Articles with "lanthanide" as a keyword



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Homodinuclear Lanthanide Complexes with the Divergent Heterotopic 4,4′-BipyridineN-Oxide (bipyMO) Ligand

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Published in 2018 at "European Journal of Inorganic Chemistry"

DOI: 10.1002/ejic.201800747

Abstract: The synthesis of dinuclear molecular complexes [Eu2(dbm)6(bipyMO)2], 1, [Tb2(dbm)6(bipyMO)2], 2, [Eu2(tta)6(bipyMO)2], 3 [Eu2(hfac)6(bipyMO)3], 4, [Tb2(hfac)6(bipyMO)3], 5 is here reported (bipyMO = 4,4’bipyridine-N-oxide, Hdbm = dibenzoylmethane, Htta = thenoyltrifluoroacetone, Hhfac=hexafluoroacetylacetone). The products were obtained in mild… read more here.

Keywords: divergent heterotopic; lanthanide complexes; bipymo; complexes divergent ... See more keywords
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Computational study of pH-responsive di-lanthanide complexes

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Published in 2017 at "International Journal of Quantum Chemistry"

DOI: 10.1002/qua.25406

Abstract: Lanthanide complexes have found extensive use as luminescent probes for biological and medical investigations. Recently, a di-europium complex that exhibits pH-dependent luminescence-decay was reported, and the ligand in that complex includes a large number of… read more here.

Keywords: lanthanide complexes; computational study; study responsive; complex ... See more keywords
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Lanthanide complexes with polyaminopolycarboxylates as prospective NMR/MRI diagnostic probes: peculiarities of molecular structure, dynamics and paramagnetic properties

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Published in 2021 at "Journal of Inclusion Phenomena and Macrocyclic Chemistry"

DOI: 10.1007/s10847-021-01112-3

Abstract: The paramagnetic lanthanide complexes with polyaminopolycarboxylate (PAPC) ligands attract considerable attention from the standpoint of potential applications thereof as relaxation agents used in medical magnetic resonance imaging (MRI) and in luminescent materials, as well as… read more here.

Keywords: lanthanide complexes; complexes polyaminopolycarboxylates; lanthanide; structure ... See more keywords
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Synthesis and luminescence of new water-soluble lanthanide complexes of DTTA-containing 4-(4-methoxyphenyl)-2,2′-bipyridine

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Published in 2018 at "Inorganica Chimica Acta"

DOI: 10.1016/j.ica.2018.03.016

Abstract: Abstract A new DTTA-appended 4-(4-methoxyphenyl)-2,2′-bipyridine ligand has been synthesized for lanthanide cations by Krohnke method. Its luminescent lanthanide (Eu3+ and Tb3+) water-soluble complexes have been synthesized. The photophysical properties of new chelates were studied. Comparison… read more here.

Keywords: lanthanide; synthesis luminescence; water soluble; methoxyphenyl bipyridine ... See more keywords
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Enhanced full color tunable luminescent lyotropic liquid crystals from P123 and ionic liquid by doping lanthanide complexes and AIEgen.

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Published in 2018 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2018.06.012

Abstract: HYPOTHESIS The soft materials from ionic liquid mediated lyotropic liquid crystals (LLCs) containing europium complexes have exhibited enhanced luminescence efficiencies and photo-stabilities. The combination with aggregation-induced emissive compounds (AIEgens), however, may produce multicolor and even… read more here.

Keywords: color; ionic liquid; liquid; lyotropic liquid ... See more keywords
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Synthesis, photophysical and cellular characterisation of folate and methotrexate labelled luminescent lanthanide complexes.

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Published in 2018 at "Journal of inorganic biochemistry"

DOI: 10.1016/j.jinorgbio.2017.10.003

Abstract: In this work we have developed a series of highly emissive europium(III) and terbium(III) complexes tethered to either folic acid (FA) or methotrexate (MTX), with the aim of developing visual probes that enable the imaging… read more here.

Keywords: iii; methotrexate; folate; synthesis photophysical ... See more keywords
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Synthesis and strong luminescence of water soluble lanthanide complexes sensitized by a new tridentate organic ligand

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Published in 2017 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2017.03.043

Abstract: Abstract Sensitive biological analysis requires optical labels have good water solubility and relative longer excitation wavelength. Herein, two water-soluble lanthanide (Ln) organic complexes, Na 3 Ln(DIEDPA) 3 (Ln=Eu, Tb) have been synthesized with a new… read more here.

Keywords: water soluble; lanthanide; new tridentate; soluble lanthanide ... See more keywords
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Cationic-lanthanide-complex-catalyzed reaction of 2-hydroxychalcones with naphthols: Facile synthesis of 2,8-dioxabicyclo[3.3.1]nonanes

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Published in 2018 at "Tetrahedron"

DOI: 10.1016/j.tet.2018.06.038

Abstract: Abstract Cationic lanthanide complexes [Ln(CH3CN)9]3+[(AlCl4)3]3–·CH3CN served as efficient catalysts for the tandem Friedel–Crafts alkylation/ketalization reaction of 2-hydroxychalcones with naphthols/substituted phenols to produce diaryl-fused 2,8-dioxabicyclo[3.3.1]nonanes in moderate to high yields. The high catalytic efficiency of the… read more here.

Keywords: reaction hydroxychalcones; dioxabicyclo nonanes; lanthanide; hydroxychalcones naphthols ... See more keywords
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Exploiting the Fluxionality of Lanthanide Complexes in the Design of Paramagnetic Fluorine Probes.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.1c03908

Abstract: Fluorine-19 MRI is increasingly being considered as a tool for biomolecular imaging, but the very poor sensitivity of this technique has limited most applications. Previous studies have long established that increasing the sensitivity of 19F… read more here.

Keywords: exploiting fluxionality; fluorine; highly fluxional; fluorine nuclei ... See more keywords
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Synthesis of N-Methyl-o-phenylenediamine-Bridged Bis(phenolato) Lanthanide Alkoxides and Their Catalytic Performance for the (Co)Polymerization of rac-Butyrolactone and l-Lactide.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c00582

Abstract: A series of lanthanide alkoxo complexes supported by ONNO salalen ligands were synthesized and characterized. A one-pot reaction of LH2 (L = (2-O-C6H2-tBu2-3,5)CH═N-C6H4-N(CH3)CH2(2-O-C6H2-tBu2-3,5)) with LnCp3(THF) in a 1:1 molar ratio followed by the addition of… read more here.

Keywords: spectroscopy; lanthanide alkoxo; alkoxo complexes; rac butyrolactone ... See more keywords
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Stable Lanthanide-Organic Frameworks: Crystal Structure, Photoluminescence, and Chemical Sensing of Vanillylmandelic Acid as a Biomarker of Pheochromocytoma.

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Published in 2023 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.3c00109

Abstract: Several isostructural lanthanide metal-organic frameworks, viz. [Ln(DCHB)1.5phen]n (Ln-MOFs, where Ln = Eu for 1, Tb for 2, Sm for 3 and Dy for 4), are successfully synthesized through the hydrothermal reactions of 4'-di(4-carboxylphenoxy)hydroxyl-2, 2'-bipyridyl (H2DCHB)… read more here.

Keywords: structure; organic frameworks; vanillylmandelic acid; sensing vanillylmandelic ... See more keywords