bluuebunny/crossref_metadata_2025_split huggingface dataset:
Ultrafast laser-induced spin–lattice dynamics in the van der Waals antiferromagnet CoPS3
Authors: Khusyainov D. , Gareev T. , Radovskaia V. , Sampathkumar K. , Acharya S. , Šiškins M. , Mañas-Valero S. , Ivanov B. A. , Coronado E. , Rasing Th. , Kimel A. V. , Afanasiev D. 
Published: July 2023

CoPS3 stands out in the family of the van der Waals antiferromagnets XPS3 (X = Mn, Ni, Fe, and Co) due to the unquenched orbital momentum of the magnetic Co2+ ions, which is known to facilitate the coupling of spins to both electromagnetic waves and lattice vibrations. Here, using a time-resolved magneto-optical pump–probe technique, we experimentally study the ultrafast laser-induced dynamics of mutually correlated spins and lattice. It is shown that a femtosecond laser pulse acts as an ultrafast heater and, thus, results in the melting of the antiferromagnetic order. At the same time, the resonant pumping of the 4T1g → 4T2g electronic transition in Co2+ ions effectively changes their orbital momentum, giving rise to a mechanical force that moves the ions in the direction parallel to the orientation of their spins, thus generating a coherent Bg phonon mode at the frequency of about 4.7 THz.
Controlling mesenchymal stem cell differentiation using vanadium oxide thin film surface wettability
Authors: Khokhlova Mariya , Yadav Abhishek , Hammad M. , Lhuissier Eva , Retoux R. , Goux D. , Fouchet Arnaud , David Adrian , Luders Ulrike , Boumediene Karim , Prellier W. 
Published: July 2023

Although vanadium compounds are well recognized for their ability to change from insulator to metal, they may also be used therapeutically to address significant medical issues. In this study, we used vanadium oxide thin films synthesized by the pulsed laser deposition (PLD) technique to examine human stem cells generated from bone marrow. According to x-ray reflectivity (XRR) measurements, the films’ thickness ranged from 6 to 26 nm. The water contact angle method has been employed to probe the surface energy and wettability of the films, which influence the cell behavior significantly. We also used a variety of techniques, such as differentiation staining, phase contrast microscopy, and real-time reverse transcription-polymerase chain reaction (RT-PCR), to examine the growth, adhesion, proliferation, and differentiation of human bone marrow mesenchymal stem cells (hBMMSCs) on these oxide films over time. Our results indicated that vanadium oxide films alter hBMMSCs adhesion and growth and affect their differentiation. The application of VOx films in biological and medical materials, as well as future research on cells, is all made possible by these findings, which also improve our understanding of the biological actions of vanadium compounds.
Porphyrin-based covalent organic polymer as an effective and stable dispersed nano-quencher for rapid fluorescence sensing of nucleic acid
Authors: Cui Chao , Xu Qi , Zhao Yisheng , Sun Xiaomeng , Sang Yuanhua , Guo Mei , Wang Wei , Wang Quanbo 
Published: July 2023

An effective fluorescent quencher with high quenching efficiency and good stability is of great significance for fluorescence sensing of biomolecules, such as nucleic acid. Here, a porphyrin-based covalent organic polymer (PCOP) was fabricated by a coupling reaction between 1,3,5-triethynylbenzene and 5,10,15,20-tetrakis(4′-bromophenyl) porphyrin. A stable water dispersed PCOP with a porous sphere-like morphology around 50 nm and a zeta potential of −24.6 mV was obtained by using the sonication method. The PCOP showed a superb quenching efficiency and fast quenching dynamics to fluorescent dye due to the high specific surface area of PCOP, which enables the π–π stacking of fluorescent dye to the conjugated porphyrin surface of PCOP, leading to a static quenching effect. The excellent property of PCOP as a fluorescent quencher is comparable with graphene oxide, which is widely utilized in biomolecule detection. Thus, a sensing platform of PCOP for the rapid fluorescence detection of DNA from influenza A virus was constructed with high sensitivity and selectivity. The detection range was found from 1 to 30 nM for the target DNA with a detection limit of 0.38 nM. The effective and stable dispersed nano-quencher reported here highlighted the importance of covalent organic polymers for their sensing application.
The semantic constraint on gapping in Mandarin Chinese
Authors: Ai Ruixi Ressy 
Published: July 2023

Abstract
I argue that gapping in Mandarin Chinese as a deletion operation (cf. Wei
2011; Ai 2014) is administrated by some semantic constraints and the
discourse in which they occur, in line with Kuno (1976); Tsao (1979) and Wei (2011). Specifically, I argue that the
semantic combination of the VP (cf. Paul 1996a, b, 1999) and the object NP (cf. Li
1998) in gapped sentences cannot be [−generic, -definite]. That is, the VP in the gapped clause cannot have a [-generic]
interpretation and simultaneously for the object to have a [−definite] interpretation. If so combined, gapping in Mandarin Chinese
will be blocked.
Sex differences in fatigability and recovery following a 5 km running time trial in recreationally active adults
Authors: Pons Maria Solleiro , Hunter Sandra K. , Ansdell Paul 
Published: July 2023

ABSTRACTFemales demonstrate greater fatigue resistance compared to males in tasks ranging from single‐limb contractions to whole‐body exercise, including running. Many of the studies investigating sex differences in fatigability following running, however, occur after long duration, low‐intensity tasks and it is unknown whether there is a sex difference in fatigability following high‐intensity running. This study compared fatigability and recovery following a 5 km running time trial in young males and females. Sixteen recreationally active participants (8 males, 8 females, age: 23 ± 4 years) completed a familiarisation and experimental trial. Knee‐extensor maximal voluntary contractions (MVCs) were performed before and up to 30 min after a 5 km time trial on a treadmill. Heart rate and rating of perceived exertion (RPE) were recorded after every kilometre during the time trial. Although not significantly different, males completed the 5 km time trial 15% faster than females (p = 0.095). Heart rate (p = 0.843) and RPE (p = 0.784) were similar between the sexes during the trial. Prior to running, males had larger MVCs (p = 0.014). The relative decrease in MVC force was less in females than males immediately post‐exercise (−4.6 ± 2.4% vs. −15.1 ± 3.0%, p < 0.001) and at 10‐minutes post‐exercise (p = 0.018). At 20‐ and 30‐minutes recovery, however, relative MVC force was not different between the sexes (p ≥ 0.129). These data demonstrate that females experienced less fatigability of the knee extensors than males following a high‐intensity 5 km running time trial. The findings highlight the need to understand responses to exercise in both sexes and have implications for recovery from training and exercise prescription.Highlights

Data regarding sex differences in fatigability following high‐intensity running is relatively sparse.
Therefore, this study quantified the decrease in knee‐extensor maximum voluntary contraction force (MVC) following a 5‐km self‐paced running time trial.
Despite similar heart rates and ratings of perceived exertion, the percentage decrease in MVC was three times greater in males compared to females.
Relative MVCs remained greater in females compared to males until 20 min post‐exercise.
Bilateral comparison of 1 Ω and 10 kΩ standards (ongoing BIPM key comparisons BIPM.EM-K13.a and 13.b) between the CEM (Spain) and the BIPM
Authors: Rolland B , Stock M , Gournay P , Matías L , Hortelano A , Raso F , Díaz de Aguilar J 
Published: July 2023

Main text
This report gives the result of a bilateral comparison of resistance between the CEM (Spain) and the BIPM carried out from March 2022 to September 2022. Two 1 Ω and two 10 kΩ travelling standards belonging to the BIPM were used. The comparison was carried out with an 'A-B-A' pattern of measurements; the standards were measured first at the BIPM for a period of about one month, then for a period of about one month at the CEM, and finally again at the BIPM. The measurand was the 4 terminal dc resistance at low power. The BIPM was the pilot laboratory, and the comparison forms part of the ongoing BIPM key comparisons BIPM.EM-K13.a (for 1 Ω) and BIPM.EM-K13b (for 10 kΩ).
The results from the CEM and the BIPM were found to be in good agreement, with a difference D smaller than the relative expanded uncertainty U
c (95% confidence, k = 2) giving D = 0.056 × 10-6, U
c = 0.106 × 10-6 for 1 Ω and D = 0.020 × 10-6, U
c = 0.068 × 10-6 for 10 kΩ.
To reach the main text of this paper, click on Final Report. Note that this text is that which appears in Appendix B of the BIPM key comparison database https://www.bipm.org/kcdb/.
The final report has been peer-reviewed and approved for publication by the CCEM, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).
Bilateral comparison of 1 Ω and 10 kΩ standards (ongoing BIPM key comparisons BIPM.EM-K13.a and 13.b) between INRIM (Italy) and the BIPM
Authors: Rolland B , Stock M , Gournay P , Capra P P , Galliana F 
Published: July 2023

Main text
This report gives the result of a bilateral comparison of resistance between INRIM (Italy) and the BIPM carried out from October 2022 to February 2023. Two 1 Ω and two 10 kΩ travelling standards belonging to the BIPM were used. The comparison was carried out with an 'A-B-A' pattern of measurements; the standards were measured first at the BIPM for a period of about one month, then for a period of about one month and a half at INRIM, and finally again at the BIPM. The measurand was the 4 terminal dc resistance at low power. The BIPM was the pilot laboratory, and the comparison forms part of the ongoing BIPM key comparisons BIPM.EM-K13.a (for 1 Ω) and BIPM.EM-K13b (for 10 kΩ).
The results from INRIM and the BIPM were found to be in good agreement, with a difference D smaller than the relative expanded uncertainty U
c (95% confidence, k = 2) giving D = -0.074 × 10-6, U
c = 0.134 × 10-6 for 1 Ω and D = -0.045 × 10-6, U
c = 0.174 × 10-6 for 10 kΩ.
To reach the main text of this paper, click on Final Report. Note that this text is that which appears in Appendix B of the BIPM key comparison database https://www.bipm.org/kcdb/.
The final report has been peer-reviewed and approved for publication by the CCEM, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).
Theoretical investigation of electronic, mechanical, piezoelectric and thermodynamic properties of half-heusler LiBeAsxSb1-xalloys
Authors: Benyettou S , Saib S , Bouarissa N , Thatribud A 
Published: July 2023

AbstractThis work is an investigation of the band structure and related properties ofα-LiBeAsxSb1-xhalf-Heusler alloys. The computations were performed with the help of density functional theory, using the alchemical mixing approximation that ABINIT code offers. In addition, several thermodynamic quantities were examined and discussed. Our obtained results correspond to previous data. The investigated alloy system was found to be an indirect (Γ→X) semiconductor for all alloy contents x, ranging from zero to one. The current findings show that for an appropriate choice of alloy content and temperature,α-LiBeAsxSb1-xmay provide other opportunities for advancing new physical properties that can be applicable to novel electronic devices.
Thermodynamics and microstructures of Euler–Heisenberg black hole in a cavity
Authors: Yu Qin , Xu Qi , Tao Jun 
Published: July 2023

Abstract
Euler–Heisenberg black holes with quantum electrodynamics (QED) correction are embraced by a cavity in this paper, which serves as a boundary of the black hole spacetime and contributes to the equilibrium of the system. We explore the thermodynamic properties of the black hole, including the phase transitions and phase structures. The small/large black hole phase transition occurs for a negative QED parameter, while the reentrant phase transition can be observed for a small positive QED parameter. Then the thermodynamic geometry is investigated to diagnose microscopic interactions of black hole thermodynamic systems. For the reentrant phase transition, the small black holes are dominated by repulsion for the first-order coexistence curve, while the interaction between the small black hole molecules could be attractive or repulsive for the small/large black hole phase transition.
A Pre-explosion Effervescent Zone for the Circumstellar Material in SN 2023ixf
Authors: Soker Noam 
Published: July 2023

Abstract
I present the effervescent zone model to account for the compact dense circumstellar material (CSM) around the progenitor of the core collapse supernova (CCSN) SN 2023ixf. The effervescent zone is composed of bound dense clumps that are lifted by stellar pulsation and envelope convection to distances of ≈tens × au, and then fall back. The dense clumps provide most of the compact CSM mass and exist alongside the regular (escaping) wind. I crudely estimate that for a compact CSM within R
CSM ≈ 30 au that contains M
CSM ≈ 0.01 M
⊙, the density of each clump is k

b
≳ 3000 times the density of the regular wind at the same radius and that the total volume filling factor of the clumps is several percent. The clumps might cover only a small fraction of the CCSN photosphere in the first days post-explosion, accounting for the lack of strong narrow absorption lines. The long-lived effervescent zone is compatible with no evidence for outbursts in the years prior to the SN 2023ixf explosion and the large-amplitude pulsations of its progenitor, and it is an alternative to the CSM scenario of several-years-long high mass loss rate wind.
Thrust generation and propulsive efficiency in dolphin-like swimming propulsion
Authors: Guo Jiacheng , Zhang Wei , Han Pan , Fish Frank E , Dong Haibo 
Published: July 2023

Abstract
Given growing interest in emulating dolphin morphology and kinematics to design high-performance underwater vehicles, the current research effort is dedicated to studying the hydrodynamics of dolphin-like oscillatory kinematics in forward propulsion. A computational fluid dynamics method is used. A realistic three-dimentional surface model of a dolphin is made with swimming kinematics reconstructed from video recording. The oscillation of the dolphin is found to enhance the attachment of the boundary layer to the posterior body, which then leads to body drag reduction. The flapping motion of the flukes is found to generate high thrust forces in both the downstroke and the upstroke, during which vortex rings are shed to produce strong thrust jets. The downstroke jets are found to be on average stronger than the upstroke jet, which then leads to net positive lift production. The flexion of the peduncle and flukes is found to be a crucial feature of dolphin-like swimming kinematics. Dolphin-inspired swimming kinematics were created by varying the flexion angle of the peduncle and flukes, which then resulted in significant performance variation. The thrust benefits and propulsive efficiency benefits are associated with a slight decrease and slight increase of the flexion of the peduncle and flukes, respectively.
Improved quantification of cover crop biomass and ecosystem services through remote sensing-based model–data fusion
Authors: Ye Lexuan , Guan Kaiyu , Qin Ziqi , Wang Sheng , Zhou Wang , Peng Bin , Grant Robert , Tang Jinyun , Hu Tongxi , Jin Zhenong , Schaefer Dan 
Published: July 2023

Abstract
Cover crops have long been seen as an effective management practice to increase soil organic carbon (SOC) and reduce nitrogen (N) leaching. However, there are large uncertainties in quantifying these ecosystem services using either observation (e.g. field measurement, remote sensing data) or process-based modeling. In this study, we developed and implemented a model–data fusion (MDF) framework to improve the quantification of cover crop benefits in SOC accrual and N retention in central Illinois by integrating process-based modeling and remotely-sensed observations. Specifically, we first constrained and validated the process-based agroecosystem model, ecosys, using observations of cover crop aboveground biomass derived from satellite-based spectral signals, which is highly consistent with field measurements. Then, we compared the simulated cover crop benefits in SOC accrual and N leaching reduction with and without the constraints of remotely-sensed cover crop aboveground biomass. When benchmarked with remote sensing-based observations, the constrained simulations all show significant improvements in quantifying cover crop aboveground biomass C compared with the unconstrained ones, with R
2 increasing from 0.60 to 0.87, and root mean square error (RMSE) and absolute bias decreasing by 64% and 97%, respectively. On all study sites, the constrained simulations of aboveground biomass C and N at termination are 29% and 35% lower than the unconstrained ones on average. Correspondingly, the averages of simulated SOC accrual and N retention net benefits are 31% and 23% lower than the unconstrained simulations, respectively. Our results show that the MDF framework with remotely-sensed biomass constraints effectively reduced the uncertainties in cover crop biomass simulations, which further constrained the quantification of cover crop-induced ecosystem services in increasing SOC and reducing N leaching.
Study on three-point-bending fatigue properties of Cu45Zr45Ag7Al3 amorphous alloy
Authors: Zhang L K , Chen D , Ye C G , Zhu L C , Zhang Y 
Published: July 2023

Abstract
In this article, Cu45Zr45Ag7Al3 amorphous alloys were prepared by copper mold suction casting method and its three-point-bending fatigue performance were researched. The structural characteristics of the alloy were analyzed using x-ray diffraction (XRD), and the fatigue fracture morphology was analyzed using scanning electron microscopy (SEM). The results indicate that the surface morphology of the three-point-bending fatigue fracture mainly includes three regions: the fatigue crack initiation region, the steady-state crack propagation region with typical fatigue stripes and the final rapidly fracture region. The fatigue crack source is micropores ranging in size from 30 to 50 μm, where numerous shear bands formed. And the fatigue limit of amorphous alloys is 410MPa, which is higher than the four-point-bending fatigue limit.
Skin lesion image segmentation based on lightweight multi-scale U-shaped network
Authors: Zhou Pengfei , Liu Xuefeng , Xiong Jichuan 
Published: July 2023

Abstract
UNet, and more recently medical image segmentation methods, utilize many parameters and computational quantities to achieve higher performance. However, due to the increasing demand for real-time medical image segmentation tasks, it is important to trade between accuracy rates and computational complexity. To this end, we propose a lightweight multi-scale U-shaped network (LMUNet), a multi-scale inverted residual and an asymmetric atrous spatial pyramid pooling-based network for skin lesion image segmentation. We test LMUNet on multiple medical image segmentation datasets, which show that it reduces the number of parameters by 67X and decreases the computational complexity by 48X while obtaining better performance over the partial lightweight networks.
Extended functionalities of paper-based analytical devices using hydrogels for biomedical applications
Authors: Mahardika Ignasia Handipta , Kin Sarath , Kwon Oh-Sun , Shin Kwanwoo 
Published: July 2023

Abstract
Paper-based analytical devices are a strong candidate for development due to the global need for accurate, easy-to-use, and cost-effective tools. Paper offers potential as a substrate for biomedical diagnostic devices, but on its own it is limited in versatility. By combining paper with hydrogel, researchers are able to improve automation, sensitivity, affordability, flexibility, and speed. Hydrogel, a highly biocompatible material, enhances fluid flow control and the biocompatibility of paper for functional interaction with biomolecules. Hydrogel-coated paper has been utilized for various applications, including separation and detection, microfluidics, and cell culture. Here we summarize the paper-based analytical tools with hydrogel incorporated into the paper substrate for biomedical purposes. The use of hydrogel-coated paper offers new opportunities for advanced analytical tools with improved sensitivity and functionality.
Machine-learning based characteristic estimation method in printed circuit board production lines
Authors: Tsai Mu-Lin , Qiu Rong-Qing , Wu Kuan-Yi , Hsu Tzu-Hsuan , Li Ming-Huang , Lo Cheng-Yao 
Published: July 2023

Abstract
In this study, software and hardware that supported automatic optical inspection (AOI) for printed circuit board production line was proposed and demonstrated. The proposed method showed an effective solution that predicts off-line electromagnetic (EM) characteristic of manufactured components through in-line pattern integrity. A spiral antenna that represented complex patterns was used as the evaluation target with imitated production variations. Numerical evaluation on EM properties, batch fabrication, hardware setup and optimization, algorithm and graphical user interface development, machine learning and artificial intelligence modeling, and data verification and analysis were thoroughly conducted in this study. Results indicated that when the antenna showed pattern distortion, its passive capacitance, active intensity, and active frequency increased, decreased, and decreased, respectively. These results proved that the developed system and method overcame the inability of in-line EM measurement in conventional setup. The results also showed high estimation accuracy that was not yet achieved in the past. Compared to existing or similar AOI ideas, the proposed method supports analyses on complex pattern, provides solutions on target design, and efficient algorithm generation. This work also proved active and passive EM signals with evidences, and exhibited outstanding confidence levels for characteristic estimations. The proposed system and method indicated their potential in smart manufacturing.
Voxelized scomber japonicus phantom and its application for internal dose evaluation by Monte Carlo calculations
Authors: Gong Chunhui , Dao Riao , Guo Chang , Zhang Yaqin , Wang Peng , Cao Pengtao , Li Qiang , Yang Yi 
Published: July 2023

Abstract
This study developed a voxelized scomber japonicus phantom through CT scanning images for the purpose of radiation protection in the environment, which gives a realistic description of the scomber japonicus’s anatomy. The absorbed fraction (AF) values of the voxelized scomber japonicus phantom were calculated for photons and electrons in the energies of 0.01, 0.02, 0.03, 0.04, 0.05, 0.1, 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0 and 5.0 MeV using Monte Carlo toolkit Geant4. Furthermore, the S-factor values for four radionuclides (134Cs, 137Cs, 131I and 90Sr) in the organs/tissues were evaluated using the monoenergetic AF values based on the radioisotope decay data, and compared with that obtained directly through whole emission spectra simulation. The voxelized scomber japonicus phantom would be a good candidate for dosimetry in non-human biota for the environmental dosimetry, and the built database of AF values can be used for dose calculations of any radioactive contaminations.