bluuebunny/crossref_metadata_2025_split huggingface dataset:
Longitudinal echocardiographic parameters for evaluation of pulmonary hypertension in preterm infants with very low birth weight
Authors: Saengsin Kwannapas , Khuwuthayakorn Varangthip , Prongprot Yupada , Sittiwangkul Rekwan , Phinyo Phichayut , Tanasombatkul Krittai , Langu Munranee 
Published: October 2024

AbstractBackground:Echocardiography is essential for the evaluation of pulmonary hypertension. We determined the feasible quantitative parameter for screening and monitoring pulmonary hypertension in preterm infants.Methods:This secondary analysis of a prospective cohort single-centre study was conducted between August 2019 and September 2020. Serial echocardiography was performed 7 and 28 days after birth and at 36 weeks postmenstrual age. The data of infants who developed pulmonary hypertension at 36 weeks postmenstrual age were compared with those without pulmonary hypertension. We also modelled the parameters’ trend and performed an interaction test using multi-level Gaussian regression.Results:Out of 30 infants enrolled in the study, 79 echocardiograms were analysed. Left ventricular eccentric index was obtainable in all infants, while tricuspid jet velocity was measurable in 44.1%. Left ventricular eccentric index correlated well with tricuspid regurgitation jet velocity (r = 0.77, P < 0.001). Six infants were diagnosed with newly developed or persistent pulmonary hypertension at 36 weeks postmenstrual age. Serial left ventricular eccentric index showed a significantly different increasing trend in the pulmonary hypertension group (change per day: +0.004; P = 0.090) from the decreasing trend among a non-pulmonary hypertension group (change per day: –0.001; P = 0.041) (P for interaction = 0.007). Right ventricular systolic function and right ventricular isovolumic systolic velocity revealed a reducing trend in the pulmonary hypertension group, which was different from the improving trend in non-pulmonary hypertension infants. Infants with low current weight, low postmenstrual age, and requiring high-flow oxygen therapy at day 28 of life trended to increase the risk of late pulmonary hypertension.Conclusion:Left ventricular eccentric index and right ventricular isovolumic systolic velocity were feasible for assessing pulmonary hypertension and should be incorporated into pulmonary hypertension evaluation. Serial left ventricular eccentric index and right ventricular isovolumic systolic velocity may help predict late pulmonary hypertension and early detection of right ventricular dysfunction.
Reduced red and processed meat consumption is associated with lower diet costs in US households: a national analysis of protein substitutions
Authors: Orta-Aleman Dania , Thorne-Lyman Andrew L , Neff Roni , Wolfson Julia , Caulfield Laura E 
Published: October 2024

Abstract

Objective:
To examine the association between red and processed meat consumption and total food expenditures in US households and explore whether households could reduce food costs by substituting these meats with other protein sources such as poultry, seafood, eggs and plant proteins.

Design:
Cross-sectional study using data from the National Household Food Acquisition and Purchase Survey (FoodAPS). Using adult male equivalents (AME) for standardisation, we categorised red and processed meat purchases into quintiles. We used generalised linear models to explore the association between red or processed meat consumption and food expenditures and the cost effect of substituting meat with other proteins.

Setting:
United States.

Participants:
Data from 4739 households with valid acquisition information from FoodAPS, a stratified multistage probability sample of US households.

Results:
Higher red and processed meat consumption were both significantly associated with higher total weekly food expenditures, particularly among households with low income. Substituting red or processed meat with poultry, eggs or plant proteins did not significantly affect overall food expenditures, whereas replacing meat with seafood, especially varieties high in n-3 fatty acids, led to increased costs.

Conclusions:
Reducing red and processed meat consumption could offer savings for households, particularly those with low income. Although substitutions with seafood high in n-3 could increase expenses, alternative protein sources like poultry and plant proteins may serve as cost-neutral replacements. Public health strategies should emphasise dietary shifts’ economic, health and environmental benefits and aim to make nutritious yet affordable protein sources more accessible.
TBC1D15-regulated mitochondria–lysosome membrane contact exerts neuroprotective effects by alleviating mitochondrial calcium overload in seizure
Authors: Xie Yinyin , Zhang Wanwan , Peng Tingting , Wang Xiaoyi , Lian Xiaolei , He Jiao , Wang Cui , Xie Nanchang 
Published: October 2024

AbstractMitochondrial calcium overload plays an important role in the neurological insults in seizure. The Rab7 GTPase-activating protein, Tre-2/Bub2/Cdc16 domain family member 15 (TBC1D15), is involved in the regulation of mitochondrial calcium dynamics by mediating mitochondria–lysosome membrane contact. However, whether TBC1D15-regulated mitochondria–lysosome membrane contact and mitochondrial calcium participate in neuronal injury in seizure is unclear. We aimed to investigate the effect of TBC1D15-regulated mitochondria–lysosome membrane contact on epileptiform discharge-induced neuronal damage and further explore the underlying mechanism. Lentiviral vectors (Lv) infection and stereotaxic adeno-associated virus (AAV) injection were used to regulate TBC1D15 expression before establishing in vitro epileptiform discharge and in vivo status epilepticus (SE) models. TBC1D15’s effect on inter-organellar interactions, mitochondrial calcium levels and neuronal injury in seizure was evaluated. The results showed that abnormalities in mitochondria–lysosome membrane contact, mitochondrial calcium overload, mitochondrial dysfunction, increased levels of reactive oxygen species, and prominent neuronal damage were partly relieved by TBC1D15 overexpression, whereas TBC1D15 knockdown markedly deteriorated these phenomena. Further examination revealed that epileptiform discharge-induced mitochondrial calcium overload in primary hippocampal neurons was closely associated with abnormal mitochondria–lysosome membrane contact. This study highlights the crucial role played by TBC1D15-regulated mitochondria–lysosome membrane contact in epileptiform discharge-induced neuronal injury by alleviating mitochondrial calcium overload.
Effect of temperature and extraframework cation type on CHA framework flexibility
Authors: Cametti Georgia , Giordani Matteo 
Published: October 2024

AbstractThe sorption properties of zeolites are controlled by several factors, i.e. Si/Al ratio of the aluminosilicate framework [AlSiO4]-, the type and position of the extraframework (EF) cations, and the applied temperature. Here we investigate the flexibility of CHA framework as a function of EF cation-content and temperature (20–350 °C). Two CHA forms (Na- and Cu-CHA) with Si/Al = 2 were analysed. The main objectives were: (i) to shed light on the HT behaviour of Na-CHA, for which contrasting results exist in literature; (ii) define the role of temperature and EF cation-type in the response to the heating stimuli. We show that at 75 °C, Na-CHA undergoes a severe contraction of the unit-cell volume (-12%) accompanied by a symmetry lowering (R-3m to I2/m). The transformation is reversible, if the dehydrated Na-CHA is exposed to ambient conditions. In contrast, Cu-CHA experiences a significant different dehydration path, which involves minor changes of the CHA framework, and a net positive thermal-expansion after dehydration. The implications of the observed transformations for gas separation processes are finally discussed.
Clinical relevance of proteinuria selectivity index and fractional excretion of sodium in patients with nephrotic syndrome
Authors: Nakayama Takashin , Azegami Tatsuhiko , Yamaguchi Shintaro , Hirano Keita , Komatsu Motoaki , Fujii Kentaro , Futatsugi Koji , Urai Hidenori , Kawaguchi Takahisa , Itoh Tomoaki , Yoshimoto Norifumi , Hagiwara Aika , Hishikawa Akihito , Matsuda Hiroto , Ando Takashi , Yamaji Yasuyoshi , Murakami Marohito , Hashiguchi Akinori , Kaneko Yuko , Yokoo Takashi , Hayashi Kaori 
Published: October 2024

AbstractProteinuria selectivity index (PSI) is a potential tool for histological classification and prediction of treatment response in nephrotic syndrome, but evidence is insufficient. Clinical relevance of fractional excretion of sodium (FENa) in nephrotic syndrome remains largely unexplored. This multicenter retrospective study included patients with nephrotic syndrome who underwent kidney biopsy between January 2012 and June 2022. Optimal cutoffs for predicting complete remission based on PSI and FENa were determined using receiver operating characteristic curves. Patients were divided into two groups using these cutoffs and followed until complete remission. Of the 611 patients included, 177 had minimal change disease (MCD), 52 had focal segmental glomerulosclerosis (FSGS), and 149 had membranous nephropathy (MN). Median (interquartile range) PSI were 0.14 (0.09–0.19) for MCD, 0.33 (0.23–0.40) for FSGS, and 0.20 (0.14–0.30) for MN. FENa were 0.24 (0.09–0.68), 1.03 (0.50–2.14), and 0.78 (0.41–1.28). Patients with low PSI and FENa had a higher incidence of complete remission. Cox regression analyses demonstrated that both parameters were associated with achieving complete remission (HR 2.73 [95% CI 1.97–3.81] and HR 1.93 [95% CI 1.46–2.55], respectively). PSI and FENa may be useful for histological classification and predicting remission in nephrotic syndrome.
Association between red blood cells transfusion and 28-day mortality rate in septic patients with concomitant chronic kidney disease
Authors: Chen Lei , Lu Honglei , Lv Chenwei , Ni Haibin , Yu Renjun , Zhang Bing , Hu Xingxing 
Published: October 2024

AbstractPatients with chronic kidney disease (CKD) often have impaired immune function, making them more prone to infections that can lead to sepsis. The coexistence of these conditions can result in decreased hemoglobin levels and is associated with a higher mortality rate. To investigate whether the transfusion of red blood cells (RBCs) improves the prognosis of septic patients with concomitant CKD and to explore the indications for red blood cell transfusion. This retrospective cohort study utilizes data from the MIMIC-IV (v2.0) database. The study enrolled 6,604 patients with sepsis and concomitant CKD admitted to the Intensive Care Unit (ICU). Propensity score matching (PSM) was applied to adjust for confounding factors. Multivariate Cox regression analysis revealed an association between RBC transfusion and a decreased risk of 28-day mortality (HR: 0.61, 95% CI: 0.54–0.70, P < 0.001). Following a meticulous 1:1 propensity score matching analysis between the two cohorts, the matched population revealed a notable decrease in 28-day mortality within the RBC transfusion group (HR: 0.60, 95% CI: 0.51–0.71; P < 0.001). Additionally, we observed that a SOFA score ≥ 5, a Base Excess (BE) value < 3, and an estimated Glomerular Filtration Rate (eGFR) < 30 may be considered when evaluating the potential need for RBC transfusion. This study demonstrated an association between RBC transfusion and decreased 28-day mortality in patients with sepsis accompanied by CKD. The patient’s BE value, SOFA score, and eGFR are crucial factors influencing the treatment outcome and should be considered when deciding on RBC transfusion.
Implementierung der rehabilitativen Kurzzeitpflege in die
Regelversorgung: Modelle zur Finanzierung und Vergütung
Authors: Hüer Theresa , Wasem Jürgen , Raszke Pascal , Frankenhauser-Mannuss Julia , Bauer Jürgen , Keilhauer Anne , Specht-Leible Norbert , zur Nieden Pauline , Diekmann Sandra , Neumann Anja , Pahmeier Kathrin , Walendzik Anke 
Published: October 2024

ZusammenfassungBeim innovativen Ansatz der rehabilitativen Kurzzeitpflege werden
Leistungsinhalte der stationären Kurzzeitpflege um rehabilitative Maßnahmen
ergänzt. Für eine Überleitung in die Regelversorgung wurden Vergütungs- und
Finanzierungsmodelle auf Basis einer Literaturrecherche entwickelt,
kriteriengestützt bewertet und in einem Stakeholder-Workshop diskutiert. Die
Ansätze zur Finanzierung umfassen eine reine Finanzierung durch die GKV, eine
Zuordnung der Finanzierungsträger GKV und SPV nach Leistungsbestandteilen sowie
die Zuordnung der Finanzierungsverantwortung nach Rehabilitationsrisiko über
Transferzahlungen von der SPV an die GKV. Die Vergütungsmodelle unterscheiden
Fallpauschalen und Tagessätze, die entweder aufwandsspezifisch differenziert,
durch eine Pay-for-Performance-Komponente ergänzt oder einheitlich ausgestaltet
sind. Die kriteriengestützte Bewertung zeigte Trade-offs hinsichtlich der
Zielerreichung der verschiedenen Kriterien.
Introducing the comparative semi-presidential database (CSPD)
Authors: Åberg Jenny , Denk Thomas 
Published: October 2024

AbstractIn this article, we introduce a new dataset—the Comparative Semi-Presidential Database (CSPD)—covering classifications of semi-presidential regimes. In contrast to other databases, the CSPD offers several classifications based on different definitions of semi-presidential regimes along with subtypes of semi-presidential regimes. We use definitions developed by Elgie (in: Elgie (ed) Semi-presidentialism in Europe, Oxford University Press, Oxford, 1999), Cheibub et al. (Public Choice 143:67–101, 2010), Shugart (French Politics 3(3):323–351, 2005) and Shugart and Carey (Presidents and assemblies: constitutional design and electoral dynamics, Cambridge University Press, New York, 1992). Additionally, we present a modified definition of semi-presidential regimes based on the conceptual discussion in the field. The database covers all independent states from 1900 to 2021. Using empirical analyses, we compare the classifications, the importance of conceptualisation and presenting our measurement for semi-presidential regimes.
Review of the Research Status of Practical Superconducting Materials and Their Current Carrying Performance
Authors: Zhang 张 Yifan 一帆 , Zhang 张 Shengnan 胜楠 , Liu 刘 Jixing 吉星 , Yang 杨 Fang 芳 , Li 李 Chengshan 成山 , Li 李 Jianfeng 建峰 , Zhang 张 Pingxiang 平祥 
Published: October 2024

Abstract
Superconducting materials hold great potential in high field magnetic applications compared to traditional conductive materials. At present, practical superconducting materials include low-temperature superconductors such as NbTi and Nb3Sn, high-temperature superconductors such as Bi-2212, Bi-2223, YBCO, iron-based superconductors and MgB2. The development of low-temperature superconducting wires started earlier and has now entered the stage of industrialized production, showing obvious advantages in mechanical properties and cost under low temperature and middle-low magnetic field. However, due to the insufficient intrinsic superconducting performance, low-temperature superconductors are unable to exhibit excellent performance at high temperature or high fields. Further improvement of supercurrent carrying performance mainly depends on the enhancement of pinning ability. High-temperature superconductors have greater advantages in high temperature and high field, but many of them are still in the stage of further performance improvement. Many high-temperature superconductors are limited by the deficiency in their polycrystalline structure, and further optimization of intergranular connectivity is required. In addition, it is also necessary to further enhance their pinning ability. The numerous successful application instances of high-temperature superconducting wires and tapes also prove their tremendous potential in electric power applications.
High-Temperature Phonon-Mediated Superconductivity with Tc above 100K in Monolayer Na(BC)2 and K(BC)2
Authors: Chen 陈 Wenxuan 文轩 , Liu 刘 Zhengtao 正涛 , Huo 霍 Zihao 子豪 , Dong 董 Guiyan 桂言 , Cai 蔡 Jialiang 嘉良 , Duan 段 Defang 德芳 
Published: October 2024

Abstract
Two-dimensional (2D) materials have demonstrated promising prospects owing to their distinctive electronic properties and exceptional mechanical properties. Among them, 2D superconductors with T
c above the boiling point of liquid nitrogen (77 K) will exhibit tremendous applicable value in the future. Here, we design two 2D superconductors Na(BC)2 and K(BC)2 with MgB2-like structures, which are theoretically predicted to host T
c as high as 99 and 102 K, respectively. The origin of such high T
c is ascribed to the presence of both σ-bonding bands and van Hove singularity at the Fermi level. Furthermore, T
c of Na(BC)2 is boosted up to 153 K with a biaxial strain of 5%, which sets a new record among 2D superconductors. The predictions of Na(BC)2 and K(BC)2 open the door to explore 2D high-temperature superconductors and provide a potential future for developing new applications in 2D materials.
Particle fluctuations in systems with Bose–Einstein condensate
Authors: Yukalov V I 
Published: October 2024

Abstract
Particle fluctuations in systems, exhibiting Bose–Einstein condensation, are reviewed in order to clarify the basic points that attract high interest and often confront misunderstanding. It is explained that the so-called ‘grand canonical catastrophe’, claiming the occurrence of catastrophic particle fluctuations in the condensed phase, treated by grand canonical ensemble, does not exist. What exists is the incorrect use of the grand canonical ensemble, where gauge symmetry is not broken, while the correct description of the condensed phase necessarily requires gauge symmetry breaking. The ideal Bose gas has no catastrophic condensate fluctuations, and moreover there are no condensate fluctuations at all, as soon as gauge symmetry is broken. However it does have anomalous fluctuations of uncondensed particles, which implies its instability. For interacting particles, there are no condensate fluctuations, as soon as gauge symmetry is broken, and anomalous fluctuations of uncondensed particles, when correctly calculated, do not appear. Particle fluctuations in the systems of trapped atoms are discussed. Canonical ensemble and grand canonical ensemble with broken gauge symmetry are equivalent with respect to the number of particle scaling.
Intelligent improvement of gear hobbing process based on the TRIZ method
Authors: Wu Dayuan , Fang Yifang , Du Mengxin , Liu Tao , Zhao Wanlin , Du Penghao 
Published: October 2024

Abstract
Gear hobbing is currently one of the most widely used gear processing technologies. Still, due to its involvement in multiple processing parameters, coupling of influencing factors, and limitations in technical conditions, many problems need to be improved in the gear hobbing process. This article uses the TRIZ innovative method to conduct a systematic functional analysis and contradiction analysis of the gear hobbing process, proposes a series of intelligent and innovative methods, and verifies the effectiveness of the proposed set of innovative methods through the on-site application of the final ideal solution.
Design of intelligent remote monitoring and diagnosis system for equipment
Authors: Li Zhenao , Chen Lei , Li Wenlong , Shi Wenxuan 
Published: October 2024

Abstract
As modern production technology progresses, equipment complexity escalates, resulting in a rising failure rate. An intelligent remote monitoring and diagnosis system for equipment based on cloud-edge collaboration technology is designed to address the problems of poor data transmission ability and low fault diagnosis accuracy in traditional monitoring and diagnosis systems. The system realizes information perception, collection, and edge computing through edge intelligent devices. The feature extraction, pattern recognition, and intelligent information diagnosis are realized in the cloud platform, and the equipment’s running state and diagnosis results are displayed in real time at the terminal. The research and design of this system are of great significance in reducing unexpected downtime of equipment and improving production efficiency.
Lightweighting study of key components of lifting spreader based on the ANSYS workbench
Authors: Gao Weiqian , Wei Yulan , Huang Shiyu , Zhao Jiahua , Li Bing , Ma Wenchao 
Published: October 2024

Abstract
Based on the ANSYS workbench simulation platform for a lightweight solution, the key components of the lifting spreader are optimized and analyzed for the study. Using the ANSYS workbench simulation platform in conjunction with Solidworks software, the following model optimization is carried out based on establishing and analyzing the finite element model. The optimization results show that the self-weight is reduced by 29.5%, which indicates that the optimization analysis can keep the key components of the spreader in use with the same performance and high safety factor while reducing their mass density, improving mechanical properties, and reducing production costs. At the same time, the optimized efficiency of key components can be achieved by making full use of their structural properties.
Investigation into cold extrusion preforming of tantalum alloy component using finite element method
Authors: Shu Dayu , Zhan Hong , Wu Hulin , Chen Qiang 
Published: October 2024

Abstract
In this work, stress-strain distribution and material flow law of tantalum alloy components in cold extrusion preforming and the influence of critical design factors have been synthetically investigated. Based on the ABAQUS/Explicit platform, a finite element (FE) model was established to study the cold extrusion preforming process and the numerical result agreed well with the experiment. The verified FE model was employed to reveal the influence of pivotal design factors (blank geometry parameter, friction factor between dies and billet and deformation speed) on the formability and forming load of tantalum alloy preform. The results show that the equivalent plastic strain from the upper surface to the lower surface increasingly decreases along the thickness direction of the preform; while along the radial direction, the strain shows the tendency of first increasing and then decreasing. The forming load increases with the improvement of the blank geometry parameter and the friction factor between dies and billet while keeping insensitive to the variation of the deformation speed. In cold extrusion preforming of tantalum alloy component, the optimal initial blank diameter, friction factor between dies and billet and deformation speed of billet are 50 mm, 0.1 and 10 mm/s, respectively.
Research and verification of in-orbit induction-assisted welding process for thermoplastic-composite materials
Authors: Yan Jiayong , Li Peng , Duan Yingjia , Wang Cunyi , Geng Chao , Zhang Lixin 
Published: October 2024

Abstract
High-performance thermoplastic composite materials are commonly used as structural materials in aerospace. This article proposes an electromagnetic induction welding method suitable for the quick connection of thermoplastic composite structures between longitudinal beams and web members of truss structures. Research on electromagnetic induction welding methods and a small welding tool was developed. The electromagnetic induction welding verification test for carbon fiber-reinforced thermoplastic composite materials was completed. The quick welding of the truss longitudinal beam and the web member has been achieved, and the results show that this method has high welding efficiency, the equipment easily achieves miniaturization, and is suitable for the welding of thermoplastic composite materials. The application of this method can lay the foundation for the quick welding of thermoplastic composite material structures.