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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of engineering geology and the environment 57 (1998), S. 51-58 
    ISSN: 1435-9537
    Keywords: Key words Slope failure ; Rainfall ; Resistivity ; Electric prospecting ; Pyroclastic deposits ; Japan
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Description / Table of Contents: Resumé Dans une région soumise à la mousson, l'infiltration des eaux de pluie dans un talus est l'un des facteurs déterminants de sa stabilité. Pour comprendre le processus d'infiltration, on a utilisé une méthode automatisée de prospection électrique pour mesurer les modifications de la résistivité apparente à l'intérieur d'un talus, situé dans le sud de Kyushu, au Japon. La formation concernée est constituée de débris pyroclastiques quaternaires faiblement consolidés et perméables. Les mesures de résistivité effectuées sur une durée de six mois on mis en évidence les variations dans le talus, et en particulier un décalage marqué entre la chute de pluie et la modification de résistivité. Près de la surface, la réponsc est rapide et importante. A des profondeurs plus grandes, elle est plus lente et plus faible, mais les effets peuvent être cumulatifs.
    Notes: Abstract  Rainfall and its infiltration into a slope is one of the most important factors affecting slope stability in a monsoon region. To understand the infiltration process, changes in the apparent resistivity within a slope in southern Kyushu, Japan, have been measured using automated electric prospecting. The slope studied is underlain by Quaternary weak and permeable pyroclastic flow deposits. Resistivity data obtained over a six month period indicate that the conditions within the slope vary and a distinct time lag is recognised between the rainfall event and the change in resistivity. At near surface depths the response is rapid and large. At lower depths it is slower and smaller, but the effects may be cumulative.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 155 (1996), S. 194-199 
    ISSN: 1432-1076
    Keywords: Mother-child relations ; Bacterial infection ; Molecular epidemiology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We assessed mother-to-infant transmission ofStaphylococcus aureus. Anterior nares swabs of 466 pregnant women, vaginal swabs of 305 of these women and anterior nares swabs of 305 6-day-old infants were examined for the presence ofS. aureus. The results showed that 7.5% of the vaginal swabs from the pregnant women and 10.1% of the anterior nares swabs from the infants were positive forS. aureus. Six of the 466 pregnant women (1.3%) and 12 of the 305 infants (3.9%) carried methicillin-resistantS. aureus (MRSA) in the anterior nares site, but none of the vaginal specimens were positive for MRSA. Analysis ofSmaI digested chromosomal DNA analysis using pulsed-field gel electrophoresis (PFGE) showed that methicillin-sensitiveS. aureus (MSSA) strains obtained from four pairs of pregnant women and their infants were completely identical, which strongly suggesting mother-to-infant transmission ofS. aureus. Conclusion This study elucidated the prevalence ofS. aureus carriage among pregnant women and newborn infants. Mother-to-infant infection ofS. aureus was demonstrated phenotypically and genetically. PFGE is a useful tool to detect infection routes including mother-to-infant-infection.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1076
    Keywords: Key words Hepatitis C virus ; Chronic hepatitis C ; Natural history ; Spontaneous remission ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The clinical course of 48 children with chronic hepatitis C (33 boys, 15 girls; mean age: 12.2 years) was monitored for more than 3 years to clarify its natural course. All patients were positive for the second-generation antibody to hepatitis C virus (anti-HCV) and for serum hepatitis C virus (HCV) RNA. All but one patient had a history of blood transfusion. Serum levels of alanine aminotransferase (ALT) had been abnormal for more than 1.5 years. Spontaneous remission defined as a biochemical remission lasting more than 1 year in association with the disappearance of serum HCV RNA, occurred in 4 (8.3%), however, in 25%, HCV RNA was still detectable in the liver even after its disappearance from serum. In this patient, the level of antibody to HCV core antigen (anti-HCV core) did not decrease significantly and serum HCV RNA eventually reappeared. The serum titre of HCV RNA in the 4 children with spontaneous remission was lower than in the remaining 44 children. Spontaneous remission may occur in children with chronic hepatitis C in whom the serum titre of HCV RNA is low and serum level of anti-HCV core decreases significantly. Assessment of the intrahepatic HCV RNA is necessary to confirm complete remission. Conclusion A low serum titre of HCV RNA and a significant decrease in the serum titre of anti-HCV core were associated with spontaneous remission in children with chronic hepatitis C. Intrahepatic HCV RNA assessment is necessary to confirm complete remission.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary.  Unlike other herpesviruses, Epstein-Barr virus (EBV) has not yet been shown to infect macrophages. Six macrophage cultures were isolated from normal and affected samples. Nested polymerase chain reaction revealed the existence of the EBV genome in all these macrophages. EBV latent genes expression in all cultures were detected by mRNA in situ hybridization and immunofluorescence staining. Some cultures also expressed EBV replicative-infection proteins, while in other cultures induction of these proteins was demonstrated. These findings are the first to show expression of several latent and replicative-infection genes of EBV in macrophages, indicating that EBV proliferates in macrophages.
    Type of Medium: Electronic Resource
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