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  • Adenomatous polyps  (1)
  • Ar-H2 mixture  (1)
  • CYSTIC FLUID  (1)
  • Conifers  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Diseases of the colon & rectum 38 (1995), S. 172-176 
    ISSN: 1530-0358
    Keywords: Colorectal cancer ; Adenomatous polyps ; Fasting serum gastrin values
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PURPOSE: Confirmation of an association between elevated serum gastrin concentrations and presence of colorectal tumors would have important implications with regard to screening procedures and therapeutic strategies. METHODS: We compared fasting serum gastrin concentrations of patients with colorectal cancer (n=91; mean age, 66 (range, 35–87) years), colorectal polyps (n=89; mean age, 61 (range, 38–86) years), or a normal colonoscopy (n = 101; mean age, 62 (range, 34–82) years) in the period between 1983 and 1992. RESULTS: Median serum gastrin concentrations were, respectively, 20, 20, and 21 pmol/liter (not significant). We were unable to find a relation with histology of the polyp, presence or severity of dysplasia, and extent of cancer. CONCLUSIONS: This large study fails to show any difference in serum gastrin concentrations among the three studied groups.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Plasma chemistry and plasma processing 16 (1996), S. 379-398 
    ISSN: 1572-8986
    Keywords: Multi-temperature plasmas ; Ar-H2 mixture ; plasma composition ; numerical
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Technology
    Notes: Abstract To take into account the nonequilibrium between the temperatures (electronic, rotation, vibration, translation) in plasmas, the partition function are modified. Then they are used to determine the concentration in a Gibbs free energy minimization method adopted to a multi-temperature plasma. Their influence oil the results for different temperature hypotheses is quantified. The composition and thermodynamic properties of an Ar-H2 mixture are given and discussed for different temperature nonequilibria.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-2242
    Keywords: Key words Somaclonal variation ; Somatic embryogenesis ; Conifers ; RAPD ; Trisomy ; Chimerism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Four embryogenic clones of Norway spruce have been subcultivated and observed over several years to determine the evolution of production of mature embryos and to assess the quality of the embryos produced. A wide range of intraclonal quantitative and qualitative variability has been observed within this production. Certain morphologic deviations appeared at the immature stage and after maturation, such as immature embryos with a diffuse organization, complete or part albino mature embryos or acclimated somatic seedlings comparable to dwarf mutants. All of these phenotypic variations could be the result of a modification of the genome itself or of only the expression of the genome. Two approaches, chromosome counting and RAPD (random amplified polymorphic DNA), were chosen for their capacity to detect genotypic variations: respectively, genomic and chromosomic or genic mutations. The cytogenetic approach revealed, for the first time in this species, three cases of mutated acclimated somatic plants: one totally trisomic and two chimeras with trisomic buds and diploid roots. Other cases of 5-year-old trisomic, double trisomic, tetraploid or mixoploid embryogenic masses were also detected. The molecular approach (RAPD) revealed no somaclonal variation despite the large sample of DNA and primers used and the important interclonal variation observed.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1573-2568
    Keywords: HEPATOBILIARY CYSTADENOCARCINOMA ; CA 19-9 ; OVARIAN STROMA ; CYSTIC FLUID ; IMMUNOSTAINING
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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