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  • 1
    Electronic Resource
    Electronic Resource
    Meningiomas: Correlation between MRI characteristics and operative findings including consistency (1994)
    Springer
    Acta neurochirurgica 129 (1994), S. 39-46 
    Details
    ISSN: 0942-0940
    Keywords: Tumour consistency ; meningiomas ; MRI ; T 2-weighted image
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The findings on magnetic resonance imaging (MRI) in 73 surgically verified intracranial meningiomas were correlated with their histology and consistency during resection. T 1-weighted imaging was least useful since most of the tumours were iso-intense, similar to cortical grey matter regardless of histology or tumour consistency. The signal intensity on T 2-weighted images was found to best correlate with both the histology and consistency of the meningioma. Generally, the low intensity portion of the tumour on T 2-weighted images indicated a more fibrous and harder character, while the higher intensity portions indicated a more soft character. Most of the fibroblastic meningiomas showed the features of a hard tumour while angioblastic tumours showed the features of soft tumours. Tumours predicted to be harder on MR imaging generally took longer to resect than softer ones, and this relationship was shown best for the larger tumours. Using linear regression analysis, it appears that operative time for soft tumours is more affected by factors other than tumour consistency. Blood loss during surgery was also unrelated to the consistency of the tumour. These results suggest that the histology and consistency of meningiomas may be predictable from findings on T 2-weighted imaging, and this may also predict the difficulty and time required for resection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01400871
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Caprolactam waste liquor degradation by various yeasts (1994)
    Springer
    World journal of microbiology and biotechnology 10 (1994), S. 524-526 
    Details
    ISSN: 1573-0972
    Keywords: Bioremediation ; carpolactam ; effluent ; waste liquor ; yeasts
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract Waste liquor from caprolactam manufacture contains many mono- and di-carboxylic acids. Of four yeasts tested, Yarrowia lipolytica DS-1 was the best at decreasing Chemical Oxygen Demand values, by up to 60% with 50 and 100 g waste liquor/after 48 h. Caproic, butyric and valeric acids were utilized most easily. Adipic acid was not decreased below 13% (w/v).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00367658
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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