Article
Astronomy & Astrophysics
Robert B. Mann, Behnam Pourhassan, Prabir Rudra
Summary: This paper explores the thermodynamic properties of a thin black ring in AdS space-time, finding that its angular momentum to mass ratio has an upper limit relative to the cosmological radius. The research indicates that the small black ring is thermodynamically stable due to the effects introduced by thermal fluctuations, but less stable than thermal AdS. Thermodynamic analysis shows no critical point, but rather a Hawking-Page transition to radiation, confirmed by Gibbs free energy analysis.
Article
Astronomy & Astrophysics
Simone Benella, Mirko Stumpo, Giuseppe Consolini, Tommaso Alberti, Vincenzo Carbone, Monica Laurenza
Summary: This study investigates the near-Sun magnetic field fluctuations at subproton scales by analyzing the Markov property of fluctuations and recovering basic information about energy transfer across different scales. The results show that fluctuations in the subproton range are well described as a Markovian process, with the shape of Probability Density Functions (PDFs) being globally scale-invariant.
ASTROPHYSICAL JOURNAL LETTERS
(2022)
Article
Physics, Particles & Fields
Tran Huu Phat, Toan T. Nguyen
Summary: The study focuses on the significant impacts of topological charge on holographic phase transitions and conductivity. It is found that the presence of finite topological charge favors the process of condensation, leading to a mechanism for changing the order of phase transitions at the boundary. The frequency dependent conductivity exhibits an energy gap when the phase transition is second order, which is either reduced or lost when the phase transition becomes first order.
EUROPEAN PHYSICAL JOURNAL C
(2021)
Article
Astronomy & Astrophysics
E. Mestre, E. de Ona Wilhelmi, D. Khangulyan, R. Zanin, F. Acero, D. F. Torres
Summary: Since 2009, multiple rapid and bright flares have been observed from the Crab nebula at high energies (>100 MeV), with different hypotheses put forward to explain the phenomenon. By simulating the spectral energy distribution of the Crab nebula under various parameters, particularly during the 2011 and 2013 flares, insights can be gained into the underlying emission mechanisms with the potential for detection using the Cherenkov Telescope Array (CTA).
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
(2021)
Article
Astronomy & Astrophysics
Selim C. Hotinli, Matthew C. Johnson
Summary: In this paper, we demonstrate the effectiveness of kSZ tomography technique based on cross-correlation between CMB temperature and 21-cm surveys in improving constraints on models of inhomogeneous reionization and providing information about large-scale modes.
Article
Astronomy & Astrophysics
E. Masciadri, A. Turchi, L. Fini
Summary: In this study, the authors demonstrate the use of the autoregressive method (AR) to provide forecasts of astroclimatic parameters on the Very Large Telescope (VLT). The AR method shows improved performance compared to standard forecasts and persistence prediction, and outperforms a random-forest machine-learning algorithm. The results are promising for providing real assistance to the service mode of VLT instrumentation.
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
(2023)
Article
Geochemistry & Geophysics
Dandan Wang, Yunhao Chen, Leiqiu Hu, James A. Voogt
Summary: This study compares MODIS-derived thermal anisotropy with airborne observations and assesses the factors controlling anisotropic features of LST at seasonal and diurnal scales. The study finds that the seasonally aggregated MODIS-derived anisotropy is closer to the instantaneous model-derived or airborne-measured anisotropy in the morning and afternoon.
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING
(2022)
Article
Environmental Sciences
Martha C. Anderson, Yang Yang, Jie Xue, Kyle R. Knipper, Yun Yang, Feng Gao, Chris R. Hain, William P. Kustas, Kerry Cawse-Nicholson, Glynn Hulley, Joshua B. Fisher, Joseph G. Alfieri, Tilden P. Meyers, John Prueger, Dennis D. Baldocchi, Camilo Rey-Sanchez
Summary: This study explores the combination of Landsat and ECOSTRESS imaging for high-resolution ET image timeseries, demonstrating the value of ECOSTRESS's higher temporal sampling and discussing challenges in using land-surface temperature for ET retrieval.
REMOTE SENSING OF ENVIRONMENT
(2021)
Article
Engineering, Civil
Georgia Papacharalampous, Hristos Tyralis, Yannis Markonis, Martin Hanel
Summary: In this study, a new methodological framework is proposed for exploring and comparing multi-scale analyses in a hydroclimatic context, in order to comprehensively understand the behaviors of geophysical processes and evaluate time series simulation models. By computing the feature values at different temporal resolutions and three hydroclimatic time series types, similarities and differences in the evolution patterns are identified. The computed features are also used for meaningful clustering of hydroclimatic time series, which allows for interpretation of hydroclimatic similarity at various temporal resolutions.
JOURNAL OF HYDROLOGY
(2023)
Article
Polymer Science
James L. Thomason, Jose L. Rudeiros-Fernandez
Summary: This paper investigates date palm and coir fibers as potential reinforcement for polypropylene composites, with a focus on the thermal and mechanical degradation. Lower processing temperatures are found to be more favorable for maintaining fiber performance, as thermal degradation can affect mechanical properties.
POLYMER DEGRADATION AND STABILITY
(2021)
Article
Polymer Science
Maria S. Pantelidou, Fabian A. Garcia Daza, Josep Bonet Avalos, Allan D. Mackie
Summary: The correlation function for the exit of poloxamer copolymers from micelles depends on the chain flexibility and exhibits four different regimes. Simulation results suggest that the logarithmic relaxation observed in the intermediate regime may arise from a degeneracy of energy states in the micelle core. A modified Eyring equation is proposed to reproduce the observed dynamic behavior. The universality observed in experimental results suggests an entropic origin of the short-time dynamic response of these systems rather than the polydispersity.
Article
Environmental Sciences
A. Asutosh, V. Vinoj, H. Wang, K. Landu, Jin-Ho Yoon
Summary: The effect of atmospheric aerosols on the Indian monsoon is a challenging research issue with societal relevance. Recent studies have shown that remote aerosols can impact the monsoon system, and this study reveals that regional carbonaceous aerosol emissions can significantly alter Indian summer monsoon rainfall. Interestingly, the effects of remote aerosols are larger and resemble each other compared to local emissions.
ENVIRONMENTAL RESEARCH
(2022)
Article
Chemistry, Physical
M. Falkowski, A. M. Strydom
Summary: An extended research on the ground state of polycrystalline compound Ce2Ir3Al9 was conducted using various experimental techniques and theoretical descriptions to reveal the differences in behavior and interactions, providing a deeper understanding of its physics.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Physics, Multidisciplinary
Giovanni Iacobello, Subharthi Chowdhuri, Luca Ridolfi, Lamberto Rondoni, Stefania Scarsoglio
Summary: Using a multiscale approach, this study finds a connection between high time irreversibility levels and coherent motions in wall-bounded turbulence. Time irreversibility is a characteristic feature of non-equilibrium phenomena such as turbulent flows, and its connection with coherent motions in wall turbulence has not been investigated before. The outcomes reveal a strong correlation between irreversibility levels and coherent structures in both turbulent channel and boundary layer flows.
COMMUNICATIONS PHYSICS
(2023)
Article
Physics, Multidisciplinary
Ryan M. McMullen, Michael C. Krygier, John R. Torczynski, Michael A. Gallis
Summary: This study compares the Navier-Stokes equations with molecular-gas-dynamics simulations and finds that the equations fail to describe the dissipation range of turbulent gas flows due to the neglect of thermal fluctuations. The research also reveals that the spectra in molecular-gas-dynamics simulations exhibit quadratic growth with wave number in the dissipation range, in contrast to the exponential decay in the Navier-Stokes spectra. Furthermore, the transition to quadratic growth occurs at length scales larger than the gas molecular mean free path.
PHYSICAL REVIEW LETTERS
(2022)
Article
Multidisciplinary Sciences
David H. Murray, Marcus Jahnel, Janelle Lauer, Mario J. Avellaneda, Nicolas Brouilly, Alice Cezanne, Hernan Morales-Navarrete, Enrico D. Perini, Charles Ferguson, Andrei N. Lupas, Yannis Kalaidzidis, Robert G. Parton, Stephan W. Grill, Marino Zerial
Article
Cell Biology
Amayra Hernandez-Vega, Marcus Braun, Lara Scharrel, Marcus Jahnel, Susanne Wegmann, Bradley T. Hyman, Simon Alberti, Stefan Diez, Anthony A. Hyman
Article
Nanoscience & Nanotechnology
Meiwen Cao, Wenjing Zhao, Lei Wang, Ruiheng Li, Haoning Gong, Yu Zhang, Hai Xu, Jian Ren Lu
ACS APPLIED MATERIALS & INTERFACES
(2018)
Article
Biochemistry & Molecular Biology
Jie Wang, Jeong-Mo Choi, Alex S. Holehouse, Hyun O. Lee, Xiaojie Zhang, Marcus Jahnel, Shovamayee Maharana, Regis Lemaitre, Andrei Pozniakovsky, David Drechsel, Ina Poser, Rohit V. Pappu, Simon Alberti, Anthony A. Hyman
Article
Chemistry, Multidisciplinary
Charles Smith, Jian R. Lu, Ian M. Tucker, David Grainger, Peixun Li, John R. P. Webster, Robert K. Thomas
Article
Multidisciplinary Sciences
Shovamayee Maharana, Jie Wang, Dimitrios K. Papadopoulos, Doris Richter, Andrey Pozniakovsky, Ina Poser, Marc Bickle, Sandra Rizk, Jordina Guillen-Boixet, Titus M. Franzmann, Marcus Jahnel, Lara Marrone, Young-Tae Chang, Jared Sterneckert, Pavel Tomancak, Anthony A. Hyman, Simon Alberti
Article
Multidisciplinary Sciences
Titus M. Franzmann, Marcus Jahnel, Andrei Pozniakovsky, Julia Mahamid, Alex S. Holehouse, Elisabeth Nuske, Doris Richter, Wolfgang Baumeister, Stephan W. Grill, Rohit V. Pappu, Anthony A. Hyman, Simon Alberti
Article
Chemistry, Multidisciplinary
Yurong Zhao, Wei Yang, Dong Wang, Jiqian Wang, Zongyi Li, Xuzhi Hu, Stephen King, Sarah Rogers, Jian R. Lu, Hai Xu
Article
Chemistry, Multidisciplinary
Henry Cox, Hai Xu, Thomas A. Waigh, Jian R. Lu
Article
Multidisciplinary Sciences
Meng Wang, Jiqian Wang, Peng Zhou, Jing Deng, Yurong Zhao, Yawei Sun, Wei Yang, Dong Wang, Zongyi Li, Xuzhi Hu, Stephen M. King, Sarah E. Rogers, Henry Cox, Thomas A. Waigh, Jun Yang, Jian Ren Lu, Hai Xu
NATURE COMMUNICATIONS
(2018)
Article
Multidisciplinary Sciences
Ruiheng Li, Pantelis Georgiades, Henry Cox, Sorasak Phanphak, Ian S. Roberts, Thomas A. Waigh, Jian R. Lu
SCIENTIFIC REPORTS
(2018)
Article
Biology
Edgar E. Boczek, Julius Fursch, Marie Laura Niedermeier, Louise Jawerth, Marcus Jahnel, Martine Ruer-Gruss, Kai-Michael Kammer, Peter Heid, Laura Mediani, Jie Wang, Xiao Yan, Andrej Pozniakovski, Ina Poser, Daniel Mateju, Lars Hubatsch, Serena Carra, Simon Alberti, Anthony A. Hyman, Florian Stengel
Summary: This study reveals that misfolding of the RNA recognition motif is a key driver of condensate aging, while the small heat shock protein HspB8 regulates condensate hardening via its domains, and alterations in these interactions may play a role in neurodegenerative diseases.
Article
Cell Biology
M. Sankaranarayanan, Ryan J. Emenecker, Elise L. Wilby, Marcus Jahnel, Irmela R. E. A. Trussina, Matt Wayland, Simon Alberti, Alex S. Holehouse, Timothy T. Weil
Summary: Ribonucleoprotein condensates can exhibit diverse physical states, with specific proteins, protein-protein interactions, and RNA regulating their properties. In this study, the physical properties of processing bodies (P bodies) in mature Drosophila oocytes were investigated, showing how the arrested state of P bodies supports mRNA storage and how egg activation modulates P body properties to release mRNA for translation in the early embryo. This work provides insight into how the physical states of condensates regulate cellular function in development.
DEVELOPMENTAL CELL
(2021)
Article
Chemistry, Multidisciplinary
Timothy J. Welsh, Georg Krainer, Jorge R. Espinosa, Jerelle A. Joseph, Akshay Sridhar, Marcus Jahnel, William E. Arter, Kadi L. Saar, Simon Alberti, Rosana Collepardo-Guevara, Tuomas P. J. Knowles
Summary: In this study, the impact of nanoscale forces on the stability of biomolecular condensates is investigated. It is found that condensates with higher surface charge have a lower propensity for fusion, highlighting the role of passive stabilization mechanisms in protecting biomolecular condensates against coalescence.
Article
Physics, Fluids & Plasmas
Judit Clopes, Jaeoh Shin, Marcus Jahnel, Stephan W. Grill, Vasily Zaburdaev
Summary: Recent research has shown that the EEA1 protein switches from a rigid to a flexible conformation upon binding a signaling protein, allowing it to generate a motor-like force to move vesicles. The binding-induced signal may propagate through the protein chain, leading to conformational changes.
Article
Chemistry, Physical
Yiping Yin, Zhe Wang, Hua Zou
Summary: This study presents a novel method for preparing dimpled polymer-silica nanocomposite particles using interfacial swelling-based seeded polymerization. The optimized conditions allow for a relatively high percentage of dimpled particles to be achieved.
Article
Chemistry, Physical
Brenden D. Hoehn, Elizabeth A. Kellstedt, Marc A. Hillmyer
Summary: Porous materials with nanometer-scale pores have important applications as nanoporous membranes. In this study, ABA triblock copolymers were used as precursors to produce nanoporous polymeric membranes (NPMs) in thin film form by degrading the end blocks. Polycyclooctene (PCOE) NPMs with tunable pore sizes were successfully prepared using solvent casting technique. Oxygen plasma etching was employed to improve the surface porosity and hydrophilicity of the membranes. This study provides a straightforward method to produce tough NPMs with high porosity and hydrophilic surface properties.
Article
Chemistry, Physical
Vladislav S. Petrovskii, Stepan I. Zholudev, Igor I. Potemkin
Summary: This article investigates the behavior of linear and ring polypeptide chains in aqueous solution and explores the properties of the complexes formed by these chains with oppositely charged surfactants. The results demonstrate that the complexes of linear supercharged unfolded polypeptides and the corresponding surfactants exhibit impressive adhesive properties.
Article
Chemistry, Physical
Merve Cevik, Serkan Dikici
Summary: Cardiovascular diseases are a leading cause of death globally, and vascular grafts are a promising treatment option. This study focuses on tissue-engineered vascular grafts (TEVGs) using decellularized parsley stems as a potential biomaterial. The decellularized parsley stems showed suitable properties for TEVGs, providing a suitable environment for human endothelial cells to form a pseudo endothelium. This study showcases the potential of using parsley stems for TEVGs.
Article
Chemistry, Physical
Gustavo A. Vasquez-Montoya, Tadej Emersic, Noe Atzin, Antonio Tavera-Vazquez, Ali Mozaffari, Rui Zhang, Orlando Guzman, Alexey Snezhko, Paul F. Nealey, Juan J. de Pablo
Summary: The optical properties of liquid crystals are typically controlled by electric fields. In this study, we investigate the effects of microfluidic flows and acoustic fields on the molecular orientation and optical response of nematic liquid crystals. We identify several previously unknown structures and explain them through calculations and simulations. These findings hold promise for the development of new systems combining sound, flow, and confinement.
Article
Chemistry, Physical
Xinjun Wu, Xin Guan, Shushu Chen, Jiangpeng Jia, Chongyi Chen, Jiawei Zhang, Chuanzhuang Zhao
Summary: This research presents a novel shape memory hydrogel with a remodelable permanent shape and programmable cold-induced shape recovery behavior. The hydrogel is prepared using specific treatment methods to achieve shape fixation by heating and shape recovery by cooling. Additionally, deformable devices can be obtained by assembling hydrogel blocks with different concentrations.
Article
Chemistry, Physical
Rebecca Hengsbach, Gerhard Fink, Ulrich Simon
Summary: This study examines the properties of DNA functionalized pNipmam microgels and pure pNipmam microgels at different concentrations of sodium chloride and in PBS solutions using temperature dependent H-1-NMR measurements. The results show that DNA modification affects the volume phase transition temperature and the addition of salt and PBS further enhances this effect.
Article
Chemistry, Physical
Ningyi Li, Junhong Li, Lijingting Qing, Shicheng Ma, Yao Li, Baohui Li
Summary: This paper investigates the self-assembly behavior of colloids with competing interactions under spherical confinement and finds that different ordered structures can be formed under different sized spherical confinements. Moreover, more perforated structures are formed in smaller spheres.