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Paläoklimarekonstruktionen, die es sich zum Ziel gesetzt haben, Klima-Mensch Interaktionen auf lange Zeitreihen betrachtet zu erforschen, nehmen begünstigt durch die aktuell intensiv geführte Klimadebatte, einen immer größer werdenden Stellenwert in der öffentlichen und wissenschaftlichen Wahrnehmung ein. Denn trotz aller wissenschaftlicher Fortschritte, die in den vergangenen Jahrzehnten im Bereich der modernen Klimaforschung gemacht wurden, bleibt die zuverlässige Vorhersage und Modellierung von zukünftigen Klimaveränderungen noch immer eine der größten Herausforderungen unser heutigen Zeit. Betrachtet man die Karibik exemplarisch in diesem Rahmen, dann prognostizieren viele Modellrechnungen, infolge steigender Ozeantemperaturen, ein deutlich häufigeres Auftreten von tropischen Stürmen und Hurrikanen sowie eine Verschiebung hin zu höheren Sturmstärken. Dieser Trend stellt für die Karibik und viele daran angrenzende Staaten eine der größten Gefahren des modernen Klimawandels dar, den es wissenschaftlich über einen langen Zeitrahmen zu erforschen gilt.
Klimaprognosen stützen sich meist vollständig auf hoch-aufgelöste instrumentelle Datensätze. Diese sind aber alle durch einen wesentlichen Aspekt limitiert. Aufgrund ihrer eingeschränkten Verfügbarkeit (~150 Jahre) fehlt ihnen die erforderliche Tiefe, um die auf langen Zeitskalen operierenden Prozesse der globalen Klimadynamik adäquat abbilden zu können. Betrachtet man das Holozän in seiner Gesamtheit, so wurde die globale Klimadynamik über die vergangenen ~11,700 Jahre von periodisch auftretenden Prozessen und Abläufen gesteuert. Diese wirken grundsätzlich über Zeiträume von mehreren Jahrzehnten, teilweise Jahrhunderten und in einigen Fällen sogar Jahrtausenden. Viele dieser natürlichen Prozesse, können in der kurzen Instrumentellen Ära nicht gänzlich identifiziert und angemessen in Klimamodellen berücksichtig werden. Die alleinige Berücksichtigung der Instrumentellen Ära bietet daher nur eine eingeschränkte Perspektive, um die Ursachen und Abläufe von vergangenen sowie mögliche Folgen von zukünftigen Klimaveränderungen zu verstehen. Um diese Einschränkung zu überwinden, ist es somit erforderlich, dass die geowissenschaftliche Forschung mit Proxymethoden ein zusammenfassendes und mechanistisches Verständnis über alle Holozänen Klimaveränderungen erlangt.
Wenn man sich diese Limitierung, die ansteigenden Ozeantemperaturen und das in der Karibik in den vergangen 20 Jahren vermehrte Auftreten von starken tropischen Zyklonen ins Gedächtnis ruft, ist es nachvollziehbar, dass im Rahmen dieser Doktorarbeit ein zwei Jahrtausende langer und jährlich aufgelöster Klimadatensatz erarbeitet werden soll, der spät Holozäne Variationen von Ozeanoberflächenwasser-temperaturen (SST) und daraus resultierende lang-zeitliche Veränderungen in der Häufigkeit tropischer Zyklone widerspiegelt. In Zentralamerika wird das Ende der Maya Hochkultur (900-1100 n.Chr.) mit drastischen Umweltveränderungen (z.B. Dürren) assoziiert, die während der Mittelalterlichen Warmzeit (MWP; 900-1400 n.Chr.) durch eine globale Klimaveränderung hervorgerufen wurde. Die aus einem „Blue Hole“ abgeleiteten Informationen über Klimavariationen der Vergangenheit können als Referenz für die gegenwärtige Klimakriese verwendet werden.
Als „Blue Hole“ wird eine Karsthöhle bezeichnet, die sich subaerisch während vergangener Meeresspiegeltiefstände im karbonatischen Gerüst eines Riffsystems gebildet hat und in Folge eines Meeresspiegelanstiegs vollständig überflutet wurde. In einigen wenigen marinen „Blue Holes“ treten anoxische Bodenwasserbedingungen auf. Die in diesen anoxischen Karsthöhlen abgelagerten Abfolgen mariner Sedimente können als einzigartiges Klimaarchiv verwendet werden, da sie aufgrund des Fehlens von Bioturbation eine jährliche Schichtung (Warvierung) aufweisen.
In dieser kumulativen Dissertation über das „Great Blue Hole“ werden die Ergebnisse eines 3-jährigen Forschungsprojekts vorgestellt, dass das Ziel verfolgte einen wissenschaftlich herausragenden spät Holozänen Klimadatensatz für die süd-westliche Karibik zu erzeugen. Beim „Great Blue Hole“ handelt es sich um ein weltweit einzigartiges marines Sedimentarchiv für diverse spät Holozäne Klima-veränderungen, das im Zuge dieser Dissertation sowohl nach paläoklimatischen als auch nach sedimentologischen Fragestellungen untersucht wurde. Die vorliegende Doktorarbeit befasst sich im Einzelnen mit (1) der Ausarbeitung eines jährlich aufgelösten Archives für tropische Zyklone, (2) der Entwicklung eines jährlich aufgelösten SST Datensatzes und (3) einer kompositionellen Quantifizierung der sedimentären Abfolgen sowie einer faziell-stratigraphischen Charakterisierung von Schönwetter-Sedimenten und Sturmlagen. Zu jedem dieser drei Aspekte, wurde jeweils ein Fachartikel bei einer anerkannten wissenschaftlichen Fachzeitschrift mit „peer-review“ Verfahren veröffentlicht.
Der insgesamt 8.55 m lange Sedimentbohrkern („BH6“), der für diese Dissertation untersucht wurde, stammt vom Boden des 125 m tiefen und 320 m breiten „Great Blue Holes“, das sich in der flachen östlichen Lagune des 80 km vor der Küste von Belize (Zentralamerika) gelegenen „Lighthouse Reef“ Atolls befindet. Durch seine besondere Geomorphologie wirkt das, innerhalb des atlantischen „Hurrikan Gürtels“ positionierte, „Great Blue Hole“ wie eine gigantische Sedimentfalle. Die unter Schönwetter-Bedingungen kontinuierlich abgelagerten Abfolgen feinkörniger karbonatischer Sedimente, werden von groben Sturmlagen unterbrochen, die auf „over-wash“ Prozesse von tropischen Zyklonen zurückzuführen sind.
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The paper proposes a new semantics for good-predications involving finite if -and that-clauses. The proposal combines a standard semantics for conditionals with a standard semantics for the positive form of gradable adjectives and a minimal semantics for modal good. The predicted truth-conditions and conditions of use solve the mood puzzle presented in the first part of the paper. The remainder of the paper defends the classical notion of comparative goodness in terms of a comparison between possible worlds against Lassiter (2017)’s challenge.
This article presents the findings from systematically reviewing 26 empirical research studies published from 2005 to 2014 on the use of GIS for learning and teaching. By employing methods of narrative synthesis and qualitative content analysis, the study gives evidence about the state of knowledge of competence‐based GIS education. The results explain what factors and variables effect GIS learning in terms of technology use, major subject contents, learning contexts, and didactic and pedagogical aspects. They also show what facets of knowledge, process skills, and affect the research literature has investigated. The analysis of the type and quality of the methods used indicates that current GIS education research is a heterogeneous field that needs a systematic research framework for future efforts, according to empirical education research.
This article presents the findings from systematically reviewing 26 empirical research studies published from 2005 to 2014 on the use of GIS for learning and teaching. By employing methods of narrative synthesis and qualitative content analysis, the study gives evidence about the state of knowledge of competence-based GIS education. The results explain what factors and variables effect GIS learning in terms of technology use, major subject contents, learning contexts, and didactic and pedagogical aspects. They also show what facets of knowledge, process skills, and affect the research literature has investigated. The analysis of the type and quality of the methods used indicates that current GIS education research is a heterogeneous field that needs a systematic research framework for future efforts, according to empirical education research.
Jeanette Winterson's newest novel "Frankissstein: A Love Story" revolves around technological innovation and its effects on human development. The book's examinations feature trans* character Ry Shelley and transhumanist Victor Stein who interprets Ry's transitioned body as a metaphor for his ideal transhumanist future. This metaphor is based on three main textually conceptualized similarities between trans* identity and transhumanism: a hybridity in Ry's gender identity and embodiment as well as in a transhumanist vision of future human identity, the dissolution of biological determinism and the autonomy to change one's body, associated with recent technological advancement. The novel characterizes this metaphorization process as questionable, positing it with a character who represents not just the Frankenstein archetype but a possibly metaphysical, non-human entity. However, despite this inherent critique of harmful practices of objectification and exploitation of trans* people, "Frankissstein" ultimately reproduces similar practices in other aspects of its trans* representation.
It is an established policy in the United States to separate commercial banking (the business of taking deposits and making commercial loans) from other commercial activities. The separation of banking and commercial activities is achieved by federal and state banking laws, which enumerate the powers that banks may exercise, the activities that banks may engage in, and the investments that banks may lawfully make, and expressly exclude banks from certain activities or relationships. Some of these provisions could be circumvented if a nonbank company could carry on banking activities through a banking subsidiary and nonbanking activities either itself or through a nonbanking subsidiary.
We assess the relationship between finance and growth over the period 1980-2014. We estimate a cross-country growth regression for 48 countries during 20 periods of 15 years starting in 1980 (to 1995) and ending in 1999 (to 2014). We use OLS and IV estimations and we find that: 1) overall financial development had a positive effect on economic growth during all periods of our sample, i.e., we confirm that from 1980 to 2014 financial services provided by the various financial systems were significant (to various degrees) for firm creation, industrial expansion and economic growth; but that, 2) the structure of financial markets was particularly relevant for economic growth until the financial crisis; while 3) the structure of the banking sector played a major role since; and finally that, 4) the legal system is the primary determinant of the effectiveness of the overall financial system in facilitating innovation and growth in (almost) all of our sample period. Hence, overall our results suggest that the relationship between finance and growth matters but also that it varies over time in strength and in sector origination.
JEL Classification: O16, G16, G20.
Conference Reader zur gemeinsam von Athansios Orphanides (Federal Reserve Board, Washington D.C.), John C. Williams (Federal Reserve Bank of San Francisco), Heinz Hermann (Deutsche Bundesbank), und Volker Wieland (Center for Financial Studies and Goethe University Frankfurt) organisierten Konferenz, die vom 30. - 31. August, 2003 in Eltville stattgefunden hat. Inhaltsverzeichnis: * Volker Wieland (Director Center for Financial Studies): Foreword * Hans Georg Fabritius (Member of the Executive Board of the Deutsche Bundesbank): Opening Remarks * Charles Goodhart (Norman Sosnow Professor of Banking and Finance at the London School of Economics and External Member of the Bank of England's Monetary Policy Commitee): After Dinner Speech * Paper Abstracts * List of Participants
"European" interventions
(2017)
'Enough'-/'too'-constructions (E/T constructions) have an implicative reading: e.g., "Mary was clever enough to leave early yesterday" entails Mary left early yesterday. I argue that this implicative reading is not due to the lexical semantics proper of 'enough'/'too', but due to its bi-clausal structure (e.g., the above-mentioned example is analyzed as "Mary left early yesterday because she was clever enough"). I analyze 'enough' and 'too' simply as degree modifiers that involve a comparison: 'enough' means reaching the lower bound of an interval, while 'too' means exceeding the upper bound of an interval. Then inspired by Schulz (2011), Baglini and Francez (2015), and Nadathur (2016), I relate the semantics of E/T constructions to causal dependence: due to some sufficiency/excess, the infinitival complement clause in E/T constructions is episodically or generically (depending on its aspect being perfective or imperfective) true/false. I also argue that this infinitive has its tense and aspect marked on the main predicate of sentences, resulting in the seeming correlation between aspect and implication in languages that overtly make a distinction between perfective and imperfective aspects (e.g., French).
PELDOR (pulse electron-electron double resonance) is an established method to study intramolecular distances and can give evidence for conformational changes and flexibilities. However, it can also be used to study intermolecular interactions as for example oligerimization. Here, we used PELDOR to study the ‘end-to-end’ stacking of small double stranded (ds)RNAs. For this study, the dsRNA molecules were only singly labelled with the spin label TPA to avoid multi-spin effects and to measure only the intermolecular stacking interactions. It can be shown that small dsRNAs tend to assemble to rod-like structures due to π-π-interactions between the base pairs at the end of the strands. On the one hand, these interactions can influence or complicate measurements aimed at the determining of the structure and dynamics of the dsRNA molecule itself. On the other hand, it can be interesting to study such intermolecular stacking interactions in more detail, as for example their dependence on ion concentration. We quantitatively determined the stacking probability as a function of the monovalent NaCl salt and the dsRNA concentration. From this data the dissociation constant Kd was deduced and found to depend on the ratio between the NaCl salt and dsRNA concentrations. Additionally, the distances and distance distributions obtained predict a model for the stacking geometry of dsRNAs. Introducing a nucleotide overhangs at one end of the dsRNA molecule restricts the stacking to the other end, leading only to dimer formations. Introducing such an overhang at both ends of the dsRNA molecule fully suppresses stacking, as we could demonstrate by PELDOR experiments quantitatively.
Die Ausstellung in der Universitätsbibliothek wird noch bis zum 26. Februar 2023 verlängert
This paper seeks to demonstrate the ways in which Bachmann's work constitutes a prime case for examining the scope and the boundaries of philological research. It does so by focusing on Bachmann‘s fragmentary and unfinished novel, "Das Buch Franza" [1965-1966], exploring the text and its author in an interdisciplinary light. Forming part of Bachmann's uncompleted "Todesarten"-Projekt, "Das Buch Franza" deals with the continuing legacy of fascism and its displaced forms in the post-war era. In its thematisation of the traumatic and necessarily belated after-effects of the Second World War and the Holocaust, Bachmann‘s text draws on various disciplines and discourses, namely geology, archaeology and psychoanalysis. I consider the ways in which the interdisciplinary ambitions of the text reflect Bachmann‘s struggle for a new form of representation, one that adequately mirrors the concerns of her society. Finally, drawing on Bachmann‘s own theoretical reflections on the field of literary study in her Frankfurt Lectures on poetics, I trace the ways in which the author's work repeatedly encourages us to adopt multiple disciplinary perspectives, as well as privileging literature with a utopian function that exceeds any generic or disciplinary boundaries.
The experience in the period during and after the Asian crisis of 1997-98 has provoked an extensive debate about the credit rating agencies' evaluation of sovereign risk in emerging markets lending. This study analyzes the role of credit rating agencies in international finan-cial markets, particularly whether sovereign credit ratings have an impact on the financial stability in emerging market economies. The event study and panel regression results indicate that credit rating agencies have substantial influence on the size and volatility of emerging markets lending. The empirical results are significantly stronger in the case of government's downgrades and negative imminent sovereign credit rating actions such as credit watches and rating outlooks than positive adjustments by the credit rating agencies while by the market participants' anticipated sovereign credit rating changes have a smaller impact on financial markets in emerging economies.
Vasointestinal peptide metabolism plays a key physiological role in multimodular levels of vasodilatory, smooth muscle cell proliferative, parenchymal, and inflammatory lung reactions. In animal studies, vasointestinal peptide relaxes isolated pulmonary arterial segments from several mammalian species in vitro and neutralizes the pulmonary vasoconstrictor effect of endothelin. In some animal models, it reduces pulmonary vascular resistance in vivo and in monocrotaline-induced pulmonary hypertension. A 58-year-old woman presented with dyspnea and mild edema of the lower extremities. A bronchoscopy was performed without any suspicious findings suggesting a central tumor or other infiltrative disease. Endobronchial ultrasound revealed enlarged pulmonary arteries containing thrombi, a few enlarged lymph nodes, and enlarged mediastinal tissue anatomy with suspicion for mediastinal infiltration of a malignant process. We estimated that less than 10% of the peripheral vascular bed of the lung was involved in direct consolidated fibrosis as demonstrated in the left upper lobe apex. Further, direct involvement of fibrosis around the main stems of the pulmonary arteries was assumed to be low from positron emission tomography and magnetic resonance imaging scans. Assuming a positive influence of low-dose radiation, it was not expected that this could have reduced pulmonary vascular resistance by over two thirds of the initial result. However; it was noted that this patient had idiopathic pulmonary arterial hypertension mixed with "acute" (mediastinal) fibrosis which could have contributed to the unexpected success of reduction of pulmonary vascular resistance. To the best of our knowledge, this is the first report of successful treatment of idiopathic pulmonary arterial hypertension, probably as a result of low-dose radiation to the pulmonary arterial main stems. The patient continues to have no specific complaints concerning her idiopathic pulmonary arterial hypertension.
German Expressionist cinema is a movement that began in 1919. Expressionist film is marked by distinct visual features and performance styles that rebel against prior realist art movements. More than 20 years prior to the Expressionist movement, Sigmund Frued published "The Interpretation of Dreams" in 1899, a ground breaking study that links dreams to unconcious impulses. This thesis argues that the unexplained dream - like imagery found in two Expressionist films, The Cabinet of Dr. Caligari (Robert Wiene, 1920) and Dr. Mabus, the Gambler (Fritz Lang, 1922) - can be seen in terms of Freud's model of dreaming.
"Che tempo, che tempo": Geology and Environment in Max Frisch’s 'Der Mensch erscheint im Holozän'
(2016)
Critical readings of Frisch’s Der Mensch erscheint im Holozän [Man in the Holocene] have tended to read its heterogeneous and inter-medial form as a code for the mental disintegration of its protagonist. This paper argues instead that this feature can be seen as a poetological engagement with geological and climatic timescales. Due to its hybrid form, the incorporation of a multiplicity of textual fragments and pictorial representations, the text undermines both conventional definitions of narrative and representations of nature. Holozän’s non-linear structure establishes an aesthetic of slowness that ushers in an awareness of the utterly different time schemes of geological and climatic processes. Furthermore, the importance of the material features, such as an interplay between text and image and the disconnected, paratactical arrangement of sentences mirrors the novel’s focus on natural phenomena. Frisch’s narrative establishes a poetics that tries to reach beyond the confinements of an anthropocentric perspective and thereby subverts the borders between culture and environment.
Franz Kafka's (1883-1924) "Die Brücke" is one of the less well-known texts by one of the most prolific authors of literary modernity. However, this short prose text embodies prevalent questions of literary modernity and philosophy as it reflects the crisis of language in regard of identity, communication, and literary production. Placed in the context of fin-de-siècle's discourse of language crisis, this article provides a dialogue between Kafka's "Die Brücke" and Hannah Arendt's (1906-1975) philosophy of thinking and speaking in "The Life of the Mind". Contrary to Arendt's understanding of the metaphor as "a carrying over" between the mental activities of the solitude thinker and a reconciliation with the pluralistic world shared with others, this article argues for a deconstructionist reading of "Die Brücke" as a tool to reevaluate Arendt"s notion of a shared human experience ensured through language and illustrates the advantages of poetic texts within philosophical discourses.
"Back to basics" : a cognitive analysis of conversion de-adjectival nominalisation in English
(2003)
The contributions of Korean and Taiwanese authors to the many and varied formulations of interwar pan-Asianism have so far remained a relatively unexplored subject of scholarly research, despite an unbroken interest in the trajectory of state-based Japanese pan-Asianism. Focusing on Korean students and independence activists, this article discusses alternative configurations of regional unity and solidarity that emanated from the interactions among Korean, Taiwanese, and other Asian actors who resided in Tokyo during the 1910s and 1920s. When the ethnic-nationalist interpretations of the Wilsonian principle of self-determination failed to materialize, a portion of anti-colonial activists in Asia began to emphasize the need for solidarity by drawing on what they perceived as traditional and shared “Asian” values. While challenging the Western-dominated international order of nation-states that perpetuated imperialism, such notions of Asian solidarity at the same time served as an ideology of liberation from Japanese imperialism. Examining journals published by Korean students and activists, including The Asia Kunglun, this article adds another layer to the history of pan-Asianism from below, a perspective that has often been neglected within the larger context of scholarship on pan-Asianism and Japanese imperialism in Asia.
From 1945 to the early 1960s, the US government undertook numerous atomic and hydrogen bomb tests. These full-scale explosions were recorded on film from various angles, and at different speeds. Indeed, it soon became required to obtain images of the very first milli-seconds of the expanding phase of the atomic fireball. Ultrahigh-speed cameras able to produce such images were specifically developed for that purpose. This article explores the different “media-temporalities” that intersect in those images. I focus on the “micro-processes happening on a technical level that are very fast,” and more specifically the ones that go into the “Rapatronic camera” designed by Harold Edgerton (head of the US national defense contractor company EG&G) to record the atomic fireball early formation. The scientific slow-motion films and high-speed photographic images operate at the junction of the micro-scale temporality of the atomic explosions’ early phases, and the macro-scale temporality of the political and ecological implications of these explosions. I argue that these films are the objects and inscriptions of micro-temporalities, macro-history and geological times.
The conference "Kunst und Gebrechen" ("Art and Defects"), which was scheduled from March 19th to March 21st and then postponed due to Covid-19, finally took place from November 5th through to November 7th. [...] The conference had a clear biographical focus: Most of the fourteen presentations sought to disentangle the influence any clear "defects" artists might have had on their work or their reception. Of course, this already poses a problem that many of the speakers addressed: the idea of "defects" presupposes a teleological norm, be it physical, mental or concerning age or gender, from which it is possible to deviate. A defect is a defect first and foremost in the eye of the beholder and, as Manfred Kern mentioned in his introduction, it can be seen not just as an impediment, but as a catalyst for artistic expression, too.
In the present paper, we tested the ability of individuals to judge correctly whether athletes are lying or telling the truth. For this purpose, we first generated 28 videos as stimulus material: in half of the videos, soccer players were telling the truth, while in the other half, the same soccer players were lying. Next, we tested the validity of these video clips by asking N = 65 individuals in a laboratory experiment (Study 1a) and N = 52 individuals in an online experiment (Study 1b) to rate the level of veracity of each video clip. Results suggest that participants can distinguish between true and false statements, but only for some clips and not for others, indicating that some players were better at deceiving than others. In Study 2, participants again had to make veracity estimations, but we manipulated the level of information given, as participants (N = 145) were randomly assigned to one of three conditions (regular video clips, mute video clips, and only the audio stream of each statement). The results revealed that participants from the mute condition were less accurate in their veracity ratings. The theoretical and practical implications of these findings are discussed.
Romantic comedies are not renowned for intricate storytelling and have rarely been deemed worthy of the sustained scholarly attention of analytic ‘close readings’. What applies to the genre as a whole applies no less to its music, which has yet to be discovered by film musicology as a field of enquiry. But genre films such as romcoms can be highly self-conscious and self-reflexive, and can show a playfulness in their use of cinematic techniques that may be as much fun for the analyst as for the audience.
In the framework of the relativistic quantum dynamics approach we investigate antiproton observables in Au-Au collisions at 10.7A GeV. The rapidity dependence of the in-plane directed transverse momentum p(y) of p's shows the opposite sigh of the nucleon flow, which has indeed recently been discovered at 10.7A GeV by the E877 group. The "antiflow" of p's is also predicted at 2A GeV and at 160 A GeV and appears at all energies also for pi's and K's. These predicted p anticorrelations are a direct proof of strong p annihilation in massive heavy ion reactions.
Using arguments based on the data on verb agreement (pronominalization) in Tibeto-Burman, LaPolla 1989 (see also LaPolla 1992) argues that Proto-Tibeto-Burman should be reconstructed as a language with no inflectional morphology. In that paper it is argued that the Proto-Tibeto- Burman system of grammatical relations1 was closer to the typical 'role-dominated' (Van Valin & Foley 1980) Burmese-Yipho system (epitomized by Lahu—see Matisoff 1973). That is, a system where there is no definable 'subject' or 'direct object'; a system where semantic and pragmatic principles govern the organization of discourse, not syntactic functions. In this paper we look at the nature of 'objects' in Tibeto-Burman languages, and here also find support for this view of Proto-Tibeto-Burman grammatical relations. From a survey of ninety-five reliable grammars or descriptions of languages in the Tibeto-Burman family, I found eleven languages with no nominal object marking, twenty languages with nominal morphology consistently marking the patient as object, regardless of clause type, and sixty-four languages with a type of marking where the patient in monotransitve clauses is often or always marked with the same postposition as the goal or beneficiary (dative) in ditransitve clauses. This type of marking is discussed in Dryer 1986 as Primary Object marking. I argue that this type of marking in the Tibeto-Burman languages reflects the semantically based nature of grammatical relations in Proto-Tibeto-Burman.
This paper uses laboratory experiments to provide a systematic analysis of how di↵erent presentation formats a↵ect individuals’ investment decisions. The results indicate that the type of presentation as well as personal characteristics influence both, the consistency of decisions and the riskiness of investment choices. However, while personal characteristics have a larger impact on consistency, the chosen risk level is determined more by framing e↵ects. On the level of personal characteristics, participants’ decisions show that better financial literacy and a better understanding of the presentation format enhance consistency and thus decision quality. Moreover, female participants on average make less consistent decisions and tend to prefer less risky alternatives. On the level of framing dimensions, subjects choose riskier investments when possible outcomes are shown in absolute values rather than rates of return and when the loss potential is less obvious. In particular, reducing the emphasis on downside risk and upside potential simultaneously leads to a substantial increase in risk taking.
The paper is aimed at contributing to an empirically grounded understanding of the psychosocial dynamics that underlie the relation between heteronormative images of masculinity, internalized heterosexism and health behavior of gay men in the global North. It is based on a qualitative interview study that focuses on the consequences of the internalization of dominant images of masculinity for the identity constructions of gay men and their HIV-related sexual risk behavior in Germany. In the paper it will be argued that 1) the tension between the authoritative image of masculinity that is determined by heteronormative discourses one the one hand and the gendered self-image that is shaped and threatened by connotations of a non-masculine homosexuality on the other constitutes a decisive issue of gay identity constructions, 2) a higher sexual risk behavior can be understood as a possible consequence of the internalization of masculine images and its impact on the self-esteem, if the self-image does not match the male ideal, and 3) this may include a paradoxical desire for the imagined masculinity that is experienced as violent with regard to one’s own psychodynamics. Finally, perspectives on gay masculinities that may transgress dominant heteronormative modes of subjectification are discussed.
"A team", definitely
(2004)
Chemokines play a key role in the cellular infiltration of inflamed tissue. They are released by a wide variety of cell types during the initial phase of host response to injury, allergens, antigens, or invading microorganisms, and selectively attract leukocytes to inflammatory foci, inducing both migration and activation. Monocyte chemoattractant protein-1 (MCP-1), a member of the CC chemokine superfamily, functions in attracting monocytes, T lymphocytes, and basophils to sites of inflammation. MCP-1 is produced by monocytes, fibroblasts, vascular endothelial cells and smooth muscle cells in response to various stimuli such as tumour necrosis factor-a (TNF-a), interferon-g (IFN-g), and interleukin-1b (IL-1b). It also plays an important role in the pathogenesis of chronic inflammation, and overexpression of MCP-1 has been implicated in diseases including glomerulonephritis and rheumatoid arthritis. Oligonucleotide-directed triple helix formation offers a means to target specific sequences in DNA and interfere with gene expression at the transcriptional level. Triple helix-forming oligonucleotides (TFOs) bind to homopurine/homopyrimidine sequences, forming a stable, sequence-specific complex with the duplex DNA. Purine-rich sequences are frequent in gene regulatory regions and TFOs directed to promoter sequences have been shown to prevent binding of transcription factors and inhibit transcription initiation and elongation. Exogenous TFOs that bind homopurine/ homopyrimidine DNA sequences and form triple-helices can be rationally designed, while the intracellular delivery of single-stranded RNA TFOs has not been studied in detail before. In this study, expression vectors were constructed which directed transcription of either a 19 nt triplex-forming pyrimidine CU-TFO sequence targeting the human MCP-1 or two different 19 nt GU- or CA-control sequences, respectively, together with the vector encoded hygromycin resistance mRNA as one fusion transcript. HEK 293 cells were stable transfected with these vectors and several TFO and control cell lines were generated. Functional relevant triplex formation of a TFO with a corresponding 19 bp GC-rich AP-1/SP-1 site of the human MCP-1 promoter was shown. Binding of synthetic 19 nt CUTFO to the MCP-1 promoter duplex was verified by triplex blotting at pH 6.7. Underlining binding specificity, control sequences, including the GU- and CA-sequence, a TFO containing one single mismatch and a MCP-1 promoter duplex containing two mismatches, did not participate in triplex formation. Establishing a magnetic capture technique with streptavidin microbeads it was verified that at pH 7.0 the 19 nt TFO embedded in a 1.1 kb fusion transcript binds to a plasmid encoded MCP-1 promoter target duplex three times stronger than the controls. Finally, cell culture experiments revealed 76 ± 10.2% inhibition of MCP-1 protein secretion in TNF-a stimulated CU-TFO harboring cell lines and up to 88% after TNF-a and IFN-g costimulation in comparison to controls. Expression of interleukin-8 (IL-8) as one TNF-a inducible control gene was not affected by CU-TFO, demonstrating both highly specific and effective chemokine gene repression. Furthermore, another chemokine target, regulated upon activation normal T cell expressed and secreted (RANTES), which plays an essential role in inflammation by recruiting T lymphocytes, macrophages and eosinophils to inflammatory sites, was analysed using the triplex approach. A 28 nt TFO was designed targeting the murine RANTES gene promoter, and gel mobility shift assays demonstrated that the phosphodiester TFO formed a sequencespecific triplex with the double-stranded target DNA with a Kd of 2.5 x 10-7 M. It was analysed whether RANTES expression could be inhibited at the transcriptional level testing the TFO in two different cell lines, T helper-1 lymphocytes and brain microvascular endothelial cells (bend3 cells). Although there was a sequence-specific binding of the TFO detectable in the gel shift assays, there was no inhibitory effect of the exogenously added and phosphorothioate stabilised TFO on endogenous RANTES gene expression visible. Additionally, the small interfering RNA (siRNA) approach was tested as another strategy to inhibit expression of the pro-inflammatory chemokines MCP-1 and RANTES. Two different methods were pursuit, describing transient transfection with vector derived and synthetic siRNA. The vector pSUPER containing the siRNA coding sequence was used to suppress endogenous MCP-1 in HEK 293 cells. An empty vector without RNA sequence served as a control. Inhibition due to the siRNA was measured in stimulated and unstimulated cells. In TNF-a stimulated cells MCP-1 protein synthesis was decreased by 35 ± 11% after siRNA transfection. Using a synthetic double-stranded siRNA, the TNF-a induced MCP-1 protein secretion could be successfully inhibited about 62.3 ± 10.3% in HEK 293 cells, indicating that the siRNA is functional in these cells to suppress chemokine expression. The siRNA approach targeting murine RANTES in Th1 cells and b-end3 cells revealed no inhibition of endogenous gene expression. Gene therapy approaches rely on efficient transfer of genes to the desired target cells. A wide variety of viral and nonviral vectors have been developed and evaluated for their efficiency of transduction, sustained expression of the transgene, and safety. Among them, lentiviruses have been widely used for gene therapy applications. In order to improve the delivery of TFOs or siRNAs into the target cells, cloning of the lentiviral transfer vector SEW, the production of lentiviral particles by transient transfection were performed with the aim to generate lentiviral vector-derived TFOs in further experiments. Here, Th1 cells were transduced with infectious lentiviral particles and transduction efficacy was measured. Transduction efficacy higher than 82% could be achieved using the lentiviral vector SEW, opening optimal possibilities for the TFO or siRNA approach.
"A manager in the minds of doctors" : a comparison of new modes of control in European hospitals
(2013)
Background: Hospital governance increasingly combines management and professional self-governance. This article maps the new emergent modes of control in a comparative perspective and aims to better understand the relationship between medicine and management as hybrid and context-dependent. Theoretically, we critically review approaches into the managerialism-professionalism relationship; methodologically, we expand cross-country comparison towards the meso-level of organisations; and empirically, the focus is on processes and actors in a range of European hospitals.
Methods: The research is explorative and was carried out as part of the FP7 COST action IS0903 Medicine and Management, Working Group 2. Comprising seven European countries, the focus is on doctors and public hospitals. We use a comparative case study design that primarily draws on expert information and document analysis as well as other secondary sources.
Results: The findings reveal that managerial control is not simply an external force but increasingly integrated in medical professionalism. These processes of change are relevant in all countries but shaped by organisational settings, and therefore create different patterns of control: (1) ‘integrated’ control with high levels of coordination and coherent patterns for cost and quality controls; (2) ‘partly integrated’ control with diversity of coordination on hospital and department level and between cost and quality controls; and (3) ‘fragmented’ control with limited coordination and gaps between quality control more strongly dominated by medicine, and cost control by management.
Conclusions: Our comparison highlights how organisations matter and brings the crucial relevance of ‘coordination’ of medicine and management across the levels (hospital/department) and the substance (cost/quality-safety) of control into perspective. Consequently, coordination may serve as a taxonomy of emergent modes of control, thus bringing new directions for cost-efficient and quality-effective hospital governance into perspective.
"A groundbreaking decision"
(2018)
The essay provides a contrapuntal "parallactic" reading of Johann Wolfgang Goethe's "Bildungsroman" Wilhelm Meisters Lehrjahre - with its extensions Wilhelm Meisters theatralische Sendung and Wilhelm Meisters Wanderjahre - and James Joyce's high modernist A Portrait of the Artist as a Young Man (1916) and Ulysses (1922). Derived from astronomy, the term parallax designates, transferred to literary history, a narrative stratagem, a metapoetical rationale, and an interpretive method. Joyce employs it as a key concept and narrative tool in Ulysses to denote a stereoscopic perspective applied to the protagonists’ actions and the world they live in. Leopold Bloom thus refl ects on it and the technique of Ulysses is determined by it. On a higher plane, literary critics, too, engage in literary historical parallax whenever they read texts intertextually — as exemplified in this essay. A parallactic reading of the novels’ protagonists Wilhelm Meister and Stephen Dedalus, as regards not just their identification with Shakespeare’s Hamlet but also the symbolic connotations embedded in their names and mythological pretexts, allows us to shed new light on the roles and significance of narrative irony, chance, and paternity in these novels.
This paper examines the political-economy and cultural dynamics and discourses underlying the emergence of the Palestinian Hamas and the Algerian Islamic Salvation Front. Both movements emerged in the late 1980s as responses to continuing (neo) colonial conditions in their countries. I explore to what extent the various processes commonly referred to as “globalization,” both the world-wide economic transformations epitomized by post-fordism on the macro/system level and neo-liberal structural adjustment programs within countries, and—perhaps more important—its cultural dynamics contributed to the rise and power of both movements. I examine the socio-economic situation in Algeria and Palestine-Israel during the 1980s and link it to the politics developments in both countries. Next I review the events behind the founding of both movements and the main components of their ideologies and strategies. Finally I explore their arguments to determine whether the political-economic or cultural pressures unleashed by globalization were the determining factor in their emergence and ideological development. I conclude by comparing the two case studies to determine if there are common threads that can serve as the basis for a region-wide investigation of the role of globalization in the emergence and/or rise to social hegemony of Islamist movements in other MENA countries.
Three-taxon statement analysis (3TA) is a method that may help to formalize the taxonomical intuition of the synapomorphy of the clade as a combination of its diagnostic traits, even if each trait, if taken separately, may be found in one or many other taxa of the same relationship. Using example based on the real morphological data, we are showing that 3TA can recognize clade in case of the complete lack of it synapomorphies, as optimized under the criterion of standard parsimony.
Canada’s geographic centre lies in the Territory Nunavut. From here the distance to the geographic North Pole is as far as to the US border. Nunavut takes up about 1/5 of the Canadian land mass but has by far the smallest population with currently about 38,000 residents. 85% of its population are Inuit whose culture dramatically changed within the last 70 years.
As a result, the territory is dealing with several generations of Inuit that are traumatized or at least severely affected by cultural and economic changes that started after World War 2 with the resettlement from the land into permanent communities. No matter if we are talking about the actual elders, mid-age adults or pre-teenagers, each of this generation experienced and still experiences various personal and cultural challenges of identity, financial and housing insecurity, food insecurity, substance abuse education, change of social values ranging from inter-generational and gender relationships to the introduction of a foreign political and legal system.
On the other side, a lot of the traditional societal values are still being practiced in Inuit families. Despite all the tragedies that several generations of Inuit have experienced by now, the society keeps generating the strength and cultural pride that allows many Inuit both, as individuals and as a collective under the umbrella of either Inuit Land Claims or not for profit organizations to advocate on behalf of Inuit culture, to fight for more acknowledgement of Inuit culture and to enhance pride in the historic and present day cultural achievements of Nunavut’s indigenous population.
The social issues, inter- and intra-cultural processes described in my thesis are not exclusive to the situation in Nunavut or to Inuit. Studies from other regions, in Canada or from around the world (LaPrairie 1987; Jensen 1986; Nunatsiaq News 6/30/2010) reveal similar challenges.
Though many structural similarities can be identified by comparing these studies with each other, e.g. marginalization of the indigenous local population, colonization, paternalism and resulting issues like personal and cultural identity loss, it is important to have a more in depth look into the single cases to determine which individual events and developments causes and maybe still cause such a devastating social situation as it is found among many indigenous peoples across the world. From my perspective effective improvements of the situation of a group, a respective community or region can only happen when particularities of socialization, communication and philosophy in the single cultural entities are being considered.
That is why my thesis will exclusively focus on developments in Nunavut and use various case studies of communities. The case studies shall help to identify local differences in historic and recent developments and thus provide starting points for explanations of different developments in different Nunavut communities.
The thesis is looking at both, historic and recent root causes for the many issues in Nunavut.
The data that my my thesis is based on are a combination of literature and about 60 formal and informal interviews that I conducted in three Nunavut communities (Iqaluit, Whale Cove, Kugluktuk) during my 18 months of field work between October 2008 and March 2010. Many more spontaneous unstructured conversations between me and community members added to the pool of first-hand information that I gathered.
Since my field work is limited to those three communities it has a very strong qualitative character. The quantitative side, which allows me to confidently apply my research analyses to entire Nunavut, comes from literature research as well as many informal conversations and a few formal interviews that I conducted with people who had some experience in other communities than Iqaluit, Kugluktuk and Whale Cove.
Furthermore, while I was living at the old residence of the Nunavut Arctic College in Iqaluit, I spend time with college students from across Nunavut. Through them, I obtained „case studies “from following communities: Iqaluit, Qikiqtarjuaq, Kimmirut, Pangnirtung, Clyde River, Pond Inlet, Igloolik, Repulse Bay, Cape Dorset, Chesterfield Inlet, Baker Lake, Rankin Inlet, Whale Cove, Arviat, Taloyoak, Kugluktuk.
My general categorization of “early contact period”, “contact”, “1st generation” and “2nd generation” is very similar to Damas’ terms of “early contact phase”, “contact – traditional”, “resettlement” that he uses to create a timeline that describes the major phases of impact for Inuit society (Damas 2002: 7, 17).
Chapters 2 is meant to provide an inventory of the key aspects of current social issues in Nunavut. In this context I am looking at the four major aspects that in my opinion shape Nunavut’s society:
1) violence and other forms of social dysfunctions
2) the associated services and delivering agencies that try to address those matters
3) Education
4) Inuit cultural particularities in communication and socialization
Those four areas are forming the foundation for the rest of my work. The following chapters will guide the reader through the historic transformation process of Inuit pre-colonial semi-nomadic society to a society that is living in permanent settlements, strongly influenced if not in many ways dominated by Euro-Canadian culture. Each of those chapters will be referring to the social and cultural changes that happened in the different time periods that I labeled with “Pre-settlement, First, Second, and Third Generation”. The relevance of violence and other social dysfunctions, their context and strategies how each generation dealt with those matters will be analyzed while I will be also referring to the impacts that non-Inuit, primarily Euro-Canadians and Euro-Americans had and have on Inuit society.
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“WAR IS PEACE, FREEDOM IS SLAVERY, AND IGNORANCE IS STRENGTH”. The slogan from George Orwell’s “1984” dystopia appears to capture the state of Russia’s 2014 official discourse quite accurately. This has not gone unnoticed by public and academic spectators in and outside Russia: while Bild magazine is counting Putin’s lies in his recent ARD interview, a Zeit article declares Russia itself to be a post-modern “lie”...
The only lists of Hydrophiloidae (Coleoptera: Hydrophilidae, Helophoridae, Hydrochidae, and Hydraenidae) from the mid-Atlantic region are Ulke (1902) who reported 46 species from the District of Columbia and Matta (1974) who presented keys and short descriptions for the 49 aquatic species of Hydrophilidae of Virginia. The following checklist records 103 species (75 aquatic) from Maryland. Comparable lists of aquatic species for other states are as follows: 53 species recorded from Florida by Young (1954); 20 species recorded from Ithaca, New York by Swenson (1982); 67 species from North and South Carolina by Brigham (1982); and 47 species from Illinois by Wooldridge (1967). Hatch (1965) recorded 128 species (of all habitats, 102 aquatic) from the Pacific Northwest; and 88 species (67 aquatic) reported from New York by Leng (1928).