Articles with "lanthanum iii" as a keyword



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Lanthanum(III) complex as ferromagnetic supraprecursor for preparation of La2O3 nanoparticles by thermal decomposition method

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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… read more here.

Keywords: la2o3 nanoparticles; lanthanum iii; spectroscopy; iii complex ... See more keywords
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Competitive binding affinity of two lanthanum(III) macrocycle complexes toward DNA and bovine serum albumin in water

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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… read more here.

Keywords: lanthanum iii; dna; dna bovine; binding affinity ... See more keywords
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Lanthanum(III) chloride/chloroacetic acid as an efficient and reusable catalytic system for the synthesis of new 1-((2-hydroxynaphthalen-1-yl)(phenyl)methyl)semicarbazides/thiosemicarbazides

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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,… read more here.

Keywords: iii chloride; chloride chloroacetic; lanthanum iii; acid efficient ... See more keywords
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Analysis for effects of lanthanum (III) on the aboveground modules and respiration of soybean populations.

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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… read more here.

Keywords: lanthanum iii; effects lanthanum; aboveground modules; soybean populations ... See more keywords
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Lanthanum (III) encapsulated chitosan-montmorillonite composite for the adsorptive removal of phosphate ions from aqueous solution.

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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,… read more here.

Keywords: lanthanum iii; chitosan montmorillonite; iii encapsulated; encapsulated chitosan ... See more keywords
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Photochemical and DFT studies on DNA-binding ability and antibacterial activity of lanthanum(III)-phenanthroline complex

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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… read more here.

Keywords: lanthanum iii; dft studies; photochemical dft; phenanthroline ... See more keywords
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Inclusion of dihydroxyaromatics by a lanthanum(III) 2,6-dipicolinate complex

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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… read more here.

Keywords: lanthanum iii; iii dipicolinate; h2bpy 26pdc; inclusion dihydroxyaromatics ... See more keywords
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One-step synthesis of 2,5-diformylfuran from monosaccharides by using lanthanum(III) triflate, sulfur, and DMSO.

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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… read more here.

Keywords: lanthanum iii; diformylfuran; triflate sulfur; one step ... See more keywords
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Docking and in vitro molecular biology studies of p-anisidine-appended 1-hydroxy-2-acetonapthanone Schiff base lanthanum(iii) complexes

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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.… read more here.

Keywords: anisidine appended; lanthanum iii; hydroxy acetonapthanone; iii complexes ... See more keywords
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Excellent biosorption performance of novel alginate-based hydrogel beads crosslinked by lanthanum(III) for anionic azo-dyes from water

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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),… read more here.

Keywords: alginate; adsorption; lanthanum iii; anionic azo ... See more keywords
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Graphite disk Lanthanum(III)-selective electrode based on Kryptofix-22DD

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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… read more here.

Keywords: cation; lanthanum iii; based kryptofix; kryptofix 22dd ... See more keywords