Phase relations in the Me2MoO4–In2(MoO4)3–Hf(MoO4)2 systems, where Me = Li, K, Tl, Rb, Cs

Received: 26.09.2018. Accepted: 12.10.2018. Published: 31.10.2018.The Me2MoO4–In2(MoO4)3–Hf(MoO4)2 systems where Me = Li, K, Tl, Rb, Cs were studied in the subsolidus region using an X-ray powder diffraction. Quasi-binary joins were revealed, and triangulation carried out. The formation of ternary molybdates Me5InHf (MoO4)6 for Me = K, Tl, Rb, Cs and Мe2InHf2(MoO4)6.5 for Me = Rb, Cs was established.The work was carried out according to the state assignment BINM SB RAS (project no. 0339‑2016‑0007) and RFBR, grants Nos. 18‑03‑00799

Phase diagrams for the M2MoO4–Ln2(MoO4)3–Hf(MoO4)2 systems, where M = Li–Cs, Tl and Ln = La–Lu

In this paper, the results of systematic studies of complex molybdate systems M2MoO4–Ln2(MoO4)3–Hf(MoO4)2 (M = Li–Cs, Tl; Ln = La–Lu) are presented. Subsolidus phase diagrams of ternary systems were constructed and new triple molybdates were obtained. The optimum synthesis conditions for poly- and monocrystalline form were determined. According to single-crystal data, the structure of one of the representatives of triple molybdates was determined.In this paper, the results of systematic studies of complex molybdate systems M2MoO4–Ln2(MoO4)3–Hf(MoO4)2 (M = Li–Cs, Tl; Ln = La–Lu) are presented. Subsolidus phase diagrams of ternary systems were constructed and new triple molybdates were obtained. The optimum synthesis conditions for poly- and monocrystalline form were determined. According to single-crystal data, the structure of one of the representatives of triple molybdates was determined

NEW DATA ON AGE AND NATURE OF CARBONIZATION WITHIN SOUTHERN FLANK OF THE BAIKAL LEDGE OF THE SIBERIAN CRATON BASEMENT

The Baikal ledge rock formations in the Siberian craton structure are included in the Akitkan mobile belt which is considered as the Late Paleoproterozoic independent island arc system moved up to the ancient basement during the terrains amalgamation 1.91–2.00 Ga ago (Fig. 1) [Rosen, 2003; Gladkochub et al., 2009; Didenko et al., 2013].The Baikal ledge rock formations in the Siberian craton structure are included in the Akitkan mobile belt which is considered as the Late Paleoproterozoic independent island arc system moved up to the ancient basement during the terrains amalgamation 1.91–2.00 Ga ago (Fig. 1) [Rosen, 2003; Gladkochub et al., 2009; Didenko et al., 2013]

NOOTROPIC EFFECT OF COMPLEX PHYTOREMEDY «NOOPHYT» EXTRACT

In experiments on white rats (Wistar line) it was found that the dry extract of phytoremedy «Noophyt» pronounced nootropic effect. «Noophyt» extract in a volume of 0,2 and 0,5 ml/100 g simulated the development of conditioned reflexes of active and passive avoiding and caused to the saving of a memorable trace in the kept away terms after training оf intact animals and also in a volume of 0.5 ml/100g has a marked effect on the background antiamnesic skopolaminovoy amnesia

Exploration of structural, thermal, vibrational and spectroscopic properties of new noncentrosymmetric double borate Rb3NdB6O12

New noncentrosymmetric rare earth borate Rb3NdB6O12 is found in the ternary system Rb2O–Nd2O3–B2O3. The Rb3NdB6O12 powder was fabricated by solid state synthesis at 1050 K for 72 h and the crystal structure was obtained by the Rietveld method. Rb3NdB6O12 crystallized in space group R32 with unit cell parameters a = 13.5236(4), c = 31.162(1) Å, Z = 3. From DSC measurements, the reversible phase transition (I type) in Rb3NdB6O12 is observed at 852–936 K. The 200 μm thick tablet is transparent over the spectral range of 0.3–6.5 μm and the band gap is found as Eg ∼ 6.29 eV. Nonlinear optical response of Rb3NdB6O12 tested via SHG is estimated to be higher than that of K3YB6O12. Blue shift of Nd luminescent lines is found in comparison with other borates. The vibrational parameters of Rb3NdB6O12 are evaluated by experimental methods

DYNAMICS OF COREGONUS MIGRATORIUS (COREGONIDAE) SELENGA POPULATION CONTAMINATION WITH DIPHYLLOBOTHRIUM DENDRITICUM AND DIPHYLLOBOTHRIOSIS MORBIDITY IN BURYATIA REPUBLIC

The paper is devoted to the long-term dynamics of Baikalian omul contamination with plerocercoids of Diphyllobothrium. dendriticum during the spawning migration into the Selenga River. Contamination peacks were in 2005 and 2011. Dynamic of diphyllobothriosis morbidity in Buryatia Republic in 2000-2011 have shown increasing trend of helm.inth.osis with 5-year cycle

Dissecting the role of single nucleotide polymorphism of lymphotoxin beta gene during pig domestication using bioinformatic and experimental approaches

Studies of wild and laboratory animals have revealed a trade-off between reproductive success and immunity. Therefore, it is likely that domestication favored selection of individuals with high reproductive performance but low immunity. The low responsiveness of the immune system could become hereditary through fixation of genes with “unfavorable” mutations in populations. The objectives of this work are: 1) determination of frequencies of genotypes and alleles of the rs340283541 SNP in the gene for the lymphotoxin beta (LTB) cytokine in pigs of domestic breeds and wild boars; 2) investigation of the expression of LTB mRNA in minipigs with different genotypes, and 3) bioinformational analysis of the putative functional role of the SNP. The frequency of the GG genotype in the wild boar sample was significantly lower than in the pooled sample of domestic pigs. The LTB mRNA expression rate in the lymph node of minipigs with genotype GG tended to increase (p < 0.06) in comparison with carriers o allele A. The rs340283541 SNP occurs in a DNA motif highly conservative among 11 mammalian species; thus, it may be of functional significance. Context analysis shows that allele A has putative binding sites for  transcription factors BRN-2 and AP-1, whereas allele G has binding sites for transcription factors RFX1, ISGF3 (site ISRE), and USF expressed in cells of the immune system. Thus, pig domestication was accompanied by an increase in the frequency of the GG genotype for the rs340283541 SNP, occurring in the 3’ region of the LTB gene. It is likely that the GG genotype is associated with elevated LTB mRNA expression in the lymph node tissue. This increase may be related to the formation of binding sites for RFX1, ISRE, and USF and/or disruption of binding sites for BRN-2 and AP-1. A linkage disequilibrium between rs340283541 and another functionally significant mutation in LTB is also conceivable