A dual functional colorimetric and fluorescence chemosensor based on benzo[f]fluorescein dye derivatives for copper ions and pH; kinetics and thermodynamic study
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F17%3A39910957" target="_blank" >RIV/00216275:25310/17:39910957 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.snb.2017.06.084" target="_blank" >http://dx.doi.org/10.1016/j.snb.2017.06.084</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.snb.2017.06.084" target="_blank" >10.1016/j.snb.2017.06.084</a>
Alternative languages
Result language
angličtina
Original language name
A dual functional colorimetric and fluorescence chemosensor based on benzo[f]fluorescein dye derivatives for copper ions and pH; kinetics and thermodynamic study
Original language description
A new dual functional fluorescein-based colorimetric chemosensor 3',6'-dihydroxy-2-(((2-hydroxynaphthalen-1-yl) methylene)-amino)-6-methyl-4-(p-tolyl)-spiro[benzo[f]-isoindole-1,9'-xanthen]-3(2H)-one (BFFNH) derived from benzo[f]fluorescein was synthesized. Spectroscopy analysis confirmed the structures of the prepared compounds. BFFNH shows the colorimetric selectivity and sensitivity towards the aqueous solution of Cu2+ ions with a detection limit in the micromolar range (0.5 mu M). The applications of BFFNH was extended for the detection of Cu2+ ions in real water samples (tab and synthetic water) with a high recovery%. Also, BFFNH appeared to be highly sensitive with a quick response as fluorescence probe to alkaline pH hence its pKa value calculated as 7.91. Thermodynamic parameters Delta S center dot, Delta H center dot and Delta G center dot investigated at four temperatures (15, 20, 25 and 30 degrees). Kinetic study showed a first-order reaction with respect to the ligand. Also, the association constant (Ka) of BFFNH which binding with Cu2+ ions based on 1:1 stoichiometry was calculated.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10400 - Chemical sciences
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Sensors and Actuators B: Chemical
ISSN
0925-4005
e-ISSN
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Volume of the periodical
253
Issue of the periodical within the volume
December 2017
Country of publishing house
CH - SWITZERLAND
Number of pages
14
Pages from-to
437-450
UT code for WoS article
000411124800052
EID of the result in the Scopus database
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