bluuebunny/crossref_metadata_2025_split huggingface dataset:
Existence and Uniqueness of Renormalized Solutions for a Nonlinear p(x)$$ p(x) $$‐Parabolic Problem With Lower Order Term and General Data
Authors: Sabiry Abdelaziz , Zineddaine Ghizlane , Kassidi Abderrazak , Melliani Said 
Published: January 2025

ABSTRACTIn this article, we focus on a class of nonlinear parabolic problems having variable exponents, a strictly increasing ‐function , and general measure data . The existence and uniqueness of a renormalized solution to the given problem are constructed by combining the theory of monotone operators, the truncation approach, and Marcinkiewicz estimation.
Vaginal Wall Thickness Measurement by 2D‐Ultrasound and Pelvic Floor Muscle Morphometry by 4D‐Ultrasound in Women With Vaginal Laxity Treated With Radiofrequency or Pelvic Floor Muscle Training
Authors: Pereira Glaucia Miranda Varella , de Almeida Cristiane Martins , Martinho Natalia , Jarmy‐Di‐Bella Zsuzsanna Ilona Katalin , de Andrade Kleber Cursino , Sartori Marair Gracio Ferreira , Juliato Cassia Raquel Teatin , Brito Luiz Gustavo Oliveira 
Published: January 2025

ABSTRACTAimTo compare the vaginal wall thickness (VWT) measurement by two‐dimensional ultrasound (2D‐US) and pelvic floor muscle morphometry by four‐dimensional translabial ultrasound (4D‐TLUS) in women with vaginal laxity (VL) who underwent treatment with radiofrequency (RF) or pelvic floor muscle training (PFMT) after 30 days and 6 months.MethodsA secondary analysis of a randomized clinical trial that occurred between February 2020 and December 2021 was performed. Women with VL were enrolled and treated with RF or PFMT for 12 weeks. Ultrasound examiners were blinded for the groups. Transabdominal (TAUS) and transvaginal (TVUS) ultrasound were performed with 2D‐US analysis. The 4D‐TLUS was used for PFM morphometry assessment. We performed per‐protocol and intention‐to‐treat analysis (5% significance).ResultsWomen with ballooning presented significantly worse scoring in sexual function (p = 0.037) and vaginal symptoms (p = 0.007) than women without ballooning. Analysis of variance among 2D‐US, intervention groups and assessment periods has shown that measurements of the TAUS proximal vagina increased in the PFMT group after 6 months (from 9.90 ± 3.14 mm to 10.53 ± 2.71 mm; p = 0.006). TAUS/TVUS distal vagina measurements were reduced after 6 months of RF (TAUS from 11.79 ± 3.67 mm to 10.51 ± 2.51 mm; p = 0.018/TVUS from 7.94 ± 1.83 mm to 7.32 ± 2.10 mm; p = 0.037). On the other hand, 4D‐TLUS measurements did not present differences according to the intervention and/or groups.ConclusionWomen with ballooning on 4D‐TLUS presented significantly worse scoring in sexual function and vaginal symptoms. 2D‐US found that RF reduced the VWT of the distal vagina after 6 months and PFMT increased the VWT of the proximal vagina after 6 months.Clinical Trial Registration: Registro Brasileiro de Ensaios Clínicos–REBEC—RBR‐2zdvfp as a clinical trial.
SBERO: Skill Al‐Biruni Earth Radius Optimization for Alzheimer's Disease Classification Using Magnetic Resonance Image
Authors: Gowsikraja P. , Geetha K. , Rajan C. 
Published: January 2025

ABSTRACTAlzheimer's disease (AD) is the most prevalent form of dementia, characterized by progressive memory loss and cognitive decline, often affecting behavior and speech. Early detection of AD remains a challenge due to its symptomatic overlap with normal aging and other cognitive disorders, necessitating precise classification methods. This paper proposes a novel Skill Al‐Biruni Earth Radius Optimization‐enabled Deep Spiking Neural Network (SBERO_Deep SNN) for AD classification using magnetic resonance imaging (MRI). Initially, input MRI images undergo enhancement through thresholding transformations. The segmentation is done using UNeXT, which is optimized by the hybrid SBERO algorithm. The SBERO combines the Skill Optimization Algorithm (SOA) and Al‐Biruni Earth Radius (BER). Statistical features, local binary patterns (LBP), and gradient directional patterns (GDP) are then extracted, and classification is performed using a Deep Spiking Neural Network (Deep SNN) trained with SBERO. The proposed method achieves 90.49% accuracy, 89.98% sensitivity, and 90.16% specificity, outperforming existing state‐of‐the‐art techniques in AD classification. The qualitative analysis highlights the robustness of the model in differentiating AD from other cognitive disorders, particularly in early stages, providing a reliable tool for clinical diagnosis.
Impact of Regulatory Action on Dose Maximalization for Vitamin B6 Dietary Supplements on the Reporting Pattern for Neuropathy
Authors: van Hunsel Florence , Scholl Joep , Vrolijk Misha , Ekhart Corine 
Published: January 2025

ABSTRACTBackgroundVitamin B6 deficiency is linked to neurological disorders. However, supplementation with high doses of vitamin B6 has also been linked to neuropathy as an adverse drug reaction. Review of cases from the Dutch Spontaneous Reporting System (SRS) and other data led to a regulatory action to lower the maximum daily dose (DD) of vitamin B6 in supplements to 21 mg/day from October 1, 2018.PurposeThe aim of this study was to investigate if there was an effect of the regulatory action in 2018 on maximum daily dosage for vitamin B6 on the reporting pattern of neuropathy to the SRS in the Netherlands.MethodsWe investigated trends in the number of reports received until December 31, 2023, DD mentioned in the reports, and the correlation between DD and plasma vitamin B6 levels. A change point analysis was used to get insight into the pattern of reports over time.ResultsTwo hundred and twenty‐four reports were included. After the regulatory action for dose maximization from October 2018, only one report mentions a dosage which is much higher than the recommended 21 mg DD. Only 15% of the variability in plasma levels mentioned in reports can be explained by the DD. Twelve statistical change points were noted, especially around some peaks in the reporting pattern for instance in 2018. However, from the second half of 2019, the number of reports on vitamin B6 and neuropathy per time period is lower and no change points were detected.ConclusionsAlthough our study has limitations, we clearly see an effect of regulatory action on the doses of vitamin B6 used in neuropathy reports. However, some cases describing neuropathy related to vitamin B6 supplementation with lower doses are still reported after the regulatory action in 2018. Therefore, the association between low‐dose vitamin B6 products and neuropathy should be studied further.
Pulsating Drought and Insect Herbivory Cause Differential Effects on Soybean (Glycine max) Genotypes That Vary in Canopy Wilting Speed
Authors: Ayala Jessica , Gautam Manish , Peissel Adriana , George Justin , Kariyat Rupesh 
Published: January 2025

ABSTRACTAs a result of climate change, global temperatures are increasing, and water scarcity is on the rise. Soybean [Glycine max (L.) Merr] is one of the most important crops in the world due to its importance as food and feed. One of the major limiting factors for soybean production is drought, which can cause up to 80% reduction in yield. Therefore, growers and plant breeders are turning to soybean accessions that demonstrate better water use efficiency (WUE). However, in addition to drought, insect herbivory by soybean looper (Chrysodeixis includens, SBL) and fall armyworm (Spodoptera frugiperda, FAW) can also reduce soybean yield by feeding on foliar and floral organs. Using soybean accessions that differ in their wilting speed, we examined the relationship between physiological traits associated with WUE, and how they affect both herbivore and host plant growth and development. Results showed that both fast‐ and slow‐wilting genotypes displayed strong overcompensation in terms of growth and development, but slow‐wilting genotypes produced higher‐quality pods and seeds. Regardless of treatment effects, FAW fed at a significantly higher rate than SBL despite being less specialized to feed on soybeans. While fast‐wilting plants produced more pods than slow‐wilting plants regardless of treatment, slow‐wilting plants produced heavier pods with larger and heavier seeds. Collectively, we show that despite fast‐wilting plants overcompensating in pod production and growth traits, slow‐wilting plants may still be better fit through seed functions.
Enhancing Efficiency of Lead‐Free Cs2TiIxBr6‐x Perovskite Solar Cells Through Linear and Parabolic Grading Strategies: Toward 31.18% Efficiency
Authors: Verma Akash Anand , Dwivedi D. K. , Lohia Pooja , Agarwal Surbhi , Kulshrestha Upendra , Kumar Manish , Pandey Rahul 
Published: January 2025

ABSTRACTThe most amazing environmentally friendly energy source is solar energy, which can be captured with the aid of photovoltaic (PV) cells. Perovskite solar cells (PSCs) that are hybrid (organic–inorganic) have demonstrated remarkable PV ability. The advantages of halide‐based perovskite are numerous and include cheap cost, high efficiency, and simplicity in fabrication. Due to their poisonous nature, lead (Pb)‐based PSCs often pose a concern to the environment. They also have other drawbacks, such as stability problems, problems with scalability, and health risks associated with Pb exposure. Thus, the primary intent of this study is to examine the Pb‐free, inorganic titanium‐based perovskite complex Cs2TiIxBr6‐x, which serves as the active layer. When compared with other elements, titanium is nontoxic, strong, affordable, and easily accessible. To improve the efficiency of lead‐free (Au/CuSbS2/Cs2TiIxBr6‐x/CdS/FTO) device structure, both linear and parabolic grading methods are used in the simulation. The perovskite composition Cs2TiIxBr6‐x is a mixed halide system, with different amounts of iodine (I) and bromine (Br) ions integrated into the crystal lattice. Within the halide system, “x” indicates the percentage of iodide ions that replace bromide ions. Light absorption and energy conversion efficiency in solar cells may be maximized by fine tuning the material's band gap by varying “x,” which can range from 0 to 6. When the active layer is graded linearly, the band gap is adjusted by adjusting the composition x, which ranges from 0 to 6, throughout the active layer's thickness. The bending factor changes from 0 to 1 in the case of parabolic grading of the Cs2TiIxBr6‐x layer, indicating an enhancement in the device's PCE as a result of high wavelength photon absorption. Our simulations show a significant improvement in PCE, with an astounding result of 31.18% for parabolic grading, a 7.93% increase above PCE from linear grading, which is 28.89%. Other noteworthy metrics that exhibit exceptional outcomes include JSC 34.36 mA.cm−2, FF 86.81%, and VOC 1.0452 V. The stability in the output of the device in the realistic temperature range confirms the highly stable nature of the proposed PSC device. These results show how effectively our approach improves the efficiency and effectiveness of Pb‐free PSC's. As we are interested in this realistic environmental temperature range of the whole world, we proposed that Cs2TiIxBr6‐x‐based PSCs are highly suitable and stable for the real‐time experiment, which is the need of PSCs nowadays.
The Impact of Corporate Governance on the Contribution of Listed Firms to Sustainable Development Goals (SDGs) Disclosures in Ghana
Authors: Saeed Musah Mohammed , Mohammed Shahin Sultana , Adeniyi Abiola , Osei Michael 
Published: January 2025

ABSTRACTEffective corporate governance is essential for aligning corporate contributions with Sustainable Development Goals (SDGs). Companies must embed SDG priorities into their strategies to balance social and financial objectives. This study examines how corporate governance influences SDG disclosures by publicly listed firms, focusing on prioritized SDG areas. Grounded in stakeholder theory, it explores how governance structures meet stakeholder expectations, promoting transparency and accountability in SDG reporting. The research highlights the urgency of integrating sustainability into corporate strategies to advance global SDG efforts. A quantitative analysis utilized data from 2009 to 2020 annual reports of financial firms listed on the Ghana Stock Exchange, supplemented by secondary data. The sample included 13 firms with at least 12 years of operation, totaling 156 firm‐year observations. Probit regression and descriptive statistics were applied for analysis. Findings reveal a limited impact of corporate governance on SDG contributions, with older firms more likely to engage in SDG efforts. Education and health‐related SDGs dominate the focus among contributing firms. The study recommends policies mandating environmental, social, and governance (ESG) disclosures to strengthen corporate SDG contributions. Policymakers could incentivize compliance through tax benefits or sustainability‐linked financing for firms aligned with SDGs. Capacity‐building programs for corporate leaders and board members are also necessary to integrate SDGs into business strategies. These findings offer critical insights for policymakers and a foundation for further research on corporate governance's role in advancing SDGs, particularly in sub‐Saharan Africa.
Theoretical Model and Shaking Table Experiment of Eddy Current–Enhanced Friction Pendulum Tuned Mass Damper
Authors: Du Jiandong , Du Jiaoyan , Bao Chao , Cao Jixing , Yu Ziying , Ma Xiaotong , Lu Jianning 
Published: January 2025

ABSTRACTTraditional pendulum tuned mass dampers (PTMDs) necessitate substantial vertical space, and conventional friction pendulum systems (FPS‐TMDs) struggle to balance low activation thresholds with adequate damping levels due to their reliance on friction forces. This study presents an innovative eddy current–enhanced friction pendulum tuned mass damper (ECEFP‐TMD), which capitalizes on eddy current damping to lower the activation threshold effectively. Simultaneously, incidental friction damping provides a complementary dual–damping scheme. We developed a robust theoretical model, underpinned by shaking table experiments, to demonstrate the ECEFP‐TMD's superior vibration mitigation. Findings reveal that eddy current damping not only diminishes the activation threshold but also streamlines the adjustment of damping levels. The integrated dual–damping mechanism substantially augments energy dissipation, thus reducing the acceleration response of structures subjected to seismic activity. Particularly, for FPS‐TMDs with minimal friction coefficients, the inclusion of eddy current damping substantially elevates seismic resilience, mitigating stick–slip behavior typically induced by excessive friction damping.
Predicting Compressive Strength of Oil Well Cement Slurries: Novel Moduli‐Based Analysis of Chemical Composition at Different Temperature Condition
Authors: Jamal Mohammed Ariwan , Mohammed Ahmed Salih , Ali Jagar A. 
Published: January 2025

ABSTRACTThis study evaluates the impact of cement chemical composition on the compressive strength (CS) of cement slurries, utilizing silica fume (SF) and fly ash (FA) as additional materials. A comprehensive analysis was conducted on 317 datasets from the literature, focusing on factors including silicon dioxide (SiO₂), aluminum oxide (Al₂O₃), calcium oxide (CaO), iron oxide (Fe₂O₃), water‐to‐binder (w/b) ratio, and SF and FA content, as well as curing time and temperature. The research presents three geochemical moduli, namely, silicate modulus (SM), aluminate modulus (AM), and hydraulic modulus (HM), to assess and forecast CS. The investigation utilizing full quadratic (FQ) and cubic (CUB) models underscores the precision of prediction models corroborated by statistical metrics, such as scatter index (SI), root mean squared error (RMSE), and correlation coefficient (R2). Univariate, bivariate, and multivariate evaluations indicate that SM, AM, and HM significantly decrease input parameters while preserving or enhancing model accuracy. The ideal replacement percentages for SF and FA to maximize strength were determined to be 14.6% and 11.6%, respectively. The optimal values for SM, AM, and HM were 2.62, 1.38, and 2.21, respectively. The results establish a solid framework for optimizing cement formulations, presenting sustainable alternatives for improved mechanical performance and decreased material consumption in oil well cementing and building applications.
Surgical stabilisation of a radio‐ulno‐carpometacarpal luxation in a common buzzard (Buteo buteo) with a distal radio‐ulnar screw
Authors: Marical Julien , Zoller Graham , Jacqmin Maxime , Ferrand François‐Xavier 
Published: January 2025

AbstractA 4‐year‐old, captive, male common buzzard (Buteo buteo) was presented for sudden inability to fly. A radio‐ulno‐carpometacarpal luxation was diagnosed using radiography. A complete closed reduction of the luxation was unsuccessful. A novel technique of open reduction and stabilisation with a distal radio‐ulnar screw proximal to the ulnar carpal bone was performed. The range of motion of the wing was normal in immediate postoperative because the ulnar carpal bone was not immobilised. Then, the wing was immobilised with a figure‐of‐eight bandage for 2 weeks and the bird had restricted exercise for 4 weeks postoperatively. Six months postoperatively, follow‐up radiographs revealed that the implant location was unchanged with periarticular fibrosis. Discrete loss of extension of the wing was observed. The bird recovered the ability to fly and training resumed 9 months after the surgery. The novel surgical technique described in this case report represents a feasible and effective technique for the treatment of an avian radio‐ulno‐carpometacarpal joint luxation.
Nutzerverhalten bei der Funktionsprüfung des Beatmungsgerätes: Analyse zu Einsatz des KURZcheck und Detektion fehlkonnektierter Beatmungsschläuche
Authors: Uzun Davut D. , Schäfer Johannes , Klemm Sascha , Lichtenstern Christoph , Weigand Markus A. , Neuhaus Christopher 
Published: January 2025

Zusammenfassung

Hintergrund und Fragestellung
Die Patientensicherheit bei Allgemeinanästhesien hat sich in den letzten Jahren verbessert, dennoch kommt es immer wieder zu anästhesiologischen Zwischenfällen, insbesondere im Bereich der Atemwegssicherung. Vor dem Einsatz eines Beatmungsgerätes ist ein obligatorischer Systemtest erforderlich, zusätzlich sollte der von der DGAI empfohlene KURZcheck vor Anschluss eines Patienten durchgeführt werden. Dennoch sind Fehlanschlüsse der Beatmungsschläuche, die nicht zwingend vom Gerät im Rahmen des Selbsttests erkannt werden, möglich. Ziel der vorliegenden Studie war die Analyse des Nutzerverhaltens an modernen Anästhesiearbeitsplätzen im Hinblick auf den Einsatz des KURZcheck.

Material und Methoden
Es erfolgten eine monozentrische, prospektive Beobachtung des Nutzerverhaltens im Umgang mit dem KURZcheck im Rahmen eines medizinischen Simulationstrainings sowie eine prospektive, multizentrische, explorative, anonyme Befragung des anästhesiologischen Personals in verschiedenen deutschen Kliniken.

Ergebnisse
Von n = 30 beobachteten Probanden führten n = 28 (93,3 %) unmittelbar vor dem Anschluss des Simulationspatienten an das Beatmungsgerät einen KURZcheck durch. Nur einer dieser 28 erkannte die Fehlkonnektion der Beatmungsschläuche im Rahmen des KURZcheck. Den am Beatmungsgerät vorgehaltenen separaten Handbeatmungsbeutel nutzten trotz persistierender Beatmungsprobleme nur 20 % der teilnehmenden Ärzte. Die Online-Umfrage wurde von n = 187 Teilnehmenden beantwortet. 64,7 % der Teilnehmenden führen den KURZcheck nach eigenen Angaben immer durch, 31,5 % manchmal und 3,7 % nie. Das Vorhandensein eines separaten Handbeatmungsbeutels wird von 66,3 % der Befragten immer überprüft, von 29,8 % manchmal und von 3,8 % nie. 32 % der Ärzte waren der Meinung, dass der integrierte Selbsttest eine Fehlkonnektion der Beatmungsschläuche immer erkennt.

Schlussfolgerung
Die vorliegende Studie zeigt ein heterogenes Bild der Anwendung und des Verständnisses des von der DGAI empfohlenen KURZcheck. Die in der Umfrage offenbarten Wissenslücken in Bezug auf Durchführung, Möglichkeiten und Grenzen des Checks unterstreichen die Bedeutung einer Ausbildung mit den Schwerpunkten Human Factors, Kommunikation und Kooperation im Gegensatz zu einer rein prozeduralen Umsetzung bewährter Werkzeuge.

Graphic abstract
Photosynthesis in Synechocystis sp. PCC 6803 is not optimally regulated under very high CO2
Authors: Carrasquer-Alvarez Elena , Hoffmann Ute Angelika , Geissler Adrian Sven , Knave Axel , Gorodkin Jan , Seemann Stefan Ernst , Hudson Elton P. , Frigaard Niels-Ulrik 
Published: January 2025

Abstract
One strategy for CO2 mitigation is using photosynthetic microorganisms to sequester CO2 under high concentrations, such as in flue gases. While elevated CO2 levels generally promote growth, excessively high levels inhibit growth through uncertain mechanisms. This study investigated the physiology of the cyanobacterium Synechocystis sp. PCC 6803 under very high CO2 concentrations and yet stable pH around 7.5. The growth rate of the wild type (WT) at 200 µmol photons m−2 s−1 and a gas phase containing 30% CO2 was 2.7-fold lower compared to 4% CO2. Using a CRISPR interference mutant library, we identified genes that, when repressed, either enhanced or impaired growth under 30% or 4% CO2. Repression of genes involved in light harvesting (cpc and apc), photochemical electron transfer (cytM, psbJ, and petE), and several genes with little or unknown functions promoted growth under 30% CO2, while repression of key regulators of photosynthesis (pmgA) and CO2 capture and fixation (ccmR, cp12, and yfr1) increased growth inhibition under 30% CO2. Experiments confirmed that WT cells were more susceptible to light inhibition under 30% than under 4% CO2 and that a light-harvesting-impaired ΔcpcG mutant showed improved growth under 30% CO2 compared to the WT. These findings suggest that enhanced fitness under very high CO2 involves modifications in light harvesting, electron transfer, and carbon metabolism, and that the native regulatory machinery is insufficient, and in some cases obstructive, for optimal growth under 30% CO2. This genetic profiling provides potential targets for engineering cyanobacteria with improved photosynthetic efficiency and stress resilience for biotechnological applications.

Key points
• Synechocystis growth was inhibited under very high CO

2

.

• Inhibition of growth under very high CO

2

was light dependent.

• Repression of photosynthesis genes improved growth under very high CO

2

.

Graphical Abstract
Porosity effect on the thermal conductivity of sintered powder materials
Authors: Montes J. M. , Cuevas F. G. , Cintas J. , Ternero F. 
Published: January 2025

Abstract
In this work, the effective thermal conductivity of sintered powder materials is studied. The extensive literature related to the proposed models about this property in all kind of porous materials is reviewed, and a new equation is proposed as a function of the fully dense material conductivity, the porosity of the material and the tap porosity of the starting powder. This equation covers the porosity range of powder aggregates from the tap porosity to zero porosity, and also applies to sintered powders. The proposed equation has been experimentally validated by fitting to experimental data of metallic sintered powder materials measured at room temperature, resulting very good agreements. Also, alternative models proposed by other authors have been fitted to the same experimental data to check the relative goodness of the proposed model. The results allow to conclude that a percolation model can describe the behaviour of the effective thermal conductivity of sintered powder materials with low and medium porosity levels.