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| http://dx.doi.org/10.1074/jbc.A113.484253 | DOI Listing |
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Identification of gas outburst precursors based on outburst percolation theory.
Sci Rep
January 2025
School of Mechanics and Engineering, Liaoning Technical University, Fuxin, 123000, China.
Uniaxial compression experiments were conducted on coal rock utilizing a computed tomography (CT) scanning system for real-time monitoring to explain the issue of gas volume significantly exceeding reservoir capacity during coal and gas outbursts. A percolation factor a which can make a significant contribution to the research on premonitory information of gas outbursts is introduced to determine whether percolation occurs in coal rock, and supports the outburst percolation theory. It was found that percolation probability and correlation length increase with greater porosity, and that the number of pore clusters decreases as porosity increases.
View Article and Find Full Text PDFMechanisms of dual modulatory effects of spermine on the mitochondrial calcium uniporter complex.
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Department of Physiology and Biophysics, University of Colorado Anschutz Medical Campus, Aurora, CO 80045; Department of Molecular Physiology and Biological Physics, University of Virginia School of Medicine, Charlottesville, VA 22903. Electronic address:
The mitochondrial Ca uniporter is the Ca channel responsible for mitochondrial Ca uptake. It plays crucial physiological roles in regulating oxidative phosphorylation, intracellular Ca signaling, and cell death. The uniporter contains the pore-forming MCU subunit, the auxiliary EMRE protein, and the regulatory MICU1 subunit, which blocks the MCU pore under resting cellular Ca concentrations.
View Article and Find Full Text PDFStudy on structure, properties and formation mechanism of cassava starch-faba bean protein heat-induced gel.
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State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China. Electronic address:
In this experiment, the effects of different concentrations of cassava starch (CS) on the gel behavior of faba bean protein (FBP) were studied, focusing on the structural characteristics, gel characteristics and physical and chemical characteristics of the gel system. Specifically, with the increase of CS concentration from 4 % to 12 %, the morphology of the sample changed from fluid to gel solid. From the molecular structure, different concentrations of CS affected the secondary and tertiary structures of FBP protein, which made aromatic amino acids move to the surface of protein and promoted the transformation from α-helix to β-sheet.
View Article and Find Full Text PDFEnhancing ionic conductivity and expanding the electrochemical window in polymer electrolytes via ferroelectric-metal-organic-frameworks to manipulate charge spatial distribution.
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National Local Joint Engineering Research Center for Lithium-ion Batteries and Materials Preparation Technology, Key Laboratory of Advanced Batteries Materials of Yunnan Province, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093 China. Electronic address:
Poly (ethylene oxide) (PEO)-based polymer electrolytes have promising applications in all-solid-state lithium metal batteries. However, their wide range of practical applications is severely limited by their relatively low room temperature lithium ion conductivity and narrow electrochemical window. In this paper, based on the ability of spontaneous polarization of ferroelectric materials to generate polarization field under applied electric field and the characteristics of Metal-Organic-Frameworks (MOFs) materials with regular adjustable pore structure, a Nano material combining ferroelectric materials and MOF (NUS-6(Hf)-MOF) was first proposed to be added to PEO polymer electrolyte as a filler.
View Article and Find Full Text PDF3D Mechanical Response Stem Cell Complex Repairs Spinal Cord Injury by Promoting Neurogenesis and Regulating Tissue Homeostasis.
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Department of Orthopaedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, China.
Spinal cord injury (SCI) leads to acute tissue damage that disrupts the microenvironmental homeostasis of the spinal cord, inhibiting cell survival and function, and thereby undermining treatment efficacy. Traditional stem cell therapies have limited success in SCI, due to the difficulties in maintaining cell survival and inducing sustained differentiation into neural lineages. A new solution may arise from controlling the fate of stem cells by creating an appropriate mechanical microenvironment.
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