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Controlled ligation and elongation of uniformly truncated amyloid nanofibrils.
Nanoscale
January 2025
Department of Biotechnology and Bioinformatics, Korea University, Sejong 30019, Republic of Korea.
This study investigates the production and inter-fibril interactions of uniformly truncated amyloid nanofibrils. By varying extrusion cycles (0, 50, and 100) and using carbonate filters with 100 nm and 200 nm pore sizes, precise fibril length control was achieved. Atomic force microscopy (AFM) confirmed that the mean length of the truncated fibrils corresponded to the respective pore size as extrusion cycles increased.
View Article and Find Full Text PDFPhysical and Chemical Dual Confinement Promotes Controllable Synthesis of Loose-Structured Azine-Linked Nanofilms for Fast Molecular Separation.
Nano Lett
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School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China.
Thin-film composite (TFC) membranes, featuring nanoscale film thickness and customizable pore structures, hold promise for solute-solute separations. However, achieving on-demand molecular sieving requires fine control over the membrane microstructure. Here, the concept of physical and chemical dual confinement (PCDC) is introduced to fabricate loose-structured TFC membranes via confined interfacial polymerization (IP).
View Article and Find Full Text PDFCuticle ultrastructure of the Early Devonian trigonotarbid arachnid Palaeocharinus.
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University of Exeter, Centre for Ecology & Conservation, Penryn Campus, Penryn, TR10 9FE, UK.
The cuticle is a key evolutionary innovation that played a crucial role in arthropod terrestrialization. Extensive research has elucidated the chemical and structural composition of the cuticle in extant arthropods, while fossil studies have further informed our understanding of cuticle evolution. This study examines the three-dimensionally preserved cuticular structure of the Early Devonian trigonotarbid arachnid genus Palaeocharinus, from the Rhynie chert of Scotland (∼408 Ma).
View Article and Find Full Text PDFHeat transfer and flow characteristics of a plate-fin heat sink equipped with copper foam and twisted tapes.
Heliyon
June 2024
Fluid Mechanics, Thermal Engineering and Multiphase Flow Research Lab (FUTURE), Department of Mechanical Engineering, Faculty of Engineering, King Mongkut's University of Technology Thonburi (KMUTT), Bangmod, Bangkok, 10140, Thailand.
The objective of this paper is to present new heat transfer enhancement approaches in plate-fin heat sinks (PFHS) using copper foam and twisted tapes. The motivation behind these concepts is to reduce pressure drop while enhancing heat transfer compared to PFHSs fully inserted with copper foam. The impact of twisted tape type, twist ratio, and Reynolds number () on the heat and flow behaviors inside the PFHS equipped with copper foam (PFHSCF) is investigated.
View Article and Find Full Text PDFReversible Phase Transformations in a Double-Walled Diamondoid Coordination Network with a Stepped Isotherm for Methane.
J Am Chem Soc
July 2024
Department of Chemical Science, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic of Ireland.
Article Synopsis
- * A new double-walled network, [NiL(μ-HO)], featuring a unique azo linker and 8-connected building blocks, enables reversible transformations, increasing pore volume by 33%.
- * The material demonstrates impressive gas uptake capacities, achieving 200 cm/cm for methane at high pressure, ranking among the top FMOMs for methane storage performance.
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