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  • Articles: DFG German National Licenses  (8)
  • 2000-2004  (2)
  • 1990-1994  (4)
  • 1985-1989  (2)
  • 1
    Electronic Resource
    Electronic Resource
    The ablation stage in the fast abrasion model (1992)
    Springer
    The European physical journal 343 (1992), S. 429-436 
    Details
    ISSN: 1434-601X
    Keywords: 25.70.Np
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In order to verify the effect of the ablation stage on the fast abrasion mechanism, detailed evaporative calculations have been performed on the primary projectile and target-like fragments issued from the reactions40Ar+27Al and40Ca+27Al. The results account for many of the experimental features observed in the projectile and target-like fragments produced at intermediate energies. However it is pointed out that, in order to get a better agreement between theory and experimental data, the primary projectile and target-like fragments should carry a more substantial excitation energy than predicted by a purely geometric abrasion model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01289819
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Surveillance and treatment of liver transplant recipients for candidiasis and aspergillosis (1992)
    Springer
    European journal of epidemiology 8 (1992), S. 433-436 
    Details
    ISSN: 1573-7284
    Keywords: Opportunistic fungal infections ; Liver transplant ; Antifungal treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Between June 1988 and May 1991 88 orthotopic liver transplants and 1 liver and pancreas transplant were performed at the Liver Transplantation Department of the Ospedale Maggiore of Milan. All the patients underwent mycological surveillance and received antifungal prophylaxis with oral amphotericin B (6000 mg/day) or oral or intravenous fluconazole (200 mg/day) from the time of their transplant. The incidence of Candida colonization was 67%. Fluconazole was superior to oral amphotericin B in the treatment of C. albicans colonization (99 vs 15), but less effective in the treatment of colonization by other Candida spp. (03 vs 33). Deep-seated candidiasis developed in 5 patients, caused by C. albicans in 4 cases and C. krusei in 1. C. albicans infection resolved rapidly with fluconazole in 2 subjects, with intravenous amphotericin B alone in 1, and with amphotericin B plus flucytosine in the other. On the contrary, C. krusei infection did not respond to treatment with amphotericin B combined with flucytosine. Aspergillosis was diagnosed in 11 patients, of whom 4 died from invasive aspergillosis, despite 15 and 26 days of amphotericin B treatment in 2. In another patient invasive aspergillosis, diagnosed a few hours before retransplantation, improved with liposomal amphotericin B, but this man died from cytomegalovirus infection one month later. Aspergillosis was eradicated by itraconazole in 4 other patients and by topical amphotericin B in 2 whose infection was localized to surgical wound.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00158579
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Accidents in the school environment in Milan, a five year survey (1987)
    Springer
    European journal of epidemiology 3 (1987), S. 196-201 
    Details
    ISSN: 1573-7284
    Keywords: School accidents ; Epidemiology ; Survey ; Frequency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Data regarding 11,541 cases of school accidents (from kindergarten to senior high school) that required hospital attention for treatment were examined. The information was obtained from the records of the a ≪ School Medicine Service of the City of Milan ≫, and covered five school years (from 1980–81 to 1984–85). The surveyed population included over 160,000 subjects for each year. After computer processing, data regarding type of school, year, age of the victim, place of the accident and type of lesions were obtained. The frequency of accidents was highest (about 2%) among kindergarten pupils, while in senior high school the lowest frequency (less than 1 %) was accompanied by the greatest percentage of hospitalizations (about 6%). From our results it appears that most accidents occur in school gyms (around 50%), and that the percentage of sprains and fractures is also highest in this area. School gyms can therefore be considered as a primary target for any prevention activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00239759
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    HIV I and HIV 2 prevalence of seropositivity in a population of West Africa (1990)
    Springer
    European journal of epidemiology 6 (1990), S. 71-75 
    Details
    ISSN: 1573-7284
    Keywords: HIV-1 ; HIV-2 ; AIDS Africa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In the month of August 1986, tests for anti-HIV 1 and anti-HIV 2 antibodies were performed in people coming to the hospital of Tanguietà (North Benin) (401 subjects) and in people working in the same hospital (23 subjects). The study revealed an anti-HIV 1 antibody prevalence of 0.4% (2/424) and an anti-HIV 2 prevalence of 0.2% (1/419). Seropositivity for both antibodies (anti-HIV 1 and anti-HIV 2) was found in one case; the other case was positive only for anti-HIV 1. The changing composition of the population due to frequent migratory displacements lead us to expect some possible alterations of the registered data in the future.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00155553
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Fast-electron ejection from C, Ni, Ag and Au foils by 36 Ar 18 + (95 MeV/u): Measurements of absolute cross-sections (2004)
    Springer
    The European physical journal 21 (2004), S. 169-174 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. Doubly differential electron velocity spectra induced by 36Ar18 + (95 MeV/u) from thin target foils (C, Ni, Ag, Au) were measured at GANIL (Caen, France) by means of the ARGOS multidetector and the time-of-flight technique. The main features observed in the forward spectra are convoy electrons, binary-encounter electrons, and (for the Au target only) a high-velocity tail which we attribute to a “Fermi shuttle” acceleration mechanism. Backward spectra do not show distinct structures. The spectra allow us to determine absolute singly differential cross-sections as a function of the target material and the emission angle. The convoy electron yield increases with the target atomic number, but for C their yield is so small that our experiment is not able to detect them. Absolute doubly differential cross-sections for binary-encounter electron ejection from C targets are well described by a transport theory which is based on the relativistic electron impact approximation (EIA) for electron production and which accounts for angular deflection, energy loss and energy straggling of the transmitted electrons.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epja/i2003-10191-2
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Abnormalities of gastrointestinal motility in children with nonulcer dyspepsia and in children with gastroesophageal reflux disease (1991)
    Springer
    Digestive diseases and sciences 36 (1991), S. 1066-1073 
    Details
    ISSN: 1573-2568
    Keywords: nonulcer dyspepsia ; migrating motor complexes ; bile salt concentration ; gastric emptying
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In 11 children (mean age 44.2 months) with symptoms suggesting upper intestinal dysfunction (nonulcer dyspepsia), in nine children (mean age 27.3 months) with gastroesophageal reflux (GER) disease, and in seven controls (mean age 20.4 months) we investigated fasting [for 3 hr or until two migrating motor complexes (MMC) were observed] and fed (90 min) antroduodenal motility by means of perfused catheter system; furthermore, we measured both gastric emptying of a radiolabeled milk formula and fasting duodenogastric reflux during manometry by assessing bile salt concentration in gastric aspirates. No structural abnormalities of gastrointestinal tract and organic disorders were detected in the patients. In a high proportion of both groups of patients we found manometric abnormalities of interdigestive and fed motor patterns that were not seen in the controls: absence of antral phase III of MMC; significant decrease of antral and/or duodenal motor activity during fasting and/or fed periods; abnormal propagation or configuration of MMC phase III that was signficantly shorter than in controls; bursts of sustained fasting and/or fed phasic duodenal activity, frequently uncoordinated with adjacent gut segments. When compared to controls, the mean intragastric concentration of bile salts during all MMC phases and the mean 1-hr percent gastric activity of the radiolabeled milk were significantly higher in the two groups of patients. We conclude that in a high proportion of children with nonulcer dyspepsia and of children with GER disease, gastrointestinal manometry may reveal significant irregularities of antral and duodenal motility, which are associated with increased duodenogastric reflux and delayed gastric emptying.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01297448
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Faecal bacteria of wild ruminants and the alpine marmot (1985)
    Springer
    Veterinary research communications 9 (1985), S. 227-232 
    Details
    ISSN: 1573-7446
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Faecal samples from 60 red deer (Cervus elaphus), 13 roe deer (Capreolus capreolus), 7 chamois (Rupicapra rupicapra), 41 alpine marmot (Marmota marmota) and soils mixed with deer faeces from the Stelvio National Park were examined forCampylobacter sp. andSalmonella sp. with negative results. The same material, especially deer faeces, was a habitat highly suitable forYersinia sp.:Y. enterocolitica (two biotypes) was isolated twice,Y. kristen-senii (two serotypes) was isolated 19 times,Y. frederiksenii andY. intermedia were isolated once. Antibiotic-resistantEscherichia coli were isolated from 16 specimens from wild ruminants, one from marmot and two from feeding places.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02215146
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Intravascular ultrasound insights into plaque composition (2000)
    Springer
    Zeitschrift für Kardiologie 89 (2000), S. S117 
    Details
    ISSN: 1435-1285
    Keywords: Key words Intravascular ultrasound – coronary artery disease – plaque tissue characterization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Previous studies correlating histomorphology with 20–30 MHz-derived intravascular ultrasound (IVUS) images showed that IVUS provides to some extent qualitative information on plaque composition. IVUS imaging proved to define calcifications with high sensitivity and specificity but was found to be less accurate in the assessment of soft components. Nevertheless previous studies on atherosclerotic plaque characterization were limited by use of low-frequency transducers that did not define accurately soft components. Our goal was to test the effectiveness of high frequency IVUS transducers in the identification of lipid/necrotic pools in atherosclerotic plaques. Methods: Forty MHz transducers were used for in vitro IVUS assessment of 12 arterial segments (10 coronary arteries and 2 carotid arteries dissected from 5 different autopsy cases). IVUS acquisition was performed at a 0.5 mm/s speed after ligature of the branching points to generate a closed system. Lipid necrotic areas were defined by IVUS as large echolucent intraplaque areas surrounded by tissue with higher echodensity. To obtain histopathologic sections corresponding to IVUS cross sections, vessels were divided into consecutive 3 mm-long segments using the most distal recorded IVUS image as the starting reference. Then, samples were fixed with 10% buffered formalin, processed for histopathologic study, serially cut, and stained with the Movat penthacrome method. Results: One hundred twenty-two sections were analyzed. Lipid pools were observed by histology in 30 cross sections (25%). IVUS revealed the presence of lipid pools in 19 of 122 cross sections with a sensitivity and specificity of 67% and 94%, respectively. Conclusions: High frequency transducers accurately identify lipid/necrotic pools and open new perspectives on future IVUS characterization of atherosclerotic plaques.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003920070110
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    Paper (German National Licenses)
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