Abhängigkeitsscham und Trennungsschuld in der deutsch-deutschen Erziehungspraxis. [Symposion 18. Psychoanalytische Pädagogik in Europa: Geschichte - Institutionen - Handlungsformen]

Nach einer Reflexion über Abhängigkeitsscham und Trennungsschuld im Allgemeinen geht es um Probleme der Befindlichkeiten in der deutsch-deutschen Erziehungspraxis nach der Wende, deren Reform noch aussteht. (DIPF/Sch.

Dielectric anisotropy and phonon modes of ordered indirect-gap Al\u3csub\u3e0.52\u3c/sub\u3eIn\u3csub\u3e0.48\u3c/sub\u3eP studied by far-infrared ellipsometry

The infrared (100–600 cm−1) optical properties of partially CuPt-type ordered Al0.52In0.48P deposited lattice matched on GaAs are studied by ellipsometry. The authors determine the ordinary and extraordinary dielectric functions and report on the evolution of the optical phonon mode frequencies of Al0.52In0.48P as a function of the degree of ordering. In addition to the InP- and AlP-like phonon modes, they observe two alloy-induced phonon modes which are anisotropic upon CuPt ordering. The observed modes are associated to vibrations with E and A1 symmetries. The alloy-induced phonon modes are useful for classifying the degree of ordering in this indirect band gap alloy

Effects of the PPAR-β/δ agonist GW0742 during resuscitated porcine septic shock.

BACKGROUND: In un-resuscitated rodent models of septic shock, the peroxisome proliferator-activated receptor-β/δ (PPAR-β/δ) agonist GW0742 improved visceral organ function. Therefore, we tested the hypothesis whether GW0742 would attenuate kidney injury during long-term, resuscitated, porcine polymicrobial septic shock. METHODS: Six, 12, and 18 h after the induction of fecal peritonitis by inoculation of autologous feces, anesthetized, mechanically ventilated, and instrumented male pigs with pre-existing atherosclerosis resulting from familial hypercholesteremia and atherogenic diet randomly received either vehicle (dimethyl sulfoxide, n = 12) or GW0742 (n = 10). Resuscitation comprised hydroxyethyl starch and norepinephrine infusion titrated to maintain mean arterial pressure at baseline values. RESULTS: Despite aggressive fluid resuscitation, fecal peritonitis was associated with arterial hypotension requiring norepinephrine infusion, ultimately resulting in progressive lactic acidosis and acute kidney injury. GW0742 did not beneficially affect any parameter of systemic and regional hemodynamics, gas exchange, metabolism, or organ function. The parameters of inflammation, oxidative and nitrosative stress, and organ injury (post-mortem analysis for histomorphology and markers of apoptosis) were not influenced either. Immunohistochemistry of pre-shock kidney biopsies from a previous study in this swine strain showed markedly lower PPAR-β/δ receptor expression than in healthy animals. CONCLUSIONS: In swine with pre-existing atherosclerosis, the PPAR-β/δ agonist GW0742 failed to attenuate septic shock-induced circulatory failure and kidney dysfunction, most likely due to reduced receptor expression coinciding with cardiovascular and metabolic co-morbidity

Lasing in cuprous iodide microwires

We report on the observation of lasing in cuprous iodide (CuI) microwires. A vapor-phase transport growth procedure was used to synthesize CuI microwires with low defect concentration. The crystal structure of single microwires was determined to be of zincblende-type. The high optical quality of single microwires is indicated by the observed series of excitonic emission lines as well as by the formation of gain under optical excitation. Lasing of triangular whispering-gallery modes in single microwires is demonstrated for fs- and ns-excitation from cryogenic temperatures up to 200 K. Timeresolved micro-photoluminescence studies reveal the dynamics of the laser process on the time scale of several picoseconds

Linksventrikuläre Druck-Volumen-Beziehung im septischen Schock bei Schweinen mit vorbestehender koronarer Herzerkrankung

Die vorliegende Studie wurde an einem Tiermodell durchgeführt, um die linksventrikulären Funktionen im septischen Schock bei vorbestehender koronarer Herzerkrankung (hier Arteriosklerose) zu bewerten. Die Verwendung von Schweinen gestattet es, aufgrund der im Vergleich zum Menschen größten Homologie insb. der Myokardfunktionen eine Aussage über die linksventrikulären hämodynamischen Herzparameter im septischen Schock bei koronarer Vorerkrankung zu erhalten.Das Modell erfüllt so die von verschiedenen Autoren formulierten Kriterien eines klinisch relevanten Modells des septischen Schocks, wie er im Alltag der Intensivmedizin auftritt. Die Auslösung des septischen Schocks durch eine fäkale Peritonitis repräsentiert schließlich die wichtigste Ursache eines septischen Schocks bei (nicht-kardiochirurgischen) operativen Patienten. Hinzu kommt mit vorbestehender koronarer Herzerkrankung (Koronarsklerose) eine Ko-Morbidität hinzu, wie sie auf Intensivstationen insb. bei älteren Patienten häufig anzutreffen ist. Vor Induktion der Sepsis sowie 12 und 24 Stunden danach wurden mit einem Konduktanz-Katheter die hämodynamischen Messungen im linken Ventrikel des Versuchstieres durchgeführt