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  • 1
    Electronic Resource
    Electronic Resource
    Developmental profile of a fetuin-like glycoprotein in neocortex, cerebrospinal fluid and plasma of post-natal tammar wallaby (Macropus eugenii) (1991)
    Springer
    Anatomy and embryology 183 (1991), S. 313-320 
    Details
    ISSN: 1432-0568
    Keywords: Brain development ; Marsupial ; Neocortex ; Fetuin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A fetuin-like glycoprotein (FLG) has been shown to be present in early cortical plate cells in the developing brain of the tammar wallaby (Macropus eugenii). The developmental sequence of the occurrence of glycoprotein-positive fibres and cells in the dorsolateral telencephalic wall from newborn to day 40 is described. The level of FLG in CSF (cerebrospinal fluid) and plasma of the tammar wallaby has also been measured during pouch life. The presence of FLG in early postnatal fibre systems and in some cells in the primordial plexiform layer, as well as in early cortical plate cells of the tammar is similar to that of fetuin in fetal brain in sheep, pig and cow, and α2HS glycoprotein in human fetal brain. The sequence of appearance of FLG-positive cells during neocortical development in the tammar is strikingly similar to that of a transient population of early cortical plate cells previously described in fetal cat and sheep cortex. During postnatal development, levels of FLG in tammar plasma and CSF follow a pattern different from that of other species. The developmental expression of all three related glycoproteins in their respective species is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00192218
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  • 2
    Electronic Resource
    Electronic Resource
    High levels of gene flow in the surf bivalve Donax deltoides (Bivalvia: Donacidae) on the east coast of Australia (1997)
    Springer
    Marine biology 128 (1997), S. 83-89 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We surveyed patterns of allelic variation within twelve samples of the pipi Donax deltoides Lamarck from beaches separated by up to 1200 km but connected to varying degrees by the East Australian Current. We used these data to test the prediction that the irregular patterns of water movement would cause genetic differentiation in pipis, so that there would be more genetic variation within and among the more southern regions than the northern regions. We found that six loci were at least moderately variable within all samples, and there were no clear geographic patterns in allelic frequencies. In general, genotype frequencies within samples were consistent with predictions for an outcrossed, sexually reproducing species, and we detected no evidence of population subdivision. Within samples, with the exception of the peptidase loci, single-locus genotype frequencies were in close agreement with expectations for Hardy–Weinberg equilibrium. We observed no significant linkage disequilibrium for any pairwise comparison of loci in any sample. Our hierarchical analysis of genetic variation revealed little variation among all samples (F st = 0.009). Loci showed consistently low levels of subdivision (F st from 0.003 to 0.018). We found almost no variation among the four geographic regions sampled (F rt = 0.001). All variation was therefore attributable to variation among samples within regions (F sr = 0.010). These data imply that larvae are moving between regions and that levels of present or recent gene flow are high, and support the conclusions of other studies which have inferred widespread gene flow for animals dispersing via planktonic, outcrossed larvae in parts of this region. This implies that the East Australian Current is sufficient to produce strong larval connections despite its intermittent nature. If existing levels of population subdivision reflect current levels of gene flow, then these data imply that D. deltoides represents a single fishery on the east coast of Australia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002270050071
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  • 3
    Electronic Resource
    Electronic Resource
    In situ assessment of modification of sediment properties by burrowing invertebrates (1993)
    Springer
    Marine biology 115 (1993), S. 133-142 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Benthic organisms can significantly alter the physical properties of marine sediments, but it has hitherto been difficult to assess and quantify the effects of bioturbation. In situ geophysical techniques offer new methods for measuring these effects: measurement of acoustic shear-wave velocity and electrical resistivity allows nondestructive assessment of the properties of the grain framework and pore-fluid matrix, respectively, of the seabed sediment. The influence of burrowing invertebrates on the structural properties of sandy sediments at intertidal locations on the coast of Wales (UK) was investigated during the periol 1986–1987 using these techniques. Three species (Arenicola marina, Corophium arenarium and Lanice conchilega) were selected on the basis of their contrasting styles of burrow construction. All three species produced measurable and significant, although different, changes in bed properties. They modified shear-wave propagation through the bed by changing bed rigidity: while A. marina and C. arenarium decreased rigidity by creating open burrows, L. conchilega increased rigidity by building shell-lined tubes. All produced a decrease in electrical resistivity by altering porosity and/or tortuosity, which implies an increase in permeability; these changes were attributable not only to the presence of the burrows but also to modification of the between-burrow sediment texture and bed properties.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00349395
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  • 4
    Electronic Resource
    Electronic Resource
    Juvenile colloid milium: clinical, histological and ultrastructural features (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of cutaneous pathology 19 (1992), S. 0 
    Details
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We report the clinical, histological and ultrastructural features of juvenile colloid milium affecting a brother and sister. In this rare condition, translucent papules develop on sun-exposed areas of skin, with onset in childhood. Histologically and ultrastructurally, the papules consist of amyloid-like material derived from epidermal keratonocytes. A review of the literature suggests a possible genetic abnormality that leads to sun-induced degeneration of keratinocytes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0560.1992.tb00617.x
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  • 5
    Electronic Resource
    Electronic Resource
    Erratum: "On the equation of motion of the underformed section of a Taylor impact specimen'' [J. Appl. Phys. 61, 499 (1987)] (1988)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 64 (1988), S. 2249-2249 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.341699
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  • 6
    Electronic Resource
    Electronic Resource
    Anaesthesia for insertion of bone-anchored hearing aids in children: a 7-year audit (2001)
    Oxford, UK : Blackwell Science Ltd
    Anaesthesia 56 (2001), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Forty-three children, aged 23 months to 14 years, received 102 anaesthetics for insertion of bone-anchored hearing aids, each lasting approximately 30–60 min. Forty of the children had a recognised syndrome involving the head and neck, including Goldenhar's and Treacher Collin's syndrome. The incidence of congenital heart disease was 19%. Pre-existing conditions, anaesthetic technique, grade of intubation, complications and discharge were audited. Sixteen of the patients were classified as Grade 3 or 4 intubations. Over the 7 years, laryngeal mask airway usage increased for airway maintenance rather than tracheal intubation, as did the use of propofol for induction rather than inhalational methods. Intra-operative complications (5.9%) were related to the airway, and postoperative ones (17.6%) mainly to nausea and vomiting. Surgery was performed as a day case in 71% of the patients despite some long-distance travel.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2044.2001.02058.x
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  • 7
    Electronic Resource
    Electronic Resource
    Fast electron transport and lower hybrid absorbed power profiles from hard x-ray imaging in the Princeton Beta Experiment-Modified (1995)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 2 (1995), S. 1548-1560 
    Details
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Recent hardware improvements on the hard x-ray camera of the Princeton Beta Experiment-Modified (PBX-M) expand the capabilities for observing bremsstrahlung radiation from fast electrons during lower hybrid current drive (LHCD) experiments, thereby allowing accurate fast electron transport studies. Developed methods to directly invert two-dimensional x-ray images reveal radial profiles of the emitted intensity and isotropy. Such profiles extracted from lower hybrid (LH) modulation experiments permit computation of the lower hybrid power absorption profile. Results from application to the LH phase scans demonstrate the ability to control the peak location of the driven current. Incorporating these results into simulations using both a three-dimensional Fokker–Planck code and a simple modulation model provides lower and upper bound estimates for the hot electron diffusion coefficient D*. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.871484
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  • 8
    Electronic Resource
    Electronic Resource
    On the equation of motion of the undeformed section of a Taylor impact specimen (1987)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 61 (1987), S. 499-502 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: In this paper a one-dimensional analysis is presented that leads to the appropriate equation of motion for the undeformed portion of a plastic, rigid rod after impact with a rigid anvil. This equation is used as a basis for deducing material properties of the rod material from post-test measurements.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.338249
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  • 9
    Electronic Resource
    Electronic Resource
    Aquagenic pruritus associated with juvenile xanthogranuloma (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental dermatology 18 (1993), S. 0 
    Details
    ISSN: 1365-2230
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: While the relationship of aquagenic pruritus (AP) to haematoproliferative conditions is well-recognized, an association with histiocytic disorders has not previously been described. The case of a child with both AP and juvenile xanthogranulomata (JXG) is reported. The cutaneous lesions were typical of JXG, both clinically and histologically, and in addition there were radiological changes consistent with JXG in the lungs. AP is rare in childhood and the coincidental occurrence with unusually extensive JXG seems unlikely.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2230.1993.tb02180.x
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  • 10
    Electronic Resource
    Electronic Resource
    Milia restricted to the eyelids (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental dermatology 20 (1995), S. 0 
    Details
    ISSN: 1365-2230
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We report a highly unusual clinical case of multiple, bilateral milia restricted to the upper eyelids, with a family history suggestive of autosomal dominant inheritance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2230.1995.tb02671.x
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