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This study investigates whether incorporating news-based sentiment into the GARCH-MIDAS framework improves volatility forecasts for the OMXS30 in- dex. The sentiment measure is constructed from Swedish business news articles published in Dagens Industri (DI) between 1995 and 2024, using Latent Dirichlet Allocation (LDA) to identify thematic topics and topic-representative articles. The resulting s
INTRODUCTION: Left ventricular (LV) longitudinal function is a prognostic marker of hospitalization and mortality in LV dysfunction. Recently, left atrial (LA) reservoir and conduit strain have also been presented as independent prognostic markers. However, the atria and ventricles are coupled in the fibrous atrioventricular plane (LA-LV coupling). The degree to which the LA strain is affected, or
This study reports the synthesis and characterization of heterogeneous acid catalysts derived from rice husk biochar, modified by sulfonation and Ce(NO3)3·6H2O (cerium (III) nitrate hexahydrate) impregnation, for fatty acid esterification using methyl acetate as a glycerol-free reaction route. The research aims to valorize agricultural residues as renewable and sustainable precursors for solid aci
Introduction.In policy and political debate, media and information literacy (MIL) is increasingly framed as a civic responsibility and a strategic response to the contemporary ‘information crisis’, marked by disinformation and digital insecurity. This positions MIL as essential to democratic resilience and national security but risks excluding individuals who lack the resources or capacities to meIntroductionIn policy and political debate, media and information literacy (MIL) is increasingly framed as a civic responsibility and a strategic response to the contemporary ‘information crisis’, marked by disinformation and digital insecurity. This positions MIL as essential to democratic resilience and national security but risks excluding individuals who lack the resources or capacities to mee
Ordered assemblies of colloidal semiconductor nanocrystals have traditionally been studied for energy transfer and electronic transport arising from wavefunction overlap between neighboring nanocrystals. In this perspective, we instead focus on light-coupled nanocrystal solids engineered primarily for light emission. These materials include ordered superlattices and compositionally doped assemblie
We explore interactions between equally charged surfaces in the presence of simple salt and either neutral or monovalently charged polyampholytes. We consider the possibility of using these charged polymers as crude models of ion clusters. The latter have been hypothesized to form in concentrated aqueous salt solutions and are possibly related to anomalous underscreening. This phenomenon usually m
Using Swedish-matched employer-employee data from 2001 to 2018 and parametric survival analysis, we examine how the share of off-farm wage income affects survival time in the state of hybrid farming. We find a non-linear relationship between the share of off-farm wage income and the risk of exit; at lower levels, the share of off-farm wage income increases the risk of exiting agriculture completel
A number of recent experiments have indicated that magnetic nanoparticles can become locally hotter than their nonmagnetic surroundings during induction heating. While such nanoscale hotspot-effect is particularly attractive for applications within biomedicine and catalysis, its existence is a topic of scientific controversy. To address this, we here present simultaneous measurements of the intern
Mannosyl β-C-1 amidotriazoles have previously been reported to have higher selectivity for galectin-9N (N-terminal domain) than the corresponding galactoside C3 amidotriazoles have, which were more selective for galectin-3. This study further investigated this by synthesis of mono- and bis-aryltriazolyl mannoside analogues to known high-affinity galectin-3 galactosyl-derived inhibitors. Following
The axon initial segment (AIS) is a specialized neuronal microdomain that serves as a physical diffusion barrier, separating the axon from somatodendritic compartments. As a highly plastic structure, the AIS dynamically regulates neuronal excitability and contributes to circuit homeostasis. Recent advances in super-resolution imaging and disease modeling have expanded our understanding of its role
OBJECTIVES: To identify the lowest sensitivity and specificity that physicians and the general population consider acceptable for medical artificial intelligence (AI), relative to current human performance.METHODS: In a nationwide, cross-sectional survey in Sweden, 2025, random samples of 500 physicians and 500 adults from the general population were mailed a questionnaire presenting three vignett
Full text linksBMC Public Health. 2026 Apr 17;26(1):1273.doi: 10.1186/s12889-026-27378-1.Individual and environmental determinants of body mass index trajectories: results from a longitudinal study in Southern SwedenPauline Rebouillat 1 , Kristoffer Mattisson 2 , Giedre Gefenaite 3 , Per-Olof Östergren 4 , Peter M Nilsson 5 6 , Jonas Björk 2 7Affiliations PMID: 41998602 PMCID: PMC13091265 DOI: 10.
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pathogenesis is shaped not only by viral entry mechanisms but also by interactions with host and microbial factors. The viral spike (S) protein can bind Gram-negative bacterial lipopolysaccharide (LPS), a driver of hyperinflammation in severe COVID-19. How viral evolution over the years alters this interaction remains unclear. Here, we i
