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Article
Separation of Salts NaCl and CaCl2 in Aqueous-Carbon Dioxide Deep Fluids
The possibility of changing the ratio of the concentrations of NaCl and CaCl2 salts in fluid phases formed as a result of heterogenization of the H2O–CO2–NaCl–CaCl2 fluid with a decrease in P-T parameters has bee...
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Article
Open AccessChlorine Solubility in Silicate Melts: New Experiments and Thermodynamic Mixing Model
We present new experimental data on Cl solubility in model basalt melts of eutectic compositions diopside (Di)–albite (Ab) and Di–anorthite ± quartz (Qtz). The starting glasses were equilibrated with aqueous NaCl...
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Article
Open AccessErratum to: Thermodynamic Model of the Fluid System H2O–CO2–NaCl–CaCl2 at P-T Parameters of the Middle and Lower Crust
An Erratum to this paper has been published: https://doi.org/10.1134/S0869591123340027
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Article
The First Data on the Mercury Content and Its Forms in the Ferromanganese and Ferruginous Formations of Chaun Bay
For the first time, data on the mercury content and its forms in the ferromanganese and ferruginous formations of the Chaun Bay (East Siberian Sea) were obtained. According to the geochemical classification, t...
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Article
Epidemiological Screening for the Risk of Mental, Behavioral and Developmental Disorders, Including Autism, in Early Childhood: Data for Russia 2017–2019
We aimed to screen children aged 18–48 months in the general population of nine Russian regions for risk of mental, behavioral and developmental disorders (MBDDs) including autism spectrum disorders (ASD) usin...
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Article
Open AccessThermodynamic Model of the Fluid System H2O–CO2–NaCl–CaCl2 at P-T Parameters of the Middle and Lower Crust
Based on the earlier obtained equations of state for the ternary systems H2O–CO2–CaCl2 and H2O–CO2–NaCl, an equation of state for the four-component fluid system H2O–CO2–NaCl–CaCl2 is derived in terms of the Gibb...
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Article
Background Geochemical Mercury in the Bottom Sediments of the Eastern Arctic
Layers accumulated in the pre-industrial period were selected using dated bottom sediment cores. They determine the mercury concentrations that are the geochemical background for the selected water basins. The...
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Article
Molecular Dynamics Simulation of the Conformational Mobility of the Lipid-Binding Site in the Apolipoprotein E Isoforms ε2, ε3, and ε4
Neurodegenerative disorders, particularly Alzheimer’s disease, have become a major global healthcare issue. Despite extensive research, the molecular mechanisms underlying these disorders have yet to be identi...
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Article
Determination of the Female-Biased Sex Ratio in Some Young-of-the-Year and Spawner Samples of the Threespine Stickleback Gasterosteus aculeatus by Environmental, Not Genetic, Factors
Genetic markers (sex-specific loci of Ga1 and Ga2) have been used to analyze the sex ratio of the threespine stickleback at different stages of ontogenesis. The progeny of all individually tested females inclu...
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Article
Phase State and Thermodynamic Parameters of the Fluid System H2O–CO2–CH4 at P-T Conditions of the Crust and Lithosphere Mantle
Calculations of the thermodynamic properties of the ternary fluid system H2O–CO2–CH4 in a broad range of P-T parameters above the critical point of water are presented. The calculations are based on the known equ...
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Article
Immunomorphological Changes in Neuronal and Non-Neuronal Structures in the Rat Intestine in a Toxin-Induced Model of Parkinsonism
The damage to the enteric nervous system structures and the localization of total and phosphorylated α-synuclein, the main pathomorphological marker of parkinsonism, were studied by immunomorphological methods...
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Article
Desulfovibrio Isolate from the Microbiote of Children with Autistic Spectrum Disorders Immobilizes Iron in Poorly Soluble Crystalline Sulfides
Sulfate-reducing bacteria (SRB) of the genus Desulfovibrio are one of the groups occurring in elevated numbers in the gut of children with autistic spectrum disorders (ASD). Until now, high abundance of Desulfovi...
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Article
Integrated Geological–Geophysical and Oceanographic Research in the South China Sea: Cruise 88 of the R/V “Akademik M.A. Lavrentyev”
Abstract—The paper gives brief results of comprehensive studies in the South China Sea obtained from a joint Russian–Vietnamese expedition in November 2019 (cruise 88 of the R/V “Akademik M.A. Lavrentyev”). The s...
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Article
Thermodynamic Model of the Fluid System H2O–CO2–NaCl at P-T Parameters of the Middle and Lower Crust
A numerical thermodynamic model is proposed for one of the most important geological fluid systems, the ternary H2O–CO2–NaCl system, at P-T conditions of the middle and lower crust and crust-mantle boundary (up t...
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Article
Ultrastructural Organization of Ventral Mesencephalic Neurons Derived from Human Induced Pluripotent Stem Cells
Introduction. The study of neuronal differentiation of human induced pluripotent stem cells (iPSCs) offers wide prospects for modeling and analyzing the pathogenesis of human neurodegenerative brain diseases, scr...
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Article
Sulfate Reduction in Underground Horizons of a Flooded Coal Mine in Kuzbass
Although dissimilatory sulfate reduction (DSR) is an important microbial process in subterranean aquifers, its geochemical consequences in this ecosystem remain insufficiently studied. The absence of data on t...
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Article
Diversity of Eukaryotic Microorganisms in the Drainage Waters of a Coal Open-Cast Mine
The composition of the microbiome of acid drainage water of a quarry used for the mining of brown coal was studied. The water had a pH of 5.15 and contained 1.4 g/L of sulfate. Unlike acid mine drainage associ...
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Article
Copper Precipitation as Insoluble Oxalates by Thermotolerant Aspergillus spp. from Burning Wastes of Coal Mining
Micromycetes can precipitate metals in the form of insoluble oxalates, thus participating in metal removal from geochemical cycling and in secondary mineral formation. Metal precipitation has a practical appli...
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Article
Influence of a Fundamental Frequency Pulse Chirp on the Spectral and Temporal Second-Harmonic Characteristics
The results of investigation of the possibility of reducing the duration of the second-harmonic radiation pulse generated by the starting complex of an THL-100 laser system by conversion of a pre-chirped funda...
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Article
Threespine Stickleback of the White Sea: Population Characteristics and Role in the Ecosystem
This review summarizes and analyzes data on the threespine stickleback Gasterosteus aculeatus L. of the White Sea, which is currently the most abundant fish in the region and, therefore, plays an important role i...
