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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 50 (1972), S. 266-268 
    ISSN: 1432-1440
    Keywords: Viral hepatitis (B) ; quantitative determination of Au/SH-antigen ; complement fixation test
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Unter besonderer Berücksichtigung des mit der KBR quantitativ-verlaufsanalytisch bestimmten Au/SH-Antigengehaltes im Blutserum werden 3 Fälle von Virushepatitis B vorgestellt, die sich durch unterschiedlichen klinischen Verlauf mit unterschiedlichen Au/SH-Antigenkurven auszeichnen. 1. Eine unkompliziert verlaufende akute Serumhepatitis mit innerhalb von 6 Wochen kontinuierlich abfallenden Transaminasen-, Gesamtbilirubin- und Au/SH-Antigenwerten. 2. Eine akute Serumhepatitis im Anschluß an Bluttransfusion bei bestehender Leukämie. Hier war das Immunsystem durch cytostatische Therapie geschwächt; es kam zu einem Anstieg des Au/SH-Antigentiters auf exzessiv hohe und bis zum Tode des Patienten unverändert anhaltende Werte. Im Gegensatz dazu standen nur gering erhöhte Transaminasenund Gesamtbilirubinbefunde. 3. Eine chronisch-aggressive Hepatitis. Bei diesem Patienten wurde ein hoher Antigentiter über 20 Wochen hinweg beobachtet. Auch hier korrelierten die Werte der Transaminasen und des Gesamtbilirubins nicht mit dem Au/SH-Antigentiter, so daß letzterer als einziger serologischer Parameter einen Anhalt für die Schwere des Krankheitsbildes bot.
    Notes: Summary The concentration of Australia-(Au/SH-)-antigen in serum of patients suffering from acute and chronicactive hepatitis has been determined quantitatively and was compared with the behaviour of transaminases and bilirubin. Out of a follow-up study of 20 patients three characteristic cases are demonstrated. 1. A case of an uncomplicated acute viral hepatitis, characterized by continuously decreasing values of SGOT, SGPT, overall-bilirubin and Australia-antigen titers within six weeks. 2. A case of a complicated acute post-transfusion hepatitis in a leukemic patient under immunosuppressive therapy, characterized by extraordinarily high Au/SH-antigen values but an only insignificant increase of clinical-chemical findings. The high Au/SH-values did not change until the death of the patient. 3. A case of a chronic-active viral hepatitis which was characterized by long lasting high serum Au/SH-antigen concentrations but very low pathological clinical-chemical values. Quantitative Au/SH-antigen determinations by means of the CFT might have some bearing on the prognosis and therapy of viral hepatitis (B).
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  • 2
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 47 (1969), S. 1289-1290 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 41 (1963), S. 809-815 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary The mass appearance of Coxsackie B5 illnesses in the Federal Republic of Germany during the summer and autumn of 1962 provided an opportunity for examining the diagnostic value of Coxsackie B5 complement fixation test in a greater number of patients. We used fluorocarbon-purified tissue culture antigens (Fl-cells) which after concentration in the ultra-centrifuge showed a type-specific titer of —log 1,8 to 2,4 (micro method, perspex plate test, Kolmer technique). The optimal antigen dilution for routine tests was assessed by means of the isofixation technique according toAlmeida. The antigens did not react with complement-fixing immune sera against the other types of Coxsackie B group as well as against Coxsackie A9 virus and the three types of poliomyelitis virus. The type-specific hyperimmune sera were produced in guinea pigs. The homologous complement-fixing antibody titer of these sera, when using the optimal antigen dosage, was —log 2,8 to 3,1. Examination of the sera of 92 patients with positive Coxsackie B5 virus isolation in feces, liquor or throat washings gave in 60 cases (=65,3%) a positive result in complement fixation and showed negative findings in 32 cases (=34,7%). This latter number contains also those cases of which only sera of the first two weeks after onset of symptoms were examined. Thus the complement fixation test showed negative results only in 13 patients with positive virus isolation whose sera were available to us from the first as well as the second to third week of illness. Simultaneous examinations of the sera of these 92 patients for complement-fixing antibodies against the three types of the poliovirus demonstrated in 12 cases (=20% of the sera which contained complement-fixing antibodies against Coxsackie B5 virus) a weak reaction to type III of poliovirus. The cross-wise complement fixation test with Coxsackie B5 and poliovirus type III antigens and the corresponding complement-fixing guinea pig hyper-immune sera gave no indications of an antigenic relationship of these two members of the enterovirus group. When applying suitable antigens and an adequate test method, the Coxsackie B5 complement fixation test offers a supplement to the possibilities in enterovirus diagnostic which also in the case of negative virological findings might make a diagnosis possible.
    Notes: Zusammenfassung Das gehäufte Auftreten von Coxsackie B5-Erkrankungen in der Bundesrepublik während der Sommer- und Herbstmonate des Jahres 1962 gab Gelegenheit, den diagnostischen Wert der Coxsackie B5-KBR an einem größeren Patientenkollektiv zu überprüfen. Dabei wurden mit Frigen gereinigte Gewebekulturantigene (Fl-Zellen) verwendet, die nach ultrazentrifugaler Anreicherung einen typenspezifischen Titer von —log 1,8–2,4 aufwiesen (Mikromethode, Plattentest, Kolmertechnik). Die optimale Antigenverdünnung für die Durchführung der Routineuntersuchungen wurde in der Isofixationstechnik nachAlmeida ermittelt. Die Antigene reagierten nicht mit komplementbindenden (kb.) Immunseren gegen die übrigen Vertreter der Coxsackie B-Gruppe und ließen auch mit kb. Antiseren gegen das Coxsackie A9-Virus und die drei Typen des Poliovirus keine Reaktion in der KBR erkennen. Die typenspezifischen kb. Hyperimmunseren wurden an Meerschweinchen hergestellt. Der homologe kb. Antikörpertiter dieser Seren betrug bei Verwendung der optimalen Antigendosis — log 2,8–3,1. Die Untersuchung der Seren von 92 Patienten, bei denen aus Stuhl, Liquor oder Rachenabstrich Coxsackie B5-Virus isoliert werden konnte, erbrachte in 60 Fällen (=65,3%) ein positives Ergebnis in der KBR und verlief in 32 Fällen (=34,7%) negativ. In dieser letzteren Zahl sind jedoch auch diejenigen Fälle enthalten, von denen lediglich Seren aus den ersten beiden Wochen nach Auftreten der Allgemeinsymptome zur Untersuchung gelangten. Mithin verlief die KBR bei 13 Patienten mit positiver Virusisolierung negativ, von denen uns Seren aus der ersten sowie nach der zweiten bis dritten Krankheitswoche zur Verfügung standen. Die gleichzeitig durchgeführte Testung der Seren von diesen 92 Patienten auf kb. Antikörper gegen die drei Typen des Poliovirus ließ in 12 Fällen (=20% der Seren, die kb. Antikörper gegen Coxsackie B5-Virus enthielten) eine schwache Reaktion gegen Typ III des Poliovirus erkennen. Die kreuzweise KBR mit Coxsackie B5- und Poliovirus-Typ III-Antigenen und den entsprechenden kb. Meerschweinchenhyperimmunseren ergab keine Hinweise für das Vorliegen einer antigenen Beziehung dieser beiden Vertreter der Enterovirusgruppe. — Bei Verwendung geeigneter Antigene und einer entsprechenden Versuchsmethodik stellt die Coxsackie B5-KBR eine Ergänzung der Möglichkeiten in der Enterovirus-Diagnostik dar, die auch bei negativem virologischem Befund durch Titerdifferenz in Doppelseren unter Umständen die Diagnosestellung ermöglicht.
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Medical microbiology and immunology 166 (1978), S. 165-171 
    ISSN: 1432-1831
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A new rapid modified micro-neuraminidase-inhibition test (ESSEN-NIT) has recently been described. This test was originally devised to facilitate largescale screening for serum antibodies to influenza virus neuraminidase. It was shown that this test yielded results comparable to those obtained with the WHO standard procedure. Our report presents data on the comparison between the WHO method and the ESSEN-NIT with respect to their capability in detecting antigenic differences in neuraminidase of various strains of influenza A viruses belonging to the H3N2 subtype family. Two antiserums against the N2 antigens of the A/Hongkong/1/68 (X15HK) and of the A/Port Chalmers/1/73 (X42) recombinant strains were used in characterization experiments. The results obtained indicate that the ESSEN-NIT is at least as sensitive in detecting antigenic variations of neuraminidase as the WHO standard procedure. The drift of the N2 enzyme which occurred as early as 1969 and is known to continue to date, could be clearly demonstrated. Major and minor antigenic changes of neuraminidase in representative influenza isolates were equally well detected by both assays. The ESSEN-NIT offers the advantage of speed, economy, and computerized evalutaion of data.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 122 (1965), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 122 (1965), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 207 (1965), S. 991-992 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Rabbits inoculated intradermally with emulsions of homologous spinal cord incorporated in complete Freund's adjuvant showed severe clinical symptoms of EAE approx imately 10-12 days after injection. These animals were killed in the tetraplegic state and CSF was carefully withdrawn from the cisterna ...
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Mathematische Zeitschrift 221 (1996), S. 421-436 
    ISSN: 0025-5874
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Calculus of variations and partial differential equations 1 (1993), S. 407-416 
    ISSN: 1432-0835
    Keywords: 49F10 ; 35J25 ; 35B50
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract It is shown that a minimal graph with a normal at infinity is in a-priori bounded vertical distance from its approximating halfcatenoid. This is used to show that the exterior contact angle problem is wellposed under natural geometric conditions on the domain, while the exterior Dirichlet problem can be solvable only for data which satisfy an oscillation bound.
    Type of Medium: Electronic Resource
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