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Evaluation of selective broadcast algorithms for safety applications in vehicular ad hoc networks
Just as the wireless communication technology develops further to achieve higher performance, new application areas emerge to challenge its limits. Vehicular ad hoc networks are one of these areas; and emergency situation warning is one of their most popular potential applications since traffic safety is a real concern for everyone. Due to the life-critical nature of emergency applications, howeve
Personal grievance sharing, frame alignment, and hybrid organisational structures: the role of social media in North Africa’s 2011 uprisings
The paper develops an analytical framework for understanding the role of social media in the 2011 North African uprisings. It argues that analysis of the role of Facebook, Twitter, and other social media tools should be broken down into two distinct phases: a pre-mobilisation phase and a collective action phase. Using frame analysis and the notion of connective action, the paper demonstrates that
Secondary organic aerosol formation from gasoline passenger vehicle emissions investigated in a smog chamber
Gasoline vehicles have elevated emissions of volatile organic compounds during coldstarts and idling and have recently been pointed out as potentially the main sourceof anthropogenic secondary organic aerosol (SOA) in megacities. However, there is5 a lack of laboratory studies to systematically investigate SOA formation in real-worldexhaust. In this study, SOA formation from pure aromatic precurso
Adsorption of Lipid Liquid Crystalline Nanoparticles: Effects of Particle Composition, Internal Structure, and Phase Behavior
Controlling the interfacial behavior and properties of lipid liquid crystalline nanoparticles (LCNPs) at surfaces is essential for their application for preparing functional surface coatings as well as understanding some aspects of their properties as drug delivery vehicles. Here we have studied a LCNP system formed by mixing soy phosphatidylcholine (SPC), forming liquid crystalline lamellar Struc
HIF-2α Expression Is Suppressed in SCLC Cells, Which Survive in Moderate and Severe Hypoxia When HIF-1α Is Repressed.
Small cell lung carcinoma (SCLC) is extremely aggressive and frequently metastasizes widely in its early stage. Because tumor hypoxia is related to aggressive tumor behavior and the hypoxic adaptation of SCLC is poorly documented, we stained SCLC tumors arranged in a tissue microarray for hypoxia-inducible factor (HIF)-1α and HIF-2α proteins. We found an overall lack of HIF-2α protein expression,
Health policy evolution in Lao People’s Democratic Republic: Context, processes and agency
Abstract in UndeterminedDuring the last 20 years Lao People's Democratic Republic has successfully developed and adopted some 30 health policies, strategies, decrees and laws in the field of health. Still, the implementation process remains arduous. This article aims at discussing challenges of health policy development and effective implementation by contextualizing the policy evolution over time
SOFC Cell Design Optimization Using the Finite Element Method Based CFD Approach
Fuel cells are hopeful for future energy systems, because they are energy efficient and able to use renewable fuels. A coupled computational fluid dynamics approach based on the finite element method, in three-dimensions, is used to illustrate a planar intermediate-temperature solid oxide fuel cell. Governing equations for momentum, gas-phase species, heat, electron and ion transport are implement
On Friendship Between Online Equals
There is an ongoing debate about the value of virtual friendship. In contrast to previous authorships, this paper argues that virtual friendship can have independent value. It is argued that within an Aristotelian framework, some friendships that are prehaps impossible offline can exist online, i.e. some offline unequals can be online equals and thus form friendships of independent value.
The feasibility of an expanded regime on the use of force: the case of the responsibility to protect
Copoly(arylene ether nitrile) and Copoly(arylene ether sulfone) lonomers with Pendant Sulfobenzoyl Groups for Proton Conducting Fuel Cell Membranes
Three series of fully aromatic ionomers with naphthalene moieties and pendant sulfobenzoyl side chains were prepared via K2CO3 mediated nucleophilic aromatic substitution reactions. The first series consisted of poly(arylene ether)s prepared by polycondensations of 2,6-difluoro-2'-sulfobenzophenone (DFSBP) and 2,6-dihydroxynaphthalene or 2,7-dihydroxynaphthalene (2,7-DHN). In the second series, co
Dissociative double-photoionization of butadiene in the 25-45 eV energy range using 3-D multi-coincidence ion momentum imaging spectrometry
Dissociative double-photoionization of butadiene in the 25-45 eV energy range has been studied with tunable synchrotron radiation using full three-dimensional ion momentum imaging. Using ab initio calculations, the electronic states of the molecular dication below 33 eV are identified. The results of the measurement and calculation show that double ionization from π orbitals selectively triggers t
Common variation at PPARGC1A/B and change in body composition and metabolic traits following preventive interventions: the Diabetes Prevention Program.
PPARGC1A and PPARGCB encode transcriptional coactivators that regulate numerous metabolic processes. We tested associations and treatment (i.e. metformin or lifestyle modification) interactions with metabolic traits in the Diabetes Prevention Program, a randomised controlled trial in persons at high risk of type 2 diabetes.
Smoking and Long-Term Risk of Type 2 Diabetes: The EPIC-InterAct Study in European Populations.
The aims of this study were to investigate the association between smoking and incident type 2 diabetes, accounting for a large number of potential confounding factors, and to explore potential effect modifiers and intermediate factors.
Image schemas, mimetic schemas, and children’s gestures
Mimetic schemas, unlike the popular cognitive linguistic notion of image schemas, have been characterized in earlier work as explicitly representational, bodily sturctures arising from imitation of culture-specific practical actions (Zlatev 2005, 2007a, 2007b). We performed an analysis of the gestures of three Swedish and three Thai children at the age of 18, 22 and 26 months, in episodes of natur
Smoking at onset of rheumatoid arthritis (RA) and its effect on disease activity and functional status: experiences from BARFOT, a long-term observational study on early RA
Objectives: To assess the effects of smoking on disease outcome in a large cohort of patients with early rheumatoid arthritis (RA). Methods: Between 1996 and 2004, 1787 adult patients (disease duration 5.1, p = 0.005). Significantly fewer current smokers were in remission at 12 months (33%) compared to never smokers (36%) and previous smokers (42%) (p = 0.013). Current smoking at inclusion indepe
Distinct transcriptional control in major immunogenetic subsets of chronic lymphocytic leukemia exhibiting subset-biased global DNA methylation profiles
Chronic lymphocytic leukemia (CLL) can be divided into prognostic subgroups based on the IGHV gene mutational status, and is further characterized by multiple subsets of cases with quasi-identical or stereotyped B cell receptors that also share clinical and biological features. We recently reported differential DNA methylation profiles in IGHV-mutated and IGHV-unmutated CLL subgroups. For the firs
A New Digital Front-End for Flexible Reception in Software Defined Radio
Future mobile terminals are expected to support an ever increasing number of Radio Access Technologies (RAT) concurrently. This imposes a challenge to terminal designers already today. Software Defined Radio (SDR) solutions are a compelling alternative to address this issue in the digital baseband, given its high flexibility and low Non-Recurring Engineering (NRE) cost. However, the challenge stil
Expression of Zinc Finger 23 Gene in Human Hepatocellular Carcinoma
The aim of this study was to investigate the relationship between human zinc finger 23 (ZNF23) expression and clinico-pathological characteristics in patients suffering from hepatocellular carcinoma (HCC), and to investigate ZNF23 expression in relation to cell apoptosis. Patients and Methods: Thirty-seven HCC samples were collected and ZFP23 mRNA levels were determined by real-time reverse transc
A longitudinal study of sick building syndrome among pupils in relation to microbial components in dust in schools in China
There are few longitudinal studies on sick building syndrome (SBS), which include ocular, nasal, throat, and dermal symptoms, headache, and fatigue. We studied the associations between selected microbial components, fungal DNA, furry pet allergens, and incidence and remission of SBS symptoms in schools in Taiyuan, China. The study was based on a two-year prospective analysis in pupils (N = 1143) i