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Membrane Assemblies with Soft Protective Layers : Dense and Gel-Type Polybenzimidazole Membranes and Their Use in Vanadium Redox Flow Batteries

Polybenzimidazole (PBI) membranes show excellent chemical stability and low vanadium crossover in vanadium redox flow batteries (VRFBs), but their high resistance is challenging. This work introduces a concept, membrane assemblies of a highly selective 2 µm thin PBI membrane between two 60 µm thick highly conductive PBI gel membranes, which act as soft protective layers against external mechanical

m2ABQ—a proposed refinement of the modified algorithm-based qualitative classification of osteoporotic vertebral fractures

Summary: Currently, there is no reproducible, widely accepted gold standard to classify osteoporotic vertebral body fractures (OVFs). The purpose of this study is to refine a method with clear rules to classify OVFs for machine learning purposes. The method was found to have moderate interobserver agreement that improved with training. Introduction: The current methods to classify osteoporotic ver

Incidence of melancholic depression by age of onset and gender in the Lundby population, 1947–1997

Whether melancholic depression is a distinct syndrome or not has long been debated. There are few studies providing information about the epidemiology of melancholic depression. In this study, we investigate the incidence rates, overall as well as by gender and age of onset of melancholic depression according to Taylor and Fink and corresponding DSM–IV disorders: major depressive disorder (MDD) wi

Limited gains in native parasitoid performance on an invasive host beyond three generations of selection

Co-evolved natural enemies provide sustainable and long-term control of numerous invasive insect pests, but the introduction of such enemies has declined sharply due to increasing regulations. In the absence of co-evolved natural enemies, native species may attack exotic invasive pests; however, they usually lack adaptations to control novel hosts effectively. We investigated the potential of two

Cervical neoplasia in relation to socioeconomic and demographic factors – a nationwide cohort study (2002–2018)

Introduction: Cervical cancer is a major cause of mortality and morbidity. We aimed to estimate the association between sociodemographic factors and cervical neoplasia. Material and methods: In this Swedish nationwide open cohort study, 4 120 557 women aged ≥15 years at baseline were included between January 1, 2002 and December 31, 2018. The two outcomes were cervical cancer and carcinoma in situ