Hengzongshu/ArticleAgent huggingface dataset:
Water‐soluble salts of anionic [Re 6 Q 8 (CN) 6 ] 4− (Q=S, Se, Te) chalcogenide octahedral rhenium clusters react with γ‐cyclodextrin (γ‐CD) producing a new type of inclusion compounds.

Crystal structures determined through single‐crystal X‐ray diffraction analysis revealed supramolecular host–guest assemblies resulting from close encapsulations of the octahedral cluster within two γ‐CDs. Furthermore, analysis of the crystal packing reveals additional supramolecular interactions that lead to 2D infinite arrangements with [Re 6 S 8 (CN) 6 ] 4− or to 1D 'bamboo‐like' columns with [Re 6 Se 8 (CN) 6 ] 4− and [Re 6 Te 8 (CN) 6 ] 4− species. Solution studies, using multinuclear NMR methods, ESI‐MS and Isothermal titration calorimetry (ITC) corroborates nicely the solid‐state investigations showing that supramolecular pre‐organization is retained in aqueous solution even in diluted conditions.

Interestingly, nature of the inner Q ligands influences strongly the host–guest conformation. The cluster [Re 6 S 8 (CN) 6 ] 4− interacts preferentially with the primary faces of the γ‐CD while the bulkier clusters [Re 6 Se 8 (CN) 6 ] 4− and [Re 6 Te 8 (CN) 6 ] 4− exhibit specific interactions with the secondary faces of the cyclic host. Furthermore, ITC analysis showed that host–guest stability increases significantly ongoing from S to Te. At last, we report herein that deep inclusion alters significantly the intrinsic physical‐chemical properties of the octahedral clusters, allowing redox tuning and near IR luminescence enhancement.
Using fluorescent probes, we demonstrate that the plasma membrane of porcine eye lens fiber cells displays

an unprecedentedly high degree of lipid ordering.
High-performance p-type thin-film transistors (pTFTs) are crucial for realizing low-power display-on-panel and monolithic three-dimensional integrated circuits. Unfortunately, it is difficult to achieve a high hole mobility of greater than 10 cm2/V·s, even for SnO TFTs with a unique single-hole band and a small hole effective mass. In this paper, we demonstrate a high-performance GeSn pTFT with a high field-effect hole mobility (μFE), of 41.8 cm2/V·s; a sharp turn-on subthreshold slope (SS), of 311 mV/dec, for low-voltage operation; and a large on-current/off-current (ION/IOFF) value, of 8.9 × 106. This remarkably high ION/IOFF is achieved using an ultra-thin nanosheet GeSn, with a thickness of only 7 nm. Although an even higher hole mobility (103.8 cm2/V·s) was obtained with a thicker GeSn channel, the IOFF increased rapidly and the poor ION/IOFF (75) was unsuitable for transistor applications. The high mobility is due to the small hole effective mass of GeSn, which is supported by first-principles electronic structure calculations.
It was recently suggested that the sign of particle drift in inhomogeneous temperature or turbulence depends on the particle inertia: weakly inertial particles localize near minima of temperature or turbulence intensity (effects known as thermophoresis and turbophoresis), while strongly inertial particles fly away from minima in an unbounded space.The problem of a particle near minima of turbulence intensity is related to that of two particles in a random flow, so that the localization-delocalization transition in the former corresponds to the path-coalescence transition in the latter.The transition is signaled by the sign change of the Lyapunov exponent that characterizes the mean rate of particle approach to the minimum (which could be a wall or another particle).

Here we solve analytically this problem for inelastic collisions and derive the phase diagram for the transition in the inertia-inelasticity plane.

An important feature of the phase diagram is the region of inelastic collapse: if the restitution coefficient of particle velocity is smaller than some critical value, then the particle is localized for any inertia.We present direct numerical simulations which support the theory and in addition reveal the dependence of the transition of the flow correlation time, characterized by the Stokes number.
We investigate the angular distribution of electrons that are emitted in the ionization of hydrogen-like ions by twisted photons.

Analysis is performed based on the first-order perturbation theory and the non-relativistic Schrödinger equation. Special attention is paid to the dependence of the electron emission pattern on the impact parameter b of the ion with respect to the centre of the twisted wave front. In order to explore such a dependence, detailed calculations were carried out for the photoionization of the 1s ground and 2 py excited states of neutral hydrogen atoms.

Based on these calculations, we argue that for relatively small impact parameters, the electron angular distributions may be strongly affected by altering the position of the atom within the wave front. In contrast, if the atom is placed far from the front centre, the emission pattern of the electrons is independent of the impact parameter b and resembles that observed in the photoionization by plane wave photons.
We discuss possibilities of application of Numerical Analysis methods to proving computability, in the sense of the TTE approach, of solution operators of boundary-value problems for systems of PDEs. We prove computability of the solution operator for a symmetric hyperbolic system with computable real coefficients and dissipative boundary conditions, and of the Cauchy problem for the same system (we also prove computable dependence on the coefficients) in a cube $Q\subseteq\mathbb R^m$. Such systems describe a wide variety of physical processes (e.g. elasticity, acoustics, Maxwell equations). Moreover, many boundary-value problems for the wave equation also can be reduced to this case, thus we partially answer a question raised in Weihrauch and Zhong (2002). Compared with most of other existing methods of proving computability for PDEs, this method does not require existence of explicit solution formulas and is thus applicable to a broader class of (systems of) equations. Comment: 31 pages
Endonuclease VIII (Nei) excises oxidatively damaged pyrimidines from DNA and shares structural and functional homology with formamidopyrimidine-DNA glycosylase. Although the structure of Escherichia coli Nei is solved [Zharkov et al. (2002) EMBO J. 21, 789-800], the functions of many of its amino acid residues involved in catalysis and substrate specificity are not known.

We constructed a series of Nei mutants that interfere with eversion of the damaged base from the helix (QLY69-71AAA, DeltaQLY69-71) or perturb the conserved zinc finger (R171A, Q261A). Steady-state kinetics were measured with these mutant enzymes using substrates containing 5,6-dihydrouracil, two enantiomers of thymine glycol, 8-oxo-7,8-dihydroguanine, and an abasic site positioned opposite each of the four canonical DNA bases. To some extent, all Nei mutants were deficient in processing damaged DNA, with mutations in the zinc finger generally having a more profound effect. Wild-type Nei showed prominent opposite-base specificity (G > C approximately = T > A) when the lesion was 5,6-dihydrouracil or cis-(5S,6R)-thymine glycol but not for other lesions tested. Mutations in the Q69-Y71 loop eliminated this effect. Only wild-type Nei and Nei-Q261A mutants could be reductively cross-linked to damaged base-containing DNA. Experiments involving trapping with NaBH4 and the kinetics of DNA cleavage catalyzed by Nei-Q261A suggested that this mutant was deficient in regenerating free enzyme from the Nei-DNA covalent complex formed during the reaction.

We conclude that the opposite-base specificity of Nei is primarily governed by residues in the Q69-Y71 loop and that both this loop and the zinc finger contribute significantly to the substrate specificity of Nei.
Aim.Nucleotide excision repair (NER) is DNA repair system responsible to remove bulky lesions from DNA.These lesions appear in DNA as consequence of UV-light irradiation or environmental stress.Study of NER is extremely important to improve action of chemotherapeutic drugs.Methods.In vitro NER-assay and photoaffinity modification were used.Results.Long linear DNA analogs mimicking NER substrates have been synthesized.DNA analogs are 137-mer duplexes containing in their internal positions nucleotides with bulky substitutes imitating lesions with fluorochloroazidopyridyl and fluorescein groups introduced using spacer fragments at the 4N and 5C positions of dCMP and dUMP (Fap-dC-and Flu-dU-DNA) and DNA containing a (+)-cis-stereoisomer of benzo[a]pyrene-N2-deoxyguanosine (BP-dG-DNA).The interaction of the modified DNA duplexes with the proteins of NER-competent HeLa extract was investigated.The substrate properties of the model DNA in the reaction of specific excision were shown to vary in the row Fap-dC-DNA << Flu-dU-DNA < BP-dG-DNA.Conclusions.In vitro assay show that DNA analogs represent an interesting tool for the estimation of cellular repair activities.The developed approach should be of general use for the incorporation of NER-sensitive distortions into model DNA and seems to be very promising for repair mechanism studies.
Three new closely related CoII YIII complexes of general formula [Co(μ-L)(μ-X)Y(NO3 )2 ] (X- =NO3- 1, benzoate 2, or 9-anthracenecarboxylato 3) have been prepared with the compartmental ligand N,N',N''-trimethyl-N,N''-bis(2-hydroxy-3-methoxy-5-methylbenzyl)diethylenetriamine (H2 L). In these complexes, CoII and YIII are triply bridged by two phenoxide groups belonging to the di-deprotonated ligand (L2- ) and one ancillary anion X- . The change of the ancillary bridging group connecting CoII and YIII ions induces small differences in the trigonally distorted CoN3 O3 coordination sphere with a concomitant tuning of the magnetic anisotropy and intermolecular interactions.

Direct current magnetic, high-frequency and -field EPR (HFEPR), frequency domain Fourier transform THz electron paramagnetic resonance (FD-FT THz-EPR) measurements, and ab initio theoretical calculations demonstrate that CoII ions in compounds 1-3 have large and positive D values (≈50 cm-1 ), which decrease with increasing the distortion of the pseudo-octahedral CoII coordination sphere. Dynamic ac magnetic susceptibility measurements indicate that compound 1 exhibits field-induced single-molecule magnet (SMM) behavior, whereas compounds 2 and 3 only display this behavior when they are magnetically diluted with diamagnetic ZnII (Zn/Co=10:1).

In view of this, it is always advisable to use magnetically diluted complexes, in which intermolecular interactions and quantum tunneling of magnetism (QTM) would be at least partly suppressed, so that 'hidden single-ion magnet (SIM)' behavior could emerge. Field- and temperature-dependence of the relaxation times indicate the prevalence of the Raman process in all these complexes above approximately 3 K.
The COVID-19 outburst has brought serious demographical, economic, and social impacts. Moreover, in large countries, these consequences can vary from region to region. Therefore, authorities and experts lack the models to predict these various impacts at the regional level. This paper presents deep neural network models to do a mid-term forecast of the COVID-19 effect in the Russian regions. The models are based on the various recurrent and sliding-window architectures and utilize the attention mechanism to consider the indicators of the neighbor regions. These models are trained on various data, including daily cases and deaths, the diseased age structure, transport availability of the regions, and the unemployment rate. The experimental evaluation of the models shows that the demographic and healthcare indicators can significantly improve mid-term economic impact prediction accuracy. We also revealed that the neighboring regions' data helps predict the pandemic's healthcare and demographical impact. Namely, we have detected improvement for both the number of infected and the death rate.
For the first time we report full numerical NLSE-based modeling of generation properties of random distributed feedback fiber laser based on Rayleigh scattering.

The model which takes into account the random backscattering via its average strength only describes well power and spectral properties of random DFB fiber lasers. The influence of dispersion and nonlinearity on spectral and statistical properties is investigated.

The evidence of non-gaussian intensity statistics is found.
In wheat, anthocyanin pigments can be accumulated in pericarp tissues (under control of the Pp genes) resulting in purple-colored grain. In the current study, a strategy, based on the use of molecular and morphological markers, was applied to create purple-grained bread wheat cultivars adapted to the West Siberian region. The breeding scheme started from crossing of recipients (elite cultivars and lines) with donor lines carrying dominant alleles of the complementary genes Pp3 and Pp-D1. The F2 hybrids passed three-step marker-assisted selection, and those having dominant Pp-D1Pp-D1Pp3Pp3 genotypes were backcrossed with the recurrent parents. The desired BC1F2-3 progenies were selected using morphological marker, while BC1F3 also passed through field evaluation. At this stage, 120 lines were selected and planted in individual 1 m2 “breeding nursery (BN) plots” for assessment of heading dates, duration of vegetation period, resistance to powdery mildew, stem and leaf rusts, protein and gluten content, as well as productivity. After these investigations, a total of 17 promising anthocyanin-rich purple-grained lines characterized by multiple resistance and having best yield/quality characteristics were finally candidates for selection of commercial cultivars adapted to the West Siberian climate and suitable for functional food production.
The off-resonant AC Stark shift for coherent population trapping (CPT) resonances probed with Ramsey spectroscopy is investigated experimentally and theoretically. Measurements with laser-cooled $^{87}$Rb atoms show excellent quantitative agreement with a simple theory. The shift depends on the relative intensity of the two CPT light fields, but depends only weakly on the total intensity. Since the origin of the shift is through couplings of the interrogation light to off-resonant excited state hyperfine levels, the size and sign of the shift depend on the specific interrogation scheme. However, the simple theory shows that for several commonly used interrogation schemes the off-resonant shift goes to zero at specific values of this relative intensity.
Aim. To estimate the prevalence of type 2 diabetes mellitus (DM2) and MODY diabetes as well as the prevalence of metabolic syndrome (MS) components for these types of diabetes in the young population of the city of Novosibirsk. Materials and methods. In 2013-2017 years a population survey was conducted of a random representative sample of the population of 25-45 years of both sexes, residents of one of the typical districts of Novosibirsk. WHO criteria (1999-2013) were used for the diagnosis of diabetes: fasting blood glucose ≥7.0 mmol / l after an 8-hour fasting. Also group with DM2 included persons with a fasting blood glucose level
Aim. Production and purification of the recombinant histidine-tagged Y-box-binding protein 1 and study of its interaction with DNA, RNA and poly(ADP-ribose).Methods.Ligationindependent cloning, PCR, Sanger sequencing, protein chromatography, polyacrylamide gel electrophoresis, and electrophoresis mobility shift assay.Results.cDNA coding for the YB-1 protein has a previously undocumented two single nucleotide polymorphisms.The expression construct for production of the his-tagged YB-1 protein was designed to simplify the purification procedure and an appropriate protocol for protein purification was developed.Using electrophoresis mobility shift assay, we have shown that poly(ADP-ribose) competes with a double-and single-stranded DNA and RNA for binding to purified recombinant his-tagged YB-1.Conclusions.In the present work we developed and optimized the procedure of the recombinant YB-1 protein production and purification from bacterial cells.We found that poly(ADP-ribose) at high concentration is able to recruit YB-1 protein from the YB-1-DNA and YB-1-RNA complexes, suggesting a possible YB-1 involvement in DNA repair. K e y w o r d s:YB-1, protein purification, poly(ADP-ribose) (PAR), DNA repair.
Aim . To study the dynamics of obesity phenotypes and risk of myocardial infarction (MI) during 13-year follow-up period. Material and methods . The study was performed based on the material of the international project HAPIEE (population sample of men and women 45-69 years old, n=9360, basic survey 2003-2005). The analysis included persons with a body mass index (BMI) >30 kg/m2: 3197 people; 857 men (26,8%) and 2340 women (73,2%). To analyze the incidence of MI, a sample of 3008 subjects free from baseline history of MI was selected (752 men and 2256 women). New cases of myocardial infarction have been collected according to the data of the WHO "Register of Acute Myocardial Infarction" program, held at the Research Institute of Therapy and Preventive Medicine; the results of two repeated examinations (2006-2008 and 2015-2017) and repeated postal interview of cohort during 13-year follow-up. The analysis was carried out in individuals with a metabolically phenotype of healthy obesity (MHO). The MHO is defined according to various classifications: NCEPATPIII 2001 — in the presence of 2 and/or less components of the metabolic syndrome; IDF 2005 — waist circumference (WC) >94 cm in men and >80 cm in women and one or no risk factor; Russian Society of Cardiology (RSC) — the index of waist circumference/hip circumference (WC/HC) 0,05. Conclusion . MHO is unstable condition accompanied by transition to the MUH among more than half of men and women during 13 years of observation. In studied population cohort the 13-years risk of incident MI in subjects with MUO was higher compared to MHO: OR=1,9 (95% CI: 1,2; 2,9) by NCEPATP III; OR=3,2 (95% CI: 1,7; 6,1) by RSC criteria.
The deflection of charged particles is an intuitive way to visualize an electromagnetic oscillation of coherent light. Here, we present a real-time ultrafast oscilloscope for time-frozen visualization of a terahertz (THz) optical wave by probing light-driven motion of relativistic electrons. We found the unique condition of subwavelength metal slit waveguide for preserving the distortion-free optical waveform during its propagation. Momentary stamping of the wave, transversely travelling inside a metal slit, on an ultrashort wide electron bunch enables the single-shot recording of an ultrafast optical waveform. As a proof-of-concept experiment, we successfully demonstrated to capture the entire field oscillation of a THz pulse with a sampling rate of 75.7 TS/s. Owing to the use of transversely-wide and longitudinally-short electron bunch and transversely travelling wave, the proposed “single-shot oscilloscope” will open up new avenue for developing the real-time petahertz (PHz) metrology.
Characteristics of the film flow were determined experimentally using simultaneous measurements of the thickness and temperature fields on the surface of the falling heated liquid film (LIF and IR scanner). Three different types of instability were registered on the surface of the heated liquid film: 3D hydrodynamic and two thermocapillary A and B instabilities. The development of thermocapillary structures of type A was considered in the residual layer behind the wave front. These structures caused a disturbance in the following wave front, leading to an increase in the amplitude of the waves. It was found that the amplitude of hydrodynamic waves in the upper part of the heater could be increased. The development of thermocapillary structures of type A at high heat flux initiated increasing of the rivulets deflection amplitudes.
The sulfonated (SO3H-functionalized) carbon nanomaterials were obtained by direct sulfonation of the initial carbon nanofibers and nanotubes.

Concentrated sulfuric acid, oleum (20% SO3) and sulfonating mixtures containing 5 wt% MSO4/H2SO4 (98%; M = VO2+, Cu2+, etc.) were used as a sulfating agents. The structural changes of the materials taking place during the sulfonation process were studied by means of low-temperature nitrogen adsorption, X-ray photoelectron spectroscopy, Raman spectroscopy, high resolution transmission electron microscopy, and both the titrimetric and elemental analyses.

It was shown that the use of MSO4/H2SO4 sulfonating mixtures allows achieving the efficiency of the sulfonation comparable with the case of oleum. Thus, in the case of the most effective sulfonating mixtures containing such ions as VO2+, Cu2+, Fe3+, the values of the sulfur content were 1.2, 1.1 and 1.15 wt%, respectively. The optimal temperature of the sulfonation process was found to be in a range of 180–200 °C. All this provides a high acidity of the obtained materials along with maintaining the textural parameters (specific surface area of ~100 and ~300 m2/g for CNF and CNT, respectively). According to the data obtained, high efficiency of the sulfonating mixtures is stipulated by the process of oxidative destruction of the surface layer of the carbon material that leads to an increase of its defectiveness thus enhancing the sulfonation efficiency.
We measure the mass difference, Δm_{+}, between the D^{*}(2010)^{+} and the D^{+} using the decay chain D^{*}(2010)^{+}→D^{+}π^{0} with D^{+}→K^{-}π^{+}π^{+}. The data were recorded with the BABAR detector at center-of-mass energies at and near the ϒ(4S) resonance, and correspond to an integrated luminosity of approximately 468 fb^{-1}. We measure Δm_{+}=(140 601.0±6.8[stat]±12.9[syst]) keV. We combine this result with a previous BABAR measurement of Δm_{0}≡m(D^{*}(2010)^{+})-m(D^{0}) to obtain Δm_{D}=m(D^{+})-m(D^{0})=(4824.9±6.8[stat]±12.9[syst]) keV. These results are compatible with and approximately five times more precise than the Particle Data Group averages.
The article describes geological structure, characteristics and goldcontent of eluvium-talus deposit of “Golets Visochayshiy” field, according to data from previous geological reports and data, received by author during his work on this deposit.
existing data on cross sections of various exclusive channels of e + e − annihilation obtained in scan and ISR experiments

A Monte Carlo generator to simulate events of single-photon annihilation to hadrons at center-of-mass energies below 2 GeV is described

It is extensively used in the software packages for analysis of experiments at the Novosibirsk e + e − colliders VEPP-2000 and VEPP-4M aimed at high-precision measurements of hadronic cross sections with different applications, e.g. to calculations of the hadronic vacuum polarization for the muon anomalous magnetic moment