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  • 1990-1994  (1)
  • 1965-1969  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Screening for delayed-hypersensitivity in Italian children: Multicentric study by multitest skin testing (1990)
    Springer
    European journal of pediatrics 150 (1990), S. 37-39 
    Details
    ISSN: 1432-1076
    Keywords: Delayed hypersensitivity ; Skin testing ; Cell-mediated immunity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The Multitest skin test allows the simultaneous intradermal application of seven standardized recall antigens in a reproducible manner. Response reading is based on a scoring system that distinguishes between normal and diminished delayed hypersensitivity (DH). To determine incidence and size of DH responses for each antigen in relation to age and sex in healthy Italian children, a multicentric study was performed on a representative paediatric population of 491 subjects (285 males and 296 females) aged from 4 months to 16 years. In both sexes DH reactivity as measured by score and number of positive responses increased significantly with age. The incidence of anergy was 8.8% for the whole population and decreased significantly with age in both sexes. Incidence of positive responses was highest for tetanus and diphteria toxoids, intermediate forCandida, Proteus andStreptococcus, and lowest for tuberculin andTrichophyton antigens. There was no significant difference between sexes in the incidence of positive response to each antigen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01959477
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The 19F chemical shift in oxygen containing carbon fluorine products (1969)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 1 (1969), S. 281-293 
    Details
    ISSN: 0030-4921
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: We have examined the 19F NMR spectra of a number of oxygen-containing fluorocarbon products and obtained a comprehensive set of 19F chemical shift values, which enabled us to determine the influence of an oxygen atom bonded to a fluorocarbon group on the 19F chemical shift. The influence of neighbouring fluorocarbon groups, either directly connected or separated by an oxygen atom, was also considered.Our results may be summarized as follows. An oxygen atom bonded by a single bond (ether type bond) to a fluorine substituted carbon atom decreases the 19F chemical shift, as does the introduction of a further fluorine atom. Considering two adjacent fluorocarbon groups, a variation of x ppm in the 19F chemical shift of one of the two groups gives a variation of 0·12 x ppm in the opposite sense on the 19F chemical shift of the other group. If the two groups are connected by an ether oxygen atom, the effect is only about 0·06 x ppm.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1270010402
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    Paper (German National Licenses)
    Fulltext
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