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Creep model of bond-degradation in deep granite based on variable radius particle clump.
Sci Rep
January 2025
Xincheng Gold Mine of Shandong Gold Mining Co., Ltd., Laizhou, 261400, Shandong, China.
The creep failure of rocks is related to its microstructure, external loading and time. A nonlinear yield model was introduced to describe the variation in the cohesion and friction angle with plastic strain and intergranular stress. The mechanical properties and creep characteristics of deep granite were obtained by indoor tests, and a variable radius particle clump model was constructed based on the particle flow method.
View Article and Find Full Text PDFEnhanced Structure Stability of Au Nanobipyramids by an Customized Silver Armor.
Nano Lett
January 2025
School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China.
Revealing the structure stability and evolution of gold nanocrystals at the atomic scale is crucial to their versatile applications; however, the fundamental mechanism remains elusive due to the lack of characterizations. In this work, the structural evolution of two types of Au nanobipyramids (Au NBPs) at elevated temperatures is monitored through electron microscopy analysis, and there is a sharp distinction between their structure stability despite that they possess the same crystalline structure. Detailed material characterization reveals that the surface alloying of residual Ag with Au (customized Ag armor) can greatly inhibit the Au atom diffusion and contribute remarkably to the stability and surface-enhanced Raman scattering improvement.
View Article and Find Full Text PDFThe Evolution of Kidney Graft Preservation Through the Years.
Life (Basel)
December 2024
Department of Urology, Clínica Universidad de Navarra, 31008 Pamplona, Spain.
Chronic kidney disease (CKD) is a prevalent disease affecting almost 10% of the world's population, with many cases progressing to end-stage kidney disease (ESKD). Kidney transplantation (KT) is the gold-standard treatment for ESKD. Due to growing KT waitlists, the deceased kidney donor (DKDs) criteria have expanded to increase the number of available kidney grafts.
View Article and Find Full Text PDFThalamo-insular cortex connections in the rat and human.
Neurosci Lett
December 2024
Department of Anatomy, Koç University, School of Medicine, Istanbul, Turkey. Electronic address:
The insular cortex (ICx) has a role in large a variety of functions. Thalamus plays an important role in modulating cortical functions. The present study aims to show thalamic-ICx connections using the fluoro-gold (FG) tracing method in rats and diffusion tensoring-based tractography (DTI) in humans.
View Article and Find Full Text PDFColonic polypectomy in 2024: hot or cold?
Acta Gastroenterol Belg
January 2025
Department of Gastroenterology and Hepatology, Ghent University Hospital, Ghent, Belgium.
Colorectal cancer (CRC) is the second and third leading cause of cancer death in men and women respectively worldwide. Colonoscopy is the gold standard screening test to detect premalignant lesions with endoscopic polypectomy preventing evolution to CRC. Endoscopic polypectomy is effective with a higher safety profile and is less costly as compared to surgery.
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