Dual carbonate sensor based on Eu(III) complex of DO3A ligand

Vaněk, Jakub; Smrčka, Filip; Lubal, Přemysl; Třísková, Iveta; Trnková, Libuše

doi:10.1007/s00706-016-1722-x

Cited by 14 publications

(24 citation statements)

References 49 publications

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“…A few chemosensors to determine CO 3 2− ion in environmental water samples were reported in the literature . Vanek et al proposed a fluorescent sensor for CO 3 2− ion based on lanthanide(III) complex of a tetrazacrown ether ligand .…”

Section: Resultsmentioning

confidence: 99%

“…Moreover, the author mentioned waiting to prepare the lanthanide complex at least 24 h prior to the measurement . Recently, Vanek et al reported both fluorescence and voltammetric approaches based on Eu(III) complex of a tetrazacrown ether ligand for CO 3 2− determination . Their methods show similar analytical parameter (LOD 0.2 m M ; dynamic range 0.2–1.6 m M ).…”

Section: Resultsmentioning

confidence: 99%

“…Linearity was observed in the range of 0–30 mg/L, and the detection limit was 6.0 mg/L. Therefore, the LOD value for carbonate ion is lower than that given in the literature .…”

Section: Resultsmentioning

confidence: 99%

See 2 more Smart Citations

Naked Eye Detection of Carbonate, Hydroxide, and Cyanide Ions with 1,4′‐Diazaflavonium Bromides: A Simple Spectrophotometric Method for Cyanide Determination

Kahriman

Gün

Gümrükçüoğlu

et al. 2019

Journal of Heterocyclic Chem

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Anion sensor properties of N‐alkyl‐substituted 1,4′‐diazaflavonium bromides in methanol–water were evaluated by UV–vis spectrometry. Pronounced changes were observed in the absorption spectra of all compounds for only OH−, CO32−, and CN− among F−, Cl−, Br−, I−, OH−, CO32−, NO3−, PO43−, CN−, SO42−, HSO4−, HCO3−, SCN−, NO2−, and P2O72− ions. Two new absorption bands at 385 and 685 nm accompanying the distinct color change for OH−, CO32−, and CN− ions were observed in case of all compounds. The color changes were from pink to blue for CO32− and OH− ions and from pink to purple for CN− ion. Thanks to the distinct color change, the compounds can be used as selective colorimetric anion sensors. Linear changes of absorbance of N‐heptyl‐substituted compound at 385 nm as a function of the ion concentration were used to determine CN− ion in water samples. Detection and quantification limits of the proposed method were 0.94 and 2.82 mg/L, respectively.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Naked Eye Detection of Carbonate, Hydroxide, and Cyanide Ions with 1,4′‐Diazaflavonium Bromides: A Simple Spectrophotometric Method for Cyanide Determination

Kahriman

Gün

Gümrükçüoğlu

et al. 2019

Journal of Heterocyclic Chem

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“…This kinetically inert binary Ln(III) complex is capable of binding another ligand bearing a functional group with specific physico-chemical properties (e.g., chromophore, fluorophore, electroactive group, etc.) and thus this Ln(III) ternary complex can be tailored according to the desired applications [ 10 , 17 , 28 , 29 , 30 ]. The highly luminescent ternary [Eu(DO3A)L] and [Tb(DO3A)L] complexes (see Figure 1 b, L = picolinic/3-isoquinolic acid) can be given as an example [ 28 , 29 , 30 ].…”

Section: Introductionmentioning

confidence: 99%

“…and thus this Ln(III) ternary complex can be tailored according to the desired applications [ 10 , 17 , 28 , 29 , 30 ]. The highly luminescent ternary [Eu(DO3A)L] and [Tb(DO3A)L] complexes (see Figure 1 b, L = picolinic/3-isoquinolic acid) can be given as an example [ 28 , 29 , 30 ]. In these complexes, the sensitization of Ln(III) luminescence by a fluorophore is achieved via efficient energy transfer from the ligand to the Ln(III) ion.…”

Section: Introductionmentioning

confidence: 99%

Luminescent Sensor Based on Ln(III) Ternary Complexes for NAD(P)H Detection

Smrčka

Lubal

2020

Molecules

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Ln(III) complexes of macrocyclic ligands are used in medicinal chemistry, for example as contrast agents in MRI or radiopharmaceutical compounds, and in diagnostics using fluorescence imaging. This paper is devoted to a spectroscopic study of Ln(III) ternary complexes consisting of macrocyclic heptadentate DO3A and bidentate 3-isoquinolinate (IQCA) ligands. IQCA serves as an efficient antenna ligand, leading to a higher quantum yield and Stokes shift (250–350 nm for Eu, Tb, Sm, Dy in VIS region, 550–650 nm for Yb, Nd in NIR region). The shielding-quenching effect of NAD(P)H on the luminescence of the Ln(III) ternary complexes was investigated in detail and this phenomenon was utilized for the analytical determination of this compound. This general approach was verified through an enzymatic reaction during which the course of ethanol transformation catalyzed by alcohol-dehydrogenase (ADH) was followed by luminescence spectroscopy. This method can be utilized for selective and sensitive determination of ethanol concentration and/or ADH enzyme activity. This new analytical method can also be used for other enzyme systems coupled with NAD(P)H/NAD(P)+ redox pairs.

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Effect of Lipophilicity in Oxyanion‐Responsive Europium(III) Complexes**

2022

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Responsive lanthanide(III) complexes -europium(III) complexes in particular -have been the focus of studies for several decades. While responsive lanthanide complexes have been reported and investigated frequently, the supramolecular aspects and linear free-energy relationship have seen less attention. Here, we are revisiting five europium(III) complexes and investigating their binding to ten different guests, all with a primary interaction between the europium(III) ion and a bidentate carboxylate anion. The studies consisted of measuring emission spectra, analysing band behaviours of the europium transitions, and calculating lifetime isotherms. The media effect was also investigated, and by eliminating the impact of hydrophobic effects, we can show that selectivity in these hostguest systems can be tuned by the secondary lipophilic interactions.

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Dual carbonate sensor based on Eu(III) complex of DO3A ligand

Cited by 14 publications

References 49 publications

Naked Eye Detection of Carbonate, Hydroxide, and Cyanide Ions with 1,4′‐Diazaflavonium Bromides: A Simple Spectrophotometric Method for Cyanide Determination

Naked Eye Detection of Carbonate, Hydroxide, and Cyanide Ions with 1,4′‐Diazaflavonium Bromides: A Simple Spectrophotometric Method for Cyanide Determination

Luminescent Sensor Based on Ln(III) Ternary Complexes for NAD(P)H Detection

Effect of Lipophilicity in Oxyanion‐Responsive Europium(III) Complexes**

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