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Periprosthetic low-grade hip infections. Erythrocyte sedimentation rate and C-reactive protein in 23 cases

We followed 23 patients from the primary total hip arthroplasty to revision for a bacteriologically proven deep infection with a low virulent organism. The median time to revision was 14 (4-65) months. During this period, the maximum ESR value was median 50 (22-110) mm and the maximum CRP value was 35 (9-95) mg/L. 25 of the 98 CRP values recorded were normal (< 9 mg/L) and 22/89 ESR values were be

Helping students to learn without teachers present

Surveys of students’ and teachers’ experiences at the Department of Geology, Lund University, have shown a need and wish among students to get, for example, more practice in using and understanding geological terminology and to understand the context of different features. Among teachers a common problem is (too) limited time per student to always give meaningful feedback and support. Learning mat

Changes in pyruvate dehydrogenase complex activity during and following severe insulin-induced hypoglycemia

The effect of severe insulin-induced hypoglycemia on the activity of the pyruvate dehydrogenase enzyme complex (PDHC) was investigated in homogenates of frozen rat cerebral cortex during burst suppression EEG, after 10, 30, and 60 min of isoelectric EEG, and after 30 and 180 min and 24 h of recovery following 30 min of hypoglycemic coma. Changes in PDHC activity were correlated to levels of labile

Early Cambrian Syenite and Monzonite Magmatism in the Southeast of the East European Platform : Petrogenesis and Tectonic Setting

Abstract—The paper reports new geochronological, petrological, and isotope-geochemical data on the syenites and alkali syenites of the Artyushki massif, and the monzonites of the Gusikha massif. These massifs are located along the southwestern and northeastern margins of the Pachelma aulacogen, in the southeastern part of the East European Platform (EEP). They have Early Cambrian ages of 524 ± 3 (

Online Learning and Placement Algorithms for Efficient Delivery of User Generated Contents in Telco-CDNs

User generated content (UGC) makes up a significant portion of Internet traffic. As opposed to other content, UGC has so far been left outside over-the-top providing network operators content distribution networks (telco-CDN) due to the difficulty in determining optimised placement of such content. The side effect of this is that UGC content is not placed close to end users and therefore occupy un

Theoretical insights into the aerobic hydrogenase activity of molybdenum-copper CO dehydrogenase

The Mo/Cu-dependent CO dehydrogenase from O. carboxidovorans is an enzyme that is able to catalyse CO oxidation to CO2; moreover, it also expresses hydrogenase activity, as it is able to oxidize H2. Here, we have studied the dihydrogen oxidation catalysis by this enzyme using QM/MM calculations. Our results indicate that the equatorial oxo ligand of Mo is the best suited base for catalysis. Moreov

Optimised expression and purification of recombinant human indoleamine 2,3-dioxygenase

The hemoprotein indoleamine 2,3-dioxygenase (IDO) is the first and rate-limiting enzyme in mammalian tryptophan metabolism. It has received considerable attention in recent years, particularly due to its role in the pathogenesis of many diseases. Here, we report attempts to improve soluble expression and purification of hexahistidyl-tagged recombinant human IDO from Escherichia coli (EC538, pREP4,

Atmospheric CO2 inversions on the mesoscale using data-driven prior uncertainties : quantification of the European terrestrial CO2 fluxes

Optimized biogenic carbon fluxes for Europe wereestimated from high-resolution regional-scale inversions, uti-lizing atmospheric CO2measurements at 16 stations for theyear 2007. Additional sensitivity tests with different data-driven error structures were performed. As the atmosphericnetwork is rather sparse and consequently contains large spa-tial gaps, we use a priori biospheric fluxes to furthe

Sampling frequency affects the processing of ActiGraph raw acceleration data to activity counts.

ActiGraph acceleration data are processed through several steps (including bandpass filtering to attenuate unwanted signal frequencies) to generate the activity counts commonly used in physical activity research. We performed three experiments to investigate the effect of sampling frequency on the generation of activity counts. Ideal acceleration signals were produced in the MATLAB software. There

The role of the rhabdosphincter in female rat voiding

Objectves To obtain information on the mechanisms of female rat micturition using a model in which pressure was measured in the bladder and distal part of the urethra corresponding to the location of the rhabdosphincter, providing information on the role of the sphincter in opening and closing the urethral lumen. Materials and Methods A micturition reflex was induced in adult anaesthetized (chlora

Benchmarking combined biological phosphorus and nitrogen removal wastewater treatment processes

This paper describes the implementation of a simulation benchmark for studying the influence of control strategy implementations on combined nitrogen and phosphorus removal processes in a biological wastewater treatment plant. The presented simulation benchmark plant and its performance criteria are to a large extent based on the already existing nitrogen removal simulation benchmark. The paper il

A microarray for large-scale genomic and transcriptional analyses of the zebra finch (Taeniopygia guttata) and other passerines

The microarray technology has revolutionized biological research in the last decade. By monitoring the expression of many genes simultaneously, microarrays can elucidate gene function, as well as scan entire genomes for candidate genes encoding complex traits. However, because of high costs of sequencing and design, microarrays have largely been restricted to a few model species. Cross-species mic

Airway closure in anesthetized infants and children: influence of inspiratory pressures and volumes

Background: Cyclic opening and closing of lung units during tidal breathing may be an important cause of iatrogenic lung injury. We hypothesized that airway closure is uncommon in children with healthy lungs when inspiratory pressures are kept low, but paradoxically may occur when inspiratory pressures are increased. Methods: Elastic equilibrium volume (EEV) and closing capacity (CC) were measured

Front- and backstage in "social media"

Excessive generosity with information about one's private life or the private lives of others, known as ”oversharing”, appears to be an oft-noted phenomenon in the context of ”new” media. I have previously studied this phenomenon in connection with mobile phone conversations in public places. After having eavesdropped on, or maybe rather overheard, such conversations more systematically, I offered

The effects of user interface designs on lighting use

PurposeThe purpose of this paper is to differentiate human responses to different light switch designs to determine the effects of these common interfaces on user perceptions and use of electric lighting in public buildings.Design/methodology/approachEmpirical studies were conducted to assess and examine user perceptions with regard to design characteristics of light switches, and occupants’ use o

The Impact of Academia on the Dynamics of Innovation Systems : Capturing and explaining utilities stemming from academic research and development

The notion that academic research creates societal benefits is widely recognised. However, there are varying perceptions of what such benefits may include, and diverse ideas regarding the ways in which they are created. Some research policy actors expect academic research to generate tangible and direct outputs related to commercialisation, such as spin‐off companies, patents and licences. Others

Mortaliteten hos svårt njursjuka var hög under covid 19-pandemin

Data from the Swedish Renal Registry (SRR) show that during the period March 16, 2020 to March 15, 2021 0.4% of all renal transplant recipients and 3% of all dialysis patients died due to COVID-19 in Sweden. Of all registered deaths, 20% were attributed to COVID-19. In the age group 50-59 years the risk ratio for COVID-19 related mortality was 16 (95% CI 6.5-38) among transplant recipients and 22

Predicting wear mechanisms of ultra-hard tooling in machining Ti6Al4V by diffusion couples and simulation

Conventional cemented carbide is recommended for machining Ti6Al4V. However, polycrystalline diamond (PCD) and polycrystalline cubic boron nitride (pcBN) also show promise. Demands for higher productivity accelerate diffusional dissolution and chemically driven wear mechanisms in these tool materials. This study investigates active wear mechanisms by studying the interactions between Ti6Al4V and P

A new, faint population of X-ray transients

We report on the detection of a remarkable new fast high-energy transient found in the Chandra Deep Field-South, robustly associated with a faint (mR = 27.5mag, zph ~2.2) host in the CANDELS survey. The X-ray event is comprised of 115+12 -11 net 0.3-7.0 keV counts, with a light curve characterized by an ~100 s rise time, a peak 0.3-10 keV flux of ~5 × 10-12 erg s-1 cm-2 and a power-law decay time