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Computational analysis of the effect of interaction heterogeneity on fluid-crystal coexistence in micron-scale colloidal systems.
J Chem Phys
December 2024
Department of Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
Micron-scale colloidal particles with short-ranged attractions, e.g., colloids functionalized with single-stranded DNA oligomers, have emerged as a powerful platform for studying colloidal self-assembly phenomena with the long-term goal of identifying routes for metamaterial fabrication.
View Article and Find Full Text PDFDecades-old carbon reserves are widespread among tree species, constrained only by sapwood longevity.
New Phytol
February 2025
Center for Ecosystem Science and Society, Northern Arizona University, Flagstaff, AZ, 86011, USA.
Article Synopsis
- Carbon reserves in trees are influenced by past photosynthesis and can be dated using radiocarbon dating, allowing researchers to study their distribution and turnover.
- A new process model was created to analyze how different tree species manage their carbon reserves, revealing that both young and old reserves coexist within a single tree and are significantly mixed.
- Disturbances like drought, fire, and pests negatively affect reserve mixing and longevity, with older reserves showing notable age shifts after disturbances, suggesting that ecological variations across species play a critical role in reserve management.
Electrolyte Additive Molecule Disassembly to Reveal the Roles of Individual Groups in Zn Electrode Stabilities in Aqueous Batteries.
ACS Nano
October 2024
Department of Chemistry, Northeastern University, Shenyang 110819, China.
Zn metal anodes experience dendritic growth and hydrogen evolution reactions (HER) in aqueous batteries. Herein, we propose an interface regulation strategy with a trace (1.4 × 10 mol kg) all-in-one epicatechin (EC) electrolyte additive to solve the above issues and reveal the roles of individual functional groups.
View Article and Find Full Text PDFModified stochastic diffusion particle tracking model driven by skew Brownian motion: Analysis of sediment particle motion in turbulent flow under the effects of ejection and sweep.
Chaos
March 2024
Department of Civil Engineering, National Taiwan University, Taipei 10617, Taiwan.
Turbulent bursting events have been classified into outward interactions (Q1), ejections (Q2), inward interactions (Q3), and sweeps (Q4) in various studies. Ejections (Q2) and sweeps (Q4) have been identified as significant contributors to time consumption, momentum flux, and sediment flux. Additionally, research has shown that the distribution of these events varies nonuniformly at different bed elevations.
View Article and Find Full Text PDFGlu102-Mediated Early Conformational Changes in the Process of Light-Induced Green Cone Pigment Activation.
Biochemistry
April 2024
Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Showa-ku,Nagoya 466-8555, Japan.
Ligand-triggered activation of G protein-coupled receptors (GPCRs) relies on the phenomenon of loose allosteric coupling, which involves conformational alterations spanning from the extracellular ligand-binding domain to the cytoplasmic region, where interactions with G proteins occur. During the GPCR activation process, several intermediate and equilibrium states orchestrate the movement of the flexible and rigid transmembrane (TM) segments of the GPCR. Monitoring early conformational changes is important in unraveling the structural intricacies of the loose allosteric coupling.
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