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  • Articles: DFG German National Licenses  (18)
  • 1995-1999  (14)
  • 1890-1899  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz 42 (1999), S. 219-225 
    ISSN: 1437-1588
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary The increasing importance of Lyme-Borreliosis in Saxony was the reason to perform this study with the intention to get information about the infection rate of ticks with Borrelia burgdorferi sensu lato. The infection rate was determined by PCR and testing slide-fixed ticks by immunofluorescence. For this analysis 3234 ticks from Saxony and neighbouring regions were collected and investigated. 252 of 1378 ticks checked by immunofluorescence were positive (18,3%), 440 of 1856 ticks examined by PCR were infected (23,7%). 50 ticks with multiple infection by several genospecies of Borrelia burgdorferi were found. The importance of these findings and possible conclusions are discussed.
    Notes: Zusammenfassung Die Borreliose gewinnt in Sachsen zunehmend an Bedeutung. Mit der vorliegenden Studie sollten für den Freistaat Informationen über den Durchseuchungsgrad von Zecken mit Borrelia burgdorferi sensu lato gewonnen werden. Zur Bestimmung des Durchseuchungsgrades kamen eine PCR-Methode und die direkte Untersuchung von objektträgerfixierten Zecken mittels Immunfluoreszenztest zur Anwendung. Dazu wurden 3234 Zecken aus dem sächsischen Raum und angrenzenden Gebieten gesammelt und untersucht. Der Immunfluoreszenztest erbrachte bei 252 von 1378 Zecken ein positives Ergebnis (18,3%), in der PCR waren von 1856 Zecken 440 mit Borrelia burgdorferi sensu lato durchseucht (23,7%). In 50 Fällen konnte eine Mehrfachinfektion mit zwei verschiedenen Borrelia-burgdorferi-Genospezies nachgewiesen werden. Die Bedeutung dieser Befunde und mögliche Schlußfolgerungen werden diskutiert.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1434-601X
    Keywords: PACS:27.40+z 39 ≤ A ≤ 58 – 21.10.Tg Lifetimes – 21.60.Cs Shell model – 21.60.Ev Collective models
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: High-spin states in 45Sc, 45Ti and 43Ca were studied by means of multiple γ- and γ-recoil-coincidences with the use of the GASP array and the Recoil Mass Spectrometer. The nuclei were populated in the 60 MeV 18O +30Si reaction. For the DSAM lifetime measurement the 35Cl +12C reversed kinematics reaction was used. In the article, a complete description of the experimental techniques used in course of the performed experiments is presented. The level schemes and the detailed information on the observed state properties, including B(M1) and B(E2) transition rates are inserted as well as their shell model interpretation.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1434-601X
    Keywords: PACS:25.70.Jj Fusion and fusion-fission reactions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: The 9Be +209Bi fusion cross sections were measured in the range 37.5 MeV ≤ E lab ≤ 45.0 MeV at the Munich Tandem via the observation of ground state α-decay of the evaporation residues. Fusion cross sections of 209Bi with the “halo”11Be unstable projectile in the region around the Coulomb barrier were deduced from an experiment done with the same technique at the RIKEN Ring Cyclotron. Above the Coulomb barrier the 11Be cross sections are larger than the 9Be ones in agreement with theoretical predictions based on the larger 11Be halo radius. Also below the barrier these theories foresee the same behavior in disagreement with the experimental results, since the two cross sections are rather similar.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1434-601X
    Keywords: PACS:23.20.Lv Gamma transitions and level energies – 25.70.Jj Fusion and fusion-fission reactions – 27.70.+q 150 ≤ A ≤ 189
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. The 178Pt and 181Au nuclei have been studied with the (230 MeV) 46Ti +142Nd fusion-evaporation reaction; γ-rays, evaporated particles and recoiling nuclei have been detected by the γ-array GASP + the Si ball ISIS + the recoil mass spectrometer RMS. The newly observed structures in 178Pt and 181Au are most probably built on the proton and quasi-proton h9/2 and i13/2 configurations.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1434-601X
    Keywords: PACS:25.70.Jj Fusion and fusion fission reactions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: The 9Be +209Bi fusion cross sections were measured in the 36.0 MeV ≤ Elab≤ 50.0 MeV range, down to 0.6 mb, with high accuracy via in-beam detection of the ground state α-decay of the evaporation residues produced. The elastic scattering cross sections around 150° and 135° were also obtained with moderate angular resolution. The cross sections below the barrier are reproduced by coupled channel calculations which include only one break-up channel with a moderate strength and a phenomenological renormalization of the potential depth. These simple calculations overestimate the cross sections above the barrier most likely due to the fact that the 9Be break-up process becomes much stronger. The barrier distributions extracted do not have evident break-up signature since they show one-barrier structure.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Journal of neurology 11 (1897), S. 164-168 
    ISSN: 1432-1459
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-1459
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-1459
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Der Unfallchirurg 100 (1997), S. 908-912 
    ISSN: 1433-044X
    Keywords: Key words paradoxical embolism • fracture • foramen ovale ; Schlüsselwörter Paradoxe Embolie • Fraktur • Foramen ovale
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In etwa 25 % der Fälle ist im Erwachsenenalter das Foramen ovale anatomisch offen, funktionell, bedingt durch den höheren Druck im linken Vorhof, aber geschlossen. Wenn z. B. durch eine Lungenembolie ein höherer Druck durch Rechtsherzbelastung im rechten Vorhof entsteht, kann sich ein funktionell normalerweise geschlossenes Foramen ovale wieder öffnen, und durch den eintretenden Rechts-links-Shunt der Weg für eine paradoxen Embolie gebahnt werden. Im vorliegenden Fall traten bei einer Patientin 20 Tage nach operativer Versorgung einer subtrochantären Oberschenkelfraktur mittels Kondylenplatte Wortfindungsstörungen auf. Die deshalb durchgeführte Magnetresonanztomographie (MRT) des Schädels zeigte einen frischen ischämischen Infarkt. Nachdem die übliche Durchuntersuchung mit Duplexsonographie der Karotiden keinerlei Erklärung für den ischämischen Infarkt ergeben hatte, wurde eine paradoxe Embolie über ein offenes Foramen ovale vermutet. Anschließend konnte sowohl duplexsonographisch eine frische Thrombose der V. femoralis superficialis als auch szintigraphisch eine Lungenembolie nachgewiesen werden. Die transösophageale Echokontrastkardiographie stellte ein spontan hämodynamisch wirksames offenes Foramen ovale dar. Der Fall zeigt, daß inapparente Beinvenenthrombosen durch zerebrale Defizite, wie z. B. Wortfindungsstörungen manifest werden können, und veranschaulicht den Pathomechanismus einer paradoxen Embolie.
    Notes: Summary The foramen ovale is anatomically open in 25 % of individuals, but functionally closed by the higher pressure in the left antrum. Right-to-left shunt and subsequent paradoxical embolism may occur when pressure in the left antrum rises, for example, as a result of pulmonary embolism. In the present case we demonstrate a patient who presented 20 days after osteosynthetic treatment of a femoral fracture with word-finding deficits. Cerebral MRT revealed a fresh ischemic insult. Duplex ultrasound of the legs showed a fresh thrombosis of the superficial femoral vein and scintigraphy of the lungs detected pulmonary embolism. Transesophageal contrast echocardiography trapped a hemodynamically spontaneous, open foramen ovale. Duplex ultrasound of the carotid arteries detected no pathological findings. Deep vein thrombosis and pulmonary embolism can be clinically unconspicuous and become manifest by cerebral deficits resulting from paradox embolism and cerebral ischemia.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' journal of analytical chemistry 364 (1999), S. 610-616 
    ISSN: 1432-1130
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Solid Phase Microextraction (SPME) is a powerful tool for field investigations. With the help of a portable gas chromatograph it can be used for fast analysis directly on-site, or it can be utilized for field sampling and then transported to the laboratory for instrumental analysis. In the latter case, it is important for the reliability of the results that losses of volatiles and contamination of the fiber during storage and transport are minimized. A number of dedicated devices, designed and built for SPME field sampling and storage, have been developed and tested. Sealing capacity of the prototypes was investigated by storing compounds ranging in volatility from methylene chloride to 1,3-dichlorobenzene on selected SPME fibers (100 μm PDMS, 65 μm PDMS/DVB and 75 μm Carboxen/PDMS) at different temperatures. Significant differences were noticed in storage capacity from coating to coating. A comparison between the field samplers optimized in this study and the field sampler commercially available from Supelco revealed advantages and limitations of each of the designs. A gas-tight valve syringe (50 μL SampleLock by Hamilton), modified in order to accommodate the SPME fiber, had the best storage capacity for very volatile compounds. With this device, over 80% of the initial amount of methylene chloride was retained by the 100 μm PDMS fiber after 24 h of refrigerated storage, which is a very good result considering that the PDMS coating is characterized by very low storage capacity for volatiles. Field sampling investigations with the SPME prototypes confirmed the usefulness of these devices for field analysis.
    Type of Medium: Electronic Resource
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