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  • 1995-1999  (2)
  • Chemistry
  • Cytodifferentiation
  • Hirschsprung's disease
  • 1
    Electronic Resource
    Electronic Resource
    What are the diagnostic criteria for intestinal neuronal dysplasia? (1995)
    Springer
    Pediatric surgery international 10 (1995), S. 459-464 
    Details
    ISSN: 1437-9813
    Keywords: Intestinal neuronal dysplasia ; Hirschsprung's disease ; Acetylcholinesterase staining ; Diagnostic criteria
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The incidence of isolated intestinal neuronal dysplasia (IND) has varied from 0.3% to 62% of all suction rectal biopsies in different centres. The uncertainty regarding the incidence has resulted from the considerable confusion regarding the essential diagnostic criteria. In an attempt to clarify the diagnostic criteria for IND, we examined biopsy material from the following three groups using acetylcholinesterase (AChE) histochemistry: (1) full-thickness normal colon from 23 controls; (2) suction rectal biopsies from 9 patients who had isolated IND; and (3) full-thickness biopsies from 10 patients with Hirschsprung's disease (HD) who demonstrated IND in the proximal margin of the resected segment. Our data show that hyperganglionosis is the most consistent finding in both IND associated with HD and isolated IND. Other histochemical criteria of IND were dependent upon whether the biopsy was full-thickness or a suction rectal biopsy. Where full-thickness biopsies were available, giant ganglia and ectopic ganglion cells were seen in all cases. Increases in AChE-positive nerve fibres in the mucosa was a frequent finding in patients with IND diagnosed by suction rectal biopsies. We recommend that patients suspected to have IND on suction rectal biopsy should have a full-thickness biopsy for detailed examination of the submucous and myenteric plexuses.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00176387
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    New BETS salts based on magnetic (CuCl3, FeCl4) and non-magnetic (GaCl4) anions (1997)
    New York, NY [u.a.] : Wiley-Blackwell
    Advanced Materials for Optics and Electronics 7 (1997), S. 57-60 
    Details
    ISSN: 1057-9257
    Keywords: BETS ; salt ; synthesis ; structure ; conductivity ; magnetoresistance oscillations ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: New BETS salts (where BETS is bis(ethylenedithio)tetraselenafulvalene) with (CuCl3)x, Cu2C6, Cu4Cl8 and Fe0.75Ga0.25Cl4 anions have been obtained. The crystal structures and electrical and magnetoresistance properties of Κ-BETS4Cu4Cl8, θ-BETS4Cu2Cl6 and Κ-BETS2Fe0.75Ga0.25Cl4 have been studied. The last two compounds have been found to exhibit Shubnikov-de Haas and angle-dependent magnetoresistance oscillations. © 1997 John Wiley & Sons, Ltd.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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