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Comparing diagnostic tools for heart failure with preserved ejection fraction across community and clinical cohorts

BACKGROUND: Diagnosing heart failure with preserved ejection fraction (HFpEF) remains challenging, particularly in older adults. While the Heart Failure Association (HFA)-PEFF and H2FPEF Scores offer structured diagnostic approaches, their clinical utility is still debated. This study aims to compare the diagnostic accuracy of HFpEF Scores versus inclusion criteria used in sodium-glucose cotranspo

Using the advantages and avoiding the risks – a public survey about the challenges of online purchases of medicines

Background: Around 95% of all websites selling medicines globally are illegal and contribute to the spread of substandard and falsified medicines. Hence, it is important to identify legal pharmacies when accessing medicines online. During 2022-2024, 250 million prescriptions were legally dispensed in Sweden, and 69% were prescribed in primary care. Pharmacists and general practitioners are key hea

Accelerometer-Measured Physical Activity and Sedentary Behavior in Individuals With and Without Chronic Diseases : Cross-Sectional Results of 27,890 Adults From the Swedish CArdioPulmonary BioImage Study Cohort

Background: This study compared levels of physical activity (PA) and sedentary behavior (SB) in adults with and without chronic diseases or multimorbidity, acknowledging sociodemographic factors. Methods: A cross-sectional analysis was conducted with data from 27,890 participants (52% women), aged 50–64, from the Swedish CArdioPulmonary bioImage Study cohort. Over 1500 chronic diseases were includ

Impact of oblique reflections on the generation of isolated attosecond pulses by polarization gating

Isolated attosecond pulses are often generated via sub-optical-cycle polarization gating. This technique, based on the precise control of the time-dependent polarization of the infrared driver pulse, enables strong temporal confinement of the extreme ultraviolet (XUV) emission from high-order harmonic generation (HHG) in gases. In this work, we study the influence of pulse propagation between the

Design of Tau Aggregation Inhibitors Using Iterative Machine Learning and a Polymorph-Specific Brain-Seeded Fibril Amplification Assay

The aggregation of tau into amyloid fibrils is associated with Alzheimer’s disease (AD) and related tauopathies. Since different tauopathies are characterized by the formation of distinct tau fibril morphologies, it is important to combine the search of tau aggregation inhibitors with the development of in vitro tau aggregation assays that recapitulate aggregation as it may occur in the brain. Her

Concentrated-solar catalytic methane dry reforming with ultrahigh conversion and durability

Methane dry reforming not only utilizes two potent greenhouse gases of methane and carbon dioxide, but also provides a valuable feedstock for the production of chemicals. However, this process has been heavily hindered by high operating temperature and coke formation with catalyst deactivation over the last century. Herein, we propose an approach whereby concentrated-solar catalytic methane dry re

Brain Organoid Transplantation : A Comprehensive Guide to the Latest Advances and Practical Applications—A Systematic Review

Brain organoid technology has seen significant development in recent years. This self-organized, three-dimensional, organ-oriented brain tissue model can recapitulate the process of neurogenesis and consists of diverse cell types and cellular architecture. Transplanting brain organoids in vivo could be a potential tool from bench to clinical research and has been studied for many purposes. To inve

Global, regional, and national burden of disorders affecting the nervous system, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021

Background: Disorders affecting the nervous system are diverse and include neurodevelopmental disorders, late-life neurodegeneration, and newly emergent conditions, such as cognitive impairment following COVID-19. Previous publications from the Global Burden of Disease, Injuries, and Risk Factor Study estimated the burden of 15 neurological conditions in 2015 and 2016, but these analyses did not i

Graft Rejection After Ex Vivo T-Cell-Depleted Haploidentical Hematopoietic Cell Transplantation : Analysis of Incidence, Survival, Risk Factors, and Association With Biomarkers of Inflammation

Background: Graft rejection (GR) is common complication after haploidentical hematopoietic cell transplantation (haplo-HCT). There are only a few studies describing the clinical presentation and potential risk factors of GR, and the optimal rescue strategy is not established. Objectives: To evaluate the cumulative incidence and potential risk factors for GR following haplo-HCT, and to compare surv

Can 177Lu-DOTATATE Kidney Absorbed Doses be Predicted from Pretherapy SSTR PET? Findings from Multicenter Data

Before performing 177Lu-DOTATATE therapy for neuroendocrine tumors, somatostatin receptor (SSTR) PET imaging is currently used to confirm sufficient tumor SSTR expression, but it also has potential to be used to personalize treatment by predicting absorbed doses to critical organs. This study aims to validate the predictive capability of SSTR PET in anticipating renal absorbed dose in the first cy

Highly tunable cryogenic resonance circuit for radio frequency magnetic field generation using in situ switch-bank tuning

This study presents a cryogenic resonant radio frequency (RF) transmitter coil design for magnetic field generation that utilizes electromechanical switches to match and tune the resonance frequency with capacitor banks in situ. The design enables magnetic field generation at any frequency across a wide frequency range of 25-140 MHz (560% tuning range) while operating at 1.5 K. Magnetic field gene

Impact of cerebral oxygen saturation on mortality and rehospitalisation in patients with heart failure and the role of physical activity as a modifying factor : the HARVEST-Malmö Study

BACKGROUND: The cross-sectional association between cerebral tissue oxygen saturation (SctO 2) and heart failure (HF) has been previously studied, but the prognostic significance of SctO 2 in HF remains uncertain. This study aimed to assess the role of SctO 2 as a risk factor for all-cause mortality and rehospitalisation, as well as to explore the cross-sectional association between physical activ

Alpha-synuclein seed amplification assay longitudinal outcomes in Lewy body disease spectrum

Evidence from neuropathological cohorts indicates that a CSF α-synuclein (α-syn) seed amplification assay (SAA) might provide quantitative kinetic parameters correlating with α-syn pathology burden in patients with Lewy body disease (LBD). Studies are needed to assess their longitudinal trend during the presymptomatic and clinical disease phases and their correlation with measures of disease progr

Human cortical neurons rapidly generated by embryonic stem cell programming integrate into the stroke-injured rat cortex

Stem cell sources capable of producing appropriate cells for replacement will be necessary for functional repair of the injured brain. Here, we have determined whether transcription factor programming of human embryonic stem (hES) cells can be used to generate layer-specific cortical neurons capable of integrating into the stroke-injured rat cortex. Human embryonic stem cells were programmed via o

Utbildning i klimat och hälsa tar form på läkar­utbildningarna

The medical profession plays a crucial role in tackling the health impacts of climate change and in promoting a green transition of society and the health sector. Despite this, opportunities for action are still quite unknown within the profession, and no mandatory education is required in interns' or residents' education. Medical schools, on the contrary, both in Sweden (due to legislation) and a

Three-dimensional cell-cell interactions promote direct reprogramming of patient fibroblasts into functional and transplantable neurons

Direct reprogramming of somatic cells into induced neurons (iNs) has become an attractive strategy for the generation of patient-specific neurons for disease modeling and regenerative neuroscience. To this end, adult human dermal fibroblasts (hDFs) present one of the most relevant cell sources. However, iNs generated from adult hDFs using two-dimensional cultures are difficult to maintain in vitro

Extending the dynamic range and endurance of ferroelectric tunnel junctions by conductance growth control

We use a closed-loop algorithm to accurately program hafnium zirconium oxide (HZO) ferroelectric tunnel junctions (FTJs) to arbitrary chosen target conductance values. The key enabler is suppression of conductance growth. We have identified two different mechanisms contributing to the total conductance of FTJs. By controlling both, we demonstrated an up to threefold increase of the usable conducta

Classification of 5-bit Binary Light Pulse Sequences Using Photoluminescence of Metal Halide Perovskite Memlumors

A memlumor is an innovative neuromorphic luminescent device with a state-dependent photoluminescence quantum yield (PLQY) designed for optical neuromorphic computing applications. Metal halide perovskite memlumors leverage charge trapping and photodoping to modulate the PLQY, making it dependent on the excitation light history. Here, we demonstrate the ability of perovskite memlumors to classify t

Ligand-Engineered All-In-One Cu(I) Iodide Complex Enables Near-Unity Photoluminescence and Advanced 3D X-ray Image Reconstruction

High-performance X-ray detectors are essential for 3D X-ray imaging in computed tomography (CT), but conventional systems require high radiation doses to achieve fine resolution. All-In-One (AIO) Cu(I) halide complexes, capable of forming both ionic and coordinate bonds within a single structure, offer efficient scintillation at lower doses, yet their performance remains limited by nonradiative en

Multi-Level Analog Computing-In-Memory FeFET-based Unit Cell for Deep Learning

This paper shows a FeFET-based analog multi-level unit cell for computing-in-memory applications for Deep Neural Networks (DNN). The FeFET-based unit cell performs input-weight multiplication with a Back-End-Of-Line (BEOL) ferro-electric HZO FeFET device on top of standard 180 nm CMOS circuits. The unit cell works with a feedback mechanism which combines an in-house FeFET device to store weights a