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  • 1990-1994  (8)
  • 1985-1989  (5)
  • 1
    Electronic Resource
    Electronic Resource
    Controlled clinical trial of cadralazine as a second-step drug in the treatment of hypertension (1985)
    Springer
    European journal of clinical pharmacology 28 (1985), S. 135-138 
    Details
    ISSN: 1432-1041
    Keywords: hypertension ; cadralazine ; vasodilators ; chlorthalidone ; atenolol ; side-effects
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The antihypertensive efficacy of a new long-lasting vasodilator, cadralazine, and the diuretic chlorthalidone have been compared in hypertensive patients receiving concurrent treatment with atenolol. After a 4-week run-in period with atenolol alone 100 mg/day, two groups of 10 patients whose diastolic blood pressure exceeded 100 mm Hg were given for a period of 65 days either cadralazine 15 mg/day or chlorthalidone 25 mg/day, according to a randomized, double-blind, between-patients design. Compared to atenolol alone, both cadralazine and chlorthalidone induced a statistically and clinically significant decrease in blood pressure. The antihypertensive effect did not differ significantly between groups. Good compensation of the atenolol-induced decrease in heart rate was obtained with cadralazine, whereas during atenolol + chlorthalidone treatment at times the standing heart rate was significantly lower than during treatment with atenolol + cadralazine. Side-effects, many of which were already present during atenolol treatment, occurred with a similar frequency in both groups. It is concluded that atenolol + cadralazine and atenolol + chlorthalidone are equally well tolerated, acceptable and effective in the treatment of hypertension, but that further studies are warranted to explore the potential haemodynamic advantages of the cadralazine + atenolol combination.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00609680
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  • 2
    Electronic Resource
    Electronic Resource
    A mountain pass method for the numerical solution of semilinear wave equations (1993)
    Springer
    Numerische Mathematik 64 (1993), S. 487-509 
    Details
    ISSN: 0945-3245
    Keywords: 65M60
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Summary It is well-known that periodic solutions of semilinear wave equations can be obtained as critical points of related functionals. In the situation that we studied, there is usually an obvious solution obtained as a solution of linear problem. We formulate a dual variational problem in such a way that the obvious solution is a local minimum. We then find additional non-obvious solutions via a numerical mountain pass algorithm, based on the theorems of Ambrosetti, Rabinowitz and Ekeland. Numerical results are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01388701
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  • 3
    Electronic Resource
    Electronic Resource
    Physiological investigations into the resistance of a wild mustard (Sinapis arvensis L.) biotype to auxinic herbicides (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Weed research 33 (1993), S. 0 
    Details
    ISSN: 1365-3180
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Possible mechanism(s) of resistance to auxinic herbicides in wild mustard (Sinapis arvensis L.) were investigated by characterizing responses of susceptible and resistant biotypes to 2,4-D, di-camba or picloram. No differences between bio-types were observed in absorption, translocation, or metabolism of foliar-applied radiolabelled herbicides. In contrast, the levels of ethylene production varied between biotypes. The susceptible biotype produced twofold and sixfold more ethylene than the resistant biotype within 4 h and 44 h of herbicide application, respectively. These results suggest that the mechanism of resistance in wild mustard is not due to differences in absorption, translocation, or metabolism. Ethylene production studies imply that resistance to auxinic herbicides may be attributed to altered target site(s) of action. Bases physiologiques de la résistance aux herbicides auxiniques d'un biotype de moutarde des champs (Sinapis arvensis L.)Les mécanismes possibles de la résistance aux herbicides auxiniques chez la moutarde des champs (Sinapis arvensis L.) ont été recherchés en caractérisant les réponses de biotypes résis-tants et sensibles au 2,4-D, au dicamba et au pi-clorame. Aprés application des herbicides radioactifs sur le feuillage, aucune différence d'absorption, de migration ou de métabolisme n'a été observée. Par contre, la production d'éthylene différait entre les biotypes. Le biotype sensible produisait 2 et 6 fois plus d'éthylène que le biotype sensible, respectivement 4 et 44 heures après l'application d'herbicide. Ces résultats sug-gèrent que la résistance aux herbicides auxiniques chez la moutarde des champs n'est pas due à des différences d'absorption, de migration ou de métabolisme mais pourrait provenir d'une altération du site d'action.Physiologische Untersuchung der Resistenz eines Acker-Senf-(Sinapis arvensis-) Biotyps gegenüber WuchsstoffherbizidenDer mögliche Mechanismus der Resistenz gegenüber Wuchsstoffherbiziden beim Acker-Senf (Sinapis arvensis L.) wurde unhand der Reaktion von empfindlichen und resistenten Biotypen gegenüber 2,4-D, Dicamba oder Picloram untersucht. Hinsichtlich Absorption, Translokation oder Metabolismus der auf die Blätter applizierten, radioaktiv markierten Her-bizide wurden keine Unterschiede beobachtet. Die Ethylenbildung variierte jedoch zwischen den Biotypen. Der empfindliche produzierte in-nerhalb 4 oder 44 Stunden nach der Herbizid-applikation 2-bzw. 6mal mehr Ethylen als der resistente. Aus den Ergebnissen läßt sich schließen, daß beim Acker-Senf der Resisten-zmechanismus nicht in der Absorption, der Translokation oder dem Metabolismus liegt, sondern die Ethylenbildung daran beteiligt ist, wo die Wirkorte fur die Wuchsstoffherbizide liegen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3180.1993.tb01959.x
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  • 4
    Electronic Resource
    Electronic Resource
    Postnatal Development of Ley dig Cells in the Testis of the Domestic Fowl (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 513 (1987), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1987.tb25034.x
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  • 5
    Electronic Resource
    Electronic Resource
    Prevalence of hepatitis C virus infection in the household contacts of patients with HCV-related chronic liver disease (1994)
    Springer
    Infection 22 (1994), S. 183-186 
    Details
    ISSN: 1439-0973
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die Bedeutung der Familie als Faktor für die Ausbreitung der HCV-Infektion wird immer noch kontrovers diskutiert. In der vorliegenden Studie wurde versucht, die Prävalenz anti-HCV-positiver Fälle unter den häuslichen Kontaktpersonen von Patienten mit HCV-assoziierter chronischer Hepatitis zu bestimmen. Nahezu alle Kontaktpersonen von 113 Personen mit anti-HCV-positiver Hepatitis (100/113 Ehegatten, 260/290 Kinder) wurden untersucht. Für die Bestimmung von anti-HCV wurde ELISA-II mit Bestätigung durch RIBA II eingesetzt. 27% der Ehegatten und 1,9% der Kinder erwiesen sich als anti-HCV-positiv. Bei den Gatten korrelierte die Prävalenz der anti-HCV-Positivität mit der Dauer der Ehe. Bei 17/32 (53,1%) der anti-HCV-positiven Personen wurde eine chronische Hepatitis aufgedeckt. Diese Studie gibt Hinweise auf eine vorwiegend horizontale Übertragung der HCV-Infektion zwischen Ehegatten und eine positive Korrelation zwischen Übertragung und Dauer der Ehe.
    Notes: Summary It is still controversial whether the familial environment plays a role in the diffusion of HCV infection. The aim of this study was to evaluate the prevalence of anti-HCV positivity in the household contacts of patients with HCV-related chronic hepatitis. Nearly all the household contacts of 113 subjects with anti-HCV+ chronic hepatitis (100/113 spouses and 260/290 children) were investigated. Anti-HCV was determined by means of ELISA II and was confirmed by RIBA II. Anti-HCV positivity was found in 27% of the spouses and in 1.9% of the children. Prevalence of anti-HCV positivity in spouses correlated positively with the duration of the marital status. Seventeen/32 (53.1%) of anti-HCV-positive subjects were found to have chronic hepatitis. This study indicates that intrafamilial diffusion of HCV infection is mostly accounted for by horizontal, in particular spouse to spouse, transmission and that spouse to spouse transmission of HCV infection correlates positively with the duration of marital status.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01716699
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  • 6
    Electronic Resource
    Electronic Resource
    Characterization of a partial deletion of the factor VIII gene in a haemophiliac with inhibitor (1988)
    Springer
    Human genetics 〈Berlin〉 79 (1988), S. 86-88 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Genomic DNA from 49 Italian patients affected with severe haemophilia A was analysed by Southern blotting technique using a cDNA probe corresponding to exons 14–26 of coagulation factor VIII. No TaqI site mutation was observed in this sample. A partial deletion, eliminating exons 15–18 and spanning about 13 kb, was identified and characterized in one patient with anti-factor VIII antibodies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00291718
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  • 7
    Electronic Resource
    Electronic Resource
    Polymorphism in the location of the 18S and 28S rRNA genes on the chromosomes of the diploid-tetraploid treefrogs Hyla chrysoscelis and H. versicolor (1989)
    Springer
    Chromosoma 97 (1989), S. 481-487 
    Details
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The chromosomes of the diploid Hyla chrysoscelis and its tetraploid sibling species H. versicolor were studied with AgNO3 staining and in situ hybridization to determine the chromosome location of the 18S and 28S ribosomal RNA (rRNA) genes. A total of 236 Hyla chrysoscelis from 34 localities in 15 U.S. states and 100 H. versicolor from 15 localities in 12 states were examined. The rRNA gene sites were extremely variable in H. chrysoscelis, and also variable, but to a lesser extent, in H. versicolor. The most common rRNA gene site in both H. chrysoscelis and H. versicolor was on the short arm of chromosome 6. All of the rRNA gene locations seen in H. versicolor were also seen in H. chrysoscelis, supporting the hypothesis that the tetraploid H. versicolor arose from H. chrysoscelis. Although polymorphic rRNA gene sites in H. versicolor may reflect the positions of the rRNA genes in H. chrysoscelis ancestors, the origin of the extreme variability of such sites in H. chrysoscelis seems more obscure. Possible explanations include inversions, translocations, mobile genetic elements or a combination of some or all of these.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00295033
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  • 8
    Electronic Resource
    Electronic Resource
    Evidence for equilibration of hot nuclei (1987)
    Springer
    The European physical journal 326 (1987), S. 335-336 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The production cross sections of7Li in its ground and first excited states have been measured at 14°, 120°, 150°, for the 742 MeV20Ne+60Ni reaction. Hauser-Feshbach calculations show that the backward angle data are consistent with an emission temperature greater than 6 MeV. This is in agreement with the values extracted from the slope of the energy spectra and indicates that the emitting source is equilibrated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01297589
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  • 9
    Electronic Resource
    Electronic Resource
    Study of the excitation function fluctuations of the dissipative28Si+48Ti binary collision in the incident energy interval from 206.9 MeV to 213.8 MeV (1994)
    Springer
    The European physical journal 349 (1994), S. 169-175 
    Details
    ISSN: 1434-601X
    Keywords: 25.70.Lm ; 24.60.Ky
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract It is shown that the Partially Overlapping Molecular Level Model (POMLM) accounts for the experimental results of the dissipative28Si +48Ti collision around 210 MeV incident energy. The general trend of the properties of the fluctuations as well as the average angular distributions are reproduced by the same set of main parameters. A general consistency is also found between the present data and the data obtained in previous work on the same colliding system performed at lower incident energy (around 123 MeV).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01291176
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  • 10
    Electronic Resource
    Electronic Resource
    Gamma-ray multiplicity measurements in the28Si+64Ni reaction at 163.8 MeV (1994)
    Springer
    The European physical journal 350 (1994), S. 199-205 
    Details
    ISSN: 1434-601X
    Keywords: 25.70.-z
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The28Si+64Ni reaction at 163.8 MeV incident energy is studied by measuring in coincidenceγ-rays and charged particles identified from Z=2 to Z=16. The transition from quasi-elastic to more damped reactions is observed when the difference between the detected charge and the projectile one is increased. The strong influence of the particle decay on the measuredγ-ray multiplicity is evidenced with the help of the statistical model computer code CASCADE. Dissipative events are well described in the rolling limit with excitation energy equally shared between the fragments. The overall agreement is lost for the fragments with the projectile charge which show a small value of theγ-multiplicity even for dissipative events. This is probably connected with the previously observed non statistical behavior of gamma rays emitted in coincidence with projectile-like fragments. In the alpha-spectrum measured in coincidence with gamma-rays, the deexcitation of fused systems is clearly separated from in flight emission of deep inelastic fragments. The low measured gamma-ray multiplicity for fusion events is qualitatively explained taking into account the effect of alpha-emission in the statistical decay.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01289583
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