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We have investigated crystal structure, chemical bonding, and electronic properties of the compounds Bi2Se3, BiSe, Bi4Se3, and Bi2Se by first-principles calculations within the density functional theory. The compounds are members of a general series of stacks (Bi2Se3)m(Bi2)n composed of five-layer blocks Se-Bi-Se-Bi-Se and two-layer blocks Bi-Bi. Both types of blocks can be considered as closed-sh

Hydrodynamic drag forces generated by liquid flow above a supported lipid bilayer (SLB) can be used to induce lateral movement of molecules protruding from the SLB. Since the velocity of the individual molecules depends on their size and coupling to the lipid bilayer, these forces can also be used to enrich and separate different types of membrane-bound molecules. To improve and better quantify hy

Air pollution is responsible for one in eight premature deaths worldwide, and thereby a major threat to human health. Health impact assessments of hypothetic changes in air pollution concentrations can be used as a mean of assessing the health impacts of policy, plans and projects, and support decision-makers in choices to prevent disease. The aim of this study was to estimate health impacts attri

ABSTRACT: Victims of homicide and attempted homicide are not uncommon in Sweden. We therefore aimed to study these victims to understand their injuries, their cause of death, and their relationship to the offender. All cases during five years in a district court in Sweden, where an offender had been convicted for homicide or attempted homicide, were identified and the court documents reviewed. Nin

The building permission process is to a large extent an analogue process where much information is handled in paper format or as pdf files. With the ongoing digitalisation in society, there is a potential to automate this process by integrating Building Information Models (BIM) of planned buildings and geospatial data to check if a building conforms to the building permission regulations. In this

Att bli förälder är en stor livsomställning och föräldrars upplevelse av första tiden efter att barnet fötts påverkas bland annat av den information och förberedelse de får under graviditeten. Depression efter förlossningen drabbar cirka 10 % av alla föräldrar, något som även kan påverka anknytningen till barnet och därigenom barnets hälsa och utveckling. Tidigare forskning har visat att nyblivna Parents often feel inadequately prepared for challenges of early parenthood. This thesis aimed to develop an evidence-based programme for antenatal preparation for early parenthood and to test its feasibility. The Medical Research Council’s framework for development and evaluation of complex interventions was used to design the three studies.Interviews were conducted with first-time parents; 18 mo

PTSD or Post Traumatic Stress Disorder (or, earlier, Syndrome) covers a great variety of symptoms which develop in a variety of contexts – accidents, natural disasters, terrorist attacks, wars and other events where people come face to face with violence and death. PTSD was included in the third edition of the Diagnostic and Statistical Manual of Mental Disorders, DSM-III, during the early 1980s.

It is well known that WLAN based on the IEEE 802.11 standard suffers from interference and scalability problems due to a limited number of non-overlapping channels. In order to mitigate the interference problem, channel assignment algorithms have been a popular research topic in recent years. It has been shown that such algorithms can greatly reduce the interference among wireless access points. H

The Guiding Principles on Business and Human Rights (‘GPs’) were unanimously endorsed in 2011 in the UN Human Rights Council and also recorded an unprecedented level of stakeholder support. Does this watershed signify a genuine convergence of expectations? Is the GPs’ conceptualization of the corporate ‘responsibility to respect’ (RtR) truly able to persuade and provide that focal point around whi

INTRODUCTION Despite preeclampsia being one of the most severe obstetrical complications there is only scant research describing women's experiences of preeclampsia. The aim of this study was to explore women's experience during pregnancy and the postpartum period regarding the provided information and care concerning preeclampsia. METHODS A qualitative study was designed. Semi-structured face-to-

Activism against sexual violence was one of the Egyptian Revolution’s most significant mobilising forces, but the country’s return to authoritarian rule has circumvented possibilities for organising and carrying out political resistance, including activism against sexual harassment. This article shows that despite this political oppression, young feminists continue to raise their voices and organi

Health complaints are increasing among adolescents and are recognized as a global public health issue. Health complaints are an indicator for subjective ill-being, but little is known about the relationship between sadness and other health complaints. The aim of this study was to investigate sadness and other health complaints among Swedish adolescents. A survey with a cross-sectional design was c

This study, based on a systematic literature review, aims to identify and analyze selected control mechanisms when project success criteria operationalize. The main theoretical contribution of this study involves identifying the dimension of control mechanisms in success criteria operationalization. The most easily identified control mechanisms in the data material were output control mechanisms,

Research centers represent a specific organizational format for linking the traditional university organization with external actors, goals, and processes in time-limited, concentrated efforts of research and collaboration. Yet, the center format contains large variations, and centers act as interfaces between university organizations, societal actors, and research funders in multifaceted ways. In

Background: Early substitution of calcineurin inhibitor (CNI) with mammalian target of rapamycin inhibitors has been shown to improve kidney function and reduce intimal hyperplasia in heart transplant (HTx) recipients but data on long-term outcome of such a regime are still sparse. Methods: In the SCHEDULE trial, 115 de novo HTx recipients were randomized to (1) everolimus with reduced exposure of

Supported lipid bilayers (SLBs), formed via lipid vesicle adsorption on highly curved silica surfaces, are widely used in biosensor applications and as models for curved cell membranes. However, SLB formation is often hindered on convex structures with radii comparable to the vesicles. In this study, lightguiding semiconductor nanowires (NWs), engineered for fluorescence signal enhancement, were u

This study aimed to examine the relatives' crisis associated with war-related experiences and the effect of the disappearance of family members during the Kosovo War. Based on the purpose of the study questions were formulated to find out the impact of the war’s events, the support relatives received to handle their everyday life, and the opportunity to process their crisis response. The crisi