956 resultados para Rzewski, Frederic, 1938-, The days fly by : Cadenza


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The 2011 proposal of the European Court of Justice aiming to increase the number of judges of the General Court has mutated after four years into a complete change of the EU judicial system. This long legislative debate was the first implementation of the Lisbon Treaty in the judicial domain. It has revealed different problems – formal and substantial – of the approach of public service reform in the European institutions.

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Inducible epigenetic changes in eukaryotes are believed to enable rapid adaptation to environmental fluctuations. We have found distinct regions of the Arabidopsis genome that are susceptible to DNA (de)methylation in response to hyperosmotic stress. The stress-induced epigenetic changes are associated with conditionally heritable adaptive phenotypic stress responses. However, these stress responses are primarily transmitted to the next generation through the female lineage due to widespread DNA glycosylase activity in the male germline, and extensively reset in the absence of stress. Using the CNI1/ATL31 locus as an example, we demonstrate that epigenetically targeted sequences function as distantly-acting control elements of antisense long non-coding RNAs, which in turn regulate targeted gene expression in response to stress. Collectively, our findings reveal that plants use a highly dynamic maternal 'short-term stress memory' with which to respond to adverse external conditions. This transient memory relies on the DNA methylation machinery and associated transcriptional changes to extend the phenotypic plasticity accessible to the immediate offspring.

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Adenoids are a mass of lymphatic tissue located within the nasopharynge. This work aims assessing the relationship between the formation of bacterial biofilms on the adenoid surface and the incidence of infections in the pediatric age.

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Aging attracted keen interest in research, health, education as well as cross-sectors approaches. We researched what has been produced by the National Bioethics/Ethics Councils in the form of opinions or other documents, relating to aging and elderly people. In the websi-tes of the 28 EU councils and 12 other countries, we identified 4 documents relating to aging and 8 opinions, which we analyse. The Councils have proposed to draw the attention and reflection of public opinion to the elderly condition; all agree that the age has its own traits and that matters revert to a “culture of old age”, respect and promotion of a positive aging. Enhance the diversity of modes of aging and the importance of preparing all, promoting literacy for aging, creating social and legal protective elements (Elderly Statute, Observatory of the Elderly Conditions). From the analysis, a set of principles and bioethical elements: [1] respect for human dignity, regardless of the stage of life; [2] recognition of the person’s situation uniqueness to aging; [3] freedom of one’s own decision, which is materialized in respect for autonomy; [4] recognition of the vulnerabilities of the elderly, [5] ethical commitment and social responsibility in monitoring the elderly, [6] non-discrimination by age and [7] the guidance to the conditions of the integral good and quality of life. Aging is an existential step for which we can prepare, on the assumption that human life in its longevity, interweaves those who are older and those younger, on the crucial issue of human existence.

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Medial penetration of the helical blade into the hip joint after fixation of trochanteric fractures using the proximal femur nail antirotation (PFN-A) is a potential failure mode. In low demand patients a blade exchange with cement augmentation may be an option if conversion to total hip arthroplasty is unfeasible to salvage the cut-through. This article describes a technique to avoid intraarticular cement leakage using a cement plug to close the defect in the femoral head caused by the cut-through.

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An experiment was conceived in which we monitored degradation of GlcDGD. Independent of the fate of the [14C]glucosyl headgroup after hydrolysis from the glycerol backbone, the 14C enters the aqueous or gas phase whereas the intact lipid is insoluble and remains in the sediment phase. Total degradation of GlcDGD then is obtained by combining the increase of radioactivity in the aqueous and gaseous phases. We chose two different sediment to perform this experiment. One is from microbially actie surface sediment sampled in February 2010 from the upper tidal flat of the German Wadden Sea near Wremen (53° 38' 0N, 8° 29' 30E). The other one is deep subsurface sediments recovered from northern Cascadia Margin during Integrated Ocean Drilling Program Expedition 311 [site U1326, 138.2 meters below seafloor (mbsf), in situ temperature 20 °C, water depth 1,828 m. We performed both alive and killed control experiments for comparison. Surface and subsurface sediment slurry were incubated in the dark at in situ temperature, 4 °C and 20 °C for 300 d, respectively. The sterilized slurry was stored at 20 °C. All incubations were carried out under N2 headspace to ensure anaerobic conditions. The sampling frequency was high during the first half-month, i.e., after 1, 2, 7, and 14 d; thereafter, the sediment slurry was sampled every 2 months. At each time point, samples were taken in triplicate for radioactivity measurements. After 300 d of incubation, no significant changes of radioactivity in the aqueous phase were detected. This may be the result of either the rapid turnover of released [14C] glucose or the relatively high limit of detection caused by the slight solubility (equivalent to 2% of initial radioactivity) of GlcDGD in water. Therefore, total degradation of GlcDGD in the dataset was calculated by combining radioactivity of DIC, CH4, and CO2, leading to a minimum estimate.