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A simple model to validate effective waves in random particulate media: radial symmetry

There has not been a satisfying numerical validation of the theory of effective waves in random particulate materials. Validation has been challenging because the theoretical methods for effective waves have been limited to random particulate media in infinite slabs or half-spaces, which require a very large number of particles to perform accurate numerical simulations. This paper offers a solutio

A Boundary Tool for Multi-stakeholder Sustainable Business Model Innovation

Sustainable business model innovation cannot reach its full sustainability potential if it neglects the importance of multi-stakeholder alignment. Several studies emphasize the need for multi-stakeholder collaboration to enable sustainable business model innovation, but few studies offer guidance to companies for engaging in such a collaborative process. Based on the concept of boundary work, this

Interferometric quantum control (IQC) by fs/ns rotational coherent anti-Stokes Raman spectroscopy (RCARS)

A new rotational coherent anti-Stokes Raman spectroscopy (RCARS) concept based on interferometric quantum control (IQC) is demonstrated. Two wavepackets originating from pure rotational states are created by a femtosecond stimulated rotational Raman interaction. The two Raman responses are instantly probed by a single-mode ns pulse generating two interfering RCARS polarizations. The resulting sign

Growing up with dyslexia - Interviews with teenagers and young adults

Interviews with 75 teenagers and young adults were performed to investigate how young people with dyslexia experienced school in terms of well-being, educational achievement, self-esteem, peer relations and belief in their future. Results from earlier studies suggest that secondary emotional problems are common. The first six grades in school were experienced by the interviewees as full of distres

Organic acid behaviour in a calcareous soil implications for rhizosphere nutrient cycling

Calcareous soils are frequently characterized by the low bioavailability of plant nutrients. Consequently, many vascular plant species are unable to successfully colonize calcareous sites and the floristic composition of calcareous and acid silicate soils has been shown to differ markedly. The root exudation of oxalate and citrate has been suggested to play a pivotal role in same nutrient acquisit

Association between nasal and bronchial symptoms in subjects with persistent allergic rhinitis

Background: The association between nasal and bronchial symptoms, and the course of bronchial responsiveness and airway inflammation in house dust mite sensitive persistent rhinitis over a prolonged time period has not been thoroughly explored. Objective: To determine if nasal symptoms were associated with bronchial symptoms in persistent rhinitic subjects, and to assess their bronchial responsive

Patient characteristics associated with quality of life in European women seeking treatment for urinary incontinence: Results from PURE

Objective: To investigate the association between patient characteristics and disease-specific and generic quality of life (QOL) as well as the degree of bother in women seeking treatment for urinary incontinence (UI). Methods: The Prospective Urinary Incontinence Research (PURE) was a 6-mo observational study with 1055 physicians from 15 European countries enrolling 9487 women. QOL was assessed a

Glutathione levels are reduced in diabetic rat retina but are not influenced by ischemia followed by recirculation

Free radicals have recently been proposed to play a role in the development of diabetic retinopathy. The aim of the present study was to examine whether the abnormal metabolism caused by diabetes and by ischemia followed by recirculation interferes with a free radical enzyme defense system in the retina, ie, glutathione. Diabetes mellitus was induced by injecting streptozotocin ([STZ] 60 mg/kg bod

The use of CRP tests in patients with respiratory tract infections in primary care in Sweden can be questioned

A diagnosis-antibiotic prescribing study was performed in 5 counties in Sweden during 1 week in November in 2000 and 2002 respectively. As a part of the study, the use and results of C-reactive protein (CRP) tests in relation to duration of symptoms and antibiotic prescribing in 6778 patients assigned a diagnosis of respiratory tract infections were analysed. In almost half (42%) of the patients,

What’s important? Making what is valuable and worth protecting explicit when performing risk and vulnerability analyses

Values and opinions about what is valuable, are of centralimportance in risk and vulnerability analyses. Yet what is considered valuableis seldom explicitly established. The aim of this study is to explore what groupsof civil servants express as valuable and worth protecting when performing riskand vulnerability analyses in their organisations and to discuss the underlyingreasons for their stipula

Using Double Helix Relationships to Understand and Change Informing Systems

The paper opens by generalizing the concept of 'informing science'. It then introduces some meta-scientific perspectives and a discussion of a metaphor that has considerable explanatory power. Two main schools of metascience are presented and contrasted. The difference between treating invariances in natural sciences and in social and cultural sciences is discussed. The double helix is introduced

Improved MALDI-TOF-MS analysis of partially depolymerised methyl cellulose by reducing end derivatisation

The depolymerized methyl cellulose was analyzed, using improved MALDI-TOF-MS by reducing the end derivatization. The methyl cellulose was depolymerized to give methylated oligo-(1->4)-β-D-anhydroglucoses (M-oligo-AG). To reduce the errors during measurement of degree of substitution (DS), M-oligo-AG was derivatized with Girard's T reagent performed on an equimolar mixture of maltooligosaccharides.

Treatment for retinopathy of prematurity in Sweden 2008–2021 : Reduced gestational age of treated infants and remaining differences in treatment type and recurrence rates between hospitals

Purpose: This study aimed to investigate various aspects of treatment for retinopathy of prematurity (ROP) in Sweden over the past 14 years, nationally and at a hospital level. Methods: Data on screening and treatment for ROP in infants born in Sweden from 2008 to 2021 were extracted from the national ROP register, SWEDROP. During this period, Swedish screening guidelines were reduced from gestati

DETERRENCE BY DENIAL AND RESILIENCE BUILDING

Deterrence and resilience are intimately connected. Deterrence is about understanding threats and using levers that might force an adversary to reconsider their objectives and actions against you. Resilience is about understanding yourself and the measures you can take to become a less attractive target, or to bounce back more quickly from a setback. This combination of deterrence and resilience h

Pretreatment of Lignocellulosic Materials for Efficient Bioethanol Production

Second-generation bioethanol produced from various lignocellulosic materials, such as wood, agricultural or forest residues, has the potential to be a valuable substitute for, or a complement to, gasoline. One of the crucial steps in the ethanol production is the hydrolysis of the hemicellulose and cellulose to monomer sugars. The most promising method for hydrolysis of cellulose to glucose is by