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Background/objectives: Sepsis-related acute kidney injury (SA-AKI) is a severe condition characterized by high mortality rates. The utility of the sCAR (secrum creatinine/albumin) and LAR (Lactate dehydrogenase/albumin) as diagnostic markers for persistent severe SA-AKI remains unclear.
Methods: We acquired training set data from the MIMIC-IV database and validation set data from the First Affiliated Hospital of Harbin Medical University.
Study on Influence of Mechanical Behavior of AZ31 Magnesium Alloy Based on GTN Damage Modeling.
Materials (Basel)
December 2024
School of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China.
Damage mechanisms are a key factor in materials science and are essential for understanding and predicting the behavior of materials under complex loading conditions. In this paper, the influence of different directions, different rates and different model parameters on the mechanical behavior of AZ31 magnesium alloy during the tensile process is investigated based on the secondary development of the VUMAT user subroutine based on the GTN damage model and verified by the tensile experiments at different loading rates and in different directions. The results show that AZ31 magnesium alloy exhibits significant differences in mechanical properties in radial and axial stretching, where the yield strength is lower in the radial direction than in the axial direction, and the elongation is the opposite.
View Article and Find Full Text PDFPerceptual averaging on relevant and irrelevant featural dimensions.
Atten Percept Psychophys
January 2025
Department of Philosophy, University of York, York, UK.
Here we report four experiments that explore the nature of perceptual averaging. We examine the evidence that participants recover and store a representation of the mean value of a set of perceptual features that are distributed across the optic array. The extant evidence shows that participants are particularly accurate in estimating the relevant mean value, but we ask whether this might be due to processes that reflect assessing featural similarity rather than computing an average.
View Article and Find Full Text PDFElective Thoracic Surgical Resections for Pulmonary Arteriovenous Malformations - A 16 Year Single-Center Experience.
Pulm Circ
January 2025
National Heart and Lung Institute, Imperial College London UK.
Pulmonary arteriovenous malformations (PAVMs) cause cerebral abscess and ischemic stroke due to paradoxical emboli, risks that are increasingly recognized. We report the evolving placement of thoracic surgery in multi-disciplinary team management of PAVMs that were sporadic or associated with hereditary hemorrhagic telangiectasia. From 1983 to 2006, all patients receiving elective treatment had embolization.
View Article and Find Full Text PDFStacked meshes with super-wettability atmospheric plasma for efficient emulsion separation.
Nanoscale
January 2025
CAS Key Laboratory of Bio-inspired Materials and Interface Sciences, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
Common filter membranes for emulsion separation often require time-intensive preparation and extensive use of chemicals, necessitating a fast-processing and eco-friendly alternative. This study introduces a 2-layer stacked nylon mesh treated with surface diffuse atmospheric plasma (SDAP) for rapid and efficient emulsion separation. Commercial nylon mesh exhibited durable super-wetting properties after just 30 s of SDAP treatment, which was sufficient for effective emulsion separation.
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