Mohammadi Ziarani, Ghodsi, Badiei, Alireza
Format: Article
Language:English
Subjects:
8-hydroxyquinoline-β-cyclodextrin-graphene oxide
Absorption spectra
Amphetamine
Amphetamines
Cyclodextrins
Fluorescence probe
Fluorescent indicators
Graphene
Hydroxyquinoline
Response time
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Summary:The ultra race amount of amphetamine was efficiently measured using the fluorescence probe based on 8-hydroxyquinoline-β-cyclodextrin. The absorption spectra were obviously proved the static enhancement mechanism of the probe under the response time, 50 s and solution pH, 6 as optimized conditions. 8-hydroxyquinoline-β-cyclodextrin-graphene oxide (GO-CD-HQ) showed an excellent response to amphetamine in the linear concentration range (1–140) × 10−5 M, with a notable detection limit 3.67 × 10−5 M. [Display omitted] •A facile fluorescence probe based on 8-hydroxyquinoline-β-cyclodextrin was synthesized.•Amphetamine was measured by GO-CD-HQ with an acceptable linear range.•GO-CD-HQ has shown a superior limit of detection for target analyte.•The static fluorescence enhancement mechanism of the probe was proved by the absorption spectra.
ISSN:0925-9635
1879-0062
DOI:10.1016/j.diamond.2020.108032