Miracle-dz/UniFAR-FTUs huggingface dataset:
Reduction in critical current density by tuning damping constants of CoFeB for spin-torque-transfer switching

Different capping layers were deposited on 2.5 nm Co72Fe8B20 to investigate their effects on damping constants and critical current density (JC0) for spin-torque-transfer switching. The damping constant of CoFeB is affected by the interfacial conditions and the spin-pumping effects. The Cu capping layer significantly suppresses intermixing and possesses the lowest damping constant of 0.009. The micromagnetic simulations reveal that the low damping constant of CoFeB may result in the nucleation of domains at lower current density, and thus reduces JC0. A reduction of 27% in JC0 can be achieved by replacing the conventional Ta capping layer with a Cu layer.
The structural and optical properties of ZnO bulk and nanocrystals under high pressure

The elastic properties of high-quality ZnO crystals and nanopowder of grain size of about 65 nm are studied for both wurtzite (low pressure) and rock-salt high pressure phases. The measured values of bulk moduli for wurtzite and rock-salt phases of bulk ZnO crystals are equal to 156±13 and 187±20 GPa, respectively, and considerably larger for ZnO nanocrystals. The phase transition begins at a pressure of about 9 GPa and it is completed at a pressure of about 13.8 GPa for bulk crystals, whereas the values of pressure at which the phase transition occurs are lower for nanocrystals. A carefull Rietveld analysis of the obtained data does not exhibit the presence of any intermediate phases between low pressure wurtzite and high pressure rock-salt phases of ZnO. The phase transition is accompanied by a strong decrease in the near-band-gap photoluminescence intensity. In addition, the pressure coefficient of the near-band-gap luminescence in ZnO nanocrystals exhibits strong deviation from the linearity observed in bulk crystals. An analysis of the results shows that defects present in the nanopowdered sample are responsible for the observed effects.
Interleukin-27 gene variant rs153109 is associated with enhanced cytokine serum levels and susceptibility to Behçet’s disease in the Iranian population

Behcet’s disease (BD) is a systemic vasculitis, characterized by recurrent oral aphthous, genital ulcers, ocular lesions, and other organ involvement. Interleukin (IL)-27 with its pro- and anti-inflammatory effects might be an important effective cytokine in this disease. The aim of this study was to investigate the association of IL-27 serum concentration and a single-nucleotide polymorphism (SNP) rs153109 (−964 A > G) with the risk and clinical features of the patients with BD. IL-27 Genotyping was performed using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and the IL-27 serum levels were measured using enzyme-linked immunosorbent assay (ELISA). It is shown that AG, GG, and AG + GG genotypes, as well as G allele of rs153109, can significantly increase the risk of BD in total and in male individuals. Significantly higher frequencies of AG and GG genotypes and G allele were observed in total and male patients with an active form of BD. AG and GG genotypes were associated with joint (p = 0.046) and vascular (p = 0.02) involvement. The frequency of the G allele was higher in all patients, as well as in female patients with vascular involvement (p = 0.02). Serum cytokine analysis indicated an increased level of IL-27 in BD patients compared to healthy subjects (p = 0.038). Additionally, a higher level of IL-27 was detected in patients carrying the rs153109 GG genotype (p = 0.04) and those with renal (p = 0.009) and skin (p = 0.05) involvement. In conclusion, this study underscores the involvement of IL-27 rs153109 variants and increased serum level in BD susceptibility and pathogenesis.
Use of Plume Mapping Data to Estimate Chlorinated Solvent Mass Loss

Results from a plume mapping study from November 2000 through February 2001 in the sand‐and‐gravel surficial aquifer at Dover Air Force Base, Delaware, were used to assess the occurrence and extent of chlorinated solvent mass loss by calculating mass fluxes across two transverse cross sections and by observing changes in concentration ratios and mole fractions along a longitudinal cross section through the core of the plume. The plume mapping investigation was conducted to determine the spatial distribution of chlorinated solvents migrating from former waste disposal sites. Vertical contaminant concentration profiles were obtained with a direct‐push drill rig and multilevel piezometers. These samples were supplemented with additional ground water samples collected with a minipiezometer from the bed of a perennial stream downgradient of the source areas. Results from the field program show that the plume, consisting mainly of tetrachloroethylene (PCE), trichloroethene (TCE), and cis‐1,2‐dichloroethene (cis‐1,2‐DCE), was approximately 670 m in length and 120 m in width, extended across much of the 9‐ to 18‐m thickness of the surficial aquifer, and discharged to the stream in some areas. The analyses of the plume mapping data show that losses of the parent compounds, PCE and TCE, were negligible downgradient of the source. In contrast, losses of cis‐1,2‐DCE, a daughter compound, were observed in this plume. These losses very likely resulted from biodegradation, but the specific reaction mechanism could not be identified. This study demonstrates that plume mapping data can be used to estimate the occurrence and extent of chlorinated solvent mass loss from biodegradation and assess the effectiveness of natural attenuation as a remedial measure.
Fluid alkanes in confined geometries

A comparative study of confined fluid films composed of three different alkanes has been carried out using molecular dynamic simulation techniques. The films were confined in thin slit pores, only a few molecular diameters thick, and the substances studied were n‐butane, n‐decane, and 5‐butyl‐nonane. The properties of the film were obtained in equilibrium conditions and under shear. All the studied films show a strong layering of the distribution of methylene subunits. Chains at the solid boundaries align with the walls and show a tendency to stretch. The diffusion parallel to the solid walls is found to be higher in the proximity of the walls than in the inner part of the pore. The molecular motion normal to the confining walls can be described as noncorrelated molecular transitions between the contact layer and the inner part of the pore. Shear flow was induced in the film by moving the solid walls. The resulting velocity profiles across the pore were computed as well as the viscosity of the films. The .
Potential replacements for rockwool as growing substrate for greenhouse tomato

The greenhouse industry needs renewable, cheap, and available substitutes for rockwool. The physical properties and performance of rockwool substitutes such as low grade peat, composted bark white spruce and fir, shavings, sawdust, and peat-bark mixtures were compared during two greenhouse experiments with tomato grown in plastic bags. Air and water filled porosities greatly differed between substrates, particularly for sawdust and shavings. Relative gas diffusivity (Ds/ Do) and the hydraulic conductivity were less different between substrates. The physical properties of the substrates changed over a production cycle but the changes were small compared to treatment differences. Yields in peat-bark substrates were similar to rockwool substrates during both the short and long experiments but were lower in sawdust and shavings during the long experiment. The yield differences expected between media were less than the differences between some substrate physical properties of the various media. Yields were pos.
Anaerobic decomposition of different parts of Scirpus cubensis: kinetics and gas production.

Anaerobic decomposition of different parts of Scirpus cubensis: kinetics and gas production. We report the anaerobic decomposition of rhizomes, roots and aerial portions (leaves and fertile branches) of Scirpus cubensis, as well as the detritus from the entire plant; in this context, the hypothesis was that the aerial portion of S. cubensis is the most degradable source. Samples of water and plants were collected in the Oleo lagoon (Ecological Station of Jatai; 21o 36' S and 47o 49' W). The labile, soluble and refractory fractions of the fragments were quantified and the contents of carbon, nitrogen and ash were determined. For each kind of detritus, three incubations were prepared (7.0 g DW L -1 ) in the laboratory, using as controls two prepared with lagoon water. During 140 days, all flasks were maintained under controlled conditions, in the dark, at 20 oC. The results of periodic measurements of CO 2 and CH 4 were analyzed with an ANOVA (Kruskal-Wallis), with the consumptions of detritus being fitted to a 1 st order kinetics model. After 140 days, 47% of S. cubensis detritus was mineralized. Conversely the expected, the roots were the most mineralized structure (40%), while the rhizomes were the most refractory (26%); overall, the degradability of detritus was attributed to high ash contents. In addition, the detritus with the highest ash contents (roots) presented the most elevated CH 4 productions (21.7%).
Optimisation of batch membrane processes for the removal of residual heavy metal contamination in pretreated marine sediment

In this article, an innovative process that uses membranes to purify marine sediments contaminated with heavy metals is presented. The proposed process is composed of a centrifugation step, performed with a hydrocyclone, followed by a batch membrane step. The initial separation of sand from the raw stream appears to be very efficient and is important to avoid plugging the membrane separation step. The remaining stream, called silt, is then processed by a batch membrane separation step, capable of separating organic and inorganic pollutants from the purified water. Pilot tests were carried out to estimate membrane performance, including the maximum recovery value achievable, typical rejection values, the permeate and critical fluxes.
The Association Between Injurious Falls and Older Adults’ Cognitive Function: The Role of Depressive Mood and Physical Performance

Abstract Background The impact of falls on cognitive function is unclear. We explored whether injurious falls are associated with cognitive decline in older adults, and evaluated the role of changes in psychological and physical health as mediators of such association. Methods This prospective study involved 2267 community-dwelling participants in the Swedish National study on Aging and Care in Kungsholmen (≥60 years). Data on injurious falls (ie, falls requiring medical attention) during each 3-year time interval of follow-up were obtained from national registers. Assessment of cognitive function (Mini-Mental State Examination), depressive mood (Montgomery-Åsberg Depression Rating Scale), and physical performance (walking speed) were carried out every 3 or 6 years over a 12-year follow-up. The association between falls and cognition was estimated through linear mixed-effects models, and the mediating role of changes in depressive mood and physical performance was tested using mediation analysis. Results After adjusting for potential confounders, individuals who experienced injurious falls had a greater annual decline in Mini-Mental State Examination in the subsequent time interval (β = −1.49, 95% CI: −1.84; −1.13), than those who did not. The association increased with the occurrence of ≥2 falls (β = −2.13, 95% CI: −2.70; −1.56). Worsening of walking speed and depressive mood explained around 26% and 8%, respectively, of the association between falls and cognitive decline. Conclusions Injurious falls are associated with greater cognitive decline, and this association is partly mediated by worsening of physical performance and, in a lesser extent, of depressive mood. These findings suggest that physical deficits and low mood are potential therapeutic targets for mitigating the association between falls and cognitive decline.
Efficacy of dietary interventions in individuals with substance use disorders for illicit substances or illicit use of pharmaceutical substances: A systematic review.

BACKGROUND Disordered eating habits, poor dietary intake and nutritional status, and altered body composition are highly prevalent among individuals with substance use disorders. This systematic review aimed to evaluate the efficacy of dietary interventions in adults with substance use disorders for illicit substances or illicit use of pharmaceutical substances. METHODS Eight scientific databases were searched using predetermined text word and subject heading (MeSH) searches for experimental studies published up to March 2020 that evaluated interventions aiming to improve dietary intake in adults with substance use disorders for illicit substances or illicit use of pharmaceutical substances, which included dietary intake outcomes. RESULTS Of 9299 articles identified, five studies were included. Three studies (60%) were conducted in outpatient/community clinic settings and two studies (40%) were conducted in inpatient/residential treatment centres. Dietary interventions ranged in duration from 5 weeks to 24 months. These included education and behaviour change advice for nutrition and other lifestyle behaviours (n = 3 studies), nutrition education and provision of healthy food choices within the residential treatment centre (n = 1 study), and polyunsaturated fatty acid supplementation (n = 1 study). Three studies (60%) reported small but significant change in one or more dietary outcome at post-intervention, including reductions in sweets, fast food or caffeine intake, as well as increases in fruit and vegetable intake. CONCLUSIONS This review has identified a small number of studies, despite the strong evidence that dietary intervention is needed in substance use rehabilitation. More research is needed to determine the most effective intervention approaches for this group, including robust study designs.
Peribacillus faecalis sp. nov., a moderately halophilic bacterium isolated from the faeces of a cow.

A Gram-stain-positive, facultatively anaerobic, endospore-forming, rod-shaped strain, AGMB 02131T, which grew at 20-40 °C (optimum 30 °C), pH 3.0-11.0 (optimum pH 4.0) and in the presence of 0-18 % (w/v) NaCl (optimum 10 %), was isolated from a cow faecal sample and identified as a novel strain using a polyphasic taxonomic approach. The phylogenetic analysis based on 16S rRNA gene sequences along with the whole genome (92 core gene sets) revealed that AGMB 02131T formed a group within the genus Peribacillus, and showed the highest sequence similarity with Peribacillus endoradicis DSM 28131T (96.9 %), following by Peribacillus butanolivorans DSM 18926T (96.6 %). The genome of AGMB 02131T comprised 70 contigs, the chromosome length was 4 038 965 bp and it had a 38.5 % DNA G+C content. Digital DNA-DNA hybridization revealed that AGMB 02131T displayed 21.4 % genomic DNA relatedness with the most closely related strain, P. butanolivorans DSM 18926T. AGMB 02131T contains all of the conserved signature indels that are specific for members of the genus Peribacillus. The major cellular fatty acids (>10 %) of AGMB 02131T were C18 : 1ω9c, C18:0 and C16 : 0. The major polar lipids present were diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine. On the basis of the phenotypic, phylogenetic, genomic and chemotaxonomic features, AGMB 02131T represents a novel species of the genus Peribacillus, for which the name Peribacillus faecalis sp. nov. is proposed. The type strain is AGMB 02131T (=KCTC 43221T=CCTCC AB 2020077T).
Electronic Health Record Use in Swiss Nursing Homes and Its Association With Implicit Rationing of Nursing Care Documentation: Multicenter Cross-sectional Survey Study

Background Nursing homes (NHs) are increasingly implementing electronic health records (EHRs); however, little information is available on EHR use in NH settings. It remains unclear how care workers perceive its safety, quality, and efficiency, and whether EHR use might ease the burden of documentation, thereby reducing its implicit rationing. Objective This study aims to describe nurses’ perceptions regarding the usefulness of the EHR system and whether sufficient numbers of computers are available in Swiss NHs, and to explore the system’s association with implicit rationing of nursing care documentation. Methods This was a multicenter cross-sectional study using survey data from the Swiss Nursing Homes Human Resources Project 2018. It includes a convenience sample of 107 NHs, 302 care units, and 1975 care workers (ie, registered nurses and licensed practical nurses) from Switzerland’s German- and French-speaking regions. Care workers completed questionnaires assessing the level of implicit rationing of nursing care documentation, their perceptions of the EHR system’s usefulness and of how sufficient the number of available computers was, staffing and resource adequacy, leadership ability, and teamwork and safety climate. For analysis, we applied generalized linear mixed models, including individual-level nurse survey data and data on unit and facility characteristics. Results Overall, the care workers perceived the EHR systems as useful; ratings ranged from 69.42% (1362/1962; guarantees safe care and treatment) to 78.32% (1535/1960; allows quick access to relevant information on the residents). However, less than half (914/1961, 46.61%) of the care workers reported sufficient computers on their unit to allow timely documentation. Half of the care workers responded that they sometimes or often had to ration the documentation of care. After adjusting for work environment factors and safety and teamwork climate, both higher care worker ratings of the EHR system’s usefulness (β=−.12; 95% CI −0.17 to −0.06) and sufficient numbers of computers (β=−.09; 95% CI −0.12 to −0.06) were consistently associated with lower implicit rationing of nursing care documentation. Conclusions Both the usefulness of the EHR system and the number of computers available were important explanatory factors for care workers leaving care activities (eg, developing or updating nursing care plans) unfinished. NH managers should carefully select and implement their information technology infrastructure with greater involvement and attention to the needs of their care workers and residents. Further research is needed to develop and implement user-friendly information technology infrastructure in NHs and to evaluate their impact on care processes as well as resident and care worker outcomes.
Comment on the Initial‐Rise Method for Determining Trap Depths

For the determination of the trap depth from thermoluminescence and thermally stimuated current‐glow curves commonly the initial‐rise method by Garlick and Gibson is used. This method provides accurate results only if the condition Rh(T0)[2/z−1] ≤f(T0) is fulfilled. R is the retrapping factor, z the filling ratio of the traps at the temperature T0, f the concentration of unoccupied recombination centers, and h the density of trapped electrons.
Procyclic trypanosomes recycle glucose catabolites and TCA cycle intermediates to stimulate growth in the presence of physiological amounts of proline

Trypanosoma brucei, a protist responsible for human African trypanosomiasis (sleeping sickness), is transmitted by the tsetse fly where the procyclic forms of the parasite develop in the proline-rich (1–2 mM) and glucose-depleted digestive tract. Proline is essential for the midgut colonization of the parasite in the insect vector, however other carbon sources could be available and used to feed its central metabolism. Here we show that procyclic trypanosomes can consume and metabolize metabolic intermediates, including those excreted from glucose catabolism (succinate, alanine and pyruvate), with the exception of acetate, which is the ultimate end-product excreted by the parasite. Among the tested metabolites, tricarboxylic acid (TCA) cycle intermediates (succinate, malate and α-ketoglutarate) stimulated growth of the parasite in the presence of 2 mM proline. The pathways used for their metabolism were mapped by proton-NMR metabolic profiling and phenotypic analyses of thirteen RNAi and/or null mutants affecting central carbon metabolism. We showed that (i) malate is converted to succinate by both the reducing and oxidative branches of the TCA cycle, which demonstrates that procyclic trypanosomes can use the full TCA cycle, (ii) the enormous rate of α-ketoglutarate consumption (15-times higher than glucose) is possible thanks to the balanced production and consumption of NADH at the substrate level and (iii) α-ketoglutarate is toxic for trypanosomes if not appropriately metabolized as observed for an α-ketoglutarate dehydrogenase null mutant. In addition, epimastigotes produced from procyclics upon overexpression of RBP6 showed a growth defect in the presence of 2 mM proline, which is rescued by α-ketoglutarate, suggesting that physiological amounts of proline are not sufficient per se for the development of trypanosomes in the fly. In conclusion, these data show that trypanosomes can metabolize multiple metabolites, in addition to proline, which allows them to confront challenging environments in the fly.
Thrombotic microangiopathy in untreated myeloma patients receiving carfilzomib, cyclophosphamide and dexamethasone on the CARDAMON study

Proteasome inhibitors have been associated with thrombotic microangiopathy (TMA) — a group of disorders characterised by occlusive microvascular thrombosis causing microangiopathic haemolytic anaemia, thrombocytopenia and end‐organ damage. To date, carfilzomib‐associated TMA has predominantly been described in relapsed/refractory myeloma patients. We report eight patients with newly diagnosed myeloma who experienced TMA events while receiving carfilzomib on the phase II CARDAMON trial. The first three occurred during maintenance single‐agent carfilzomib, two occurred at induction with carfilzomib given with cyclophosphamide and dexamethasone (KCd) and three occurred during KCd consolidation. At TMA presentation 6/8 were hypertensive; 7/8 had acute kidney injury and in three, renal impairment persisted after resolution of TMA in other respects. The mechanism of carfilzomib‐associated TMA remains unclear, though patients with known hypertension seem particularly susceptible. Given the first three cases occurred during maintenance after a longer than five‐week treatment break, a protocol amendment was instituted with: aggressive hypertension management, carfilzomib step‐up dosing (20 mg/m2 on day 1) at start of maintenance before dose escalation to 56 mg/m2 maximum, and adding 10 mg dexamethasone as premedication to maintenance carfilzomib infusions. No further TMA events occurred during maintenance following this amendment and the TMA incidence reduced from 4·2 to 1·6 per 1 000 patient cycles.