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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Archives of dermatological research 206 (1957), S. 396-397 
    ISSN: 1432-069X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Archives of dermatological research 201 (1955), S. 539-555 
    ISSN: 1432-069X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung Nach kurzer Darstellung der Beziehungen wird über die eigenen neurohistologischen Befunde bei verschiedenen Knoten von 4 Prurigo nodularis Hyde-Kranken berichtet und letztere verglichen mit der Histologie anderer Formen anormaler Lichenifikation, von denen insbesondere die Neurodermitis nodularis (Lutz) der P.n.H. klinisch sehr ähnlich sein kann. Abgesehen von der Bestätigung der Pautrierschen Befunde hinsichtlich der Proliferation cutaner Nerven einschließlich ihrer Schwannschen Elemente in den Prurigo nodularis Hyde-Knoten werden die Wucherungserscheinungen am vegetativen Nervensystem und seiner peripheren Endausbreitung geschildert. Dabei ist in den Knoten selbst zwischen den eigentlichen Infiltratzellen eine auffallende Vermehrung und ungewöhnliche Dichte der vegetativen Plasmastränge mit ihren interstitiellen Zellen bemerkenswert. Die Proliferation des vegetativen Endnetzes wird als charakteristisch für diese Krankheit angesehen, denn im Gegensatz dazu wird sie bei anderen anormalen Lichenifikationen wie Neurodermitis nodularis, Neurodermitis chronica circumscripta und Neurodermitis gigantea nicht gefunden. Da pathologische Veränderungen am vegetativen Nervensystem in der weiteren Umgebung der umschriebenen knotenförmigen Lichenifikation fehlen, werden die proliferativen Vorgänge am vegetativen Nervensystem der Haut mit Vermehrung der zelligen und faserigen Bestandteile jedoch nicht als primär angesehen; vielmehr muß angenommen werden, daß der krankhafte Insult offenbar gleichzeitig Gefäß- und Nervenveränderungen hervorruft.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 157 (1998), S. 163-164 
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1435-1285
    Keywords: Key words Hypoplastic left heart syndrome — Norwood operation — single ventricle — Fontan operation — total cavopulmonary anastomosis ; Schlüsselwörter Hypoplastisches Linksherz-Syndrom — Norwood-Operation — singulärer Ventrikel — Fontan-Operation — totale kavopulmonale Anastomose
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary The surgical therapy of newborns with hypoplastic left heart syndrome (HLHS) is still regarded with some distrust. The complete heart conserving palliation includes not only the Norwood operation during the newborn period but also the complete separation of both circuits by the Fontan operation some time later. Our experiences with each surgical step are presented. From 1989 to 1996 43 infants with anatomical (n = 33) or functional (n = 10) HLHS underwent the Norwood operation. Functional HLHS were: Mitralatresia with double outlet right ventricle and subaortic stenosis (n = 2), atrioventricular septal defect with hypoplastic left ventricle, subaortic stenosis, and aortic coarctation (n = 1), hypoplastic, subaortic right ventricle with restrictive ventricular septal defect and aortic hypoplasia (n = 7). The median age at operation was 15 days ( 5 to 182 days), mean weight was 3.3 kg (3.0 to 4.9 kg). Total operative mortality was 32% (n = 14) with 16% since 1994 (3/19 patients). Five infants (12%) died 2 weeks to 6 months later, and 2 patients underwent cardiac transplantation. Up to now, 10 out of the 22 long term survivors underwent the bidirectional cavopulmonary anastomosis (Hemi-Fontan) at a median age of 7 months (2 to 14 months). Two infants died (10%). Up to now, 12 out of the remaining 17 survivors received the total cavopulmonary anastomosis after a mean period of 12 months. All children survived, and they are now completely palliated. The longest follow up after the complete Fontan operation is 6 years. Conclusion: With increasing experience the results of the Norwood operation improved. The following two-stage Fontan procedure bears only low risk and leads to good life quality.
    Notes: Zusammenfassung Die chirurgische Versorgung von Neugeborenen mit hypoplastischem Linksherz-Syndrom (HLHS) wird immer noch zurückhaltend betrachtet. Die komplette herzerhaltende Palliation beinhaltet neben der Norwood-Operation im Neugeborenenalter auch die spätere Kreislauftrennung nach Fontan. Unsere Erfahrungen mit den einzelnen operativen Teilschritten werden vorgestellt. 43 Säuglinge mit anatomischem (n = 33) oder funktionellem (n = 10) HLHS erhielten von 1989 bis 1996 eine Norwood-Operation. Funktionelle HLHS waren: Mitralatresie mit doppeltem Ausgang aus der rechten Kammer und subaortaler Stenose (n = 2), atrioventrikulärer Septumdefekt mit hypoplastischer linker Kammer, Subaortenstenose und Aortenkoarktation (n = 1), hypoplastischer, subaortaler rechter Ventrikel mit restriktivem Ventrikelseptumdefekt und Aortenhypoplasie (n = 7). Das mediane Operationsalter betrug 15 Tage (5 bis 182 Tage), das mittlere Gewicht war 3,3 kg (3,0 bis 4,9 kg). Die operative Sterblichkeit lag bei 32% (n = 14), wobei sie seit 1994 auf 16% (3 von 19 Patienten) gesenkt werden konnte. 5 Patienten (12%) verstarben 2 Wochen bis 6 Monate später, 2 Kinder wurden herztransplantiert. Von den 22 lang Überlebenden erhielten bisher 19 Patienten im medianen Alter von 7 Monaten (2 bis 14 Monate) die obere, bidirektionale kavopulmonale Anastomose als Hemi-Fontan. 2 Kinder verstarben (10%).Von den 17 Überlebenden erhielten bisher 12 nach einem mittleren Intervall von 12 Monaten die ergänzende kavopulmonale Anastomose. Alle Kinder überlebten den Eingriff und sind damit fertig palliiert. Die längste Nachbeobachtung nach kompletter Fontan-Operation liegt bisher bei 6 Jahren. Zusammenfassung: Die Ergebnisse der Norwood-Operation werden mit wachsender Erfahrung günstiger. Die nachfolgende zweischrittige Fontan-Operation hat dann nur noch ein relativ geringes Risiko und führt zu einer sehr guten Lebensqualität.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Hyperfine interactions 120-121 (1999), S. 731-736 
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The uptake and the processing of molybdenum in nitrogen fixing bacteria was studied applying the TDPAC-technique with radioactive 99Mo. The observation of the nuclear quadrupole frequencies allowed a ‘finger-printing’ of the characteristic binding states in three bacteria species. The measurements have been carried out with intact cells and with the isolated proteins. In one bacterium a molybdenum storage protein was identified.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Hyperfine interactions 30 (1986), S. 153-165 
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The hyperfine quadrupole interaction in HfF4.HF.2H2O was studied using the time differential perturbed angular correlation (TDPAC) technique. The electric field gradient (EFG) and the corresponding asymmetry parameter were measured in the temperature range from 9 to 350 K. The EFG is characterized by a rather strong increase with temperature, whereas the asymmetry parameter reaches its maximum value (η≈1) at aboutT=160 K. At 420 K, the complex is dehydrated and looses HF: The quadrupole parameters determined from subsequent TDPAC measurements are charateristic for HfF4.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A181Hf-labelled rat serum transferrin sample was studied at different temperatures between 100 K and 346 K using a fast BaF2 TDPAC setup. Relaxation effects were observed in the liquid serum as well as in the frozen serum sample. The temperature dependence of the correlation time has been determined. Different relaxation modes are discussed.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A fast BaF2 TDPAC setup was used to study the binding of181Hf to serum transferrin. Two well-defined binding configurations were observed, which are characterized by high EFGs and large asymetry parameter values. The distribution between these configurations depends essentially on the pH of the serum. Small but significant differences between human and rat serum transferrin can be deduced from the electric quadrupole interaction (QI) parameters.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Hyperfine interactions 35 (1987), S. 1007-1010 
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A high resolution TDPAC setup with four BaF2 detectors was introduced for measurements in chemical and biological systems. High electric field gradients and large asymmetry parameters could be determined very precisely. The data are compared to previous NaI(Tl) measurements on HfF4·HF·2H2O, HfO2, and181Hf-labelled transferrin.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Hyperfine interactions 120-121 (1999), S. 313-318 
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract 181Hf-PAC investigations were undertaken as a contribution to the understanding of the aquatic chemistry of the tetravalent elements. In solution, the growth of polymeric species with increasing pH was observed by PAC. For the sorption of Hf on silica surfaces we found a strong dependence of the PAC results on the pH value. The corresponding sites were assigned to surface complexation and surface precipitation, respectively.
    Type of Medium: Electronic Resource
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