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  • Articles  (432)
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  • Articles  (432)
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  • 1
    facet.materialart.
    Unknown
    German Medical Science GMS Publishing House; Düsseldorf
    In:  Deutscher Kongress für Orthopädie und Unfallchirurgie; 72. Jahrestagung der Deutschen Gesellschaft für Unfallchirurgie, 94. Tagung der Deutschen Gesellschaft für Orthopädie und Orthopädische Chirurgie, 49. Tagung des Berufsverbandes der Fachärzte für Orthopädie; 20081022-20081025; Berlin; DOCWI52-681 /20081016/
    Publication Date: 2008-10-17
    Keywords: ddc: 610
    Language: German
    Type: conferenceObject
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  • 2
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    German Medical Science; Düsseldorf, Köln
    In:  68. Jahrestagung der Deutschen Gesellschaft für Unfallchirurgie, 90. Tagung der Deutschen Gesellschaft für Orthopädie und Orthopädische Chirurgie und 45. Tagung des Berufsverbandes der Fachärzte für Orthopädie; 20041019-20041023; Berlin; DOC04dguO4-1686 /20041019/
    Publication Date: 2004-10-20
    Keywords: ddc: 610
    Language: German
    Type: conferenceObject
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  • 3
    ISSN: 1573-6865
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Isolated nuclei and nuclear matrices, prepared from mouse erythroleukaemia cells, were reacted with the sulphhydryl-specific dye 6-iodoacetamidofluorescein. To determine whether in vitro formation of disulphide bonds might play a role in the nuclear matrix stabilization triggered by exposure of isolated nuclei to the physiological temperature of 37°C, a variety of techniques were employed to assess the state of cysteinyl residues after such an incubation. Both flow cytometry and confocal microscopy quantitative analysis did not reveal major differences in the fluorescence intensity of nuclei incubated at 37°C in comparison with those maintained at 0°C. Confocal scanning laser microscopy revealed that 6-iodoacetamidofluorescein labelled a fibrogranular network in isolated nuclei. The fluorescent pattern of the network was not affected by a 37°C exposure of nuclei. However, such a network was not detectable in isolated nuclear matrices, thus suggesting a possible protein re-arrangement during matrix preparation. Sodium dodecyl sulphate-polyacrylamide gel electrophoresis of fluorescent-labelled nuclear proteins showed no difference between heat-exposed and control samples. We conclude that oxidation of cysteinyl residues is not a major factor leading to the stabilization of nuclei incubated at 37°C.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1434-4483
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary  There is evidence that the area burned by wildland fire has increased in certain regions of Canada in recent decades. One cause for this increase is changes in the mid-tropospheric circulation at 500 hPa over northern North America. This study examines the physical links between anomalous mid-tropospheric circulation over various regions of Canada and wildland fire severity. Analysis of monthly and seasonal burned areas for the period 1953 to 1995 reveals a bimodal distribution with distinct low and extreme high burned area years. The high/low burned area years coincide with positive/negative 500 hPa height anomalies over north-western, western, west-central and east-central Canada. Total area burned and the 500 hPa height anomaly data are analyzed for statistical relationships using the Spearman rank correlation non-parametric measure. Results for the May to August fire season indicate statistically significant correlations between regional total area burned and clusters of anomalous 500 hPa geopotential height values immediately over, and immediately upstream of the affected region. For the north-western and west-central regions, significantly correlated clusters are found in the central Pacific as well, providing evidence of the influence of a teleconnection structure on the summer climate of western and north-western North America. Two sample comparison tests show statistically significant differences in both the means and variances of the fire data populations during negative and positive phases of mid-tropospheric flow, and the means of the height anomaly populations during extremely high and extremely low area burned seasons. Increases in regional total area burned are related to increases in mean 500 hPa heights, taken from the significantly correlated clusters of height values, between two successive periods 1953–74 and 1975–95. For Canada as a whole, the five lowest area burned seasons all occurred during the early period, while the five highest seasons occurred during the later period. The difference in the geopotential height fields between the two periods identifies an increase in 500 hPa heights over most of Canada with an amplification of the western Canada ridge and an eastward shifted Canadian Polar Trough (CPT).
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  • 5
    ISSN: 1573-2991
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Summary Seven neighborhoods adjacent to hazardous waste were surveyed. The authors found that respondents did not rate their neighborhoods as highly as Americans as a whole, but, like most Americans, they did rate their present neighborhood better, or the same as, their previous one. The adjacent hazardous waste site was mentioned as distressing more often than any other neighborhood characteristic. Yet in four of the seven neighborhoods, dilapidated buildings and streets, odors and smoke from sewage treatment plants and factories, noise from trains and traffic congestion, or another neighborhood characteristic was mentioned as more stressful than the hazardous waste site. It is argued that govemment needs to be more aggressive about understanding community viewpoints before proposing multi-million dollar hazardous waste remediation plans that could be resisted by a community.
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  • 6
    ISSN: 1435-2451
    Keywords: Necrotizing pancreatitis ; Hemodynamic pattern ; Swan-Ganz catheter ; Nekrotisierende Pankreatitis ; Hämodynamische Charakteristika ; Swan-GanzKatheter
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei 23 Patienten mit nekrotisierender Pankreatitis wurden hämodynamische Messungen mit einem Swan-Ganz-Katheter vorgenommen. Der mittlere arterielle Druck war signifikant erniedrigt, die Herzfrequenz dagegen erhöht. Charakteristisch war für alle Patienten ein niedriger peripherer Gefäßwiderstand und ein erhöhtes Herz-Zeit-Volumen sowie ein erhöhter Kardiac-Index. Patienten mit nekrotisierender Pankreatitis haben also einen hyperdynamischen Schockzustand, wie er auch im septischen Schock beobachtet wird.
    Notes: Summary In 23 patients with necrotizing pancreatitis hemodynamic measurements were performed with a Swan-Ganz catheter. The mean arterial pressure was significantly low in all patients, whereas the heart rate was significantly high. The characteristic pattern in our patients was a significant decrease of the total peripheral vascular resistance, with a high cardiac output and cardiac index. Patients with necrotizing pancreatitis show a similar hemodynamic pattern to that of hyperdynamic and septic shock.
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  • 7
    ISSN: 1435-2451
    Keywords: Acute renal failure ; Shock ; Hemofiltration ; Akutes Nierenversagen ; Schock ; Hämofiltration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Seit 1979 wurden an der Chirurgischen Universitätsklinik Göttingen 182 Patienten mit einem Nierenversagen mittels CAVH behandelt. Ursache des Nierenversagens waren grösstenteils toxisch-infektiöse Schockzustände bei Peritonitis und nekrotisierender Pankreatitis. Alle Patienten hatten mindestens noch ein weiteres Organversagen. Durch die Hämolfiltration konnten die harnpflichtigen Substanzen signifikant gesenkt werden, auf Werte, die denen bei kompensierter Niereninsuffizienz entsprachen. Ausserdem besserten sich die Beatmungskonditionen und hämodynamischen Parameter. Die CAVH stellt einen wesentlichen Fortschritt in der intensiv-medizinischen Therapie schwerstkranker Patienten dar.
    Notes: Summary Since 1979, 182 patients with acute renal failure have been treated in the intensive care unit of the Surgical Department of the University of Göttingen. Renal failure was mostly caused by toxic shock in peritonitis and necrotizing pancreatitis. All patients had at least one additional organ failure. Urea secretion and creatinine were significantly reduced by the use of continuous arteriovenous hemofiltration. Furthermore, the respiration and hemodynamic patterns improved.
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  • 8
    ISSN: 1573-5044
    Keywords: clesteroviruses ; cytopathology ; fleek disease ; gene transfer ; tissue culture ; virus purification
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Agrobacterium rhizogenes-mediated transformation was applied toVitis spp. andNicotiana spp. infected by different grapevine phloem-limited viruses (grapevine fleck virus, grapevine virus A, grapevine virus B) to obtain root cultures for virus purification. All plant species were successfully transformed, and several clones were established in liquid culture. Transformed grapevine roots contained as much virus as non transformed roots and more than leaves, as assessed by ELISA and thin sectioning. Likewise, transformed roots ofNicotiana benthamiana Domin. contained in average more GVA than leaves, especially those at the base and the top of the plant, whereas withNicotiana occidentalis wheel., GVB was apparently less concentrated than in leaves.Nicotiana root grew faster than those ofVitis. All viruses multiplied and persisted in root cultures, which were successfully used for purification. Virus yields were the same (GFkV and GVB) or higher (GVB) than those reported in the literature. Grapevine roots may prove useful for culturing and purifying other non-mechanically transmissible grapevine viruses.
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  • 9
    ISSN: 1439-0973
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Kaninchen wurden 12 mg (6 ml) Ciprofloxacin intravenös appliziert und die Konzentration nach einer, 4, 10 und 24 h im Serum, Kammerwasser sowie Glaskörper mittels HPLC bestimmt. Die Mittelwerte betrugen im Serum 0,698 mg/l nach 1 h und 0,0425 mg/l nach 10 h sowie im Kammerwasser 0,0595 mg/l bzw. 0,0073 mg/l. Bei der subkonjunktivalen Gabe wurde 1 mg (0,5 ml) entweder epibulbär am Limbus corneae oder unter die Konjunktiva des unteren Fornix injiziert. Die Mittelwerte im Kammerwasser betrugen nach 1 h 0,887 mg/l und nach 10 h 0,094 mg/l nach epibulbärer Injektion, während die entsprechenden Werte nach „Fornix-Applikation“ 0,0267 mg/l bzw. 0,025 mg/l betrugen. Im Glaskörper fanden sich bei allen Applikationsformen nur Werte im Bereich der Nachweisgrenze. Bei der subkonjunktivalen Injektion sollte differenziert werden zwischen der Gabe am Limbus corneae und der Applikation unter die Bindehaut im Fornix.
    Notes: Summary 12 mg (6 ml) ciprofloxacin were intravenously administered to rabbits. Using high-pressure-liquid-chromatography the concentration in serum, aqueous humor and vitreous were measured after 1, 4, 10 and 24 h. The mean serum levels were 0.698 mg/l and 0.0425 mg/l after 1 and 10 h, respectively. The drug reached mean levels in the aqueous humor of 0.0595 mg/l and 0.0073 mg/l, respectively. Concerning the subconjunctival application 1 mg (0.5 ml) ciprofloxacin was injected either epibulbar near the limbus corneae or under the conjunctiva of the lower fornix. The mean aqueous humor levels were 0.887 mg/l and 0.094 mg/l after 1 and 10 h, respectively, following epibulbar injection. In contrast, the “fornix-injection” produced mean levels of 0.0267 mg/l and 0.025 mg/l in the aqueous humor after 1 and 10 h, respectively. The concentration of ciprofloxacin in the vitreous was near the detection limit following every method of administration of the drug. The importance of differentiating between epibulbar subconjunctival application and the injection under the conjunctiva of the fornix is discussed.
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    European food research and technology 50 (1925), S. 415-420 
    ISSN: 1438-2385
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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