A series of one-dimensional complexes [Ln(L(1))(3)(HOCH(2)CH(2)OH)](n) (L(1) = 2-furoate anion; Ln Nd (1), Sm (2), Gd (3), Tb (4), Dy (5), Er (6)) have been synthesized. The were crystallized in the monoclinic space group P2(1)/c and show a chain-like structure determined by single-crystal X-ray diffraction. Magnetic properties indicate that carboxyl mediates different magnetic couplings light heavy rare earth complexes, namely, antiferromagnetic interaction between ions ferromagnetic ones....

is a promising electrode material for high power density lithium-ion batteries and hybrid supercapacitors, but has the drawback of low electrical conductivity. We report thermal vapor decomposition method to coat uniform nanothickness graphitized-carbon on particle surface. The resulting product coated at 800°C thick carbon layer conductivity , which much higher than that raw . As result, it shows better rate capability when used as negative electrochemical supercapacitors. AC impedance...

By changing the counterions (ClO4- and CF3SO3-) coordination anions (Cl- Br-), we investigated their influences on structures performances of a class Zn2Dy chiral single-molecule magnets (SMMs), which are based pair Schiff bases R,R-H2LSchiff S,S-H2LSchiff {R,R-H2LSchiff = 2-((E)-((1R,2R)-2-((E)-2-hydroxy-3-methoxybenzylideneamino)cyclohexylimino)methyl)-6-methoxyphenol 2-((E)-((1S,2S)-2-((E)-2-hydroxy-3-methoxybenzylideneamino)cyclohexylimino)methyl)-6-methoxyphenol}. Three pairs base...

Three two-dimensional (2D) chiral Ag(I) complexes with formulas [Ag

Reaction of the chiral ligand (−)-4,5-pinenepyridyl-2-pyrazine (L) with Ln(hfac)3·2H2O precursors [hfac− = 1,1,1,5,5,5-hexafluoroacetylacetonate, Ln Sm3+ (1), Eu3+ (2), Tb3+ (3) and Dy3+ (4)] in methanol solution led to formation four noncentrosymmetric lanthanide complexes general formula [Ln(hfac)3L]n·H2O. The single-crystal X-ray diffraction analyses revealed that they are isostructural take a one-dimensional (1D) chain structure based on Ln(hfac)3L repeating units, which nine-coordinate...

Abstract Background Recent evidence has demonstrated the role of angiogenesis in pathogenesis pulmonary fibrosis. Endostatin, a proteolytic fragment collagen XVIII, is potent inhibitor angiogenesis. The aim our study was to assess whether endostatin beneficial effects on bleomycin (BLM)-induced fibrosis rats. Methods rats were randomly divided into five experimental groups: (A) saline only, (B) BLM (C) plus early treatment, (D) late and (F) whole-course treatment. We investigated...

The structures and properties of two mononuclear Dy(iii) enantiomeric pairs were dramatically controlled by crystallization temperature; the pair with coordinated chiral N,N'-donor ligands exhibits enhanced single-ion magnetic, ferroelectric chiroptical respect to other one protonated ligands.

Medical thoracoscopy is considered an overall safe procedure, whereas numbers of studies focus on complications diagnostic and talc poudrage pleurodesis. We conduct this study to evaluate the safety medical in management pleural diseases compare different therapeutic thoracoscopic procedures.A retrospective was performed 1926 patients, 662 whom underwent for diagnosis 1264 interventions diseases. Data were obtained from notes computer system, laboratory radiographic findings. Chi-square test...

Using enantiomerically pure bidentate and tridentate N-donor ligands (1LR/1LS 2LR/2LS) to replace two coordinated H2O molecules of Yb(tta)3(H2O)2, respectively, eight- nine-coordinated YbIII enantiomeric pairs, namely, Yb(tta)31LR/Yb(tta)31LS (Yb-R-1/Yb-S-1) [Yb(tta)32LR]·CH3CN/[Yb(tta)32LS]·CH3CN (Yb-R-2/Yb-S-2), were isolated, in which Htta = 2-thenoyltrifluoroacetone, 1LR/1LS (-)/(+)-4,5-pinene-2,2'-bipyridine, 2LR/2LS (-)/(+)-2,6-bis(4',5'-pinene-2'-pyridyl)pyridine. Interestingly, they...

The first examples of NIR-emissive lanthanide complexes displaying simultaneous SHG and THG responses were discovered.

Four pairs of enantiomers ferromagnetically coupled Dy 2 single-molecule magnets, which show both strong magneto-optical Faraday effects and third-harmonic generation, are directionally constructed.

Two chiral tetradecanuclear hydroxo-lanthanide clusters of composition Ln14(µ4-OH)2(µ3-OH)16(µ-η2-acac)8(η2-acac)16·6H2O, where Ln = Dy 1, Tb 2 and acac acetylacetonato, have been prepared characterized by X-ray crystallographic, magnetic spectroscopic methods. They crystallize in monoclinic space group C2, which is exceptionally rare clusters, present luminescent properties.

By utilizing Dy(hfac)3(H2O)2 to react with enantiomerically pure tridentate N,N,N-pincer ligands, namely (−)/(+)-2,6-bis(4′,5′-pinene-2′-pyridyl)pyridine (LR and LS), respectively, homochiral DyIII enantiomeric pairs formulated as Dy(hfac)3LR/Dy(hfac)3LS (R-1/S-1) (hfac– = hexafluoroacetylacetonate) were achieved structurally characterized. Meanwhile, their magnetic, photoluminescent (PL), chiroptical properties probed. The PL test results indicate that the precursor only shows very weak...

Using Dy(dbm)3(H2O) and Dy(btfa)3(H2O)2 to react with enantiopure N-donors, (-)/(+)-4,5-pinenepyridyl-2-pyrazine (LR/LS), respectively, two pairs of chiral DyIII enantiomers, Dy(dbm)3LR/Dy(dbm)3LS (R-1-Dy/S-1-Dy) Dy(btfa)3LR/Dy(btfa)3LS (R-2-Dy/S-2-Dy) were obtained, wherein one the benzene rings dbm- (dibenzoylmethanate) in R-1-Dy/S-1-Dy is displaced by -CF3 group btfa- (4,4,4-trifluoro-1-phenyl-1,3-butanedionate) R-2-Dy/S-2-Dy. Interestingly, this substitution results not only giant...

At different reaction temperatures, using Cu(NO3)2·3H2O to react with enantiomerically pure N-donor ligands (LS/LR), respectively, two pairs of chiral one-dimensional (1D) CuII chain enantiomers formulated as [Cu(μ2-NO3)(NO3)(LS)]n/[Cu(μ2-NO3)(NO3)(LR)]n (S-1-Cu/R-1-Cu, formed at 40 °C an NO3- group a sole bridging ligand) and [Cu(μ2-LS)(NO3)2]n/[Cu(μ2-LR)(NO3)2]n (S-2-Cu/R-2-Cu, 25 LS or LR were prepared, where LS/LR = (+)/(-)-4,5-pinenepyridyl-2-pyrazine. Interestingly, such disparity in...

Using the enantiomeric bis-bidentate bridging ligands (+)/(−)-2,5-bis(4,5-pinene-2-pyridyl)pyrazine (LS/LR) and depending on ratio control of reactants, two mono- dinuclear Eu(III)-based pairs with formulae Eu(dbm)3LR/S·2H2O (LR in R-1, LS S-1 dbm = dibenzoylmethanato) Eu2(dbm)6LR/S·H2O R-2 S-2) have been stereoselectively synthesized structurally characterized. The circular dichroic (CD) spectra confirmed their chiroptical activities natures. homochiral species represents first example a...

Homochiral Eu^III and Sm^III complexes provide an extraordinary example that integrates PL, TL CPL photofunctions in one molecule.

A new pair of Dy(<sc>iii</sc>)-β-diketonate enantiomers with chiral <italic>N,N</italic>′-donor ligands display chiroptical activities and ferroelectric single-ion magnetic properties, act as potential multifunctional molecule-based materials.

Two new Evans-Showell-type polyoxometalate (POM)-based metal-organic complexes, namely {Cu3(L1)1.5(H2O)5[Co2Mo10H4O38]}·5H2O (1), {[Cu(L2)0.5(H2O)2]2[Co2Mo10H4O38]}·6H2O (2) (L1 = N,N'-bis(2-pyrazinecarboxamide)-1,4-butane, L2 N,N'-bis(2-pyrazinecarboxamide)-1,6-hexane), were successfully synthesized and structurally characterized by single-crystal X-ray diffraction, elemental analysis, IR spectroscopy, powder diffraction (PXRD) thermogravimetric analyses (TGA). In complex 1, the adjacent...

We demonstrate that ionic CPs with noncentrosymmetric structures are good candidates for the simultaneous observation of high-performance SHG and THG responses.

By introducing enantiomerically pure mono-bidentate N-donor ligands (LR/LS) into Yb(btfa)3(H2O)2 and Yb(dbm)3(H2O), respectively, two pairs of chiral YbIII enantiomers, namely Yb(btfa)3LR/Yb(btfa)3LS (D-1/L-1) [Yb(dbm)3LR]·[Yb(dbm)3(C2H5OH)]/[Yb(dbm)3LS]·[Yb(dbm)3(C2H5OH)] (D-2/L-2) were isolated, where btfa- = 3-benzoyl-1,1,1-trifluoroacetonate, dbm- dibenzoylmethanate, LR/LS (-)/(+)-4,5-pinenepyridyl-2-pyrazine. D-1/L-1 possess mononuclear structures in which the ions are...

We demonstrate that the SHG and THG responses of complexes can be regulated by metal ions.