A reversible fluorescence "off-on-off" sensor for sequential detection of aluminum and acetate/fluoride ions

Vinod Kumar Gupta; Naveen Mergu; Lokesh Kumar Kumawat; Ashok Kumar Singh

doi:10.1016/j.talanta.2015.05.053

A reversible fluorescence "off-on-off" sensor for sequential detection of aluminum and acetate/fluoride ions

Vinod Kumar Gupta^*, Naveen Mergu, Lokesh Kumar Kumawat, Ashok Kumar Singh

^*Corresponding author for this work

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

367 Scopus citations

Abstract

A new rhodamine functionalized fluorogenic Schiff base CS was synthesized and its colorimetric and fluorescence responses toward various metal ions were explored. The sensor exhibited highly selective and sensitive colorimetric and "off-on" fluorescence response towards Al³⁺ in the presence of other competing metal ions. These spectral changes are large enough in the visible region of the spectrum and thus enable naked-eye detection. Studies proved that the formation of CS-Al³⁺ complex is fully reversible and can sense to AcO^-/F^- via dissociation. The results revealed that the sensor provides fluorescence "off-on-off" strategy for the sequential detection of Al³⁺ and AcO^-/F^-.

Original language	English
Pages (from-to)	80-89
Number of pages	10
Journal	Talanta
Volume	144
DOIs	https://doi.org/10.1016/j.talanta.2015.05.053
State	Published - 10 Jun 2015
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2015 Elsevier B.V. All rights reserved.

Keywords

Anion
Chemosensor
Fluorescence
Metal ion
Reversibility
Sequential detection

ASJC Scopus subject areas

Analytical Chemistry

Access to Document

10.1016/j.talanta.2015.05.053

Cite this

@article{ec9b1f354bc94f72b5e8ce77afa55e4c,

title = "A reversible fluorescence {"}off-on-off{"} sensor for sequential detection of aluminum and acetate/fluoride ions",

abstract = "A new rhodamine functionalized fluorogenic Schiff base CS was synthesized and its colorimetric and fluorescence responses toward various metal ions were explored. The sensor exhibited highly selective and sensitive colorimetric and {"}off-on{"} fluorescence response towards Al3+ in the presence of other competing metal ions. These spectral changes are large enough in the visible region of the spectrum and thus enable naked-eye detection. Studies proved that the formation of CS-Al3+ complex is fully reversible and can sense to AcO-/F- via dissociation. The results revealed that the sensor provides fluorescence {"}off-on-off{"} strategy for the sequential detection of Al3+ and AcO-/F-.",

keywords = "Anion, Chemosensor, Fluorescence, Metal ion, Reversibility, Sequential detection",

author = "Gupta, \{Vinod Kumar\} and Naveen Mergu and Kumawat, \{Lokesh Kumar\} and Singh, \{Ashok Kumar\}",

year = "2015",

month = jun,

day = "10",

doi = "10.1016/j.talanta.2015.05.053",

language = "English",

volume = "144",

pages = "80--89",

journal = "Talanta",

issn = "0039-9140",

}

TY - JOUR

T1 - A reversible fluorescence "off-on-off" sensor for sequential detection of aluminum and acetate/fluoride ions

AU - Gupta, Vinod Kumar

AU - Mergu, Naveen

AU - Kumawat, Lokesh Kumar

AU - Singh, Ashok Kumar

PY - 2015/6/10

Y1 - 2015/6/10

N2 - A new rhodamine functionalized fluorogenic Schiff base CS was synthesized and its colorimetric and fluorescence responses toward various metal ions were explored. The sensor exhibited highly selective and sensitive colorimetric and "off-on" fluorescence response towards Al3+ in the presence of other competing metal ions. These spectral changes are large enough in the visible region of the spectrum and thus enable naked-eye detection. Studies proved that the formation of CS-Al3+ complex is fully reversible and can sense to AcO-/F- via dissociation. The results revealed that the sensor provides fluorescence "off-on-off" strategy for the sequential detection of Al3+ and AcO-/F-.

AB - A new rhodamine functionalized fluorogenic Schiff base CS was synthesized and its colorimetric and fluorescence responses toward various metal ions were explored. The sensor exhibited highly selective and sensitive colorimetric and "off-on" fluorescence response towards Al3+ in the presence of other competing metal ions. These spectral changes are large enough in the visible region of the spectrum and thus enable naked-eye detection. Studies proved that the formation of CS-Al3+ complex is fully reversible and can sense to AcO-/F- via dissociation. The results revealed that the sensor provides fluorescence "off-on-off" strategy for the sequential detection of Al3+ and AcO-/F-.

KW - Anion

KW - Chemosensor

KW - Fluorescence

KW - Metal ion

KW - Reversibility

KW - Sequential detection

UR - http://www.scopus.com/inward/record.url?scp=84930643567&partnerID=8YFLogxK

U2 - 10.1016/j.talanta.2015.05.053

DO - 10.1016/j.talanta.2015.05.053

M3 - Article

C2 - 26452794

AN - SCOPUS:84930643567

SN - 0039-9140

VL - 144

SP - 80

EP - 89

JO - Talanta

JF - Talanta

ER -

A reversible fluorescence "off-on-off" sensor for sequential detection of aluminum and acetate/fluoride ions

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

Fingerprint

Cite this