879 research outputs found

    Beanspruchung und Belastung der Altenpflege bereits im Ausbildungsstadium? : eine prospektive Studie mit Altenpflegeschülerinnen und -schülern

    Get PDF
    In der Arbeit werden berufliche und private Belastungen und Ressourcen bei AltenpflegeschülerInnen im Rhein-Neckar-Raum erfasst. Eine Wiederholung der Untersuchung nach einem Jahr zeigt erste Veränderungen bei den Schülerinnen schon während der Ausbildungszeit. Daraus sollen sich Hinweise auf mögliche Belastungsfaktoren ergeben, die in diesem Berufsbereich zum Burnout-Syndrom und eventuell vorzeitigem Berufsausstieg führen. Die curriculare Evaluation seitens der Betroffenen soll Modifikationsnotwendigkeiten einer Ausbildung darstellen, die seit Einführung der Pflegeversicherung in der BRD unverändert ist

    Radical-cation salts of BEDT-TTF with lithium tris(oxalato)metallate(III)

    Get PDF
    The first radical-cation salts in the extensive family (BEDT-TTF)x[(A)M(C2O4)3]·Guest containing lithium as the counter cation have been synthesized and characterised

    Magnetic field measurements at milliarcsecond resolution around massive young stellar objects

    Full text link
    Magnetic fields have only recently been included in theoretical simulations of high-mass star formation. The simulations show that magnetic fields can play a crucial role not only in the formation and dynamics of molecular outflows, but also in the evolution of circumstellar disks. Therefore, new measurements of magnetic fields at milliarcsecond resolution close to massive young stellar objects (YSOs) are fundamental for providing new input for numerical simulations and for understanding the formation process of massive stars. The polarized emission of 6.7 GHz CH3OH masers allows us to investigate the magnetic field close to the massive YSO where the outflows and disks are formed. Recently, we have detected with the EVN CH3OH maser polarized emission towards 10 massive YSOs. From a first statistical analysis we have found evidence that magnetic fields are primarily oriented along the molecular outflows. To improve our statistics we are carrying on a large observational EVN campaign for a total of 19 sources, the preliminary results of the first seven sources are presented in this contribution. Furthermore, we also describe our efforts to estimate the Lande' g-factors of the CH3OH maser transition to determine the magnetic field strength from our Zeeman-splitting measurements.Comment: Accepted for publication in the proceeding of the "12th European VLBI Network Symposium and Users Meeting", eds Tarchi et al. PoS(EVN 2014)04

    Can verbal instruction enhance the recall of an everyday task and promote error-monitoring in people with dementia of the Alzheimer-type?

    Get PDF
    People with dementia of the Alzheimer-type (DAT) have difficulties with performing everyday tasks and error awareness is poor. Here we investigated whether recall of actions and error monitoring in everyday task performance improved when they instructed another person on how to make tea. In this situation, both visual and motor cues are present, and attention sustained by the requirement to keep instructing. The data were drawn from a longitudinal study recording performance in four participants with DAT, filmed regularly for five years in their own homes, completing three tea-making conditions: performed-recall (they made tea themselves); instructed-recall (they instructed the experimenter on how to make tea); and verbal-recall (they described how to make tea). Accomplishment scores (percentage of task they correctly recalled), errors and error-monitoring were coded. Task accomplishment was comparable in the performed-recall and instructed-recall conditions, but both were significantly better than task accomplishment in the verbal-recall condition. Third person instruction did not improve error-monitoring. This study has implications for everyday task rehabilitation for people with DAT

    'In God we trust?': Diskursive Macht religiöser Akteure in der Entwicklungspolitik

    Full text link
    "Religiöse Akteure sind in den letzten Jahren zunehmend in den Blick politikwissenschaftlicher Analysen geraten. Als global agierende Akteure nehmen sie Einfluss auf entwicklungspolitische Fragen, die zugleich die normativen Grundlagen einer internationalen Gesellschaft als Wertegemeinschaft berühren. In der Global Governance Literatur kommen religiöse Akteure überraschenderweise jedoch kaum vor. In den IB wurden diese Entwicklungen von konstruktivistischen Ansätzen aufgenommen, die den Blick auf die Rolle von Ideen, Normen und Identitäten richten. In diesem Papier nehmen wir die diskursive Macht transnationaler religiöser Akteure in der internationalen Entwicklungszusammenarbeit in den Blick. Diskursive Macht resultiert dabei aus ideellen systemischen Faktoren und spielt in dem Ausmaß, in dem politische Entscheidungen vom Wettbewerb um Definitionshoheit im öffentlichen Diskurs abhängen, eine bedeutende Rolle. Die diskursive Macht privater Akteure wird durch ihre Akquisition von politischer Legitimität konstituiert. In der internationalen Entwicklungszusammenarbeit können religiöse Akteure diskursive Macht ausüben, indem sie Themen auf die politische Agenda bringen oder öffentliche Diskurse strategisch rahmen. Um die Wirkungsweise diskursiver Macht zu untersuchen, plädieren wir für einen interpretativen Ansatz. Konkret fragen wir nach den Bedingungen erfolgreicher diskursiver Machtausübung durch religiöse Akteure. Hierzu kontrastieren wir die erfolgreiche Einflussnahme religiöser Akteure auf politische Entscheidungsträger im Rahmen der internationalen Entschuldungskampagne mit dem Beispiel der 3. Welternährungskonferenz, die 2009 in Rom stattgefunden hat. Abschließend skizzieren wir ein Forschungsdesign, im dem wir einen genealogischer Ansatz zur Analyse der diskursiven Praktiken religiöser Akteure vor dem Hintergrund institutioneller Settings in der internationalen Entwicklungspolitik vorschlagen." [Autorenreferat

    From confined spinons to emergent fermions: Observation of elementary magnetic excitations in a transverse-field Ising chain

    Get PDF
    We report on spectroscopy study of elementary magnetic excitations in an Ising-like antiferromagnetic chain compound SrCo2_2V2_2O8_8 as a function of temperature and applied transverse magnetic field up to 25 T. An optical as well as an acoustic branch of confined spinons, the elementary excitations at zero field, are identified in the antiferromagnetic phase below the N\'{e}el temperature of 5 K and described by a one-dimensional Schr\"{o}dinger equation. The confinement can be suppressed by an applied transverse field and a quantum disordered phase is induced at 7 T. In this disordered paramagnetic phase, we observe three emergent fermionic excitations with different transverse-field dependencies. The nature of these modes is clarified by studying spin dynamic structure factor of a 1D transverse-field Heisenberg-Ising (XXZ) model using the method of infinite time evolving block decimation. Our work reveals emergent quantum phenomena and provides a concrete system for testifying theoretical predications of one-dimension quantum spin models.Comment: 8 pages and 6 figure

    Spin-stretching modes in anisotropic magnets: spin-wave excitations in the multiferroic Ba2CoGe2O7

    Full text link
    We studied spin excitations of the multiferroic Ba2CoGe2O7 in high magnetic fields up to 33 T. In the electron spin resonance and far infrared absorption spectra we found several spin excitations beyond the two conventional magnon modes expected for such a two-sublattice antiferromagnet. We show that a multi-boson spin-wave theory can capture these unconventional modes, that include spin-stretching modes associated with an oscillating magnetic dipole (or only quadrupole) moment. The lack of the inversion symmetry allows these modes to become electric dipole active. We expect that the spin-stretching modes can be generally observed in inelastic neutron scattering and light absorption experiments in a broad class of ordered S > 1/2 spin systems with strong single-ion anisotropy and/or non-centrosymmetric lattice structure.Comment: 5+4 pages, 3 figures, supplement added, manuscript revise

    Early cerebellar granule cell migration in the mouse embryonic development

    Get PDF
    Pax6, a paired homeobox DNA binding protein, has been found to be expressed in the cerebellum in both granule cells and their precursors in the external granular layer (EGL). In this study we have traced Pax6 expression through embryonic development in mice by using a polyclonal antibody against Pax6 and used it to study the cellular dispersal pattern of the EGL. During dispersal the EGL was thicker and Pax6 expression was more intense on the rostral side of the lateral corners of the cerebellum. Pax6 immunoreactive cells were found to be migrating from the EGL during the early stage of EGL dispersal, which suggested the early inward migration of granule cells. Double staining with various markers confirmed that the early-migrating cells are not Purkinje cells, interneurons or glia. Although the Pax6 immunoreactive cells within the cerebellum were not apparently proliferating, NeuN, a marker for postmitotic granule cells, was not expressed in these cells until E16. Furthermore, granule cells were observed migrating inwards from the EGL both during and after EGL dispersal. These early migrating granule cells populated the whole cerebellum. These findings offer novel views on specific stages of granule cell dispersal and migration
    corecore