Article
Chemistry, Physical
Lidan Zhao, Tianqing Liu, Xiangqin Li, Qianqian Cui, Xin Wang, Kedong Song, Dan Ge
Summary: Our study revealed that after adsorption of BSA, the height of nanostructures decreased and the radius of nanocones increased, leading to weakened bactericidal performance. In contrast, HFN adsorption resulted in proteins being absorbed at different positions of nanostructures, impacting their bactericidal efficiency. Notably, the presence of HFN layer on the top of nanostructures significantly improved the bactericidal efficiency against Escherichia coli, potentially due to higher stress on cell membranes caused by nanocones.
APPLIED SURFACE SCIENCE
(2022)
Article
Engineering, Civil
Shuai Chen, Jun Zhong, Cai Li, Jing Liu, Wanfa Wang, Sen Xu, Si-Liang Li
Summary: The study investigated the behaviors and fluxes of dissolved inorganic carbon (DIC) and dissolved organic carbon (DOC) in the Min River under different hydrological conditions. It was found that DIC concentrations decreased with increasing runoff while DOC concentrations increased, indicating that hydrologic conditions are critical factors affecting the variations in dissolved organic carbon export.
JOURNAL OF HYDROLOGY
(2021)
Article
Computer Science, Interdisciplinary Applications
Ming Ding, Jing Ning, Xiuyan Liu, Runze Mi, Yan Cai
Summary: This study proposes an aerodynamics-based assessment method for quantitative functional evaluation of patients with tracheobronchial stenosis. By using computational fluid dynamics analysis on synthetic and patient-specific airway models, the effects of stenotic anatomy on aerodynamic parameters are investigated. The results show that tracheal stenosis significantly influences the resistance of peripheral bronchi, especially for patients with severe stenosis.
COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE
(2023)
Article
Multidisciplinary Sciences
Veleda A. P. Muller, Pietro Sternai, Christian Sue, Thibaud Simon-Labric, Pierre G. Valla
Summary: Orogens and volcanic arcs at continental plate margins are affected by climate, erosion, and tectonic processes. Research shows that erosion caused by climate can drive magma ascent and the migration of volcanic fronts along magmatic arcs. Numerical modeling also suggests that erosion can result in asymmetric crustal structures, affecting the direction of magma ascent.
SCIENTIFIC REPORTS
(2022)
Article
Chemistry, Physical
Justin Engstler, Nicolas Giovambattista
Summary: Water-mediated interactions play important roles in aqueous solutions, affecting processes such as protein folding and nanoparticle aggregation. This study investigates the impact of temperature and pressure on different types of interactions between graphene-based surfaces. The results show that hydrophobic, hydrophilic, and hybrid interactions are all sensitive to pressure, while only hydrophobic interactions are significantly affected by temperature variations. The findings have implications for understanding protein denaturation and biomolecular interactions, as well as for the design of water models for molecular and nanoparticle systems under different thermodynamic conditions.
JOURNAL OF CHEMICAL PHYSICS
(2022)
Article
Physics, Multidisciplinary
Tejinder P. Singh
Summary: This article introduces a pre-quantum, pre-spacetime theory that describes octonionic spacetime through matrix-valued Lagrangian dynamics. The theory offers the possibility of unifying the internal symmetries of the standard model with gravity and can predict the values of free parameters in the low-energy standard model.
EUROPEAN PHYSICAL JOURNAL PLUS
(2022)
Article
Mechanics
Jie Qi, Zheng Liang Yu, Guo Peng Liao, Zheng Yuan Luo, Bo Feng Bai
Summary: Nanoparticle surfactants formed by interactions between nanoparticles and complementary polymers have been proposed as excellent stabilizers for liquid droplets in substance encapsulation and delivery applications. This study found that adding carboxylated nanoparticles to the dispersed phase and amino-terminated polymers to the continuous phases significantly reduces droplet size while increasing production rate. The combined effect of nanoparticles and polymers is greater than the sum of their individual effects due to the reduction of oil-water interfacial tension by nanoparticle surfactants.
Article
Chemistry, Multidisciplinary
Damon G. K. Aboud, Anne-Marie Kietzig
Summary: This study investigates the influence of microstructure topography on the restitution coefficient, maximum spreading diameter, and contact time of oblique drop impacts on superhydrophobic surfaces. The restitution coefficient is found to be largely independent of microstructure topography, but governed by the normal Weber number. The maximum spreading diameter is related to an adhesion coefficient and influenced by microstructure roughness, while contact time is affected by impact velocity and microstructure characteristics.
Article
Geology
Bernhard Salcher, Gunther Prasicek, Sebastian Baumann, Florian Kober
Summary: Glaciers play a major role in shaping mountain topography, with their effectiveness and degree of erosion still being a topic of debate. In the European Central Alps, calculations of glacier occupation time have shown gradual topographic changes due to cirque erosion over time.
Article
Multidisciplinary Sciences
Sanae Oriyama
Summary: The aim of this study was to investigate the effect of different nap patterns on alertness and cognitive performance during a simulated night shift. Participants were divided into three groups: no-nap, one-nap (120 minutes), and two-nap (90 minutes and 30 minutes). Test results showed that shorter sleep latency after the 90-minute nap resulted in worse alertness. Prolonged total sleep time in the 120-minute and 30-minute nap groups led to increased fatigue and drowsiness upon awakening.
SCIENTIFIC REPORTS
(2023)
Article
Polymer Science
Mostafa Ahmadi, Sebastian Seiffert
Summary: Metal-ligand interactions play a crucial role in the development of biomimetic polymers, with the coordination geometry significantly impacting the macroscopic properties of materials. By studying different coordination geometry preferences, the structure and dynamics of metallo-supramolecular polymers can be effectively regulated.
Article
Ecology
Leigh W. Simmons, Soon Hwee Ng, Maxine Lovegrove
Summary: Evidence suggests that the environment experienced by fathers can influence the phenotype of offspring through ejaculate traits such as DNA methylation, small RNAs, and seminal fluid proteins. The paternal diet can impact the viability of sperm produced by sons, but does not affect the expression of seminal fluid protein genes in sons or the fecundity in daughters. These findings highlight the importance of non-genetic components in ejaculate quality determined by the paternal environment for the evolutionary maintenance of variation in male fitness.
FUNCTIONAL ECOLOGY
(2022)
Article
Astronomy & Astrophysics
Hannah C. M. Susorney, Nicholas A. Teanby
Summary: The internal density of C-type rubble-pile asteroids Bennu and Ryugu was found to be lower than that of the previously explored S-type rubble pile Itokawa, which suggests that low-density asteroids may have more evidence of downslope motion. Additionally, irregularly shaped asteroids appear to be more sensitive to changes in spin period.
Article
Construction & Building Technology
Zhengtong Li, Hao Zhang, Chih-Yung Wen, An-Shik Yang, Yu-Hsuan Juan
Summary: This study examines the impact of lateral entrainment on pollutant dispersion within urban street canyons and proposes three optimization strategies to improve air quality. Results show that lateral entrainment can significantly reduce pollutant concentrations in high-rise canyons. The three strategies can effectively enhance lateral entrainment, leading to a substantial reduction in pollutant concentrations and personal intake fractions of residents.
BUILDING AND ENVIRONMENT
(2021)
Article
Multidisciplinary Sciences
Sakura Takada, Natsuhiko Yoshinaga, Nobuhide Doi, Kei Fujiwara
Summary: Through studying the mode selection mechanism of Min waves, it was found that the balance of MinD's binding and dissociation from the membrane plays a crucial role in mode selection, and hysteresis characteristics were observed in the transition of wave modes.
Article
Physics, Multidisciplinary
N. Levernier, K. Kruse
NEW JOURNAL OF PHYSICS
(2020)
Article
Multidisciplinary Sciences
Luiza Stankevicins, Nicolas Ecker, Emmanuel Terriac, Paolo Maiuri, Rouven Schoppmeyer, Pablo Vargas, Ana-Maria Lennon-Dumenil, Matthieu Piel, Bin Qu, Markus Hoth, Karsten Kruse, Franziska Lautenschlaeger
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2020)
Review
Physics, Multidisciplinary
Xiaona Fang, Karsten Kruse, Ting Lu, Jin Wang
REVIEWS OF MODERN PHYSICS
(2019)
Article
Cell Biology
Anastasiya Trushko, Ilaria Di Meglio, Aziza Merzouki, Carles Blanch-Mercader, Shada Abuhattum, Jochen Guck, Kevin Alessandri, Pierre Nassoy, Karsten Kruse, Bastien Chopard, Aurelien Roux
DEVELOPMENTAL CELL
(2020)
Article
Physics, Multidisciplinary
Carles Blanch-Mercader, Pau Guillamat, Aurelien Roux, Karsten Kruse
Summary: Research shows that cell monolayers exert compressive stresses at defect centers, leading to localized cell differentiation and formation of three-dimensional shapes in these regions.
PHYSICAL REVIEW LETTERS
(2021)
Article
Multidisciplinary Sciences
Nicolas Ecker, Karsten Kruse
Summary: The research indicates a deterministic origin of the random walk behavior in cell migration and suggests that cells can adapt their migration pattern by modifying the pool of available actin.
Article
Multidisciplinary Sciences
Valentin Laplaud, Nicolas Levernier, Judith Pineau, Mabel San Roman, Lucie Barbier, Pablo J. Saez, Ana-Maria Lennon-Dumenil, Pablo Vargas, Karsten Kruse, Olivia du Roure, Matthieu Piel, Julien Heuvingh
Summary: The cell cortex is a contractile actin meshwork that determines cell shape and is essential for cell mechanics, migration, and division. The thickness of the cortex fluctuates in the third dimension due to actomyosin contractility, leading to a highly dynamic layer. This dynamic nature of the cortex may be responsible for the fast shape-changing capacity of highly contractile cells using amoeboid-like migration.
Article
Cell Biology
Mireia Andreu-Carbo, Simon Fernandes, Marie-Claire Velluz, Karsten Kruse, Charlotte Aumeier
Summary: Exchange of tubulin dimers along microtubules allows for correction of depolymerization and promotes growth, leading to increased microtubule length. Higher motor activity increases microtubule density and enhances cell polarity.
DEVELOPMENTAL CELL
(2022)
Article
Chemistry, Physical
Pau Guillamat, Carles Blanch-Mercader, Guillaume Pernollet, Karsten Kruse, Aurelien Roux
Summary: Integer topological defects promote cellular self-organization and regulate cell differentiation and tissue morphogenesis. The self-organization of cells around these defects can establish complex multicellular structures and trigger localized cell differentiation or the growth of swirling cellular pillars. These processes require specific stress patterns.
Article
Biochemistry & Molecular Biology
Cameron C. Scott, Vaibhav Wasnik, Paula Nunes-Hassler, Nicolas Demaurex, Karsten Kruse, Jean Gruenberg
Summary: This paper investigates the mechanism of calcium storage in endo-lysosomes as intracellular calcium stores. It is found that the multivesicular ultrastructure and intralumenal membranes of endo-lysosomes contribute to its calcium storage capacity by providing additional bilayer surface.
Article
Physics, Fluids & Plasmas
Nirvana Caballero, Karsten Kruse, Thierry Giamarchi
Summary: We propose a field theory to explain the composition of a surface exchanging matter with its surrounding environment. By assuming matter conservation, we use numerical simulations to show that a complex patterned composition distribution emerges on the surface depending on the rates of matter exchange. In one-dimensional systems, we analytically and numerically demonstrate that coarsening is inhibited, resulting in characteristic length scales of domains. Our findings provide a simple physical explanation for the heterogeneous lipid composition in cellular membranes.
Article
Chemistry, Physical
D. J. G. Pearce, K. Kruse
Summary: The study reveals that topological defects in liquid crystals can be partially relieved through the creation and annihilation of defect pairs, and the interactions between defects involve four distinct elements: attraction, repulsion, co-rotation, and co-translation. The interplay of these effects can result in intricate defect trajectories, which can be controlled by setting relevant timescales.
Article
Physics, Fluids & Plasmas
Carles Blanch-Mercader, Pau Guillamat, Aurelien Roux, Karsten Kruse
Summary: Researchers used principles of liquid crystal physics to determine material parameters of cell monolayers and studied steady-state mechanical patterns at integer topological defects using an active polar fluid description. They demonstrated how topological defects can be utilized to fully characterize the mechanical properties of biological active matter.
Article
Physics, Fluids & Plasmas
Vaibhav H. Wasnik, Peter Lipp, Karsten Kruse
Article
Physics, Fluids & Plasmas
Frederic Folz, Lukas Wettmann, Giovanna Morigi, Karsten Kruse
