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  • 1
    Electronic Resource
    Electronic Resource
    Serial neuroradiological studies in focal cerebritis (1994)
    Springer
    Neuroradiology 36 (1994), S. 285-288 
    Details
    ISSN: 1432-1920
    Keywords: Cerebritis ; Brain abscess ; MRI ; CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report serial neuroradiological studies in a patient with focal cerebritis in the head of the left caudate nucleus. On the day after the onset of symptoms, CT showed an ill-defined low density lesion. The lack of contrast enhancement appeared to be the most important finding for differentiating focal cerebritis from an encapsulated brain abscess or a tumour. MRI two days later revealed the centre of the lesion to be of slightly low intensity on T1-weighted inversion recovery (IR) images and very low intensity on T2-weighted spin echo images, which appeared to correspond to the early cerebritis stage of experimentally induced cerebritis and brain abscess. Ten days after the onset of symptoms, CT revealed a thin ring of enhancement in the head of the caudate nucleus, and a similar small ring was seen in the hypothalamus 16 days after the onset, corresponding to the late cerebritis stage. MRI nine days later revealed ill-defined high signal lesions within the involved area on the T1-weighted IR images. To our knowledge, this is the first published MRI documentation of the early cerebritis stage developing into an encapsulated brain abscess. The mechanisms underlying of these radiographic changes are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00593261
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Diagnosis of lung cancer in a patient with pneumoconiosis and progressive massive fibrosis using MRI (1998)
    Springer
    European radiology 8 (1998), S. 615-617 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Lung cancer ; Progressive massive fibrosis ; Pneumoconiosis ; MRI
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. We report the MRI features and correlative pathologic findings of a lung cancer in a patient with progressive massive fibrosis (PMF). In this case, MRI was able to distinguish the lung cancer as a high signal intensity area, and the fibrotic mass as a low signal intensity area, on both T1-weighted and T2-weighted images when compared with muscle. MRI is potentially useful in distinguishing cancer tissue from PMF in patients with pneumoconiosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050446
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Effect of polymer composition on the production of cationic multihollow polymer particles by the stepwise acid/alkali method (1999)
    Springer
    Colloid & polymer science 277 (1999), S. 589-594 
    Details
    ISSN: 1435-1536
    Keywords: Key words Hollow ; Particle ; Emulsion polymerization ; Morphology ; Swelling
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The effect of the polymer composition on the formation of multihollow structures formed within submicron-sized styrene–butyl acrylate–dimethylaminoethyl methacrylate terpolymer particles by the “acid/alkali method” proposed by the authors was examined. The cationic particles were produced by seeded emulsion terpolymerization with 2,2′-azobis(2-amidinopropane) hydrochloride initiator. The dimethylaminoethyl methacrylate content and the glass-transition temperature of the terpolymer greatly affected the formation of the multihollow structure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003960050430
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Effect of nonionic emulsifier on the production of multihollow polymer particles by the stepwise acid/alkali method (2000)
    Springer
    Colloid & polymer science 278 (2000), S. 358-363 
    Details
    ISSN: 1435-1536
    Keywords: Key words Hollow ; Particle ; Emulsion polymerization ; Morphology ; Swelling
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The effects of nonionic emulsifier on the formation of multihollow structures formed within sub-micron-sized polymer particles by the “acid/alkali method” proposed by the authors were examined. The original acid-swellable particles were produced by seeded emulsion terpolymerization of styrene, butyl acrylate, and dimethylaminoethyl methacrylate. The results indicate that the nonionic emulsifier had a great effect on the formation of multihollow particles.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003960050525
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    Paper (German National Licenses)
    Fulltext
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