RT journal article
T1 A new use for an old molecule: N-phenyl-2-(2-hydroxynaphthalen-1-ylmethylene)hydrazinecarbothioamide as a ratiometric ‘Off–On’ fluorescent probe for iron
A1 Casanueva Marenco, María José
A1 Fowley, Colin
A1 W. Hyland, Barry
A1 R.C. Hamilton, Graham
A1 Galindo Riaño, María Dolores
A1 F. Callan, John
A2 Química Analítica
K1 Fluorescence
K1 Sensor
K1 Iron(III)
K1 Ratiometric
AB N-Phenyl-2-(2-hydroxynaphthalen-1-ylmethylene)hydrazinecarbothioamide has been investigated as a fluorescent sensor for the determination of Fe(III) in aqueous solutions. The probe was prepared by the facile Schiff base condensation of 2-hydroxy-1-napthaldehyde with N-phenylhydrazinecarbothioamide. The sensor displayed good selectivity for Fe(III) when tested against a range of biologically and environmentally important cations. A concentration dependent increase in the emission of two fluorescent bands at 425 and 495 nm was observed upon increasing Fe(III) addition resulting in a linear ratiometric response in the 17–37 lM range. The binding stoichiometry was confirmed as 1:1 (host/guest) with the binding constant (logb) calculated as 4.56.
PB Elsevier
YR 2012
FD 2012-01
LK http://hdl.handle.net/10498/20393
UL http://hdl.handle.net/10498/20393
LA eng
DS Repositorio Institucional de la Universidad de Cádiz
RD 13-nov-2026