Unveiling the highly selective time-dependent colorimetric response of 8-hydroxyquinoline and indolinium-conjugated donor-π-acceptor (D-π-A) hybrid for the detection of copper(II) ions

G. Durga Prasad; Tadepalli Sanjeevakumar; Venkatachalam Rajeshkumar; Ashok K. Sundramoorthy; Surendra H. Mahadevegowda

doi:10.1039/d6nj00058d

January 1, 2026New Journal of Chemistry

Unveiling the highly selective time-dependent colorimetric response of 8-hydroxyquinoline and indolinium-conjugated donor-π-acceptor (D-π-A) hybrid for the detection of copper(II) ions

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Key Points

The aim is to develop a chemosensor that selectively detects copper(II) ions using colorimetric changes over time.
Synthesis of indolinium-8-hydroxyquinoline-based D-π-A hybrid chemosensor.
Systematic investigation of the time-dependent colorimetric response.
Assessment of selectivity for Cu2+ ions.
The chemosensor shows a distinct color change when exposed to Cu2+ ions.
The response is highly selective and time-dependent.
Effectiveness in differentiating copper ions from other metal ions.

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Implication

Novel chemosensor demonstrates time-dependent colorimetric response for copper ion detection, highlighting its selectivity.

Abstract

A novel indolinium-8-hydroxyquinoline-based donor-π-acceptor colorimetric chemosensor, IQS, was synthesized and systematically investigated time-dependent colorimetric response for the selective detection of Cu 2+ ions. The probe exhibited a distinct, time-dependent color...

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Prasad et al. (2026) studied this question.

synapsesocial.com/papers/69be38126e48c4981c6783ae https://doi.org/10.1039/d6nj00058d

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Unveiling the highly selective time-dependent colorimetric response of 8-hydroxyquinoline and indolinium-conjugated donor-π-acceptor (D-π-A) hybrid for the detection of copper(II) ions

Key Points

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Implication

Abstract

Discussion

Cite This Study

Unveiling the highly selective time-dependent colorimetric response of 8-hydroxyquinoline and indolinium-conjugated donor-π-acceptor (D-π-A) hybrid for the detection of copper(II) ions

Key Points

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Implication

Abstract

Discussion

Cite This Study

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