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Microscale intertidal habitats modulate shell break resistance of the prey; Implications for prey selection.
Mar Environ Res
January 2025
Universidad Austral de Chile, Instituto de Ciencias Marinas y Limnológicas, Valdivia, Chile; Programa de Pós-Graduação em Sistemas Aquáticos Tropicais, Universidade Estadual de Santa Cruz (UESC), Salobrinho, 45662-900, Ihéus, Brazil. Electronic address:
Intertidal microhabitats provide special conditions to the organisms that inhabit them and to some of their morpho-protective characteristics. Tidal pools, under the influence of acidified freshwater, may affect the characteristics of the protective shells of prey and have repercussions on predation. The shells of Perumytilus purpuratus from such tidepools are more fragile than those of their counterparts from the vertical intertidal walls of the same area.
View Article and Find Full Text PDFNanoscale imaging and control of altermagnetism in MnTe.
Nature
December 2024
School of Physics and Astronomy, University of Nottingham, Nottingham, UK.
Nanoscale detection and control of the magnetic order underpins a spectrum of condensed-matter research and device functionalities involving magnetism. The key principle involved is the breaking of time-reversal symmetry, which in ferromagnets is generated by an internal magnetization. However, the presence of a net magnetization limits device scalability and compatibility with phases, such as superconductors and topological insulators.
View Article and Find Full Text PDFSymmetry and Asymmetry in Mutations and Memory Retention during the Evolutionary Growth of Carbon Nanotubes.
J Am Chem Soc
December 2024
Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
Symmetry is a motif featured in almost all areas of science, and understanding the mechanism of symmetry breaking is challenging. Similar to mutations that disrupt symmetry in evolution, defects in materials offer insight into symmetry breaking. Here, we investigate symmetry in intragenerational mutations and symmetry breaking in transgenerational mutations in the evolutionary growth system of carbon nanotubes (CNTs).
View Article and Find Full Text PDFIn/Outside Catalytic Sites of the Pore Walls in One-Dimensional Covalent Organic Frameworks for Oxygen Reduction Reaction.
Angew Chem Int Ed Engl
December 2024
National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230029, P.R. China.
Pore channels play a decisive role in mass transport in catalytic systems. However, the influences of the location of catalytic sites inside or outside of the pore walls on the performance were still under-explored due, because it is difficult to construct sites anchored in or outside of pore walls. Herein, one-dimensional covalent organic frameworks with precisely anchored active sites were used to explore the effects of channels on a typical oxygen reduction reaction (ORR) catalysis.
View Article and Find Full Text PDFSpontaneous nanosized liposome formation from crude dried lecithin upon addition of glycerol.
Sci Rep
December 2024
School of Engineering, University of Guelph, Guelph, ON, N1G2W1, Canada.
Nanosized liposomal vesicles (NLV) were successfully prepared using natural sunflower lecithin without the use of high-pressure homogenization or filtration. Upon glycerol addition to dispersions of lecithin multilamellar vesicles (MLVs), these broke down spontaneously to liposomes with diameters in the range of 100-200 nm. Static light scattering demonstrated that glycerol addition above 30% (w/w) induced the complete transformation of MLVs into NLVs.
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