62 research outputs found
A Study of Overall Tribological Problems in Developing R407c Rotary Compressor with Polyolester Oils
Interfacing topological insulators and ferrimagnets: BiTe and FeO heterostructures grown by molecular beam epitaxy
Relying on the magnetism induced by the proximity effect in heterostructures
of topological insulators and magnetic insulators is one of the promising
routes to achieve the quantum anomalous Hall effect. Here we investigate
heterostructures of BiTe and FeO. By growing two different
types of heterostructures by molecular beam epitaxy, FeO on
BiTe and BiTe on FeO, we explore differences in
chemical stability, crystalline quality, electronic structure, and transport
properties. We find the heterostructure BiTe on FeO to be a
more viable approach, with transport signatures in agreement with a gap opening
in the topological surface states.Comment: accepted for publication in APL Material
Hand osteoarthritis: clinical phenotypes, molecular mechanisms and disease management
Osteoarthritis (OA) is a highly prevalent condition and the hand is the most commonly affected site. Patients with hand OA frequently report symptoms of pain, functional limitations, and frustration in undertaking everyday activities. The condition presents clinically with changes to the bone, ligaments, cartilage and synovial tissue, which can be observed using radiography, ultrasonography or MRI. Hand OA is a heterogeneous disorder and is considered to be multifactorial in aetiology. This review provides an overview of the epidemiology, presentation and burden of hand OA, including an update on hand OA imaging (including the development of novel techniques), disease mechanisms and management. In particular, areas for which new evidence has substantially changed the way we understand, consider and treat hand OA are highlighted. For example, genetic studies, clinical trials and careful prospective imaging studies from the past 5 years are beginning to provide insights into the pathogenesis of hand OA that might uncover new therapeutic targets in disease
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