Casanueva Marenco, Maria Jose, Fowley, Colin, Hyland, Barry W., Galindo-Riano, Dolores, Sahoo, Suban K. and Callan, John F. (2012) A New Fluorescent Sensor for the Determination of Iron(III) in Semi-Aqueous Solution. JOURNAL OF FLUORESCENCE, 22 (3). pp. 795-798. [Journal article]
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A simple fluorescent sensor has been developed for the recognition of Fe(III) in semi-aqueous solution at pH 7.0. The sensor, containing two Schiff base type receptors directly connected to naphthalene fluorophores, shows a concentration dependent decrease in emission intensity upon Fe(III) addition. The sensor was selective for Fe(III) over other metal ions and can measure Fe(III) ion concentration between 0.05 and 0.12 mM. The binding stoichiometry was established as 1:1 (host: guest) with a binding constant (Log beta) of 4.01. Furthermore, the addition of Fe(III) to a solution of caused a colour change from light yellow to colourless meaning is also capable of detecting Fe(III) by the naked eye.
|Item Type:||Journal article|
|Keywords:||Schiff base; Fluorescence; Sensor; Iron(III)|
|Faculties and Schools:||Faculty of Life and Health Sciences|
Faculty of Life and Health Sciences > School of Pharmacy and Pharmaceutical Science
|Research Institutes and Groups:||Biomedical Sciences Research Institute|
Biomedical Sciences Research Institute > Pharmaceutical Science and Practice
|Deposited By:||Professor John Callan|
|Deposited On:||11 Jun 2012 14:49|
|Last Modified:||19 Nov 2012 14:57|
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