bluuebunny/crossref_metadata_2025_split huggingface dataset:
THE RELATIONSHIP BETWEEN MATERNAL CHARACTERISTICS AND INTRAOPERATIVE HYPOTENSION DURING CESAREAN SECTION USING SPINAL ANESTHESIA
Authors: Santoso Tri Budi , Widodo Widodo , Istiqomah Nurul , Purwaningsih Heni 
Published: December 2024

<p><strong>Background:</strong> The incidence of hypotension as a complication of spinal anesthesia in mothers who gave birth by cesarean section can occur due to various factors such as height, age, weight. The incidence rate in Indonesia in 2017 was 983 cases. In the preliminary study, there were 352 deliveries, of which 108 were delivered by cesarean section using spinal anesthesia techniques. <a href="file:///C:/Users/AsusA/Downloads/93519-267661-1-CE%20(1).doc#_msocom_1">[AF1]</a> </p><p><strong>Objective</strong>: to determine the relationship between maternal characteristics and the incidence of intraoperative hypotension for sectio caesarea using spinal anesthesia at Hospital "A".</p><p><strong>Research Methods</strong>: this study used cross-sectional. The research population of sectio caesarea patients with spinal technique was collected with a total sampling of 46 respondents. The research instrument used medical records. Analysis of the data used in the form of chi-square test at a significance of 5%.</p><p><strong>Results</strong>: The results of the bivariate test showed that there was no relationship between early adulthood (20-29 years) (OR= 0.38; (95% CI= 0.10 to 1.44; p= 0.259); multipara parity (OR= 0.44; (95% CI) = 0.11 to 1.67; p = 0.365) and obesity BMI (OR = 1.59; (95% CI = 0.48 to 5.35; p = 0.650) on the incidence of hypotension in caesarean section</p><p><strong>Conclusion</strong>: There is no relationship between early adulthood (20-29 years), parity and obesity BMI are risk factors for hypotension in cesarean section.</p><div> </div>
A pattern of continuity from health to disease in neuropsychiatric genetic risk affecting brain morphology
Authors: CHOU CHUN-JU , Re Elisabetta Del , Wang Hao , Hamada Kareem , Tian Xiaoguang , Wang Yunpeng , Fiecas Mark , Chen Chi-Hua 
Published: December 2024

Abstract

Analyzing brain morphological changes across individuals with varying genetic risk scores may inform the continuum of brain changes from health to disease. This study compares brain changes between individuals with clinical diagnoses and those with genetic risk alone. UK Biobank MRI and genotypes (N = 34,720) were used to derive brain measures and polygenic risk scores, creating genetic risk brain maps for 14 neuropsychiatric disorders. Eight disorders from ENIGMA were used to construct disease brain maps. Brain maps of genetic risk and clinical diagnosis show overall alignment for ADHD, schizophrenia, bipolar disorder, and autism. Other conditions, including Alzheimer’s disease, show specific brain regions linked to genetic risk aligning with established patient patterns. Incomplete data for some conditions limit analyses. ADHD and PTSD polygenic burden was associated with smaller global brain sizes, while Parkinson’s disease was linked to larger brain volume. Mendelian randomization analyses revealed unidirectional relationships where the brain influences ADHD and Parkinson’s disease, while a bidirectional causal association was observed for schizophrenia. Focusing on schizophrenia and bipolar disorder, we found that individuals with high genetic risk combined with smaller brain structures were more likely to have these diagnoses. Lastly, we found no significant sex differences in all genetic risk and brain associations, except for a possible link in bipolar disorder. Overall, the study demonstrates marked similarities in brain changes between clinical diagnoses and genetic risk for several disorders, albeit with mild effect sizes in the latter. These findings underscore the importance of genetic risk in influencing brain anatomy and the progression of neuropsychiatric disorders.
Perceived stress is associated with primary dysmenorrhea in Brazilian women: a cross- sectional study
Authors: Moraes Pâmela Calixto , Avila Mariana Arias , Firão Caren Beatriz , Sousa Vanessa Patrícia Soares , Driusso Patricia 
Published: December 2024

Abstract

Objective
to evaluate the association between perceived stress and Primary Dysmenorrhea (PD) in Brazilian women.
Methods
We used data from 2,505 participants, a prospective cohort of Brazilian women. The eligibility was restricted to women who had their last three periods and were over 18 years, the exclusion criteria was 1) women with secondary dysmenorrhea and that did not have a period. We measured stress with the Perceived Stress Scale; the interference of PD with the Dysmenorrhea Symptom Interference, and the PD with the Numerical Rating Score. This study used the chi-square test (χ²) to assess associations between perceived stress and binary logistic regression, considering odds ratios (OR) with 95% confidence intervals (CI). All statistical tests were two-tailed, with a significance level of p ≤ 0.05.
Results
The average perceived stress score was 25.1 ± 6.6, and the average menstrual pain in the last period was 5.1 ± 2.8. Women with PD are 2.8 (95% CI 1.9 to 4.1) times more likely to have perceived stress and in women with moderate to severe interference of PD, there was 4.8 (95% CI 2.72 to 8.60) increase in the chance to report perceived stress.
Conclusions
Women with PD have higher rates of moderate to high stress. The higher the intensity of menstrual pain, the greater the number of Brazilian women who report mild to high stress.
Safety Issues Associated with the Production of Black Soldier Fly (Hermetia Illucens) Larvae in Africa.
Authors: Mufungwe Joyce , Namukonde Ngawo , Johnson Todd , Siamujompa Mazuba , Mwango Nelly Chunda , Ngoma Justine , Mwaanga Phenny , Hang’ombe Bernard Mudenda 
Published: December 2024

Abstract

The emergence of climate change has rendered conventional feed sources unsustainable due in part to the rising cost of feed sources, food-feed competition and increasing ecological footprint. This is particularly the case in Africa, where most crops for feed production rely on rain-fed agriculture. Globally, agricultural production is expected to decline by 5–30% by 2050 because of climate change, and a significantly higher decline is expected in sub-Saharan Africa. As a result, insect-based feed is becoming increasingly popular as alternative protein sources, however, its safety due to microbiological, chemical and physical contaminants remains a serious potential health issue requiring urgent attention. In this review, we examined relevant literature from Africa on insect-based feed and food, focusing on the black soldier fly, Hermetia illucens, larvae (BSFL). The major focus was on the safety of BSFL through the whole value chain, from rearing substrate to processing methods and handling of the final product of feed and food. Specifically, microbiological, allergenic and chemical aspects including the potential evolution and transmission of antibiotic resistance bacteria (ARBs) and antibiotic-resistant genes (ARGs) were examined. Our findings revealed that there is inadequate research on the insect-food sector despite the wide practice of entomophagy in Africa. The results also indicated the existence of a wide variety of uncharacterised substrates from diverse sources used for rearing BSFL and that processing and handling methods practised to ensure the safety of BSFL are inadequate. The major concern was on the non-characterisation of substrates for microbiological and chemical hazards, which may facilitate the proliferation and transmission of ARBs and ARGs.
Finding your strong points: Exploring the Design and Resilience of Barbed Composite Weapons
Authors: Tydgadt Lola , Rots Veerle 
Published: December 2024

Abstract

Laterally hafted projectiles are a subject of significant interest in the field of archaeology and are identified on every continent and throughout time. While composite finds incorporating organic shafts and points with stone barbs have been discovered in Europe as early as the Gravettian, researchers argue that their existence could be traced back to the Early Upper Paleolithic in Europe, with Protoaurignacian bladelets. However, the identification of lateral stone elements still faces significant methodological challenges and a robust interpretative framework is still lacking. Experiments involving lateral projectiles have been rare, and the research objectives, protocols, and results have varied significantly, making it difficult to achieve a consensus on how to identify lateral insets when found without their organic counterparts. Moreover, the fragility of lateral hafting systems presents another challenge because when insets detach upon impact, little characteristic wear forms and diagnostic criteria cannot be proposed. In this paper, we aim to contribute to an improved understanding and identification of lateral hafting systems by studying their resilience and damage formation in experiments. We test different adhesive options and examine the relevance of a groove. We document impact-related use-wear and evaluate its diagnostic value for identifying laterally hafted armatures. We argue that a robust framework is a first and crucial step to improve the archaeological identification and interpretation of laterally hafted armatures and the understanding of the evolution of hunting weaponry.
Remaining useful life prediction of lithium-ion batteries using a novel particle flow filter framework with grey model
Authors: Shuai Wang , Yiting Li , Shoubin Zhou , Lifei Chen , Pecht Michael 
Published: December 2024

Abstract

Remaining useful life (RUL) prediction is a crucial aspect of the prognostics health management of lithium-ion batteries (LIBs). Owing to the influence of resampling technology, particle degradation is often observed in the particle filter-based RUL prediction of LIBs, resulting in a low prediction accuracy and large uncertainty. In this paper, a novel particle flow filter with the grey model method (GM-PFF) is proposed to forecast the RUL and state of health of batteries. First, the least squares method is employed to obtain the initial values for double exponential empirical model parameters. Subsequently, the grey model is used to predict the current cycle capacity of LIBs as an observation value for the particle flow filter, solving the inaccurate estimation problem of the state of particle flow filter observation values, and the particle flow filter method is employed to update model parameters. Finally, a test dataset is divided into early, middle, and late stages to predict the RUL of LIBs and obtain the probability distributions. On the CALCE LIB dataset, GM-PFF reduces RMSE by 1% compared to PFF, exhibiting a higher prediction accuracy and effectively addressing the particle degradation problem.
Analyzing sub-millisecond timescale protein dynamics using relaxation dispersion NMR experiments
Authors: Phale Apurva , Tewari Aishani , Tendulkar Gayatri , Das Ranabir , Sriniva Sivakumar , Chakrabarti Kalyan S 
Published: December 2024

Abstract

Cellular functions require biomolecules to transition among various conformational sub-states in the energy landscape. The mechanistic understanding of function requires quantitative knowledge of the kinetics, thermodynamics, and structural features of the biomolecule experiencing exchange between several states. High-power relaxation dispersion (RD) NMR experiments have proven to be very effective for such measurements if the exchange occurs in timescales ranging from microseconds to milliseconds. Therefore, the high-power Relaxation Dispersion NMR experiments can be used to understand the biomolecular function at the mechanistic level by fitting the data to appropriate theoretical models. However, the reliability of the fit parameters is a function of the fitting model and is sensitive to experimental noise. Here, we have benchmarked different theoretical models for sub-millisecond timescale exchange and determined the robustness of these models to provide information when the measured values contain noise. Our results show that kinetics can be measured very reliably from such experiments. The structural features of the exchanging sub-states, encoded in the chemical shift differences between the states, can be fitted, albeit with significant uncertainties. Information about the minor states is difficult to obtain exclusively from the RD data due to large uncertainties and sensitivity to noise. We expect our results to help design RD experiments and to plan additional experiments where needed.
Mental Health Literacy Among Primary Care Providers in Hungary
Authors: Swisher Valerie S. , Őri Dorottya , Rihmer Zoltán , Wernigg Róbert 
Published: December 2024

Abstract

Objective: This study examined mental health literacy and predictors of disorder recognition among primary care providers (PCPs) in Hungary.
Methods: 208 PCPs in Hungary completed a survey assessing demographics, mental health stigma, and exposure to mental health. Participants read six vignettes describing obsessive-compulsive disorder (OCD) harm/aggression subtype (OCD-Aggression), OCD order/symmetry subtype (OCD-Order), generalized anxiety disorder (GAD), social anxiety disorder (SAD), panic disorder (PD), and major depressive disorder (MDD) and were asked to identify each condition and provide treatment referrals. Descriptive analyses were used to characterize disorder recognition rates, perceived disorder causes, and treatment referrals. Binary logistic regression analyses were conducted to examine the degree to which demographic characteristics, mental health stigma, and exposure to mental health predict accurate disorder recognition.
Results: Identification rates for each vignette were: OCD-Aggression (27.9%), OCD-Order (75.5%), SAD (34.1%), GAD (76.0%), PD (78.8%), and MDD (91.3%). First-choice treatment referrals were a psychiatrist for OCD-Aggression (63%), OCD-Order (53.8%), and MDD (46.6%), a psychologist/therapist for SAD (58.7%) and GAD (48.6%), and a PCP for PD (39.9%). Mislabeling conditions was significantly associated with older age (for GAD, OCD-Aggression, PD and MDD), male gender (for GAD), greater mental health stigma (for OCD-Order), and not having a family member/friend with a mental health condition (for SAD).
Conclusions: Findings highlight strengths (e.g., depression recognition) and limitations in knowledge of mental health conditions among PCPs in Hungary and targets to address to improve mental health literacy.
EDTA-modified bismuth oxyhalide nanomaterials: hydrogen production from photocatalysts that water splitting.
Authors: Cholula-Gómez Deysi , Carrero-Crespo J. Edgar , Quezada Víctor M. Suárez , DIAZ SANDRA CIPAGAUTA , Tzompantzi-Morales Francisco J. 
Published: December 2024

Abstract

This article provides an effective synthesis route to enhance the photocatalytic properties of bismuth oxihalides (BiOX, X = Cl, Br, I) for hydrogen production via photocatalysis. The coprecipitation method was employed, with the addition of Ethylenediaminetetraacetic acid (EDTA) as a complexing agent. It was found that the presence of EDTA during synthesis led to a significant improvement in the physicochemical properties of the materials, such as their surface area and porosity. Additionally, changes in the crystalline structure and optical response of the materials were observed. The results of structural, optical, and photoelectrochemical characterization revealed that the BiOI-E photocatalyst, synthesized with EDTA, exhibited the best photocatalytic activity for hydrogen production under visible light irradiation. It was demonstrated that this material presents higher efficiency in charge carrier separation and lower electron transport resistance, resulting in increased hydrogen generation.
Methanogenic Archaea Disruption: Anaerobic Digestion of Waste Sewage Sludge Affected by Indole- and Its Analogs-interlinked Microbial Interactions
Authors: Zolkefli Nurhasliza , Shui Xiao , Ma Kedong , Mustapha Nurul Asyifah , Maeda Toshinari 
Published: December 2024

Abstract

As an interspecies signalling molecule, indole that is also regulating the microbial community quorum sensing (QS) can be an indispensable factor to influence the performance of an anaerobic digestion process. Mainly released by Gram-negative bacteria, the impact of indole regulation towards methane production in such system is hardly exposed. This research intends to analyse the methane production affected by the microbial community fluctuations in the waste sewage sludge (WSS) in response to QS repression by indole and its analogs: 4-fluoroindole (4-FI), 5-fluoroindole (5-FI), 6-fluoroindole (6-FI), 3- indoleacetic acid (3-IAA), and 3- indoleacrylic acid (3-IARA). Illumina MiSeq platform was utilized to delve into the active microbes, with ribonucleic acid (RNA) used as the template to generate the 16S metagenomic library. As results, all of them inhibit methane generation even with substrates (acetic acid) availability, and this phenomenon can be led by the slight imbalance of Gram-positive/negative bacterial composition and the inactivation of the viable core fermenters: Firmicutes, Proteobacteria and Chloroflexi. Plus, the following compounds, indole, 3-IAA, and 6-FI directly disrupted methane productions by both acetoclastic and hydrogenotropic methanogenic archaea. Methanosarcina acetivorans C2A as a prominent methane synthesizer was also characterised in terms of its viability and methane synthesis activity against them. Notably, Methanosarcina acetivorans C2A was non-viable in the presence of indole and 6-FI thus lowering methane production. From here, the affirmation on the direct and indirect inhibitions of methanogenic archaea by indole and its derivatives will pave the way for a valuable future exploration of QS mechanism mapping in archaea during methanogenesis.
Direct electrodeposition of NiFe-based high-entropy compound on nickel foam for oxygen evolution reaction
Authors: Yang Yibin , Yang Jitao , Huang Xinghua , Chen Wang , Zhang Yuhao , Zhang Xiaowen , Dong Lijuan , Duan Zhihao , Wu Mingzhu , Li Ying 
Published: December 2024

Abstract

Electrochemical water splitting represents a highly promising avenue for sustainable energy conversion and storage, paving the way for a future hydrogen-based society. This approach necessitates the development of durable and cost-effective electrocatalysts for the OER. In this study, we report the as-synthesized NiFe-based high-entropy compound grown on nickel foam via direct electrochemical deposition. Remarkably, electrodeposition onto 1×1 cm2 nickel foam was optimized by strategically varying critical parameters. Subsequently, the fabricated electrodes underwent evaluation for comprehensive water splitting within the identical flow cell under alkaline conditions. The best-performing sample, NiFe-2:1, required relatively low overpotentials of 232 mV to reach a current density of 10 mA cm-2 for the OER. The NiFe-2:1 hydroxides exhibit high entropy, which optimizes the flat-band potential (Efb) and carrier concentration (NA) in high-entropy NiFe-based electrocatalysts. This enhancement facilitates sensitive electron transfer, thereby reducing the kinetic barrier for the OER. Furthermore, this review thoroughly discusses potential degradation mechanisms of active sites and outlines corresponding mitigation strategies. It also offers insights into the discrepancies between research and the design of non-precious metal-based catalysts for the OER, as well as their implementation in practical devices.
Enhanced Recovery of Tantalum and Niobium from Fine-Grained Low-Grade Abu Dabbab Tantalite Ore via Falcon Concentration and Magnetic Separation
Authors: Hassan El-Sayed , Chen Yun , Abdel-Khalek Nagui , El-Bendari Abdalla 
Published: December 2024

Abstract

Tantalum and niobium possess unique properties that make them invaluable across various industries. However, their similar chemical characteristics and natural co-occurrence challenge their separation. This study investigates the recovery of tantalum and niobium from low-grade Abu Dabbab tantalite ore using gravity and magnetic separation techniques. Tantalite ore consists mainly of silicate minerals, with traces of tantalumand niobium oxides. The beneficiation process,of the size fraction − 75 micron,began with gravity separation using Falcon concentrator, which achieved an optimal tantalum oxide (Ta2O5) grade of 2.0% and recovery of 85.70%. Optimization of process parameters was carried out using the Box-Behnken design. Magnetic separation with a Box-Mag Rapid LHW magnetic separator was applied to further enrich the tantalum concentrate, achieving a Ta2O5 grade of 6.22% and a recovery rate of 94.73%. This process also yielded significant enrichment of niobium oxide (Nb2O5) and cassiterite (SnO2), with enrichment ratios of 250-fold for both Ta2O5 and Nb2O5and 195-fold for SnO2. Additionally, the beneficiation process recovered valuable albite and mica fractions. The characterization of the final tantalum concentrate revealed high Ta₂O₅, Nb₂O₅, and SnO₂ content, confirming that combined Falcon and magnetic separation effectively enhances recovery and enrichment of tantalum and niobium from complex ores.
Dental Healthcare for Ukrainian War Refugee Children: a pilot study.
Authors: Cianetti Stefano , Viarchi Arianna , Lombardo Guido , Truppa Claudia Theodora , Shubets Iryna , Cialfi Debora , Mattei Antonella , Severino Marco 
Published: December 2024

Abstract

Background
After the second year of war, the Russian invasion of Ukraine resulted in a widespread human and economic tragedy. This crisis also affects health status, including oral health.
Objective
To evaluate the prevalence and severity of caries in Ukrainian war refugee children using the decayed, missing and filled teeth (DMFT/dmft) index addition to relate findings of caries to age, gender, self-reported socioecomic status and Italian language speaking skills in order to determine whether there was a statically significant relationship.
Methods
This pilot study (cross-sectional designed) was conducted in Perugia, Italy at the University Dental Clinic (COU) between November 2023 and April 2024 and included 50 children with Ukrainian citizenship who had left their home country due to the war. The visits were conducted in the presence of a cultural mediator. The visits were divided into two parts: the administration of questionnaires regarding socio-economic status and communication skills and a dental examination. The statistical analysis correlated the DMFT/dmft parameter with communication level, income, age, and the Periodontal Screening and Recording index (PSR), stratifying the sample into two groups and using χ2, Fisher, and Wilcoxon tests to evaluate differences. A p value of less than 0.05 was considered statistically significant.
Results
The visits revealed that only 8 children were free from caries, and the severity of caries, expressed by the universal DMFT/dmft value, was 3.47. There was a significant difference between two considered caries groups (DMFT/dmft > 4 vs DMFT/dmft ≤ 4) in terms of PSR (p = 0.026) and communication level (p = 0.033).
Conclusions
The data obtained at the end of the study were worrying in terms of prevalence and severity of caries. This pilot study represented a starting point that can be useful as a basis for reflection on how to continue to improve healthcare polices, enabling us to better assist refugees.