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  • Air disaster  (1)
  • Cell & Developmental Biology  (1)
  • Infra-red and Raman spectra and scattering  (1)
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  • 1
    ISSN: 1437-1596
    Keywords: Mass disaster ; Victim identification ; Forensic odontology ; Air disaster
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Notes: Abstract The authors report on the contribution of odontological identification of the flight ALIT 5148 air disaster victims, which occurred on 20th January 1992. The identification procedure was difficult due to large numbers of bodies and mutilations and required the involvement of multidisciplinary teams composed of odontologists, forensic pathologists, radiologists and biologists. The authors set up a simple, discriminant classification which was easy to handle by a multidisciplinary team. Four groups were defined according to the matching characteristics between ante and post mortem data. Perfect matching characteristics between ante and post mortem data were achieved in only 44 cases (Group A). Partial matching characteristics between ante and post mortem data were achieved in 12 cases (Group B). In 29 cases, the insufficiency or absence of odontological data (Group C and D) did not enable the victim to be identified. The results of the investigations showed that the dental examination alone enabled 17 victims to be identified and by including a morphological examination the figure reached 33. By the end of the investigations, 85 of the 87 victims were positively identified. Odontological identification is an essential, accurate and rapid method with allows a body to be identified from its dental characteristics. This anthropometrical method of identification is included with the descriptive and the biological methods. The authors present their experience in performing a formal identification of 44 victims in less than 15 days.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Il nuovo cimento della Società Italiana di Fisica 11 (1989), S. 455-466 
    ISSN: 0392-6737
    Keywords: Infra-red and Raman spectra and scattering
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Riassunto In questo lavoro si è condotta una completa analisi, dal punto di vista delle polarizzazioni, dello spettro Raman del GaS, per energie di eccitazione al di sotto del «gap» indiretto. Al fine di identificare le combinazioni di secondo ordine e i modi proibiti indotti da difetti, sono state eseguite anche misure di trasmittanza e riflettanza nell'infrarosso. L'impiego di tutte le possibili regole di selezione, applicate sia agli spettri Raman sia a quelli IR, ha permesso sempre di individuare i punti di simmetria dei modi coinvolti nello spettro Raman e, quando possibile, di assegnare le principali strutture non di Γ a modi dei puntiM oK. Si è cosí pervenuti a numerose nuove attribuzioni, contestando anche alcune precedenti assegnazioni, basate solo su studi separati degli spettri Raman o IR.
    Abstract: Резюме Предлагается поляризационный анализ спектра комбинацонного рассеяния в GaS для энергий возбуждения ниже непрямой запрещеннои зоны. Чтобы определить комбинации втрого порядка и дефект, индуцированный запрешеенным модами, которые появляются в спектрах, помимо шести хорошо известных Γ-фононов, вяшолняются также измерения пропускания и отражения инфракрасного излучения дляE⊥c иE∼c. Все имеюэиеся правила отбора применяются к данным по комбинационному рассеянию и к инфракрасым данным, что позволяет идентифицировать точки высокой симметрии для фононов, фигурирующие в рассеянии и, по возможности, описать главные не-Γ-структуры спектров. Этот анализ позволяет получить некоторые новые признаки, основанные на раздельном исследовании спектров комбинационного рассеяния и инфракрасных спектров.
    Notes: Summary A complete polarization analysis of the GaS Raman spectrum, for excitation energies below the indirect energy gap, is reported. In order to assign second-order combinations and defect-induced forbidden modes, that appear in the spectra besides the six well-known Γ-phonons, also IR transmittance and reflectance measurements, for bothE⊥c andE‖c, have been performed. All the available selection rules are applied to both Raman and IR data, allowing to identify the high-symmetry points of phonons involved in the scattering and, when possible, to ascribe the main non-Γ structures of the spectra to the knownK andM point modes. This analysis brings to several new attributions, also ruling out some previous assignments, based on the separate study of either Raman or IR spectra.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 144 (1990), S. 137-143 
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: We recently reported that the growth of normal rat pleural mesothelial cells (RPMCs) is inhibited by conditioned media from either in vivo or in vitro transformed RPMCs. In this study we report that the growth of normal RPMCs is inhibited by epidermal growth factor (EGF). This was demonstrated by using three methods of investigation. Two types of studies were carried out with growing cells. First, cell counts indicated that the number of cells was reduced in EGF-treated cultures when compared with untreated cultures. Second, the percentage of S cells detected by flow cytometry following treatment with EGF was lower than without EGF. In other experiments, incorporation of tritiated thymidine in confluent cells was decreased by EGF treatment, either in the presence or absence of fetal calf serum; these effects were dose dependent and were observed from 2 ng/ml EGF. Lower EGF concentrations did not significantly modify thymidine incorporation when compared with untreated cells. Analysis of 125I EGF binding experiments by the Scatchard method indicated that RPMCs possess EGF receptors (about 105 per cell) with low ligand binding affinity (Kd = 1.7 ± 0.4 nM). These results indicate that EGF might modulate the growth of RPMCs.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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