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Published in 2019 at "Research on Chemical Intermediates"
DOI: 10.1007/s11164-019-03768-6
Abstract: A metal–organic framework lanthanum(III) complex with formula ([La(pydc)2(H2O)3]·4H2O)n (1), where pydc = pyridine-2,6-dicarboxylic acid, was synthesized through a sonochemical process. Complex 1 was characterized using elemental analysis, atomic absorption spectroscopy, conductivity measurements, Fourier-transform infrared (FT-IR) spectroscopy, thermogravimetric…
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Keywords:
la2o3 nanoparticles;
lanthanum iii;
spectroscopy;
iii complex ... See more keywords
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Published in 2017 at "Journal of the Iranian Chemical Society"
DOI: 10.1007/s13738-017-1172-3
Abstract: In the present study, two water-soluble lanthanum(III) hexaaza Schiff base complexes were synthesized and characterized and also theoretically investigated. The interactions of these complexes with DNA and bovine serum albumin (BSA) were studied using different…
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Keywords:
lanthanum iii;
dna;
dna bovine;
binding affinity ... See more keywords
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Published in 2017 at "Arabian Journal of Chemistry"
DOI: 10.1016/j.arabjc.2012.11.016
Abstract: Abstract A one-pot, multi-component coupling reaction of aromatic aldehydes, 2-naphthol and semicarbazide (hydrochloride)/thiosemicarbazide using LaCl 3 /ClCH 2 COOH as an efficient catalyst system under solvent free condition at elevated temperature was investigated. High yields,…
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Keywords:
iii chloride;
chloride chloroacetic;
lanthanum iii;
acid efficient ... See more keywords
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Published in 2019 at "Ecotoxicology and environmental safety"
DOI: 10.1016/j.ecoenv.2018.10.004
Abstract: The accumulation of rare earth elements (REEs) in the environment has become an environmental safety issue that cannot be ignored. However, previous studies on the environmental risks of REEs have mostly been performed at the…
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Keywords:
lanthanum iii;
effects lanthanum;
aboveground modules;
soybean populations ... See more keywords
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Published in 2018 at "International journal of biological macromolecules"
DOI: 10.1016/j.ijbiomac.2018.01.138
Abstract: In the present work, lanthanum (III) encapsulated chitosan-montmorillonite composite (La-CS-MMT) was prepared as an adsorbent for the effective removal of phosphate ions from aqueous solution. Characterization of the adsorbent using FT-IR, XRD, SEM with EDX,…
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Keywords:
lanthanum iii;
chitosan montmorillonite;
iii encapsulated;
encapsulated chitosan ... See more keywords
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Published in 2017 at "Journal of Molecular Structure"
DOI: 10.1016/j.molstruc.2016.10.076
Abstract: Abstract The binding of the lanthanum(III) complex containing 1,10-phenanthroline (phen), [La(phen) 3 Cl 3 ·OH 2 ], to DNA is investigated by absorption and emission methods. This complex shows absorption decreasing in a charge transfer…
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Keywords:
lanthanum iii;
dft studies;
photochemical dft;
phenanthroline ... See more keywords
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Published in 2017 at "Polyhedron"
DOI: 10.1016/j.poly.2017.01.053
Abstract: Abstract Lanthanum complexes possessing dihydroxyaromatic guests namely, (H2bpy)1.5[La(26pdc)3]·2(cat)·4H2O, (H2bpy)3[La(26pdc)3]2·3(23dhn)·19H2O, (H2bpy)1.5 [La(26pdc)3]·3(27dhn)·10H2O [26pdc = 2,6-pyridinedicarboxylate, bpy = 4,4′-bipyridine, cat = 1,2-dihydroxybenzene, 23dhn = 2,3-dihydroxynaphthalene, 27dhn = 2,7-dihydroxynaphthalene] are synthesized from 4,4′-bipyridinium lanthanum(III) tris-pyridinedicarboxylate and structurally characterized. Two different types of templates to accommodate hosts are found…
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Keywords:
lanthanum iii;
iii dipicolinate;
h2bpy 26pdc;
inclusion dihydroxyaromatics ... See more keywords
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Published in 2020 at "Chemical communications"
DOI: 10.1039/d0cc05582d
Abstract: The combination of lanthanum(iii) triflate, sulfur, and dimethyl sulfoxide prompted a facile, direct preparation of 2,5-diformylfuran from glucose and fructose. The one-step dehydration/oxidation of fructose afforded 2,5-diformylfuran in an excellent yield with high selectivity. The…
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Keywords:
lanthanum iii;
diformylfuran;
triflate sulfur;
one step ... See more keywords
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Published in 2020 at "RSC Advances"
DOI: 10.1039/d0ra01936d
Abstract: A new series of lanthanum(III) complexes was synthesized using a p-anisidine-appended 1-hydroxy-2-acetonapthanone (3) Schiff base and characterized via spectroscopic methods. The ligand was synthesized via sonication and the crystalline product was characterized using X-ray crystallography.…
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Keywords:
anisidine appended;
lanthanum iii;
hydroxy acetonapthanone;
iii complexes ... See more keywords
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Published in 2020 at "Journal of Dispersion Science and Technology"
DOI: 10.1080/01932691.2020.1789472
Abstract: Abstract A novel lanthanum-sodium alginate hydrogel (La-SA) biosorbent has been successfully prepared by the cross-linking reaction of sodium alginate (SA) with lanthanum(III) ions, and characterized by Scanning Electron Microscopy (SEM) and Energy Dispersive Spectroscopy (EDS),…
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Keywords:
alginate;
adsorption;
lanthanum iii;
anionic azo ... See more keywords
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Published in 2019 at "International Journal of Environmental Analytical Chemistry"
DOI: 10.1080/03067319.2019.1625338
Abstract: ABSTRACT A novel ion-selective electrochemical sensor based on kryptofix-22DD (1,10-didecyl-1,10-diaza-18-crown-6) as an ionophore was constructed for determination of lanthanum(III) cation in solutions. The D-Optimal Mixture Design(D-OMD) was used as an experimental design strategy for optimal…
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Keywords:
cation;
lanthanum iii;
based kryptofix;
kryptofix 22dd ... See more keywords