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Biomarkers.
Alzheimers Dement
December 2024
Brain-Computer Interfaces team, ESPCI Paris / PSL Research University, Paris, France.
Background: It is estimated that up to 80% of people with Alzheimer's disease (AD) may have some form of anosognosia. Anosognosia also constitutes a major source of stress for caregivers as it delays diagnosis and affects compliance with treatment. Here, we aimed to explore whether and how early anosognosia and caregiver burden could independently serve as indicators for identifying patients at risk of converting to AD.
View Article and Find Full Text PDFAlzheimer's Imaging Consortium.
Alzheimers Dement
December 2024
University of Pennsylvania, Philadelphia, PA, USA.
Background: Detection of neurodegeneration during preclinical stages of Alzheimer's disease (AD) is critical for disease prediction and monitoring. Macrostructural brain changes (volume/thickness) during preclinical AD are often not detectable in cross-sectional studies. Microstructural changes manifested as alterations in texture features may capture subtle neurodegeneration at this stage.
View Article and Find Full Text PDFReducing Disorder in PbTe Nanowires for Majorana Research.
Nano Lett
January 2025
State Key Laboratory of Low Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, China.
Material challenges are the key issue in Majorana research, where surface disorder constrains device performance. Here, we tackle this challenge by embedding PbTe nanowires within a lattice-constant-matched crystal. The wire edges are shaped by self-organized growth instead of lithography, resulting in nearly atomically flat facets along both cross-sectional and longitudinal directions.
View Article and Find Full Text PDFThermoelectric Energy Harvesting for Exhaust Waste Heat Recovery: A System Design.
ACS Appl Mater Interfaces
January 2025
Department of Materials Science and Engineering, Pennsylvania State University, University Park, Pennsylvania 16802, United States.
Thermal energy harvesting for high-speed moving objects is particularly promising in providing an efficient and sustainable energy source to enhance operational capabilities and endurance. Thermoelectric (TE) technology, by exploiting temperature gradients between a heat source and ambient temperature, can provide a continuous power supply to such systems, reducing the reliance on conventional batteries and extending operation times. However, the integrated thermoelectric generator (TEG) system design research is far behind materials development.
View Article and Find Full Text PDFThe Effect of Textile Structure Reinforcement on Polymer Composite Material Mechanical Behavior.
Polymers (Basel)
December 2024
Faculty of Technology, Goce Delcev University, Krste Misirkov 10-A, P.O. Box 201, 2000 Shtip, North Macedonia.
Investigating the impact of textile structure reinforcement on the mechanical characteristics of polymer composites produced by the compression molding technique was the goal of this work. An epoxy resin system served as the matrix, and various woven (plain, twill, basket), nonwoven (mat), and unidirectional (UD) textile structures made from E-glass fibers were employed as reinforcement elements. Compression molding of pre-impregnated textile materials (prepregs) was used to create the composites.
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