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  • 1995-1999  (4)
  • 1920-1924
  • 1995  (4)
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  • 1995-1999  (4)
  • 1920-1924
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  • 1
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: This article presents the results of experiments in which a high-power laser was used to irradiate low density (4–9 mg/cm3) silica aerogel and agar foam targets. The laser–solid interaction and energy transport through the material were monitored with time-resolved imaging diagnostics, and the data show the production and propagation of an x-ray emission front in the plasma. The emission-front trajectory data are found to be in significant disagreement with detailed simulations, which predict a much more rapid heating of the cold material, and the data suggest that this discrepancy is not explainable by target inhomogeneities. Evidence suggests that energy transport into the cold material may be dominated by thermal conduction; however, no completely satisfactory explanation for the discrepancies is identified, and further experimental and theoretical research is necessary in order to resolve this important problem in laser–plasma interaction physics. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    International orthopaedics 19 (1995), S. 12-15 
    ISSN: 1432-5195
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Vingt-sept cas d'arthrose légère ou modérée du genou, diagnostiqués par arthroscopie et traités par forage, ont été revus avec un recul moyen de 4 ans (de 2 à 7 ans). La douleur, évaluée selon la cotation VAS, était diminuée pendant 24 mois en moyenne (1 à 76) dans les deux tiers des cas. Les résultats étaient meilleurs chez les patients présentant une arthrose globale que chez ceux atteints d'une arthrose uni-compartimentale. Ils étaient obtenus aussi bien dans les cas douloureux au repos (n=39) que dans ceux douloureux lors de la mobilisation du genou (n=14). Les complications ont été exceptionnelles (n=1). La douleur était diminuée dans une proportion significativement supérieure dans les genoux traités par forage que dans un groupe de contrôle de 16 cas, n'ayant subi qu'une arthroscopie à visée diagnostique (p=0.006). Le forage est un procédé sûr, n'entraînant que de rares complications. Il est indiqué dans le traitement des douleurs du genou chez les patients ayant une arthrose légère ou modérée, lorsque des interventions plus importantes ne sont ni nécessaires, ni réalisables.
    Notes: Summary Seventy-seven patients with mild to moderate gonarthrosis of the knee were treated by subchondral bone drilling, and followed for from 2 to 7 years. Patients with generalised arthrosis benefited more than those with unicompartmental involvement. Pain, assessed by a visual analogue scale, was significantly reduced compared with a control group of 16 patients who had a diagnostic arthroscopy only. Drilling is a safe procedure with few complications and can be used in patients when more extensive surgery is not yet indicated or possible.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1615-6714
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary The functioning of the orofacial muscular system essentially determines the shape of the jaw and of the dental arch as well as the position of the axis of the anterior teeth. Disturbances of the normal functioning can cause anomalies of the position of teeth or malformations of the bone structure. With the help of the newly developed device “Myometer 160®” we now have the possibility to measure the intra- and extraoral forces. We examined 107 persons aged 8 to 37 years. The maximal force was measured by ventral tongue pressure when the lips were pressed against each other and when a brassbution was pulled. In addition clinical results as well as a functional status were ascentained in order to record orofacial dyskinesjas. A significant connection between the age respectively the sex of the persons and the determined force was found. However, no clear relationship between the bechrsal position respectively the functional anomaly and the results of maximal force was determined. Thus it does not seem sensible to use maximal force measurement within the framework of the diagnosis of orofacial dyskinesias.
    Notes: Zusammenfassung Die Funktion der orofazialen Muskulatur bestimmt zu einem wesentlichen Teil die Kiefer form die Form des Zahnbogens sowie die Achsenstellung der Frontzähne. Störungen des normalen Funktions geschehens können Zahnstellung sanomalien und Pehibildungen der knöchernen Strukturen zur Folge haben Mit Hilfe des neu entwickelten Gerätes Myometer 160® ergibt sich die Möglichken. Maximalkräfte intra- und extraoral zu messen Untersucht wurden 107 Probanden im Alter von acht bis 37 Jahren Gemessen wurden die Maximalkräfte bei Zungendruck nach yentral, beim Zusammenpressen der Lippen sowie beim Ziehen an einem Messingknopf Zusatzlich wurden ein klinischer Befund sowie ein tunktioneller Status zur Erfassung orotaziater Dyskinesien erhoben. Signifikante Zusammenhänge zwischen dem Alter bzw. Geschlecht der Probanden und den ermittelten Kräften wurden testgestellt. Es konnte jedoch keine eindeurige Beziehung zwischen der Bißlage bzw klinisch aufrälligen Funktionsstörungen und den Maximalkraftwerten ermittelt werden. Es ist aus unserer Sicht daher fragwürdig, Maximalkraftmessungen im Rahmen der Diagnostik orofazialer Dyskinesten einzusetzen.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1573-6849
    Keywords: Chromosome aberrations ; chromosome painting ; FISH ; PRINS
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In situ techniques for the detection of specific chromosomes using centromeric probes and the decoration of entire chromosomes using chromosome painting are well established. However, in the deciphering of complex chromosomal aberrations it is valuable to be able to detect the centromere and the entire DNA of a specific chromosome in different colours simultaneously on the same metaphase. In this report we describe a combination of the primedin situ labelling (PRINS) technique and chromosome painting for simultaneous visualization of centromere-specific oligonucleotides and chromosome painting libraries. A key feature is that the denaturation step in the PRINS reaction is sufficient to keep the chromosomes denatured for chromosome painting. This means that PRINS and consecutive chromosome painting can be performed as a single procedure (PRINS-painting)
    Type of Medium: Electronic Resource
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