Dual-sensitized luminescent Eu( iii ) dosimeter for the selective detection of inorganic phosphates via a ligand displacement mechanism

Q: What does this research mean for the field?

The dual-sensitized luminescent Eu(III) probe [Eu(TFNB)2(LN4)](OTf) enables selective detection of inorganic phosphates (H2PO4-) at nanomolar levels through a competitive antenna-displacement mechanism. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Nitin Shukla; Juhi Sayala; Zafar Abbas; Ashis K. Patra

doi:10.1039/d6dt00429f

January 1, 2026Dalton Transactions

Dual-sensitized luminescent Eu( iii ) dosimeter for the selective detection of inorganic phosphates via a ligand displacement mechanism

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Key Points

This research aims to develop a luminescent probe for the selective detection of inorganic phosphates at nanomolar levels.
Designed a dual-sensitized luminescent europium probe [Eu(TFNB)2(LN4)](OTf) for detecting inorganic phosphates.
Employed a competitive antenna-displacement mechanism to enhance detection sensitivity.
Utilized photoluminescence measurements to evaluate the probe's performance.
The probe successfully detected H2PO4− at nanomolar concentrations.
Demonstrated high specificity due to the ligand displacement mechanism.
Showed enhanced luminescence response when interacting with H2PO4−.

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Implication

Demonstrates selective detection of inorganic phosphates using a luminescent probe, indicating new sensing capabilities.

Abstract

A dual-sensitized luminescent Eu( iii ) probe: [Eu(TFNB) 2 (L N4 )](OTf) ( Eu.1 ) enables selective detection of H 2 PO 4 − at nM levels via a competitive antenna-displacement mechanism by the by stronger H 2 PO 4 − studied by the photoluminescence measurements.

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Shukla et al. (2026) studied this question.

synapsesocial.com/papers/6a17dbe93fad632b0f9d89e9 https://doi.org/10.1039/d6dt00429f

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Dual-sensitized luminescent Eu( iii ) dosimeter for the selective detection of inorganic phosphates via a ligand displacement mechanism

Key Points

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Implication

Abstract

Discussion

Cite This Study

Dual-sensitized luminescent Eu( iii ) dosimeter for the selective detection of inorganic phosphates via a ligand displacement mechanism

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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