Sökresultat

Filtyp

Din sökning på "*" gav 539565 sökträffar

The Influx of the International Baccalaureate (IB) Programmes into Local Education Systems in Hong Kong, Singapore, and South Korea

This comparative analysis aims to capture the complex roles and positionings of the International Baccalaureate (IB) in conjunction with local education systems in Hong Kong, Singapore, and South Korea. Our analysis focused on how the IB’s institutional legitimacy is presented in the three societies. We conducted a documentary analysis of texts on the introduction and implementation of IB programm

Incommensurability and population-level bioethics

This paper introduces incommensurability, its potential relevance to population-level bioethics, and thecontributions to the special issue. It provides an overview of recent research on incommensurability, outlines somereasons to believe in its possibility and relevance, and presents some problems and opportunities that arise onceone accepts that incommensurability is possible.

Nondeterminacy, two-step models and justified choice

This article analyzes approaches to nondeterminacy (e.g., incommensurability, indeterminacy, parity) that suggest that one can make justified choices when primary criteria fail to fully determine a best alternative by introducing a secondary criterion. It is shown that these approaches (in the article called “two-step models”) risk violating Basic Contraction Consistency. Some ways of adjusting tw

Distributing global health resources : Contemporary issues in political philosophy

How should states and international organizations allocate global health resources? This paper examines proposals for distributing these resources in the literature. First, we look at the literature on the metrics for measuring what matters and consider how they might be modified to avoid some common objections—e.g., that these measures discriminate against the disabled or fail to give due weight

Image analysis optimization for nanowire-based optical detection of molecules

Semiconductor nanowires can enhance the signal of fluorescent molecules, thus significantly improving the limits of fluorescence detection in optical biosensing. In this work, we explore how the sensitivity can further be enhanced through "digital"detection of adequately spaced vertically aligned nanowires, employing single-emitter localization methods, and bright-field microscopy. Additionally, w

Repeatability Assessment in Tunnel Fire Experiments

A medium-scale experimental setup located in Revinge, Sweden, is used to generate new repeated experimental datasets focussed on measuring a set of key variables, including time-temperature curves and temperature profiles. A total of 6 repeated fire tests were conducted and are here used to exemplify typical issues associated with repeatability, uncertainty and variability in tunnel fire experimen

Donor age and ischemic time in heart transplantation – implications for organ preservation

Background: The Organ Care System and Non-ischemic Heart Preservation methods have emerged as significant advancements in heart transplantation, designed to mitigate ischemic injury and extend preservation times. However, their high costs and logistical complexities necessitate strategic utilization. Methods: We evaluated data from 83,761 heart transplants registered in the International Society f

Body dysmorphic disorder

Body dysmorphic disorder (BDD) is an obsessive–compulsive disorder-related psychiatric condition characterized by an intense preoccupation with perceived physical flaws that are not observable by others. BDD affects ~2% of the adult population but is underdiagnosed, partly owing to limited clinician awareness, and undertreated, partly due to limited access to treatment. Research on the aetiology o

Traumatic brain injury causes early aggregation of beta-amyloid peptides and NOTCH3 reduction in vascular smooth muscle cells of leptomeningeal arteries

Traumatic brain injury (TBI) often leads to impaired regulation of cerebral blood flow, which may be caused by pathological changes of the vascular smooth muscle cells (VSMCs) in the arterial wall. Moreover, these cerebrovascular changes may contribute to the development of various neurodegenerative disorders such as Alzheimer’s-like pathologies that include amyloid beta aggregation. Despite its i

Towards an ecological metaphor for regenerative circular economies

An ecological metaphor can enable transitions towards regenerative circular economies. Yet, this potential remains latent because its conceptual development, which is a prerequisite for its practical operationalization, is in its incipient phase and largely vague. To strengthen its epistemological underpinning, we propose a forward-looking interdisciplinary research agenda which brings together th

Loss of ret promotes mesenchymal identity in neuroblastoma cells

Aberrant activation of anaplastic lymphoma kinase (ALK) drives neuroblastoma (NB). Previous work identified the RET receptor tyrosine kinase (RTK) as a downstream target of ALK activity in NB models. We show here that ALK activation in response to ALKAL2 ligand results in the rapid phosphorylation of RET in NB cells, providing additional insight into the contribution of RET to the ALK-driven gene

Clinical response of the novel activating ALK-I1171T mutation in neuroblastoma to the ALK inhibitor ceritinib

Tumors with anaplastic lymphoma kinase (ALK) fusion rearrangements, including non-small-cell lung cancer and anaplastic large cell lymphoma, are highly sensitive to ALK tyrosine kinase inhibitors (TKIs), underscoring the notion that such cancers are addicted to ALK activity. Although mutations in ALK are heavily implicated in childhood neuroblastoma, response to the ALK TKI crizotinib has been dis

Impact of Diagenesis on Biogenic Silica- Structural, Chemical, and Isotope Proxies

The silicon isotope composition (δ30Si) of biogenic silica is often used as an archive of past environmental conditions. For example, sponge spicule δ30Si is known to be related to seawater-dissolved Si concentrations. Such a proxy application requires that the δ30Si is not diagenetically altered—or at least that any alteration can be identified and accounted for. Yet the preservation of pristine

Persistently different patterns of patient's global assessment of health in rheumatoid arthritis are associated with pain and impaired function more than with inflammation : an inception cohort study over 15 years

Objective To assess patient's self-reported global assessment of health (PGA) in relation to inflammation, pain and disability in patients with rheumatoid arthritis (RA). Methods Data were obtained from the Better Anti-Rheumatic PharmacOTherapy early RA cohort, in which patients were scheduled for follow-up of 15 years. Longitudinal PGA trajectories were identified using hierarchical agglomerative

Precuneus Activity during Retrieval Is Positively Associated with Amyloid Burden in Cognitively Normal Older APOE4 Carriers

The precuneus is a site of early amyloid-beta (Aβ) accumulation. Previous cross-sectional studies reported increased precuneus fMRI activity in older adults with mild cognitive deficits or elevated Aβ. However, longitudinal studies in early Alzheimer’s disease (AD) are lacking and the relationship to the Apolipoprotein-E (APOE) genotype is unclear. Investigating the PREVENT-AD dataset, we assessed

Unique considerations in the assessment and management of traumatic brain injury in older adults

The age-specific incidence of traumatic brain injury in older adults is rising in high-income countries, mainly due to an increase in the incidence of falls. The severity of traumatic brain injury in older adults can be underestimated because of a delay in the development of mass effect and symptoms of intracranial haemorrhage. Management and rehabilitation in older adults must consider comorbidit

Stable CO2 Hydrogenation to Methanol by Cu Interacting with Isolated Zn Cations in Zincosilicate CIT-6

The catalytic conversion of carbon dioxide (CO2) to methanol over Cu/ZnO catalysts is expected to become valuable for recycling CO2. The nature of the Cu-Zn interplay remains a subject of intense debate due to many different Zn species encountered in Cu/ZnO catalysts. In this study, we designed a Cu-Zn catalyst by ion-exchanging Cu into CIT-6, a crystalline microporous zincosilicate with the BEA*

Variations in Ecosystem-Scale Methane Fluxes Across a Boreal Mire Complex Assessed by a Network of Flux Towers

High latitude mires are key ecosystems in the context of climate change since they store large amounts of carbon while constituting an important natural source of methane (CH4). However, while a growing number of studies have investigated methane fluxes (FCH4) at the plot- (~1 m2) and ecosystem-scale (~0.1–0.5 km2) across the boreal biome, variations of FCH4 magnitudes and drivers at the mesoscale