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  • 1
    Electronic Resource
    Electronic Resource
    MRI of nasopharyngeal carcinoma metastatic to the cerebellopontine angle (1996)
    Springer
    Neuroradiology 38 (1996), S. 375-377 
    Details
    ISSN: 1432-1920
    Keywords: Key words Nasopharynx ; Magnetic resonance imaging ; Neoplasms ; Cerebellopontine angle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In patients with nasopharyngeal carcinoma, intracranial spread may occur via direct extension from the base of the skull or via perineural spread. Perineural spread usually affects branches of the trigeminal nerve. We describe two patients with recurrent nasopharyngeal carcinoma, who presented with a solitary mass in the cerebellopontine angle without associated bony destruction. MRI findings mimicked those of acoustic schwannoma. The imaging findings and possible pathways of spread are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00596593
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    MRI of nasopharyngeal carcinoma metastatic to the cerebellopontine angle (1996)
    Springer
    Neuroradiology 38 (1996), S. 375-377 
    Details
    ISSN: 1432-1920
    Keywords: Nasopharynx ; Magnetic resonance imaging ; Neoplasms ; Cerebellopontine angle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In patients with nasopharyngeal carcinoma, intracranial speread may occur via direct extension from the base of the skull or via perineural spread. Perineural spread usually affects branches of the trigeminal nerve. We describe two patients with recurrent nasopharyngeal carcinoma, who presented with a solitary mass in the cerebellopontine angle without associated bony destruction. MRI findings mimicked those of acoustic schwannoma. The imaging findings and possible pathways of spread are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00596593
    Location Call Number Limitation Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Genetic structure of the common sole Solea vulgaris at different geographic scales (1995)
    Springer
    Marine biology 122 (1995), S. 361-375 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The genetic structure of the flatfish Solea vulgaris was investigated on several spatial scales and at the temporal level through analysis of electrophoretic variation at 8 to 12 polymorphic enzyme loci. No differentiation was apparent at the temporal scale. Some differentiation was detected at and above the regional scale. Isolation by distance was evidenced by the significant correlation between genetic and geographic distances, and by the consistency of the results of multiple-locus correspondence analysis with geographic sampling patterns. The analysis suggested that the geographic unit of population structure (i.e. a geographical area corresponding to a panmictic or nearly panmictic population) lies within a radius of the order of 100 km. The isolation-by-distance pattern in S. vulgaris contrasted with the known genetic structures of other flatfish species of the northeastern Atlantic and Mediterranean in a way that may be related to the range of their respective temperature tolerances for eggs and larvae.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00350869
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    Paper (German National Licenses)
    Fulltext
  • 4
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    Unknown
    Pseudomonas, Pantoea and Cupriavidus isolates induce calcium carbonate precipitation for biorestoration of ornamental stone (2013)
    Wiley-Blackwell
    In:  Journal of Applied Microbiology, 115 (2). pp. 409-423.
    Details
    Publication Date: 2020-07-27
    Description: Abstract Aims Bacterially induced calcium carbonate precipitation from various isolates was investigated aiming at developing an environmentally friendly technique for ornamental stone protection and restoration. Methods and Results Microorganisms isolated from stone samples and identified using 16S rDNA and biochemical tests promoted calcium carbonate precipitation in solid and novel liquid growth media. Biomineral morphology was studied on marble samples with scanning electron microscopy. Most isolates demonstrated specimen weight increase, covering partially or even completely the marble surfaces mainly with vaterite. The conditions under which vaterite precipitated and its stability throughout the experimental runs are presented. Conclusions A growth medium that facilitated bacterial growth of different species and promoted biomineralization was formulated. Most isolates induced biomineralization of CaCO3. Microorganisms may actually be a milestone in the investigation of vaterite formation facilitating our understanding of geomicrobiological interactions. Pseudomonas, Pantoea and Cupriavidus strains could be candidates for bio‐consolidation of ornamental stone protection. Significance and Impact of the Study Characterization of biomineralization capacity of different bacterial species improves understanding of the bacterially induced mineralization processes and enriches the list of candidates for bio‐restoration applications. Knowledge of biomineral morphology assists in differentiating mineral from biologically induced precipitates.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1111/jam.12234
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 5
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    Kolumbo submarine volcano (Greece): An active window into the Aegean subduction system (2016)
    Details
    Publication Date: 2022-01-11
    Description: Submarine volcanism represents ~80% of the volcanic activity on Earth and is an important source of mantle-derived gases. These gases are of basic importance for the comprehension of mantle characteristics in areas where subaerial volcanism is missing or strongly modified by the presence of crustal/atmospheric components. Though, the study of submarine volcanism remains a challenge due to their hazardousness and sea-depth. Here, we report 3He/4He measurements in CO2–dominated gases discharged at 500 m below sea level from the high-temperature (~220 °C) hydrothermal system of the Kolumbo submarine volcano (Greece), located 7 km northeast off Santorini Island in the central part of the Hellenic Volcanic Arc (HVA). We highlight that the mantle below Kolumbo and Santorini has a 3He/4He signature of at least 7.0 Ra (being Ra the 3He/4He ratio of atmospheric He equal to 1.39×10−6), 3 Ra units higher than actually known for gases-rocks from Santorini. This ratio is also the highest measured across the HVA and is indicative of the direct degassing of a Mid-Ocean-Ridge- Basalts (MORB)-like mantle through lithospheric faults. We finally highlight that the degassing of high-temperature fluids with a MORB-like 3He/4He ratio corroborates a vigorous outgassing of mantlederived volatiles with potential hazard at the Kolumbo submarine volcano.
    Description: Published
    Description: 28013
    Description: 1V. Storia e struttura dei sistemi vulcanici
    Description: 4V. Vulcani e ambiente
    Description: 3A. Ambiente Marino
    Description: JCR Journal
    Description: reserved
    Keywords: Kolumbo ; submarine volcano ; 3He/4He ; volcanic gases ; hydrothermal system ; volcanic arc ; Aegean ; Greece ; MORB ; mantle ; Santorini ; crustal contamination ; 03. Hydrosphere::03.04. Chemical and biological::03.04.06. Hydrothermal systems ; 04. Solid Earth::04.07. Tectonophysics::04.07.02. Geodynamics ; 04. Solid Earth::04.07. Tectonophysics::04.07.06. Subduction related processes ; 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics ; 04. Solid Earth::04.07. Tectonophysics::04.07.08. Volcanic arcs ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases ; 05. General::05.02. Data dissemination::05.02.01. Geochemical data
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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    PAPER (OA)
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