Search results

Filter

Filetype

Your search for "*" yielded 532080 hits

Risk of Appendiceal Malignancy in Conservatively Treated Acute Appendicitis

Purpose/Background: Appendectomy is the standard treatment of acute appendicitis (AA) but conservative treatment has gained success. The need for follow-up after conservatively treated AA is unclear. Hypothesis/Aim: This study evaluates follow-up, recurrence and appendiceal malignancy in conservatively treated AA. Methods/Interventions: This retrospective study included patients with conservativel

Outcomes of in-vitro fertilization after bariatric surgery : a national register-based case-control study

STUDY QUESTION: Does previous bariatric surgery (BS) in women affect cumulative live birth rate in IVF?SUMMARY ANSWER: Women having had BS seem to have the same cumulative live birth rate as non-operated women of the same BMI at IVF treatment.WHAT IS KNOWN ALREADY: Because of the perinatal risks of obesity to mother and infant as well as impaired outcomes of IVF, obese women are advised to reduce

Infertility, pregnancy loss and assisted reproduction in women with asthma : a population-based cohort study

STUDY QUESTION: Is the chance of childbirth, and risk of infertility, pregnancy loss and need for assisted reproduction different for women with asthma compared to women without asthma?SUMMARY ANSWER: Women with asthma had comparable chances of giving birth compared to the reference population, however, their risk of both infertility and pregnancy loss, as well their need for medically assisted re

Quaternized fluorene-based hydroxide exchange membranes and polymers: design, synthesis, and characterization

In modern society, the consumption of fossil fuels has been increasing drastically, leading to significant emissions of carbondioxide (CO2), air pollution, global warming, and political and economic imbalances. This has increased the interest inrenewable and sustainable energy sources such as wind- and hydropower, solar energy, and in energy conversion by fuel celltechnology, and water electrolyse

A/B Testing in the Small

Previous research on A/B testing and continuous experimentation has mostly focused on large-scale settings with company-external customers. However, work efficiency and satisfaction for company coworkers may be highly related to internal tools and their fit-for-use. In this study, we therefore explore A/B testing for online services exclusively used by company co-workers. We A/B tested two version

Near Failure Analysis Using Dynamic Behavioural Data

Automated testing is a safeguard against software regression and provides huge benefits. However, it is yet a challenging subject. Among others, there is a risk that the test cases are too specific, thus making them inefficient. There are many forms of undesirable behaviour that are compatible with a typical program’s specification, that however, harm users. An efficient test should provide most p

Teacher Identity in English-Medium Instruction : Teacher Cognitions from a Danish Tertiary Education Context

Rapid internationalization of European higher education has resulted in a considerable increase in the number of English-medium instruction (EMI) degree programs now implemented at all levels of instruction. While this change of medium provides increased academic opportunities for all university stakeholders, the use of English by non-native speakers for teaching and learning in non-Anglosphere co

Towards a framework to support large scale sampling in software engineering surveys

Context: The low quality and small size of samples in empirical studies in software engineering hamper the interpretation and generalization of their results. Therefore, enlarging sample sizes and improving their quality represent an important research challenge. Goal: We aim to define a conceptual framework, including requirements for establishing adequate sources for sampling subjects in softwar

Experiences of activity monitoring and perceptions of digital support among working individuals with hip and knee osteoarthritis – a focus group study

Background: Mobile health (mHealth), wearable activity trackers (WATs) and other digital solutions could support physical activity (PA) in individuals with hip and knee osteoarthritis (OA), but little is described regarding experiences and perceptions of digital support and the use of WAT to self-monitor PA. Thus, the aim of this study was to explore the experiences of using a WAT to monitor PA an

A novel Bayesian approach for disentangling solar and geomagnetic field influences on the radionuclide production rates

Cosmogenic radionuclide records (e.g., 10Be and 14C) contain information on past geomagnetic dipole moment and solar activity changes. Disentangling these signals is challenging, but can be achieved by using independent reconstructions of the geomagnetic dipole moment. Consequently, solar activity reconstructions are directly influenced by the dipole moment uncertainties. Alternatively, the known

Characterization of the Aquaporin-9 Inhibitor RG100204 In Vitro and in db/db Mice

Aquaporin-9 (AQP9) is a facilitator of glycerol and other small neutral solute transmembrane diffusion. Identification of specific inhibitors for aquaporin family proteins has been difficult, due to high sequence similarity between the 13 human isoforms, and due to the limited channel surface areas that permit inhibitor binding. The few AQP9 inhibitor molecules described to date were not suitable

Semiconductor-ferromagnet-superconductor planar heterostructures for 1D topological superconductivity

Hybrid structures of semiconducting (SM) nanowires, epitaxially grown superconductors (SC), and ferromagnetic-insulator (FI) layers have been explored experimentally and theoretically as alternative platforms for topological superconductivity at zero magnetic field. Here, we analyze a tripartite SM/FI/SC heterostructure but realized in a planar stacking geometry, where the thin FI layer acts as a

Earlier Alzheimer’s disease onset is associated with tau pathology in brain hub regions and facilitated tau spreading

In Alzheimer’s disease (AD), younger symptom onset is associated with accelerated disease progression and tau spreading, yet the mechanisms underlying faster disease manifestation are unknown. To address this, we combined resting-state fMRI and longitudinal tau-PET in two independent samples of controls and biomarker-confirmed AD patients (ADNI/BioFINDER, n = 240/57). Consistent across both sample

Bias correction of GPM IMERG Early Run daily precipitation product using near real-time CPC global measurements

This study focused on improving the performance of the near real-time Integrated Multi-satellitE Retrievals for Global Precipitation Measurement (IMERG) Early Run (IMERG-E) product based on a newly developed bias-correction scheme, LSCDF. The LSCDF was established by integrating the mean-based Linear Scaling (LS) and quantile-mapping Cumulative Distribution Function (CDF) matching approaches. The

A case survey of offshoring–backshoring cases : The influence of contingency factors

This study aims at investigating the influence of contingency factors on the drivers of offshoring and backshoring decision processes. A case survey of existing case studies on backshoring was performed with qualitative comparative analysis (QCA). In total, 43 cases from 16 research papers were analyzed. The results showed that many factors act as contingencies for the backshoring decision, namely

The 2030 Agenda for Sustainable Development : Transformative Change through the Sustainable Development Goals?

The 2030 Agenda of the United Nations comprises 17 Sustainable Development Goals (SDGs) and 169 sub-targets which serve as a global reference point for the transition to sustainability. The agenda acknowledges that different issues such as poverty, hunger, health, education, gender equality, environmental degradation, among others, are intertwined and can therefore only be addressed together. Impl

High diversity of arthropod colour vision : from genes to ecology

Colour vision allows animals to use the information contained in the spectrum of light to control important behavioural decisions such as selection of habitats, food or mates. Among arthropods, the largest animal phylum, we find completely colour-blind species as well as species with up to 40 different opsin genes or more than 10 spectral types of photoreceptors, we find a large diversity of optic

Colour vision in thrips (Thysanoptera)

Insects are an astonishingly successful and diverse group, occupying the gamut of habitats and lifestyle niches. They represent the vast majority of described species and total terrestrial animal biomass on the planet. Their success is in part owed to their sophisticated visual systems, including colour vision, which drive a variety of complex behaviours. However, the majority of research on insec