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Metaphern in der Migration. Analyse narrativer Interviews mit deutschsprachigen Emigrant_innen aus dem nationalsozialistischen Machtbereich
No full textDie Grundlage des Beitrags bilden drei in den 1990er-Jahren in Israel erhobene narrative Interviews mit ehemaligen Emigrant_innen, die zwischen 1932 und 1945 aus deutschsprachigen Gebieten Europas nach Palästina auswanderten. Ihre Lebensgeschichten zeigen, wie Migrationen aufgrund von Bedrohung und Verfolgung die Geschichte Europas schon in der ersten Hälfte des 20. Jahrhunderts geprägt haben. Eine Metaphernanalyse der Interviews offenbart verschiedene Aspekte der komplexen Beziehung der Interviewten zur Erfahrung der (erzwungenen) Migration und zu den damit verbundenen Emotionen, allen voran den Aspekt des traumatischen Bruchs und der Angst sowie das Gefühl des Bedroht-Seins. Wiederkehrende metaphorische Phraseologismen wie auch die Wiedergabe nationalsozialistischer Parolen weisen zudem darauf hin, dass diese kulturell und gesellschaftlich verankerte Sinnstrukturen verdichten
HRMAS-NMR metabolomics of Aglianicone grapes pulp to evaluate terroir and vintage effects, and, as assessed by the electromagnetic induction (EMI) technique, spatial variability of vineyard soils.
No full textMicroplastic-induced damage in early embryonal development of sea urchin Sphaerechinus granularis
No full textTwo microplastic sets, polystyrene (PS) and polymethyl methacrylate (PMMA), were tested for adverse effects on early life stages of Sphaerechinus granularis sea urchins. Microparticulate PS (10, 80 and 230 μm diameter) and PMMA (10 and 50 μm diameter) were tested on developing S. granularis embryos from 10 min post-fertilisation (p-f) to the pluteus larval stage (72 h p-f), at concentrations ranging from 0.1 to 5 mg L-1. Both PS and PMMA exposures resulted in significant concentration-related increase of developmental defects and of microplastic uptake in plutei. Moreover, embryo exposures to PS and PMMA (5 and 50 mg L-1) from 10 min to 5 h p-f resulted in a significant increase of cytogenetic abnormalities, expressed as significantly increased mitotic aberrations, while mitotoxicity (as % embryos lacking active mitoses) was observed in embryos exposed to PS, though not to PMMA. When S. granularis sperm suspensions were exposed for 10 min to PS or to PMMA (0.1-5 mg L-1), a significant decrease of fertilisation success was observed following sperm exposure to 0.1 mg L-1 PS, though not to higher PS concentrations nor to PMMA. Sperm pretreatment, however, resulted in significant offspring damage, as excess developmental defects in plutei, both following sperm exposure to PS and PMMA, thus suggesting transmissible damage from sperm pronuclei to the offspring. The overall results point to relevant developmental, cytogenetic and genotoxic effects of PS and PMMA microplastics to S. granularis early life stages, warranting further investigations of other microplastics and other target biota
Costituzionalismo e populismo al governo
No full textPartendo dalle elaborazioni della filosofia e della scienza politica, il contributo cerca di riversare la nozione di populismo in quelle sedi elaborata entro le categorie giuridico-costituzionali. In tale ottica, il discorso viene ricondotto principalmente al tema della rappresentanza politica e alle tensioni permanenti su cui essa si regge (immanenza-trascendenza; responsività-responsabilità; operazione-investitura), individuando le diverse forme di degenerazione populista e svelandone le connessioni con il profilo delle diseguaglianze (e con il loro acuirsi). Muovendo dagli schemi teorici così delineati, il discorso si sposta, nella parte finale del contributo, sull’analisi di alcune concrete dinamiche – più e meno recenti – della forma di governo italiana, cogliendone i tratti che possono essere ritenuti populistici
Diet as a moderator in the association of sedentary behaviors with inflammatory biomarkers among adolescents in the HELENA study
No full textAIM:
To assess if a healthy diet might attenuate the positive sedentary-inflammation relation, whereas an unhealthy diet may increase the effect of sedentary behaviors on inflammatory biomarkers.
METHODS:
In 618 adolescents (13-17 years) of the European HELENA study, data were available on body composition, a set of inflammation markers, and food intake assessed by a self-administered computerized 24 h dietary recall for 2 days. A 9-point Mediterranean diet score and an antioxidant-rich diet z-score were used as dietary indices and tested as moderators. A set of low-grade inflammatory characteristics was used as outcome: several cytokines in an inflammatory ratio (IL-6, IL-10, TNF-α, TGFβ-1), C-reactive protein, three cell-adhesion molecules (sVCAM-1, sICAM-1, sE-selectin), three cardiovascular risk markers (GGT, ALT, homocysteine) and three immune cell types (white blood cells, lymphocytes, CD3). Sedentary behaviors were self-reported and analyzed as total screen time. Multiple linear regression analyses tested moderation by diet in the sedentary behaviors-inflammation association adjusted for age, sex, country, adiposity (sum of six skinfolds), parental education, and socio-economic status.
RESULTS:
Both diet scores, Mediterranean and antioxidant-rich diet, were significant protective moderators in the effect of sedentary behaviors on alanine-transaminase enzyme (P = 0.014; P = 0.027), and on the pro/anti-inflammatory cytokine ratio (P = 0.001; P = 0.004), but not on other inflammatory parameters.
CONCLUSION:
A higher adherence to the Mediterranean diet or an antioxidant-rich diet may attenuate the onset of oxidative stress signs associated by sedentary behaviors, whereas a poor diet seems to increase inflammation
Modeling Quiet Solar Luminosity Variability from TSI Satellite Measurements and Proxy Models during 1980–2018
No full textA continuous record of direct total solar irradiance (TSI) observations began with a series of satellite experiments in 1978. This record requires comparisons of overlapping satellite observations with adequate relative precisions to provide useful long term TSI trend information. Herein we briefly review the active cavity radiometer irradiance monitor physikalisch-meteorologisches observatorium davos (ACRIM-PMOD) TSI composite controversy regarding how the total solar irradiance (TSI) has evolved since 1978 and about whether TSI significantly increased or slightly decreased from 1980 to 2000. The main question is whether TSI increased or decreased during the so-called ACRIM-gap period from 1989 to 1992. There is significant discrepancy between TSI proxy models and observations before and after the gap, which requires a careful revisit of the data analysis and modeling performed during the ACRIM-gap period. In this study, we use three recently proposed TSI proxy models that do not present any TSI increase during the ACRIM-gap, and show that they agree with the TSI data only from 1996 to 2016. However, these same models significantly diverge from the observations from 1981 and 1996. Thus, the scaling errors must be different between the two periods, which suggests errors in these models. By adjusting the TSI proxy models to agree with the data patterns before and after the ACRIM-gap, we found that these models miss a slowly varying TSI component. The adjusted models suggest that the quiet solar luminosity increased from the 1986 to the 1996 TSI minimum by about 0.45 W/m2 reaching a peak near 2000 and decreased by about 0.15 W/m2 from the 1996 to the 2008 TSI cycle minimum. This pattern is found to be compatible with the ACRIM TSI composite and confirms the ACRIM TSI increasing trend from 1980 to 2000, followed by a long-term decreasing trend since
Nebida. Progetto per la Laveria La Marmora
No full textIl progetto corredato da un testo di Gennaro Di Costanzo riguarda la ricostruzione della laverai Lamarmora Nebida redatto nell'ambito del Workshop internazionale "Paesaggi minerari
Spontaneous wrinkle emergence in nascent eumelanin thin films
No full textSelf-patterning processes originated by physical stimuli have been extensively documented in thin films,
whereas spontaneous wrinkling phenomena due to chemical transformation processes are, to the best of
our knowledge, unprecedented. Herein we report a case of spontaneous polymerization-driven surface
nano-patterning (B500 nm) that develops in smooth thin solid films of 5,6-dihydroxyindole (DHI), a major
precursor of eumelanin polymers, over a time scale of 30 to 60 days in air at room temperature.
The phenomenon can be observed only above a critical film thickness of B250 nm and it is affected
by exposure to ammonia vapors causing acceleration of the oxidation process. The thickness-dependent
onset of wrinkling can be attributed to non-homogeneous rates of oxidation through the film causing
slow swelling/expansion of the inner layers followed by fast stiffening and cross-linking in the outer layer
exposed to higher oxygen levels