An aqueous friendly chemosensor derived from vitamin B6 cofactor for colorimetric sensing of Cu2+ and fluorescent turn-off sensing of Fe3+

Darshna Sharma; Aman Kuba; Rini Thomas; Rajender Kumar; Heung Jin Choi; Suban K. Sahoo

doi:10.1016/j.saa.2015.08.051

An aqueous friendly chemosensor derived from vitamin B₆ cofactor for colorimetric sensing of Cu²⁺ and fluorescent turn-off sensing of Fe³⁺

Darshna Sharma, Aman Kuba, Rini Thomas, Rajender Kumar, Heung Jin Choi, Suban K. Sahoo

Research output: Contribution to journal › Article › peer-review

52 Scopus citations

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⁺.

Original language	English
Article number	14061
Pages (from-to)	393-396
Number of pages	4
Journal	Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
Volume	153
DOIs	https://doi.org/10.1016/j.saa.2015.08.051
State	Published - 1 Jan 2016
Externally published	Yes

Bibliographical note

Funding Information:
The authors wish to thank the Director, S.V. National Institute of Technology, Surat for providing necessary facilities and scholarship. This work was made possible by a grant from the DST SERB, New Delhi ( SR/S1/IC-54/2012 ).

Publisher Copyright:
© 2015 Elsevier B.V.

Keywords

Colorimetric sensor
Cu
Fe
Fluorescent sensor
Vitamin B cofactor

Access to Document

10.1016/j.saa.2015.08.051

Cite this

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title = "An aqueous friendly chemosensor derived from vitamin B6 cofactor for colorimetric sensing of Cu2+ and fluorescent turn-off sensing of Fe3+",

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+.",

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An aqueous friendly chemosensor derived from vitamin B₆ cofactor for colorimetric sensing of Cu²⁺ and fluorescent turn-off sensing of Fe³⁺. / Sharma, Darshna; Kuba, Aman; Thomas, Rini et al.
In: Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, Vol. 153, 14061, 01.01.2016, p. 393-396.

Research output: Contribution to journal › Article › peer-review

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