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Article
Lability of spin state of Fe(III) complexes with tetradentate Schiff’s bases
[FeLX2]Y [L = N,N'-ethylenebis(salicylimine) (salen), N,N'-ethylenebis(acetylacetonylimine) (acen), or N,N'-ethylenebis(3-methyloxysalicylimine) (vanen); X = imidazole or N-methylimidazole; Y = BF4, ClO4, or BPh4
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Article
Specific features of spin-variable properties of [Fe(acen)pic2]BPh4 · nH2O
The [Fe(acen)pic2]BPh4 · nH2O compound has been synthesized and studied in the temperature interval of 5–300 K by the methods of EPR and magnetic susceptibility. The existence of ferromagnetic interactions betwee...
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Article
Preparation and liquid-crystalline properties of mono- and binuclear complexes of Fe(III) with pentadentate Schiff’s base
Liquid-crystalline mono-and binuclear complexes of Fe(III) based on pentadentate Schiff’s base, N,N′-bis(2-hydroxy-4-octadecyloxybenzyliden)-1,7-diamino-4-azaheptane, have been prepared for the first time. The ef...
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Article
Thermo- and photoinduced properties of the Fe(III) complexes with the pentadentate ligand according to the EPR data
Compounds [Fe(Salten)L]BPh4 (Salten = N,N-bis[(2-oxyphenyl)methylene]-4-azaheptane-1,7-diamine; L = Him (I) and Pic (II)) were studied by the EPR method in the temperature range from 5 to 300 K. The thermoinduced...
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Article
Spin Crossover [Fe(qsal)2]X (X = Cl, SCN, CF3SO3) Complexes: EPR and DFT Study
The compounds [Fe(qsal)2]X (X = Cl, SCN, CF3SO3) were synthesized and investigated by electron paramagnetic resonance (EPR). The dependence of the Fe(III) spin state on the type of counterion X and on the tempera...
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Article
EPR of the first Fe(III)-containing spin-crossover metallomesogens
The low-spin (LS) to high-spin (HS) transition in two mesogenic Fe(III) complexes with alkyloxysalicyliden-N′-ethyl-N-ethylendiamine as ligands is studied by electron paramagnetic resonance (EPR). The symmetrizat...
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Article
Lanthanide Liquid Crystalline Complexes with Perfluoroalkylsulfate Anion
Lanthanide complexes L"3Ln(ROSO3)3 are synthesized with Ln(III) = Eu, Tb, Dy, Ho, Er, Tm, Yb; L" = 4-tetradecyloxy-N-octadecyl-2-hydroxybenzaldimine and perfluoro-substituted alkylsulfate anion as counterion (whe...
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Article
Magnetic anisotropy of liquid crystals based on lanthanide mesogenic complexes
The values of magnetic anisotropy of smectic A-phases for a number of lanthanide complexes (LH)2LM(NO3)2, where M=Nd, Eu, Gd, Tb, Dy, Ho, and Er, and LH is a Schiff's base), were measured. These values are two or...
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Article
Synthesis and mesogenic properties of azomethine complexes of lanthanides with alkyl sulfate anions
Liquid-crystalline cationic complexes of lanthanides with azomethines containing the alkyl sulfate anion as the counterion were synthesized. The temperatures of existence of the mesophase of the complexes with...
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Article
The synthesis of liquid crystalline lanthanide complexes and their magnetic birefringence
Liquid crystalline complexes of the type [ML(LH)2](NO3)2, where LH=C7H15O-C6H3(OH)CH=N-C18H37 and M=Gd, Dy, and La, have been obtained. All of them exhibit the SA phase and have high magnetic birefringence consta...
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Article
The problem of controlling a Wiener process when the number of switchings is bounded
We are considering the problem of controlling a one-dimensional Wiener process ξ(t) ξ(0)=0,EΔξ=0,DΔξ=σ 2Δt.
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Article
Liquid-crystalline complexes of rare-earth elements with a Shiff base
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Article
Synthesis and liquid-crystalline properties of copper(II) bis[4-heptyloxy-N-(aryl)benzaldimine-2-olates]
We describe the synthesis and liquid-crystalline properties of copper complexes with Schiffs bases. We show that when going from ligands to complexes, the mesophase interval narrows until it disappears and the...
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Article
Effect of chondroitin sulfate preparations on wound healing and strength of the surgical scar
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Article
Synthesis and liquid-crystalline properties of 4-(heptyloxy)-n-(aryl)benzaldimin-2-ols
The synthesis and liquid-crystalline properties of 4-(heptyloxy)-N-(aryl)benzaldimin-2-ols have been described. The compounds obtained have smectic and nematic mesomorphism. Alternation of the bleaching temper...
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Article
Paramagnetic liquid crystal complex of iron(III) with a schiff base
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Article
Synthesis of a phosphate with liquid crystal properties
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Article
Liquid crystal complexes of copper with Schiff bases
A synthesis is reported for paramagnetic copper complexes of Schiff bases possessing liquid crystal properties.
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Article
Liquid-crystalline copper and vanadyl dioctylarsinates
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Article
Stimulating effect of a combination of lactin and hyphotocin on galactopoiesis in rats