An aqueous friendly chemosensor derived from vitamin B6 cofactor for colorimetric sensing of Cu2+ and fluorescent turn-off sensing of Fe3+
D Sharma, A Kuba, R Thomas, R Kumar… - … Acta Part A: Molecular …, 2016 - Elsevier
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2016•Elsevier
Chemosensor L derived from vitamin B 6 cofactor pyridoxal-5-phosphate was investigated
for the selective detection of Cu 2+ and Fe 3+ in aqueous medium. Sensor L formed a 1: 1
complex with Cu 2+ and displays a perceptible color change from colorless to yellow brown
with the appearance of a new charge transfer band at~ 450 nm. In contrast, the fluorescence
of L was quenched selectively in the presence of Fe 3+ without any interference from other
metal ions including Cu 2+.
for the selective detection of Cu 2+ and Fe 3+ in aqueous medium. Sensor L formed a 1: 1
complex with Cu 2+ and displays a perceptible color change from colorless to yellow brown
with the appearance of a new charge transfer band at~ 450 nm. In contrast, the fluorescence
of L was quenched selectively in the presence of Fe 3+ without any interference from other
metal ions including Cu 2+.
Abstract
Chemosensor L derived from vitamin B6 cofactor pyridoxal-5-phosphate was investigated for the selective detection of Cu2 + and Fe3 + in aqueous medium. Sensor L formed a 1:1 complex with Cu2 + and displays a perceptible color change from colorless to yellow brown with the appearance of a new charge transfer band at ~ 450 nm. In contrast, the fluorescence of L was quenched selectively in the presence of Fe3 + without any interference from other metal ions including Cu2 +.
Elsevier
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