2,170 research outputs found

    ‘Votes for life’ for overseas electors?: Principles, process and party politics

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    A Private Member’s Bill to extend the franchise to all British citizens living abroad is currently under consideration in Parliament. Susan Collard explains how these proposed reforms, which have significant implications for democratic participation, have become caught up in parliamentary procedure and partisan disputes

    British expatriates and the anti-Brexit backlash

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    A large number of British citizens live elsewhere in Europe and many have the right to vote in UK elections. Yet little is known about their political preferences given there are no designated overseas constituencies for expatriate representation. Drawing on new survey evidence, Paul Webb and Susan Collard write that while expatriate voters have traditionally been assumed to vote more often for the Conservative Party, this no longer seems to apply for those living in EU countries following Brexit

    The UK politics of overseas voting

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    The enfranchisement of non‐resident citizens has always been controversial in the UK, where for historical reasons, voting rights are not as closely associated with citizenship as elsewhere. The introduction of ‘overseas’ voting in the 1980s by the Conservatives was contested by Labour as a form of ‘international gerrymandering’ since expatriates were widely assumed to be disproportionately wealthy and therefore more likely to vote Tory. Expatriate campaigners have been increasingly vocal in denouncing the ‘electoral injustice’ of the ‘fifteen‐year rule’ which disenfranchises them after fifteen years abroad, and the exclusion of so many from the EU referendum highlighted their cause. A recent private member's bill proposing ‘votes for life’ for UK expatriates aimed to meet their demands to abolish the time restriction, now considered anachronistic. But their arguments were hijacked by historically embedded attitudes and disputes driven by party politics, ending in a dramatic and bewildering filibuster which this paper elucidates

    Similarities and Differences in Eyewitness Testimonies of Children Who Directly Versus Vicariously Experience Stress

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    This study tested questions of ecological validity by comparing the eyewitness testimonies of children directly experiencing a painful inoculation experience with those of children in a yoked-control group who vicariously experienced the inoculation on videotape. The study involved 86 5-year-olds, divided between 2 groups: the experiential and yoked control. The experiential group was followed through a health department with a video camera as they received diphtheria, pertussis, tetanus (DFT), and oral polio inoculations. They were tested immediately, 20 min later, and I month later. Each child in the yoked-control group merely watched the videotape of his or her counterpart in the expenential group, made similar ratings of pain, and was given the same tests and suggestions. Stress and personal experience affected items congruent with the stressor to produce flashbulb-like memories, with slower rates of forgetting for some items, such as nurse identifications, and greater suggestibility for other items, such as estimates of needle size. These and the apparently conflicting results in the literature were said to make sense when personally experienced stress was viewed from S.-A. Christianson’s (1992) interactive perspective rather than as a single ubiquitous variable

    The HLA class II allele DRB1*1501 is over-represented in patients with idiopathic pulmonary fibrosis

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    Background: Idiopathic pulmonary fibrosis (IPF) is a progressive and medically refractory lung disease with a grim prognosis. Although the etiology of IPF remains perplexing, abnormal adaptive immune responses are evident in many afflicted patients. We hypothesized that perturbations of human leukocyte antigen (HLA) allele frequencies, which are often seen among patients with immunologic diseases, may also be present in IPF patients. Methods/Principal Findings: HLA alleles were determined in subpopulations of IPF and normal subjects using molecular typing methods. HLA-DRB1*15 was over-represented in a discovery cohort of 79 Caucasian IPF subjects who had lung transplantations at the University of Pittsburgh (36.7%) compared to normal reference populations. These findings were prospectively replicated in a validation cohort of 196 additional IPF subjects from four other U.S. medical centers that included both ambulatory patients and lung transplantation recipients. High-resolution typing was used to further define specific HLA-DRB1*15 alleles. DRB1*1501 prevalence in IPF subjects was similar among the 143 ambulatory patients and 132 transplant recipients (31.5% and 34.8%, respectively, p = 0.55). The aggregate prevalence of DRB1*1501 in IPF patients was significantly greater than among 285 healthy controls (33.1% vs. 20.0%, respectively, OR 2.0; 95%CI 1.3-2.9, p = 0.0004). IPF patients with DRB1*1501 (n = 91) tended to have decreased diffusing capacities for carbon monoxide (DLCO) compared to the 184 disease subjects who lacked this allele (37.8±1.7% vs. 42.8±1.4%, p = 0.036). Conclusions/Significance: DRB1*1501 is more prevalent among IPF patients than normal subjects, and may be associated with greater impairment of gas exchange. These data are novel evidence that immunogenetic processes can play a role in the susceptibility to and/or manifestations of IPF. Findings here of a disease association at the HLA-DR locus have broad pathogenic implications, illustrate a specific chromosomal area for incremental, targeted genomic study, and may identify a distinct clinical phenotype among patients with this enigmatic, morbid lung disease

    Radiative tritium beta-decay and the neutrino mass

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    The shape of the electron energy spectrum in 3H beta-decay permits a direct assay of the absolute scale of the neutrino mass; a highly accurate theoretical description of the electron energy spectrum is necessary to the empirical task. We update Sirlin's calculation of the outer radiative correction to nuclear beta-decay to take into account the non-zero energy resolution of the electron detector. In previous 3H beta-decay studies the outer radiative corrections were neglected all together; only Coulomb corrections to the spectrum were included. This neglect artificially pushes m_nu^2 < 0 in a potentially significant way. We present a computation of the theoretical spectrum appropriate to the extraction of the neutrino mass in the sub-eV regime.Comment: 11 pages, 4 eps figures; discussion, figure adde

    The F4/AS01B HIV-1 Vaccine Candidate Is Safe and Immunogenic, But Does Not Show Viral Efficacy in Antiretroviral Therapy-Naive, HIV-1-Infected Adults: A Randomized Controlled Trial

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    The impact of the investigational human immunodeficiency virus type 1 (HIV-1) F4/AS01(B) vaccine on HIV-1 viral load (VL) was evaluated in antiretroviral therapy (ART)-naive HIV-1 infected adults.This phase IIb, observer-blind study (NCT01218113), included ART-naive HIV-1 infected adults aged 18 to 55 years. Participants were randomized to receive 2 (F4/AS01(B)_2 group, N=64) or 3 (F4/AS01(B)_3 group, N=62) doses of F4/AS01(B) or placebo (control group, N=64) at weeks 0, 4, and 28. Efficacy (HIV-1 VL, CD4(+) T-cell count, ART initiation, and HIV-related clinical events), safety, and immunogenicity (antibody and T-cell responses) were evaluated during 48 weeks.At week 48, based on a mixed model, no statistically significant difference in HIV-1 VL change from baseline was demonstrated between F4/AS01(B)_2 and control group (0.073 log(10)copies/mL [97.5% confidence interval (CI): -0.088; 0.235]), or F4/AS01(B)_3 and control group (-0.096 log(10)copies/mL [97.5% CI: -0.257; 0.065]). No differences between groups were observed in HIV-1 VL change, CD4(+) T-cell count, ART initiation, or HIV-related clinical events at intermediate timepoints. Among F4/AS01(B) recipients, the most frequent solicited symptoms were pain at injection site (252/300 doses), fatigue (137/300 doses), myalgia (105/300 doses), and headache (90/300 doses). Twelve serious adverse events were reported in 6 participants; 1 was considered vaccine-related (F4/AS01(B)_2 group: angioedema). F4/AS01(B) induced polyfunctional F4-specific CD4(+) T-cells, but had no significant impact on F4-specific CD8(+) T-cell and anti-F4 antibody levels.F4/AS01(B) had a clinically acceptable safety profile, induced F4-specific CD4(+) T-cell responses, but did not reduce HIV-1 VL, impact CD4(+) T-cells count, delay ART initiation, or prevent HIV-1 related clinical events

    Multiple QTLs linked to agro-morphological and physiological traits related to drought tolerance in potato.

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    Dissection of the genetic architecture of adaptation and abiotic stress-related traits is highly desirable for developing drought-tolerant potatoes and enhancing the resilience of existing cultivars, particularly as agricultural production in rain-fed areas may be reduced by up to 50 % by 2020. The “DMDD” potato progeny was developed at International Potato Center (CIP) by crossing the sequenced double monoploid line DM and a diploid cultivar of the Solanum tuberosum diploid Andigenum Goniocalyx group. Recently, a high-density integrated genetic map based on single nucleotide polymorphism (SNP), diversity array technology (DArT), simple sequence repeats (SSRs), and amplified fragment length polymorphism (AFLP) markers was also made available for this population. Two trials were conducted, in greenhouse and field, for drought tolerance with two treatments each, well-watered and terminal drought, in which watering was suspended 60 days after planting. The DMDD population was evaluated for agro-morphological and physiological traits before and after initiation of stress, at multiple time points. Two dense parental genetic maps were constructed using published genotypic data, and quantitative trait locus (QTL) analysis identified 45 genomic regions associated with nine traits in well-watered and terminal drought treatments and 26 potentially associated with drought stress. In this study, the strong influence of environmental factors besides water shortage on the expression of traits and QTLs reflects the multigenic control of traits related to drought tolerance. This is the first study to our knowledge in potato identifying QTLs for drought-related traits in field and greenhouse trials, giving new insights into genetic architecture of drought-related traits. Many of the QTLs identified have the potential to be used in potato breeding programs for enhanced drought tolerance

    Differential cross section measurements for the production of a W boson in association with jets in proton–proton collisions at √s = 7 TeV

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    Measurements are reported of differential cross sections for the production of a W boson, which decays into a muon and a neutrino, in association with jets, as a function of several variables, including the transverse momenta (pT) and pseudorapidities of the four leading jets, the scalar sum of jet transverse momenta (HT), and the difference in azimuthal angle between the directions of each jet and the muon. The data sample of pp collisions at a centre-of-mass energy of 7 TeV was collected with the CMS detector at the LHC and corresponds to an integrated luminosity of 5.0 fb[superscript −1]. The measured cross sections are compared to predictions from Monte Carlo generators, MadGraph + pythia and sherpa, and to next-to-leading-order calculations from BlackHat + sherpa. The differential cross sections are found to be in agreement with the predictions, apart from the pT distributions of the leading jets at high pT values, the distributions of the HT at high-HT and low jet multiplicity, and the distribution of the difference in azimuthal angle between the leading jet and the muon at low values.United States. Dept. of EnergyNational Science Foundation (U.S.)Alfred P. Sloan Foundatio

    Optimasi Portofolio Resiko Menggunakan Model Markowitz MVO Dikaitkan dengan Keterbatasan Manusia dalam Memprediksi Masa Depan dalam Perspektif Al-Qur`an

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    Risk portfolio on modern finance has become increasingly technical, requiring the use of sophisticated mathematical tools in both research and practice. Since companies cannot insure themselves completely against risk, as human incompetence in predicting the future precisely that written in Al-Quran surah Luqman verse 34, they have to manage it to yield an optimal portfolio. The objective here is to minimize the variance among all portfolios, or alternatively, to maximize expected return among all portfolios that has at least a certain expected return. Furthermore, this study focuses on optimizing risk portfolio so called Markowitz MVO (Mean-Variance Optimization). Some theoretical frameworks for analysis are arithmetic mean, geometric mean, variance, covariance, linear programming, and quadratic programming. Moreover, finding a minimum variance portfolio produces a convex quadratic programming, that is minimizing the objective function ðð¥with constraintsð ð 𥠥 ðandð´ð¥ = ð. The outcome of this research is the solution of optimal risk portofolio in some investments that could be finished smoothly using MATLAB R2007b software together with its graphic analysis
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