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  • Magnetic resonance imaging  (5)
  • Electro-ultrafiltration analysis  (1)
  • Jamaica  (1)
  • 1
    ISSN: 1432-0789
    Keywords: Key words Risk assessment ; Biocontrol inoculant ; Pseudomonas ; 2 ; 4-Diacetylphloroglucinol ; Electro-ultrafiltration analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract  The biocontrol agent Pseudomonas fluorescens F113, which produces the antimicrobial compound 2,4-diacetylphloroglucinol and inhibits soil-borne phytopathogenic fungi, might also affect non-target resident microorganisms involved in the cycling of soil nutrients. Analyses of soil nutrients and crop foliage were used to assess possible residual effects of the pseudomonad on soil fertility. The Bandon field site was sown in 1994 with sugarbeet seeds that were either untreated, inoculated with the spontaneous rifampicin-resistant mutant F113Rif, or treated with chemical fungicides. The field was cropped with uninoculated red clover in 1995. The inoculant was recovered at only 2.0 log CFU/root system at the first harvest of clovers, and the F113Rif treatment influenced 5 of 17 levels of readily available nutrients determined by electro-ultrafiltration (EUF) analysis of soil. However, this effect was essentially negligible since it was (1) small in magnitude and of little agronomic significance when compared with reference EUF levels, (2) similar in part to those of the commercial seed treatment and other farming practices followed at Bandon, and (3) not statistically significant when data were analysed at the plot level rather than using results from individual soil samples within plots. Clover leaf composition was investigated at two harvests. The F113Rif treatment had no effect on the 20 foliage parameters studied except a small (15%) transient decrease in foliage chlorine at the first harvest. EUF soil analysis and foliage analysis will be useful in future risk assessment studies of genetically modified derivatives of F113.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Neuroradiology 30 (1988), S. 310-314 
    ISSN: 1432-1920
    Keywords: Hydrocephalus ; Spinal cord tumours ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In six young patients presenting with raised intracranial pressure during the period of a year, CT revealed the presence of hydrocephalus, but not the cause. Magnetic Resonance Imaging not only shwed the site and nature of the obstructing lesion, but also detected additional clinically silent spinal cord tumors in five of the patients. The place of MRI in the diagnosis of diseases involving the region of the cranio-cervical junction and in the elucidation of “unexplained hydrocephalus” is considered.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Neuroradiology 37 (1995), S. 462-464 
    ISSN: 1432-1920
    Keywords: Epidural abscess ; Magnetic resonance imaging ; Gadolinium-DTPA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A 10-year-old boy presented with a 7-day history of back pain and pyrexia. MRI showed an epidural abscess arising from septic arthritis in a lumbar facet joint. Whilst septic arthritis in a large joint is relatively common in children, epidural abscess is rare. This case illustrates how infection in a synovial joint may extend into the extradural space and might be the route of infection in more cases than has previously been recognised.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Neuroradiology 37 (1995), S. 462-464 
    ISSN: 1432-1920
    Keywords: Key words Epidural abscess ; Magnetic resonance imaging ; Gadolinium-DTPA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A 10-year-old boy presented with a 7-day history of back pain and pyrexia. MRI showed an epidural abscess arising from septic arthritis in a lumbar facet joint. Whilst septic arthritis in a large joint is relatively common in children, epidural abscess is rare. This case illustrates how infection in a synovial joint may extend into the extradural space and might be the route of infection in more cases than has previously been recognised.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1920
    Keywords: Key words Amyloid ; Cerebral amyloid angiopathy ; Congophilic angiopathy ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The case of a 70-year-old woman with cerebral amyloid angiopathy (CAA) is presented. MRI of the head showed widespread miliary foci of haemorrhage within the cerebrum and cerebellum, with some additional linear lesions within the cerebral cortex and patchy lesions in the white matter. This is in contrast to the more usual pattern of intracranial haemorrhage in CAA, i. e., a lobar haematoma.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Child's nervous system 14 (1998), S. 139-141 
    ISSN: 1433-0350
    Keywords: Key words Cerebellitis ; Hydrocephalus ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A 14-year-old boy presented acutely with occipital headache, nausea and vomiting. MRI showed obstructive hydrocephalus and marked bilateral cerebellar swelling with increased signal on T2-weighted imaging. Following treatment with oral corticosteroids, the clinical and radiological signs resolved. The clinical course and radiological appearances were consistent with cerebellitis associated with a significant mass effect and hydrocephalus.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1573-5117
    Keywords: Littorinidae ; Nodilittorina ; Tectarius ; Cenchritis ; ecology ; supralittoral fringe ; intertidal ; thermoregulation ; Jamaica
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The littorine gastropods Cenchritis muricatus, Nodilittorina mespillum, N. angustior, N. dilatata, N. riisei, N. ziczac and Tectarius antonii from a natural limestone platform on the north coast of Jamaica were evaluated according to several ecological parameters in an effort to define their respective niches on this shore. Distributions along transects perpendicular to the shore demonstrated that distance from the sea is one, albeit not always consistent, ecological criterion which serves to delineate these species. N. riisei generally occupies that region of the shore frequently wetted by wave splash, N. mespillum is usually found within frequently refreshed tidepools and C. muricatus always occupies the highest regions of the shore most distant from the sea. There is, however, considerable overlap between these and other species and, along much of the rock platform, N. angustior, N. dilatata, T. antonii and C. muricatus are sympatric. N. dilatata has the broadest range on this low profile limestone platform. A comparison of body temperatures and substratum temperatures taken from adjacent rock surfaces revealed that the body temperatures of T. antonii generally reflect that of the ambient environment. On the other hand, C. muricatus, N. dilatata, N. riisei and N. angustior seem to thermoregulate, maintaining body temperatures above ambient at temperatures below 29 °C and below ambient at temperatures above 33 °C. Data were also compiled for most species with respect to resting posture (whether hanging suspended or resting aperture-down), resting site (whether within the shelter of a crevice or upon an exposed rock surface), shell orientation and the relative frequency (presence or absence) of a mucous holdfast. Size-frequency analyses indicate that N. riisei and N. angustior re-populate the shore from the meroplankton at least sometime between January and March.
    Type of Medium: Electronic Resource
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