Fluorescent phosphinimine as possible precursor to an anionic and fluorescent sensor for Tc-99

Arrigo, Leah M.; Galenas, M. G.; Bassil, Daniel B.; Tucker, Sheryl A.; Kannan, Raghuraman; Katti, Kattesh V.; Barnes, Charles L.; Jurisson, Silvia S.

doi:10.1524/ract.2008.1529

Cited by 6 publications

(5 citation statements)

References 18 publications

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“…However, the noncomplexing nature of 99 TcO 4 – makes its efficient recognition and photoluminescence detection quite challenging . Up to now, only a handful of fluorescent detectors was reported for 99 TcO 4 – and its nonradioactive surrogate ReO 4 – . − Although most of these molecular sensors have relatively high selectivity for ReO 4 – /TcO 4 – , the detection sensitivity is notably limited, making them not applicable in the analysis of real or simulated environment/waste samples. Additionally, their detection mechanisms are unclear, and strategies on further enhancing the detection selectivity and sensitivity remain elusive.…”

Section: Introductionmentioning

confidence: 99%

A Porous Aromatic Framework Functionalized with Luminescent Iridium(III) Organometallic Complexes for Turn-On Sensing of ⁹⁹TcO₄^–

Chen²,

Dai³

et al. 2020

ACS Appl. Mater. Interfaces

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Contamination of 99 TcO 4 − , a problematic radioactive anion in the nuclear fuel cycle, in groundwater has been observed in a series of legacy nuclear sites, representing a notable radiation hazard and environmental concern. The development of convenient, rapid, and sensitive detection methods is therefore critical for radioactivity control and remediation tasks. Traditional detection methods suffer from clear demerits of either the presence of large interference from coexisting radioactive species (e.g., radioactivity counting methods) or the requirement of extensive instrumentation and analysis procedure (e.g., mass spectrometry). Here, we constructed a luminescent iridium(III) organometallic complex (Ir(ppy) 2 (bpy) + ; ppy = 2-phenylpyridine, bpy = 2,2′bipyridine)-grafted porous aromatic framework (Ir-PAF) for the first time, which can be utilized for efficient, facile, and selective detection of trace ReO 4 − /TcO 4 − in aqueous solutions. Importantly, the luminescence intensity of Ir-PAF is greatly enhanced in the presence of ReO 4 − /TcO 4 − , giving rise to a distinct turn-on sensor with the detection limit of 556.9 μg/L. Such a superior detection capability originates from the highly selective and strong interaction between ReO 4 − /TcO 4 − and Ir(ppy) 2 (bpy) + , leading to an efficient pre-enrichment of ReO 4 − /TcO 4 − during analysis and subsequently a much weaker nonradiative decay of the luminescence of Ir(ppy) 2 (bpy) + , as illustrated by density functional theory (DFT) calculation as well as quantum yield and fluorescence lifetime measurements. Successful quantification of trace ReO 4 − in simulated Hanford low-activity waste (LAW) solution containing large excess of Cl − , NO 3 − , and NO 2 − was demonstrated, highlighting the bright future of luminescent PAFs in the area of chemical sensing.

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Section: Introductionmentioning

confidence: 99%

A Porous Aromatic Framework Functionalized with Luminescent Iridium(III) Organometallic Complexes for Turn-On Sensing of ⁹⁹TcO₄^–

Chen²,

Dai³

et al. 2020

ACS Appl. Mater. Interfaces

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“…18,26,27 All solvents used were purchased anhydrous, stored over activated 4 Å molecular sieves, and sparged with nitrogen prior to use. Benzene-d 6 (Cambridge Isotope Laboratories) was used as received.…”

Section: Introductionmentioning

confidence: 99%

“…14 H 9 (9-anthracenyl), and C 16 H 9 (1-pyrenyl), were synthesized as previously reported18,26,27 and oxidized with either an eighth of an equivalent of elemental sulfur or one equivalent of selenium to produce the corresponding E=PPh 2 Ar complexes, Se, 10. No attempt to determine the byproducts of the reactions with auric acid was pursued but similar reactivity has been reported previously.…”

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confidence: 99%

Synthesis, spectroscopy, electrochemistry, and coordination chemistry of substituted phosphine sulfides and selenides

et al. 2015

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“…The phosphinimine 145 was fluorescent but the addition of [TcO 4 − ] or [ReO 4 − ] anions to 145 did not change the original spectrum in terms of the overall spectral features or intensity. In addition, the anthracene molecule scintillated in the presence of [ 99 TcO 4− ], making it a possible reporter group for a scintillation sensor using this molecule ( Scheme 51 ) [ 66 ].…”

Section: Synthesis and Reactions Of Phosphines (Anthpr 2 ...mentioning

confidence: 99%

Comprehensive Review on Synthesis, Properties, and Applications of Phosphorus (PIII, PIV, PV) Substituted Acenes with More Than Two Fused Benzene Rings

et al. 2022

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This comprehensive review, covering the years 1968–2022, is not only a retrospective investigation of a certain group of linearly fused aromatics, called acenes, but also a presentation of the current state of the knowledge on the synthesis, reactions, and applications of these compounds. Their characteristic feature is substitution of the aromatic system by one, two, or three organophosphorus groups, which determine their properties and applications. The (PIII, PIV, PV) phosphorus atom in organophosphorus groups is linked to the acene directly by a P-Csp2 bond or indirectly through an oxygen atom by a P-O-Csp2 bond.

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Fluorescent phosphinimine as possible precursor to an anionic and fluorescent sensor for Tc-99

Abstract: Technetium-99 / Pertechnetate / Phosphinimines / Sensing / FluorescenceSummary. The trimethylsilyl-protected phosphinimines (9-anthracenyl)Ph 2 P=NSiMe 3 and (1-naphthyl)Ph 2 P=NSiMe 3 and the ion pairs [(9-anthracenyl) • , Z = 4.

Cited by 6 publications

References 18 publications

A Porous Aromatic Framework Functionalized with Luminescent Iridium(III) Organometallic Complexes for Turn-On Sensing of ⁹⁹TcO₄^–

A Porous Aromatic Framework Functionalized with Luminescent Iridium(III) Organometallic Complexes for Turn-On Sensing of ⁹⁹TcO₄^–

Synthesis, spectroscopy, electrochemistry, and coordination chemistry of substituted phosphine sulfides and selenides

Comprehensive Review on Synthesis, Properties, and Applications of Phosphorus (PIII, PIV, PV) Substituted Acenes with More Than Two Fused Benzene Rings

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Fluorescent phosphinimine as possible precursor to an anionic and fluorescent sensor for Tc-99

Abstract: Technetium-99 / Pertechnetate / Phosphinimines / Sensing / FluorescenceSummary. The trimethylsilyl-protected phosphinimines (9-anthracenyl)Ph 2 P=NSiMe 3 and (1-naphthyl)Ph 2 P=NSiMe 3 and the ion pairs [(9-anthracenyl) • , Z = 4.

Cited by 6 publications

References 18 publications

A Porous Aromatic Framework Functionalized with Luminescent Iridium(III) Organometallic Complexes for Turn-On Sensing of 99TcO4–

A Porous Aromatic Framework Functionalized with Luminescent Iridium(III) Organometallic Complexes for Turn-On Sensing of 99TcO4–

Synthesis, spectroscopy, electrochemistry, and coordination chemistry of substituted phosphine sulfides and selenides

Comprehensive Review on Synthesis, Properties, and Applications of Phosphorus (PIII, PIV, PV) Substituted Acenes with More Than Two Fused Benzene Rings

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Product

Resources

About

A Porous Aromatic Framework Functionalized with Luminescent Iridium(III) Organometallic Complexes for Turn-On Sensing of ⁹⁹TcO₄^–

A Porous Aromatic Framework Functionalized with Luminescent Iridium(III) Organometallic Complexes for Turn-On Sensing of ⁹⁹TcO₄^–