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Ultrafast Synthesis of Oxygen Vacancy-Rich MgFeSiO Cathode to Boost Diffusion Kinetics for Rechargeable Magnesium-Ion Batteries.
Nano Lett
January 2025
National Innovation Center for Industry-Education Integration of Energy Storage Technology, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China.
Rechargeable magnesium ion batteries (RMBs) have drawn extensive attention due to their high theoretical volumetric capacity and low safety hazards. However, divalent Mg ions suffer sluggish mobility in cathodes owing to the high charge density and slow insertion/extraction kinetics. Herein, it is shown that an ultrafast nonequilibrium high-temperature shock (HTS) method with a high heating/quenching rate can instantly introduce oxygen vacancies into the olivine-structured MgFeSiO cathode (MgFeSiO-HTS) in seconds.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
University of Pennsylvania, Philadelphia, PA, USA.
Background: Alzheimer's disease (AD), characterized by significant brain volume reduction, is influenced by genetic predispositions related to brain volumetric phenotypes. While genome-wide association studies (GWASs) have linked brain imaging-derived phenotypes (IDPs) with AD, existing polygenic risk scores (PRSs) based models inadequately capture this relationship. We develop BrainNetScore, a network-based model enhancing AD risk prediction by integrating genetic associations between multiple brain IDPs and AD incidence.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
Barcelonaβeta Brain Research Center (BBRC), Pasqual Maragall Foundation, Barcelona, Spain.
Background: Current evidence suggests that hippocampal subfields have partially different genetic architecture and may improve the sensitivity of the detection of Alzheimer's disease (AD). In this study, we investigated whether genetic predisposition to AD contributes to the accelerated rate of hippocampal volume atrophy across sex and AD stages and how this contribution is specifically driven by functional variants located in the APOE gene.
Methods: The study comprised 1,051 participants from ADNI cohort (75.
Basic Science and Pathogenesis.
Alzheimers Dement
December 2024
Wake Forest Alzheimer's Disease Research Center, Winston-Salem, NC, USA.
Background: Western and Mediterranean diets differentially affect cerebral cortical gene expression, brain structure, and socioemotional behavior in middle-aged female nonhuman primates (NHP) (Macaca fascicularis). In this study, we investigate the effect of diet on brain molecular composition.
Method: Using a machine learning approach, we quantified the impact of these diets on the presynaptic proteome in the lateral temporal cortex determined by synaptometry by time of flight (SynTOF) mass spectrometry and examined associations between the proteome, transcriptome, and an array of multisystem phenotypes.
Basic Science and Pathogenesis.
Alzheimers Dement
December 2024
Glenn Biggs Institute for Alzheimer's & Neurodegenerative Diseases, University of Texas Health Science Center, San Antonio, TX, USA.
Background: Consortium-wide studies of volumetric brain imaging measures with single-nucleotide polymorphisms (SNPs) have revealed numerous disease-risk SNPs and emphasized the significance of brain imaging phenotypes as preclinical markers (endophenotypes) for Alzheimer's disease (AD). Nevertheless, the bulk of these risk variants are in genomic regions that govern multiple genes, posing major challenges in fine-mapping strategies. Evolutionarily conserved transposable elements are master regulators of gene expression, and by studying these endogenous gene regulatory units in relation to AD endophenotypes, we aimed to better identify the disease-causal gene.
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