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Protein binding on acutely toxic and non-toxic polystyrene nanoparticles during filtration by Daphnia magna

Nanomaterials can adsorb biomolecules to their surface and form a protein corona. Here we investigated the protein profile bound to different sizes of aminated and carboxylated polystyrene (PS) nanoparticles after passing through the digestive tract of the freshwater zooplankter Daphnia magna. We found that acutely toxic aminated 53 nm PS nanoparticles bind a different set of proteins compared to

Kynurenine/tryptophan ratio for detection of active tuberculosis in adults with HIV prior to antiretroviral therapy

Objective: The aim of this study was to assess the performance of kynurenine/tryptophan ratio for tuberculosis (TB) case-finding among antiretroviral therapy (ART)-naive people with HIV (PWH), and to investigate other factors associated with kynurenine/tryptophan ratio in this population. Design: A nested case-control study based on a cohort of 812 ambulatory PWH in the Oromia region, Ethiopia. Me

Emphysema severity index (ESI) associated with respiratory death in a large Swedish general population

Recently, it has been shown and validated that presence and severity of emphysema on computed tomography could be estimated by a novel spirometry based index, the emphysema severity index (ESI). However, the clinical relevance of the index has not been established. We conducted cox-regression analyses with adjustment for age, smoking, sex, forced expiratory volume in 1 s (FEV1) and forced vital ca

Air pollution and biomarkers of cardiovascular disease and inflammation in the Malmö Diet and Cancer cohort

Introduction: Air pollution is associated with increased risk of cardiovascular disease, possibly through chronic systemic inflammation that promotes the progression of atherosclerosis and the risk of cardiovascular events. This study aimed to investigate the associations between air pollution and established biomarkers of inflammation and cardiovascular disease. Methods: The Cardiovascular Subcoh

Effect of encapsulated protein on the dynamics of lipid sponge phase: a neutron spin echo and molecular dynamics simulation study

Lipid membranes are highly mobile systems with hierarchical, time and length scale dependent, collective motions including thickness fluctuations, undulations, and topological membrane changes, which play an important role in membrane interactions. In this work we have characterised the effect of encapsulating two industrially important enzymes, β-galactosidase and aspartic protease, in lipid spon

A risk score based on real-world data to predict early death in acute promyelocytic leukemia

With increasingly effective treatments, early death (ED) has become the predominant reason for therapeutic failure in patients with acute promyelocytic leukemia (APL). To better prevent ED, patients with high-risk of ED must be identified. Our aim was to develop a score that predicts the risk of ED in a real-life setting. We used APL patients in the population-based Swedish AML Registry (n=301) an

BLOOD PRESSURE ADAPTATIONS AND ARTERIAL STIFFNESS IN THE GENERAL POPULATION

Objective: Arterial stiffness is independently associated with orthostatic hypotension (OH) in older individuals. The relationship between orthostatic blood pressure (BP) and arterial stiffness has not been thoroughly examined in the younger population. To investigate the relationship between orthostatic BP adaptations, central aortic hemodynamics, and arterial stiffness in the general population

Improved Melatonin Dissolution Properties : A Way Forward for Treating Children with Sleep Disorders

Sleep problems, in particular the difficulty in initiating and maintaining sleep are important comorbidities in children and adolescents with attention deficit hyperactivity disorder (ADHD), accompanied by a range of negative consequences for both patients and their caregivers. Melatonin, a naturally occurring hormone that is important for coordinating the body's sleep-wake cycle, has been used to

Electrical and Structural Properties of Si1−xGex Nanowires Prepared from a Single-Source Precursor

Si1−xGex nanowires (NWs) were prepared by gold-supported chemical vapor deposition (CVD) using a single-source precursor with preformed Si–Ge bonds. Besides the tamed reactivity of the precursor, the approach reduces the process parameters associated with the control of decomposition characteristics and the dosing of individual precursors. The group IV alloy NWs are single crystalline with a const

Structure and anisotropic dynamics of stimuli responsive colloidal ellipsoids at the nearest neighbor length scale

Stimuli-responsive self-assembly of (an) isotropic colloids has resulted in a plethora of self-assembled structures with potential applications in fabricating smart materials. A lack of detailed understanding of the interplay between these self-assembled structures and the resulting dynamics has often impeded the exploitation of their full potential. Herein, we have unveiled the relationship betwe

Epidemiology and time trends of distal forearm fractures in adults - a study of 11.2 million person-years in Sweden

Background: A distal forearm fracture is a very common injury causing both suffering and substantial health care costs. The incidence of this fracture type seemed to increase worldwide until the middle 1980’s, but thereafter most reports have shown stable or decreasing rates. As few large studies have been presented lately we aimed to describe recent epidemiology and time trends of distal forearm

Rare Variant Analysis of Human and Rodent Obesity Genes in Individuals with Severe Childhood Obesity

Obesity is a genetically heterogeneous disorder. Using targeted and whole-exome sequencing, we studied 32 human and 87 rodent obesity genes in 2,548 severely obese children and 1,117 controls. We identified 52 variants contributing to obesity in 2% of cases including multiple novel variants in GNAS, which were sometimes found with accelerated growth rather than short stature as described previousl

Dynamic high-sensitivity troponin elevations in atrial fibrillation patients might not be associated with significant coronary artery disease

Background: Since the introduction of high-sensitivity troponin assays a greater proportion of atrial fibrillation (AF) patients present with dynamic troponin elevations. We hypothesize that significant coronary artery disease (CAD) causes relative ischemia in the setting of a rapid heart rate resulting in dynamic troponin elevation. The aim of this study was to examine if patients without known C

Prediction of treatment response in patients with newly diagnosed type 2 diabetes : The Skaraborg diabetes register

Aims: Type 2 diabetes is associated with cardiovascular complications. It is largely unknown which patients have poor treatment response and high complication risk; biomarkers are studied for this purpose. The aim of the study was to investigate the association between clinical factors such as HbA1c, level of biomarkers (C-peptide, copeptin) at diagnosis and changes in HbA1c, blood pressure or bod

Entanglement generation using single-photon pulse reflection in realistic networks

A general entanglement generation protocol between remote stationary qubits using single-photon reflection in a photonic network is explored theoretically. The nodes of the network consist of single qubits that are typically represented by the spin of a color center, each localized in a separate optical cavity and linked to other nodes via photonic links such as optical fibers. We derive a model a

Autoimmune diseases and the risk and prognosis of latent autoimmune diabetes in adults

Aims/hypothesis: The aim of this study was to clarify the impact of autoimmune disease (AD) comorbidity on the risk and prognosis of latent autoimmune diabetes in adults (LADA). Methods: We used data from a Swedish study comprising newly diagnosed cases of LADA (n=586, stratified into LADAlow and LADAhigh by autoantibody levels), type 2 diabetes (n=2003) and matched control participants (n=2355).

Solving Exact Cover Instances with Molecular-Motor-Powered Network-Based Biocomputation

Information processing by traditional, serial electronic processors consumes an ever-increasing part of the global electricity supply. An alternative, highly energy efficient, parallel computing paradigm is network-based biocomputation (NBC). In NBC a given combinatorial problem is encoded into a nanofabricated, modular network. Parallel exploration of the network by a very large number of indepen

Hand function 6 weeks following non-surgically treated proximal phalangeal fractures and factors associated to upper extremity disability

Purpose: To describe hand function, and investigate adherence to a rehabilitation protocol and factors associated with upper extremity disability in non-surgically treated proximal phalangeal fractures. Material and methods: In a prospective cohort study, 86 patients (58 women, mean age of 49 years) were assessed at cast removal and 6 weeks follow-up. Adherence was registered in a diary. Factors p