566 resultados para Umbilical, cordon
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Welsch (Projektbearbeiter): Bestätigung des Gesetzes vom 7. September 1848 über die Aufhebung der bäuerlichen Untertänigkeit (völlige Aufhebung des Robots und der Robotgelder, der Grundherrschaftslasten gegen Entschädung). Nebst eingehenden Ausführungsbestimmungen
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Welsch (Projektbearbeiter): Auflösung des zu Kremsier tagenden Reichstages und Oktroyierung einer Verfassung für "das einige und untheilbare Kaiserthum Österreich"
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Welsch (Projektbearbeiter): Oktroyierte Verfassung vom 4. März 1849: Gleichberechtigung von Nationalität und Sprache, Aufhebung der Untertänigkeit, Glaubensfreiheit, Freiheit von Wissenschaft und Lehre, freie Meinungsäußerung, Zensurverbot, Freiheit der Person, Unverletzlichkeit der Wohnung, Achtung des Briefgeheimnisses, Vereidigung des Heeres auf die Reichsverfassung. Dagegen stehen: Option der zeitweisen Aufhebung dieser Rechte im Kriegsfall und bei inneren Unruhen, direkte Volkswahlen nur zum Unterhaus, keine Abschaffung der Standesvorrechte. Einordnung der einzelnen - nun erstmals so genannten - 'Kronländer' in den Rahmen eines "großösterreichischen Einheitsstaates" [Walter: Österr. Verf.- u. Verw.gesch., 167], der "freie[n] selbstständige[n], untheilbare[n] und unauflösbare[n] constitutionelle[n] österreichische[n] Erbmonarchie". Völlige Unabhängigkeit Kroatien und Slawoniens sowie Siebenbürgens von Ungarn
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Welsch (Projektbearbeiter): Zur Wiederherstellung des "auf das Tiefste erschütterten öffentlichen Rechtszustandes" wird verordnet: Verhängung des Belagerungszustandes über die Stadt Wien samt Vorstädten und Umgebung im Umkreis von zwei Meilen, Auflösung von Akademischer Legion und Nationalgarde, allgemeine Entwaffnung der Bevölkerung, Schließung aller politischen Vereine, Wirts- und Kaffeehäuser, Verbot aller Versammlungen unter freiem Himmel mit mehr als zehn Teilnehmern, Herstellung und Verbreitung von Presseerzeugnissen nur nach vorheriger Bewilligung der Militärbehörde, Ausweisung aller illegal sich aufhaltenden Ausländer wie auch nicht ortsansässiger Inländer, Androhung des Standrechts für 'Aufrührer', Entfernung der Barrikaden, Unterstellung von Gemeinderat, Stadthauptmannschaft sowie der niederösterreichischen Landesregierung unter militärische Kuratel, Ernennung des Generalmajors Cordon zum Wiener Stadtkommandanten
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Welsch (Projektbearbeiter): Für den Belagerungszustand und sich die daraus ergebende Einschränkung des freien Verkehrs zwischen der Wiener Innenstadt und den Vorstädten ist letztlich die "Partei der Bewegung und Empörung" verantwortlich. Appell an den "gutgesinnte[n] Theil der Bevölkerung", den "Uebergang von der Anarchie zu dem geregelten, constitutionellen Rechtszustande" zu unterstützen
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Welsch (Projektbearbeiter): Aufhebung des Passierscheinzwangs für fünf (der insgesamt zwölf) Übergänge der Linienwallbefestigung in der Zeit zwischen fünf Uhr morgens und acht Uhr abends
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Welsch (Projektbearbeiter): Verbot des Verkaufs von Zeitungen und Flugschriften in der Öffentlichkeit
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Welsch (Projektbearbeiter): Wiederherstellung des freien Verkehrs zwischen der Innenstadt und den Vorstädten Wiens
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Welsch (Projektbearbeiter): Warnung der Bevölkerung vor der Führung aufrührerischer Reden in Wirts- und Kaffeehäusern. Drohung mit dem Standrecht
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BACKGROUND Pancreatic stone protein (PSP) has been identified as a promising sepsis marker in adults, children and neonates. However, data on population-based reference values are lacking. This study aimed to establish age-specific reference values for PSP. METHODS PSP was determined using a specific ELISA. PSP serum concentrations were determined in 372 healthy subjects including 217 neonates, 94 infants and children up to 16 years, and 61 adults. The adjacent categories method was used to determine which age categories had significantly different PSP concentrations. RESULTS PSP circulating levels were not gender-dependent and ranged from 1.0 to 99.4 ng/ml with a median of 9.2 ng/ml. PSP increased significantly between the age categories, from a median of 2.6 ng/ml in very preterm newborns, to 6.3 ng/ml in term newborns, to 16.1 ng/ml in older children (p < 0.001). PSP levels were higher on postnatal day three compared to levels measured immediately post delivery (p < 0.001). Paired umbilical artery and umbilical vein samples were strongly correlated (p < 0.001). Simultaneously obtained capillary heel-prick versus venous samples showed a good level of agreement for PSP (Rho 0.89, bias 19 %). CONCLUSIONS This study provides age-specific normal values that may be used to define cut-offs for future trials on PSP. We demonstrate an age-dependent increase of PSP from birth to childhood.
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Upon activation, platelets release plasma-membrane derived microparticles (PMPs) exposing phosphatidylserine (PS) on their surface. The function and clearance mechanism of these MPs are incompletely understood. As they are pro-coagulant and potentially pro-inflammatory, rapid clearance from the circulation is essential for prevention of thrombotic diseases. The tyrosine kinase receptors Tyro3, Axl and Mer (TAMs) and their ligands protein S and Gas6 are involved in the uptake of PS-exposing apoptotic cells in macrophages and dendritic cells. Both TAMs and their ligands are expressed in the vasculature, the functional significance of which is poorly understood. In this study we investigated how vascular TAMs and their ligands may mediate endothelial uptake of PMPs. PMPs, generated from purified human platelets, were isolated by ultracentrifugation and labeled with biotin or PKH67. The uptake of labeled MPs in the presence of protein S and Gas6 in human aortic endothelial cells (HAEC) and human umbilical vein endothelial cells (HUVEC) was monitored by flow cytometry, western blotting and confocal/electron microscopy. We found that both endothelial cell types can phagocytose PMPs, and using TAM-blocking antibodies or siRNA knock-down of individual TAMs we show that the uptake is mediated by endothelial Axl and Gas6. As circulating PMPs-levels were not altered in Gas6-/- mice compared to Gas6+/+ mice, we hypothesize that the Gas6-mediated uptake is not a means to clear the bulk of circulating PMPs but may serve to phagocytose PMPs locally generated at sites of platelet activation and as a way to affect endothelial responses.
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Nuclear imaging is used for non-invasive detection, staging and therapeutic monitoring of tumors through the use of radiolabeled probes. Generally, these probes are used for applications in which they provide passive, non-specific information about the target. Therefore, there is a significant need for actively-targeted radioactive probes to provide functional information about the site of interest. This study examined endostatin, an endogenous inhibitor of tumor angiogenesis, which has affinity for tumor vasculature. The major objective of this study was to develop radiolabeled analogues of endostatin through novel chemical and radiochemical syntheses, and to determine their usefulness for tumor imaging using in vitro and in vivo models of vascular, mammary and prostate tumor cells. I hypothesize that this binding will allow for a non-invasive approach to detection of tumor angiogenesis, and such detection can be used for therapeutic monitoring to determine the efficacy of anti-angiogenic therapy. ^ The data showed that endostatin could be successfully conjugated to the bifunctional chelator ethylenedicysteine (EC), and radiolabeled with technetium-99m and gallium-68, providing a unique opportunity to use a single precursor for both nuclear imaging modalities: 99mTc for single photon emission computed tomography and 68Ga for positron emission tomography, respectively. Both radiolabeled analogues showed increased binding as a function of time in human umbilical vein endothelial cells and mammary and prostate tumor cells. Binding could be blocked in a dose-dependent manner by unlabeled endostatin implying the presence of endostatin receptors on both vascular and tumor cells. Animal biodistribution studies demonstrated that both analogues were stable in vivo, showed typical reticuloendothelial and renal excretion and produced favorable absorbed organ doses for application in humans. The imaging data provide evidence that the compounds quantitate tumor volumes with clinically-useful tumor-to-nontumor ratios, and can be used for treatment follow-up to depict changes occurring at the vascular and cellular levels. ^ Two novel endostatin analogues were developed and demonstrated interaction with vascular and tumor cells. Both can be incorporated into existing nuclear imaging platforms allowing for potential wide-spread clinical benefit as well as serving as a diagnostic tool for elucidation of the mechanism of action of endostatin. ^
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Three studies examined seasonal or circadian variations in selected responses to influenza infection or vaccination. The first, a seroepidemiologic study, evaluated temporal patterns of antibody titers to influenza A/Texas. Human umbilical cord bloods were sampled over a two-year period when the virus was not present in the community. No endogenous seasonal pattern was detected. The second study included three experiments on circadian rhythms in mice. Neither susceptibility nor protection from inactivated or attenuated vaccine varied significantly according to time of administration. A slight effect, however, was suggested with inactivated vaccine. Three human vaccine trials comprised the third study. Outcome variables included rise in antibody titer, final antibody titer, incidence of adverse reactions, and protection from community infection. Patterns in antibody response and protection variables were inconsistent, and generally not clinically significant. Local reactions to inactivated vaccine were more frequent if injections were received in the afternoon as compared to morning. This was true to adults that had been previously vaccinated. ^
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En Mendoza es cada vez más común ralear racimos con el propósito de afectar la composición de las uvas. No obstante, el conocimiento local sobre cómo lograr un equilibrio adecuado de los distintos atributos de calidad mediante el raleo es escaso. El objetivo de esta investigación fue evaluar la relación entre el raleo de racimos en diferentes intensidades y épocas, y los componentes del rendimiento y la composición fenólica de la uva. Para este estudio, que se realizó en un viñedo de Agrelo, Luján de Cuyo, Mendoza (Argentina), se eligió la cultivar Malbec por ser el cepaje emblemático de Argentina y el típico de la Denominación de Origen Controlado (DOC) Luján de Cuyo. En las plantas de dicha cultivar, conducidas en espaldero alto y podadas en cordón Royat bilateral, el raleo fue manual, en tres momentos del ciclo: 1) cuando los granos tenían el tamaño de una arveja; 2) en envero y 3) a 21 °Brix. La intensidad de raleo fue de 25 y 50 % de los racimos. Se comprobó la hipótesis planteada en relación con que el raleo aumenta el tamaño de la baya y mejora la calidad de la uva, por cuanto incrementa la biosíntesis de los polifenoles. En los componentes del rendimiento aumenta el peso del racimo y el tamaño de la baya cuando el raleo se hace temprano y con una intensidad elevada. En cuanto a la influencia en la biosíntesis de los polifenoles se demuestra que el raleo temprano e intenso mejora la concentración de antocianas, catequinas y proantocianidinas. La concentración azucarina se vio incrementada cuando el raleo se hizo en envero y fue intenso.
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Fil: Glorio, Roberto. Universidad de Buenos Aires