bluuebunny/crossref_metadata_2025_split huggingface dataset:
Metabolic reprogramming and membrane glycan remodeling as potential drivers of zebrafish heart regeneration
Authors: Spelat Renza , Ferro Federico , Contessotto Paolo , Aljaabary Amal , Martin-Saldaña Sergio , Jin Chunsheng , Karlsson Niclas G. , Grealy Maura , Hilscher Markus M. , Magni Fulvio , Chinello Clizia , Kilcoyne Michelle , Pandit Abhay 
Published: December 2022

AbstractThe ability of the zebrafish heart to regenerate following injury makes it a valuable model to deduce why this capability in mammals is limited to early neonatal stages. Although metabolic reprogramming and glycosylation remodeling have emerged as key aspects in many biological processes, how they may trigger a cardiac regenerative response in zebrafish is still a crucial question. Here, by using an up-to-date panel of transcriptomic, proteomic and glycomic approaches, we identify a metabolic switch from mitochondrial oxidative phosphorylation to glycolysis associated with membrane glycosylation remodeling during heart regeneration. Importantly, we establish the N- and O-linked glycan structural repertoire of the regenerating zebrafish heart, and link alterations in both sialylation and high mannose structures across the phases of regeneration. Our results show that metabolic reprogramming and glycan structural remodeling are potential drivers of tissue regeneration after cardiac injury, providing the biological rationale to develop novel therapeutics to elicit heart regeneration in mammals.
Multivariate effects of pH, salt, and Zn2+ ions on Aβ40 fibrillation
Authors: Wang Hongzhi , Wu Jinming , Sternke-Hoffmann Rebecca , Zheng Wenwei , Mörman Cecilia , Luo Jinghui 
Published: December 2022

AbstractAmyloid-β (Aβ) peptide aggregation plays a central role in the progress of Alzheimer’s disease (AD), of which Aβ-deposited extracellular amyloid plaques are a major hallmark. The brain micro-environmental variation in AD patients, like local acidification, increased ionic strength, or changed metal ion levels, cooperatively modulates the aggregation of the Aβ peptides. Here, we investigate the multivariate effects of varied pH, ionic strength and Zn2+on Aβ40fibrillation kinetics. Our results reveal that Aβ fibrillation kinetics are strongly affected by pH and ionic strength suggesting the importance of electrostatic interactions in regulating Aβ40fibrillation. More interestingly, the presence of Zn2+ions can further alter or even reserve the role of pH and ionic strength on the amyloid fibril kinetics, suggesting the importance of amino acids like Histidine that can interact with Zn2+ions. Both pH and ionic strength regulate the secondary nucleation processes, however regardless of pH and Zn2+ions, ionic strength can also modulate the morphology of Aβ40aggregates. These multivariate effects in bulk solution provide insights into the correlation of pH-, ionic strength- or Zn2+ions changes with amyloid deposits in AD brain and will deepen our understanding of the molecular pathology in the local brain microenvironment.
Hall-Bulk photovoltaic effect in BiFeO3/SrTiO3 at low temperatures
Authors: Zhang Hang-Bo , Alexe Marin 
Published: December 2022

AbstractThe bulk photovoltaic effect is considered promising for the next generation of solar cells as it could exceed the Shockley-Queisser limit. Studies have shown many materials have the bulk photovoltaic effect, however, the inner properties such as carrier mobility, relaxation time, etc., have been barely reported, largely hindering further understanding and utilization of the bulk photovoltaic effect. In this paper, we employ a Hall effect to study the transport properties of the bulk photovoltaic effect in a BiFeO3/SrTiO3 heterostructure. We interpret the magnetic field-dependent bulk photovoltaic currents using the fundamental Lorentz force law acting on photocarriers. A carrier transport with ~3 ps relaxation time, a mobility of $$3.3\times {10}^{3}\,{{{{{{\rm{cm}}}}}}}^{2}{{{{{{\rm{V}}}}}}}^{-1}{{{{{{\rm{s}}}}}}}^{-1}$$
3.3
×

10

3

cm

2

V

−
1

s

−
1

for the non-thermalised carrier and a mean free path larger than 50 nm are revealed. This is in good agreement with the ballistic transport mechanism. This work provides a generic approach to acquiring the basic characteristics of the bulk photovoltaic effect.
Eruption chronology of the December 2021 to January 2022 Hunga Tonga-Hunga Ha’apai eruption sequence
Authors: Gupta Ashok Kumar , Bennartz Ralf , Fauria Kristen E. , Mittal Tushar 
Published: December 2022

AbstractThe 15 January 2022 eruption of Hunga Tonga-Hunga Ha’apai, and the preceding eruptions on 19 December 2021 and 13 January 2022, were remarkable, partly because the eruptions generated extensive umbrella clouds, regions where the volcanic clouds spread laterally. Here we use satellite remote sensing to evaluate the umbrella cloud tops’ heights, longevities, water contents, and volumetric flow rates. We identified two umbrella clouds at distinct elevations on 15 January 2022. Specifically, after 05:30 UTC, the strong westward propagation of an upper umbrella cloud at 31 km ± 3 km enabled the visibility of the lower umbrella cloud at 17 km ± 2 km. The satellite-derived volumetric flow rate for 15 January 2022 was ~5.0 × 1011 m3 s−1, nearly two orders of magnitude higher than the volumetric flow rates estimated for the 19 December 2021 and 13 January 2022 eruptions. Finally, we found that the umbrellas on all three dates were ice-rich.
Organocatalytic Synthesis of γ-Amino Acid Precursors via Masked Acetaldehyde under Micellar Catalysis
Authors: Casacchia Maria Edith , Giorgianni Giuliana , Giansanti Luisa , Carlone Armando , Pesciaioli Fabio , Allegritti Elena 
Published: December 2022

AbstractThe development of micellar catalysis offers a sustainable alternative to organic solvents, and represents an environmental milestone in organic synthesis. Here, the first Michael addition of masked acetaldehyde under neutral, cationic and anionic micellar catalysis is reported, affording the products in high yields and enantiomeric excess, despite the use of water as solvent.
A gamma ray spectrometer with Compton suppression on the HL-2A tokamak
Authors: Zhang Y. P. , Zhang J. , Cheng S. K. , Zhu J. J. , Isobe M. , Zhang P. F. , Yuan G. L. , Zhan X. W. , Zhu Y. X. , Liu Yi , Shi Z. B. , Zhong W. L. , Xu M. 
Published: December 2022

A new broad-energy, high-resolution gamma ray spectrometer (GRS) with Compton suppression function has been developed recently in the HL-2A tokamak to obtain the gamma ray information in the energy range of 0.1–10 MeV. This is the first time to develop an anti-Compton GRS for a magnetic confinement fusion device. The anticoincidence detector consists of a large-volume high purity germanium (HPGe) crystal (Φ63 × 63 mm2) as the primary detector and eight trapezoidal bismuth germinate (BGO) scintillators (trapezoid crystal with 30 mm thickness) as the secondary detector. The anti-coincidence data processing is implemented by a digital-based data acquisition system with fast digitization and software signal processing technology. Using radioisotope gamma ray sources and Monte Carlo N-Particle code, the energy and efficiency of the spectrometer have been calibrated and quantitatively tested. The Compton continuum suppression factor reaches 4.2, and the energy resolution (Full Width at Half Maximum) of the 1.332 MeV full energy peak for 60Co is 2.1 keV. Measurements of gamma ray spectra with Compton suppression using the spectrometer have been successfully performed during HL-2A discharges with different conditions. The performance of the spectrometer and the first experimental results are presented in this paper.
Effect of Zn2+ doping on thermal, structural, morphological, functional group, and electrochemical properties of layered LiNi0.8Co0.1Mn0.1O2 cathode material
Authors: Parajuli D. , Taddesse Paulos , Murali N. , Veeraiah V. , Samatha K. 
Published: December 2022

The sol–gel method was used to synthesize Zn2+ doped LiNi0.8−xZnxCo0.1Mn0.1O2 (0 ≤ x ≤ 0.05) cathode materials with crystallite sizes ranging from 20.36 to 56.25 nm. The thermal stability of all cathodes were characterized by using thermogravimetric analysis (TGA) and quantity of heat needed is calculated by differential thermal analysis (DTA). Their structural, morphological and functional group analysis by XRD, FE-SEM, and FT-IR spectroscopy respectively. The electrochemical properties of two selected cathodes were also investigated via constant voltage, galvanostatic charge/discharge testing, and electrochemical impedance spectroscopy. The TGA/DTA analysis identified the reaction, weight loss, and phase transformation regions of the precursors. The XRD analysis revealed that all the synthesized cathodes possessed a rhombohedra-hexagonal system with a layered crystalline phase (R3̄m space group). The formation of layered-type structures in all cathodes was also revealed by FT-IR analysis. The content of Zn2+ ions in LiNi0.8−xZnxCo0.1Mn0.1O2 had a significant impact on the structural parameters, such as lattice constants, cell volume, and crystallite size of LiNi0.8Co0.1Mn0.1O2. The level of cation mixing and layered structure of all samples were found to be 1.22–1.38 and 4.9827–5.0195, respectively, indicating that all samples possessed minimal cation mixing and a well-defined layered structure. Such behaviors are important for obtaining improved cyclic performance from these kinds of cathode materials. Agglomerated and porous structure morphology with a grain size from 200 to 320 nm was observed via FE-SEM. The initial discharge capabilities for the LiNi0.8Co0.1Mn0.1O2 and LiNi0.77Zn0.03Co0.1Mn0.1O2 cathodes were found to be 214.84 and 233.57 mAh g−1, respectively, at a 0.1 C current rate between 3.0 and 4.6 V. This revealed that the discharge capacity of the pristine LiNi0.8Co0.1Mn0.1O2 cathode was significantly increased by doping Zn2+ with an x = 0.03 content, which is higher than the previously reported LiNi0.33Co0.33Mn0.33O2 cathode.
Numerical investigation of the wake transition and aerodynamic efficiency of the two-dimensional propulsive wing
Authors: Lu Jiaxin , Lu Yang , Ma Jinchao , Wang Junjie 
Published: December 2022

The propulsive wing is a new concept wing of automatic propulsion with high lift coefficients and has great application value in plant protection and forest fire control. The propulsive wing wake is a reverse Bénard–von Kármán (RBvK) vortex street, which is considered a thrust-generating wake. The wake structure will change greatly at high angles of attack and lead to changes in the aerodynamic performance of the propulsive wing. To explore the optimal working range and the wake characteristics of the propulsive wing, the wake transition and aerodynamic efficiency of the propulsive wing in cruise are numerically studied. The results indicate that there are three types of structures for the propulsive wing wake. When α ≤ 20°, the wake transits from the RBvK vortex street to the critical state with the increase in cruise speed, and the Strouhal number approaches 1.9. The critical wake region decreases gradually with the increase in the angle of attack. The maximum propulsive efficiency is 0.17 at a cruise speed of 15 m/s. When α &gt; 20°, the wake transits directly from the RBvK vortex street to the Bénard–von Kármán (BvK) vortex street and the Strouhal number approaches 0.34. The maximum propulsive efficiency appears at a cruise speed of 10 m/s, which is close to the BvK vortex street boundary. Before entering the stall state, the lift efficiency of the propulsive wing increases with the increase in cruise speed and angle of attack, up to 3–5.
Tunable Schottky contact at the graphene/Janus SMoSiN2 interface for high-efficiency electronic devices
Authors: Nguyen Son-Tung , Nguyen Cuong Q , Sin Ang Yee , Phuc Huynh V , Hieu Nguyen N , Hiep Nguyen T , Hung Nguyen M , Phuong Le T T , Hieu Nguyen V , Nguyen Chuong V 
Published: December 2022

Abstract
The electrical contacts formed between the channel materials and the electrodes play a vital role in the design and fabrication of high-performance optoelectronic and nanoelectronic devices. In this work we propose combining metallic single-layer graphene (SLG) and a Janus SMoSiN2 semiconductor and investigate the electronic properties and contact types of the combined heterostructures (HTSs) using first-principles calculations. The effects of electric fields and interlayer coupling are also examined. The combined SLG/SMoSiN2 and SLG/N2SiMoS HTSs are both structurally and thermodynamically stable at equilibrium interlayer coupling. The combination between SLG and a Janus SMoSiN2 semiconductor generates a p-type or n-type Schottky contact, depending on the stacking configuration. The SLG/SMoSiN2 HTS generates a p-type Schottky contact while the SLG/N2SiMoS HTS forms an n-type one. Furthermore, applied electric field and strain can adjust the electronic features and contact types of the HTSs. An applied negative electric field and tensile strain lead to conversion from a p-type to an n-type Schottky contact in the SLG/SMoSiN2 stacking configuration, whereas a positive electric field and compressive strain give a transformation from an n-type to a p-type Schottky contact in the SLG/N2SiMoS stacking configuration. Our findings provide rational evidence for the fabrication and design of electrical and optical devices based on SLG/SMoSiN2 HTSs.
A parametric study of 3D PTV algorithms based on a two-view collimated imaging model
Authors: Wang Q , Zhu H J , Zhao C Y 
Published: December 2022

Abstract
Volumetric Lagrangian measurements of droplet or turbulent flow using particle tracking methods have attracted intensive attention recently. The performance of three-dimensional particle tracking velocimetry (3D PTV) is highly reliant on the algorithms. Most existing 3D PTV algorithms are developed for multi-view systems, which cannot be applied directly to two-view systems due to the insufficient geometry constraints. In the current study, three different 3D PTV algorithms applicable for two-view systems are investigated parametrically using synthetic data. The imaging model is established on a two-view collimated shadowgraph imaging setup, which features a high framing rate, large test volume and long depth focus. The performances of the three algorithms are tested under different image particle densities and displacement–spacing ratios. The correctness of 3D reconstruction and tracking, as well as the number of ghost particles, are obtained and compared comprehensively. The results indicate that significant improvement is achieved through the dedicated designed algorithms. The comparative study reveals the potential of each algorithm with extremely limited geometry constraints in two-view systems, which may serve as guidance for choosing appropriate algorithms under different test conditions.
A reversed form of public goods game: equivalence and difference
Authors: Wang Chaoqian , Szolnoki Attila 
Published: December 2022

Abstract
According to the public goods game (PGG) protocol, participants decide freely whether they want to contribute to a common pool or not, but the resulting benefit is distributed equally. A conceptually similar dilemma situation may emerge when participants consider if they claim a common resource but the related cost is covered equally by all group members. The latter establishes a reversed form of the original public goods game (R-PGG). In this work, we show that R-PGG is equivalent to PGG in several circumstances, starting from the traditional analysis, via the evolutionary approach in unstructured populations, to Monte Carlo simulations in structured populations. However, there are also cases when the behavior of R-PGG could be surprisingly different from the outcome of PGG. When the key parameters are heterogeneous, for instance, the results of PGG and R-PGG could be diverse even if we apply the same amplitudes of heterogeneity. We find that the heterogeneity in R-PGG generally impedes cooperation, while the opposite is observed for PGG. These diverse system reactions can be understood if we follow how payoff functions change when introducing heterogeneity in the parameter space. This analysis also reveals the distinct roles of cooperator and defector strategies in the mentioned games. Our observations may hopefully stimulate further research to check the potential differences between PGG and R-PGG due to the alternative complexity of conditions.
The evolution of topological singularities between real- and complex-frequency domains and the engineering of photonic bands for Hermitian and non-Hermitian photonic crystals
Authors: Liu Yufu , Xiong Langlang , Jiang Xunya 
Published: December 2022

Abstract
Singularity annihilation, generation, and evolving (SAGE) lead to the topological phase transition (TPT) in electronic, photonic and acoustic systems. Traditionally the singularity study of Hermitian systems is only focused on the real frequency domain. In this work, we systematically investigate the complicated SAGE in complex frequency domain (CFD) for one-dimensional (1D) Hermitian and non-Hermitian systems and a more general picture is revealed. First, we study the abnormal phenomenon that one singularity evolves from the first band to the zero frequency and then into the pure imaginary frequency for Hermitian 1D photonic crystals (PhCs). New results, e.g. the general condition for the singularity at zero frequency, the stricter definition of the Zak phase of first band and the phenomenon that more singularities are pushed from first band into the imaginary frequency, are found. Second, a general evolving picture of SAGE in CFD for Hermitian systems is constructed. Complicated processes of singularities in CFD are observed, such as the SAGE not only on the real frequency axis but also on the imaginary frequency axis, the closed evolving loops for singularities which connected imaginary-frequency axis and real-frequency axis. Even more, when the PhCs is degenerated since the permittivity on one kind layer becomes same as the neighbor layer, the singularities on the integral reduced frequency will move to infinite far away and come back with half-integral shift. Third, when gain or absorption is introduced in, the SAGE on a tilted axis is also observed. The phenomenon of one singularity moving back to real frequency axis for non-Hermitian systems means that the stable states with resonance could be realized. Such complicated and general singularity evolving picture in CFD opens a new window for the studies of TPT and the rich new topological phenomena could be expected. Besides the theoretical importance, the evolution of singularity can also be used to engineer the band properties of PhCs. Some novel applications, such as the super-broadband sub-wavelength high-transmission layered structure and the broadband deep-sub-wavelength absorber, are proposed.
Complementary relations between l

p
norm coherence and mixedness of quantum states
Authors: Sun Liu , Tao Yuan-Hong , Fei Shao-Ming 
Published: December 2022

Abstract
As an important resource, quantum coherence is one of the fundamental features of the quantum world. It is essential to understand the relationship between the resource and the mixedness of an open quantum system. We present complementary relations between the l

p

(
1
⩽
p
<
2
)

norm of coherence and the normalized linear entropy mixedness. We then study the geometry of the complementary relations for Bell-diagonal states, as well as the evolutions of Werner and isotropic states under bit flip, phase flip, bit-phase flip, depolarizing, generalized amplitude damping and amplitude damping channels. Our results include some existing conclusions as special cases.
Independent bilateral-eye stimulation for gaze pattern recognition based on steady-state pupil light reflex
Authors: Sato Ariki , Nakatani Shintaro 
Published: December 2022

Abstract

Objective: recently, pupil oscillations synchronized with steady visual stimuli were used as input for an interface. The proposed system, inspired by a brain-computer interface based on steady-state visual evoked potentials, does not require contact with the participant. However, the pupil oscillation mechanism limits the stimulus frequency to 2.5 Hz or less, making it hard to enhance the information transfer rate (ITR). Approach: here, we compared multiple conditions for stimulation to increase the ITR of the pupil vibration-based interface, which were called monocular-single, monocular-superposed, and binocular-independent conditions. The binocular-independent condition stimulates each eye at different frequencies respectively and mixes them by using the visual stereoscopic perception of users. The monocular-superposed condition stimulates both eyes by a mixed signal of two different frequencies. We selected the shape of the stimulation signal, evaluated the amount of spectral leakage in the monocular-superposed and binocular-independent conditions, and compared the power spectrum density at the stimulation frequency. Moreover, 5, 10, and 15 patterns of stimuli were classified in each condition. Main results: a square wave, which causes an efficient pupil response, was used as the stimulus. Spectral leakage at the beat frequency was higher in the monocular-superposed condition than in the binocular-independent one. The power spectral density of stimulus frequencies was greatest in the monocular-single condition. Finally, we could classify the 15-stimulus pattern, with ITRs of 14.4 (binocular-independent, using five frequencies), 14.5 (monocular-superimposed, using five frequencies), and 23.7 bits min−1 (monocular-single, using 15 frequencies). There were no significant differences for the binocular-independent and monocular-superposed conditions. Significance: this paper shows a way to increase the number of stimuli that can be simultaneously displayed without decreasing ITR, even when only a small number of frequencies are available. This could lead to the provision of an interface based on pupil oscillation to a wider range of users.
An Optimization Scheme of Water Resources Allocation Based on the Particle Swarm Algorithm
Authors: Yin Weiqi , Li Xiaojie , Wang Xiaolong , Wang Luping , Liu Dingkun , Zhang Huanyao 
Published: December 2022

Abstract
Climate change will exacerbate water scarcity, as warmer temperatures will increase evaporation from soil and water surfaces, raising crop water requirements, and consumers’ demand for energy will increase at higher temperatures, with a concomitant increase in demand for cooling water. Therefore, water scarcity has evolved into a global issue, most notably in the Colorado Basin. As the climate changes, the future of the Colorado River becomes even more tragic. The river’s water levels are dropping year after year, while the water needs of the surrounding urban development are increasing, in what seems to be an endless cycle. At the same time, the entire southwestern United States may be in an unprecedented resource crisis as a result. Therefore, we have modeled water supply, demand, and allocation scenarios and constructed a water allocation model using the Colorado Basin water allocation as an example, combining Lake Mead, Lake Powell, and the agricultural, industrial, and residential demand for water and electricity in five states. To better achieve the optimal balance between the economy and the environment, we set three objectives: economic efficiency, regional surplus water, and total regional electricity generation, and solved the problem using a particle swarm algorithm. By solving the Colorado Basin water allocation problem, we explore a feasible solution with high generalization capability that can be applied in the future to scenarios of rational water allocation in multiple regions around the world.