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Free-Energy Landscape and Rate Estimation of the Aromatic Ring Flips in Basic Pancreatic Trypsin Inhibitors Using Metadynamics

Aromatic side chains (phenylalanine and tyrosine) of a protein flip by 180° around the Cβ-Cγ axis (χ2 dihedral of the side chain), producing two symmetry-equivalent states. The study of ring flip dynamics with nuclear magnetic resonance (NMR) experiments helps to understand local conformational fluctuations. Ring flips are categorized as slow (milliseconds and onward) or fast (nanoseconds to near

Mitigating the effects of climate change in children’s outdoor play environments

Background: For many children, public playgrounds represent environments that are playful and important in developing good health. Without efforts to facilitate climate change adaptation of outdoor playgrounds there may be a negative impact on children's health and well-being.Aim: With a special focus on play value, to explore the reasoning and described strategies among professionals responsible

Social Media and Development: Understanding NGO practices and perceptions

The goal of this study is to identify the perspectives that development NGOs attribute to organisational social media, and furthermore elaborate on an appropriate categorisation of these perspectives for social media use by development NGOs. How social media is used in the area of development, where the use goes far beyond the private sector purpose of publicity and converting a sale, is a key iss

Acoustic trapping based high throughput isolation and characterization of pathogen activated platelet derived extracellular vesicles from plasma

We present the use of a high capacity and high throughput acoustic trapping platform for phenotypic characterization and functional studies of extracellular vesicles (EVs) from pathogen activated platelets. Platelet rich plasma was stimulated with bacterial M1 protein isolated from S. Pyogenes, which is known to activate platelets. The subsequently released platelet EVs were isolated from 400 μL p

Survival and causes of death in adults with spina bifida in Sweden : a population-based case-control study

OBJECTIVE: To analyse survival rates and causes of death in adults with spina bifida in Sweden compared with a matched control group.DESIGN AND METHODS: This population-based study included 11,900 adults born between 1950 and 1997. Three national Swedish registers were used to identify individuals with a diagnosis of spina bifida and a matched control group without spina bifida in the period 1990-

Identical bands in superdeformed nuclei

Using the configuration constrained, cranked Nilsson-Strutinsky model, we point to a mechanism that could explain why identical bands are much more likely to occur in superdeformed than in normal-deformed nuclei. The role of the high-N orbitals in the superdeformed configuration is stressed, and correlated with the observed peaks in the fractional change distribution of the script J sign(2) moment

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Collective motion and deformed shell structure in the doubly even fp shell nuclei

The effects of deformed shell structure on the potential energies of the doubly even fp shell nuclei are determined by the macroscopic-microscopic method. The calculated potentials are incorporated in the Bohr Hamiltonian for collective quadrupole motion, and the resulting excitation spectra are compared with experimental data.

Sex steroid levels in corresponding cerebrospinal fluid and serum samples quantified by mass spectrometry in men

OBJECTIVE: Sex steroids exert important biological functions within the central nervous system (CNS), but the underlying mechanisms are poorly understood. The contribution of circulating sex steroids to the levels in CNS tissue and cerebrospinal fluid (CSF) has been sparsely investigated in human and with inconclusive results. This could partly be due to lack of sensitive validated assays. To addr

Isolated Attosecond Pulse Generation Driven by Spatio-Temporal Pulse Reshaping in a Semi-infinite Gas Cell

High-order harmonic generation (HHG) is an ubiquitous tool of great interest in many fields of research from imaging to ultrafast spectroscopy [1]. In its most common implementation, an intense (≈ 1014 W/cm2) infrared (IR) pulse is focused on a noble gas target yielding a train of attosecond pulses in the extreme ultraviolet (XUV) spectral region. By adopting proper strategies and target geometrie

Bacteraemia caused by non-faecalis and non-faecium Enterococcus species—a retrospective study of incidence, focus of infection, and prognosis

Background/aim: Enterococcus faecalis and Enterococcus faecium cause human infections including bacteraemia and infective endocarditis (IE). Only few studies describing non-faecalis and non-faecium Enterococcus (NFE) infections have been conducted. We aimed to describe the incidence, prognosis, and focus of infection of bacteraemia with NFE. Methods: This retrospective population-based study inclu

III-V nanowire based neuromorphic nanophotonic circuits

Combining highly efficient nanophotonic structures into artificial neural networks hold significant promise for superior hardware solutions [1]. Well-defined circuit architectures and concepts, with limited size and clear functionality are useful to develop and verify such novel concepts. Insects are capable of amazing autonomous feats well beyond current computers, such as navigating across hundr

Psychometric Exploration of the Swedish Translation of the Sexual Orientation Microaggressions Scale (SOMS), and a Commentary on the Validity of the Construct of Microaggressions

The aim of the present study was to assess the psychometric properties of a Swedish translation of the Sexual Orientation Microaggressions Scale (SOMS) in a convenience sample of 267 Swedish LGB+ people (Mean age = 36.41). Testing suggested some strengths in terms of factor structure and 2-week test-retest reliability (ICC > .79). Also, internal consistency (α = .80–.91) and convergent validity we

Characteristics and Outcomes of Patients Receiving a Second Rescue Valve During Transcatheter Aortic Valve Implantation

Background: Transcatheter aortic valve implantation (TAVI) has become a safe procedure. However, complications occur, including uncommon complications such as valve malposition, which requires the implantation of an additional rescue valve (rescue-AV). The aim was to study the occurrence and outcomes of rescue-AV in a nationwide registry. Methods: The Swedish national TAVI registry was used as the