Sökresultat

Filtyp

Din sökning på "*" gav 533442 sökträffar

Optimal combinations of CSF biomarkers for predicting cognitive decline and clinical conversion in cognitively unimpaired participants and mild cognitive impairment patients : A multi-cohort study

Introduction: Our objective was determining the optimal combinations of cerebrospinal fluid (CSF) biomarkers for predicting disease progression in Alzheimer's disease (AD) and other neurodegenerative diseases. Methods: We included 1,983 participants from three different cohorts with longitudinal cognitive and clinical data, and baseline CSF levels of Aβ42, Aβ40, phosphorylated tau at threonine-181

Carbon uptake in Eurasian boreal forests dominates the high-latitude net ecosystem carbon budget

Arctic-boreal landscapes are experiencing profound warming, along with changes in ecosystem moisture status and disturbance from fire. This region is of global importance in terms of carbon feedbacks to climate, yet the sign (sink or source) and magnitude of the Arctic-boreal carbon budget within recent years remains highly uncertain. Here, we provide new estimates of recent (2003–2015) vegetation

The Chirality-Flow Formalism and Optimising Scattering Amplitudes

This thesis is composed of five papers, which all attempt to optimise calculations of scattering amplitudes in high-energy-physics collisions. These scattering amplitudes are a key part of theoretical predictions for particle-physics experiments like the Large Hadron Collider at CERN. The first four papers are the main topic of the thesis, and describe a novel method called chirality flow. Chirali

Certec : en udda fågel

När LTH hade hunnit ungefär till halvtid, det vill säga för 25 år sedan, uppkom en liten centrumbildning för rehabiliteringsteknik med akronymen ”Certec”. Nu år 2011 ingår Certec i Institutionen för Designvetenskaper med sitt forskarutbildningsämne ”rehabiliteringsteknik” som en av institutionens sju forskningsinriktningar.Namnet ”Certec” behövs alltså inte längre, men det finns kvar som vårt posi

Tinkered care: Assembling Medicine Consumption in Grey Zones

Avhandlingens syfte är att utveckla kunskapen om vård som en situerad praktik såväl inom som utanför den medicinska miljön. Avhandlingen problematiserar fenomenet med förfalskade och illegitima medicinska produkter, vilket är ett problem som angår mellanstatliga organisationer, som exempelvis WHO (Världshälsoorganisationen). Samtidigt som rättsliga sanktioner och teknologisk innovation förespråkasThe aim of this dissertation is to advance knowledge about care as situated practices within and beyond medical institutional settings. It addresses the phenomenon of substandard and falsified medical products, an issue that concerns state governments globally and organisations including the World Health Organization. While legal sanctions and technological innovation are strongly advocated to pro

Successes and shortcomings of phonological accounts of Scandinavian object shift

Object shift (OS) is a word order phenomenon in Scandinavian languages where under some circumstances the object appears before a sentential adverb. Despite the frequent assumptions that word order is determined in syntax, and despite the link of OS and syntactic phenomena like V2, there is no consensus that OS is a syntactic phenomenon. Particularly, it has been observed that OS targets specifica

A comprehensive experimental and kinetic modeling study of di-isobutylene isomers : Part 2

A wide variety of high temperature experimental data obtained in this study complement the data on the oxidation of the two di-isobutylene isomers presented in Part I and offers a basis for an extensive validation of the kinetic model developed in this study. Due to the increasing importance of unimolecular decomposition reactions in high-temperature combustion, we have investigated the di-isobuty

TensorView for MATLAB : Visualizing tensors with Euler angle decoding

TensorView for MATLAB is a GUI-based visualization tool for depicting second-rank Cartesian tensors as surfaces on three-dimensional molecular models. Both ellipsoid and ovaloid tensor display formats are supported, and the software allows for easy conversion of Euler angles from common rotation schemes (active, passive, ZXZ, and ZYZ conventions) with visual feedback. In addition, the software dis

Noninvasive Monitoring of Subsurface Soil Conditions to Evaluate the Efficacy of Mole Drain in Heavy Clay Soils

Soil degradation and low productivity are among the major agricultural problems facing farmers of the newly reclaimed agricultural area in the Nile Delta region, Egypt. High content of clay and silt characterizes the soil texture of all farms in the area, while farmers still rely on the traditional mole drainage (MD) system to reduce the salinity of the farm soil. We present a comparison of innova

Economic Burden of Palmoplantar Pustulosis in Sweden : A Population-based Register Study

The aim of this study was to estimate the economic burden of palmoplantar pustulosis, a chronic relapsing skin condition commonly occurring in combination with psoriasis vulgaris. Using data from the Swedish National Patient Register and Swedish Prescribed Drug Register for 2015, the study estimated all-cause and palmoplantar pustulosis-specific healthcare resource use (inpatient stays, physician

National-Level Analysis of the Impact of Climate Change on Local Scour under Bridge Piers in Sweden

Scour is an important cause of bridge failures. This article investigates the impact of climate change on bridge-pier scour in all 246 Swedish catchment areas. Although a few previous studies assessed the impact of climate change on bridge-pier scour in other countries, none of those studies identified the locations within a certain country where climate change is projected to have the highest imp

Effect of Irrigation Fluid Temperature on Recurrence in the Evacuation of Chronic Subdural Hematoma : A Randomized Clinical Trial

Importance: The effect of a physical property of irrigation fluid (at body vs room temperature) on recurrence rate in the evacuation of chronic subdural hematoma (cSDH) needs further study. Objective: To explore whether irrigation fluid temperature has an influence on cSDH recurrence. Design, Setting, and Participants: This was a multicenter randomized clinical trial performed between March 16, 20