283 research outputs found

    Confrontational yet submissive: Calculated ambivalence and populist parties’ strategies of responding to racism accusations in the media

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    This article provides an analysis and typology of the discursive strategies nationalist-populist anti-immigration parties use when responding to racism accusations in mainstream news. The typology is based on a three-party comparative analysis of statements given in national public service media by the representatives of three electorally successful Northwestern European populist parties – the UK Independence Party, the Finns Party and the Sweden Democrats. When responding to racism accusations, populist parties use both submissive and confrontational sets of discursive strategies in varying combinations to communicate an ambivalent attitude towards racism. This ambivalence is communicated both on the level of an individual speaker utilizing several strategies and on the level of multiple speakers communicating contradictory messages. The comparative analysis suggests that country-specific contexts, and the statuses of both the persons under accusation and the responders giving statements, affect to what extent responses to racism accusations tend to be confrontational.</p

    Measurements of optical properties of atmospheric aerosols in Northern Finland

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    International audienceThree years of continuous measurements of aerosol optical properties and simultaneous aerosol number size distribution measurements at Pallas GAW station, a remote subarctic site in the northern border of the boreal forest zone, have been analysed. The scattering coefficient at 550 nm varied from 0.2 to 94.4 Mm?1 with an average of 7.1±8.6 Mm?1. Both the scattering and backscattering coefficients had a clear seasonal cycle with an autumn minimum and a 4?5 times higher summer maximum. The scattering was dominated by submicron aerosols and especially so during late summer and autumn. The Ångström exponent had a clear seasonal pattern with maximum values in late summer and minimum values during wintertime. The highest hemispheric backscattering fraction values were observed in autumn, indicating clean air with few scattering particles and a particle size distribution strongly dominated by ultrafine particles. To analyse the influence of air mass origin on the aerosol optical properties a trajectory climatology was applied to the Pallas aerosol data. The most polluted trajectory patterns represented air masses from the Kola Peninsula, Scandinavia and Russia as well as long-range transport from Britain and Eastern Europe. These air masses had the largest average scattering and backscattering coefficients for all seasons. Higher than average values of the Ångström exponent were also observed in connection with transport from these areas

    Cross helicity of interplanetary coronal mass ejections at 1 au

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    Interplanetary coronal mass ejections (ICMEs) contain magnetic field and velocity fluctuations across a wide range of scales. These fluctuations may be interpreted as Alfvenic wave packets propagating parallel or antiparallel to the background magnetic field, with the difference in power between counterpropagating fluxes quantified by the cross helicity. We have determined the cross helicity of inertial range fluctuations at 10(-3) to 10(-2) Hz in 226 ICME flux ropes and 176 ICME sheaths observed by the Wind spacecraft at 1 au during 1995-2015. The flux ropes and sheaths had mean, normalized cross helicities of 0.18 and 0.24, respectively, with positive values here indicating net antisunward fluxes. While still tipped towards the antisunward direction on average, fluxes in ICMEs tend to be more balanced than in the solar wind at 1 au, where the mean cross helicity is larger. Superposed epoch profiles show cross helicity falling sharply in the sheath and reaching a minimum inside the flux rope near the leading edge. More imbalanced, solar wind-like cross helicity was found towards the trailing edge and laterally further from the rope axis. The dependence of cross helicity on flux rope orientation and the presence of an upstream shock are considered. Potential origins of the low cross helicity in ICMEs at 1 au include balanced driving of the closed-loop flux rope at the Sun and ICME-solar wind interactions in interplanetary space. We propose that low cross helicity of fluctuations is added to the standard list of ICME signatures.Peer reviewe

    The Discursive Denial of Racism by Finnish Populist Radical Right Politicians Accused of Anti-Muslim Hate-Speech

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    This chapter explores Finnish populist radical right politicians’ discursive denials of racism against Muslims following the 2015 European “refugee crisis”. The critical discursive psychological analysis of the politicians’ Facebook accounts identifies four ways in which racism was denied: first, through constructing the statements as mere displays of undisputable facts and common-sense; second, through personal narratives and ontological gerrymandering that acted as ‘proof’ of the politician’s non-racist disposition; third, through transferring the discussion from issues about race to concern matters of cultural threats; and, fourth, through reversing racism to the politicians’ political antagonists. The analyses show that in their discursive denial of racist hate-speech against Muslims, the Finnish politicians relied more on cultural arguments than welfare-protectionist ones. That is, the denials were primarily warranted through nostalgic references to Finnish national identity, people and values, and rhetorical promises that the hope of saving these rests on resisting the cultural threat posed by Islam.Peer reviewe

    Prevalence of Childhood Atopic Dermatitis: An Urban and Rural Community-Based Study in Shanghai, China

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    Background: Atopic dermatitis (AD) is a common inflammatory and chronically relapsing disorder with increasing prevalence. However, little is known about its prevalence in Shanghai, the top metropolitan of China. This study will estimate and compare the prevalence of AD in urban and rural areas in representative samples of 3 to 6-year-old children in Shanghai. Methodology/Principal Findings: A descriptive cross-sectional study was performed. Pre-school children were obtained by cluster sampling from 8 communities in different districts in Shanghai. The main instrument was the core questionnaire module for AD used in the U.K. Working Party’s study. All the data were statistically analyzed by EpiData 3.1 and SPSS16.0. A total of 10436 children completed the study satisfactorily, with a response rate of 95.8%. The prevalence of AD in 3 to 6-year-old children was 8.3 % (Male: 8.5%, Female: 8.2%). The prevalence in urban areas of Shanghai was gradiently and significantly higher than that in rural areas. The highest prevalence was in the core urban area (10.2 % in Xuhui Tianping) vs. the lowest far from the urban areas (4.6 % in Chongming Baozhen). Conclusions/Significance: The prevalence of AD was 8.3 % (95%CI: 7.6%–9.1%) in children aged 3 to 6 in Shanghai. Th

    Probiotic Lactobacillus paracasei effect on cariogenic bacterial flora

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    Lactobacillus paracasei has been demonstrated to inhibit the growth of many pathogenic microbes such as Streptococcus mutans, in vitro. However, its clinical application remains unclear. Here, we examined whether a novel probiotic L. paracasei GMNL-33 may reduce the caries-associated salivary microbial counts in healthy adults. Seventy-eight subjects (aged 20 to 26) had completed this double-blinded, randomized, placebo-controlled study. A probiotic/test (n = 42) and a control group (n = 36) took a L. paracasei GMNL-33 and a placebo oral tablet three times per day for 2 weeks, respectively. Bacterial counts of salivary S. mutans, lactobacilli, and salivary buffer capacity were measured with chair-side kits at the beginning (T1), the completion (T2) of medication, and 2 weeks after medication (T3). The results did not show differences in the counts of S. mutans and lactobacilli between probiotic and control groups at T1, T2, and T3. Nevertheless, within the probiotic group, an interesting probiotic effect was noticed. Between T1 and T2, no inhibitory effect against S. mutans was observed. However, a significant count reduction in the salivary S. mutans was detected between T2 and T3 (p = 0.016). Thus, a 2-week period of medication via oral administration route may be needed for L. paracasei GMNL-33 to be effective in the probiotic action

    Growth inhibition of oral mutans streptococci and candida by commercial probiotic lactobacilli - an in vitro study

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    <p>Abstract</p> <p>Background</p> <p>Probiotic bacteria are suggested to play a role in the maintenance of oral health. Such health promoting bacteria are added to different commercial probiotic products. The aim of the study was to investigate the ability of a selection of lactobacilli strains, used in commercially available probiotic products, to inhibit growth of oral mutans streptococci and <it>C. albicans in vitro</it>.</p> <p>Methods</p> <p>Eight probiotic lactobacilli strains were tested for growth inhibition on three reference strains and two clinical isolates of mutans streptococci as well as two reference strains and three clinical isolates of <it>Candida albicans </it>with an agar overlay method.</p> <p>Results</p> <p>At concentrations ranging from 10<sup>9 </sup>to 10<sup>5 </sup>CFU/ml, all lactobacilli strains inhibited the growth of the mutans streptococci completely with the exception of <it>L. acidophilus </it>La5 that executed only a slight inhibition of some strains at concentrations corresponding to 10<sup>7 </sup>and 10<sup>5 </sup>CFU/ml. At the lowest cell concentration (10<sup>3 </sup>CFU/ml), only <it>L. plantarum </it>299v and <it>L. plantarum </it>931 displayed a total growth inhibition while a slight inhibition was seen for all five mutans streptococci strains by <it>L. rhamnosus </it>LB21, <it>L. paracasei </it>F19, <it>L. reuteri </it>PTA 5289 and <it>L. reuteri </it>ATCC 55730. All the tested lactobacilli strains reduced candida growth but the effect was generally weaker than for mutans streptococci. The two <it>L. plantarum </it>strains and <it>L. reuteri </it>ATCC 55730 displayed the strongest inhibition on <it>Candida albicans</it>. No significant differences were observed between the reference strains and the clinical isolates.</p> <p>Conclusion</p> <p>The selected probiotic strains showed a significant but somewhat varying ability to inhibit growth of oral mutans streptococci and <it>Candida albicans in vitro</it>.</p

    Progress and Research Needs of Plant Biomass Degradation by Basidiomycete Fungi

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