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  • Particle size fractions  (2)
  • Dermatology  (1)
  • 1
    Online Resource
    Online Resource
    Basel : Karger
    Keywords: Hypersensitivity, Immediate ; Dermatology ; Allergy ; Immunology ; Otorhinolaryngology ; Pediatrics
    Description / Table of Contents: Today about 20–30 % of the population are affected by allergies, a concerning fact that is confirmed by recent epidemiological data. This book contains the proceedings of the International Symposium ‘The Atopy Syndrome in the Third Millennium’ held in Zurich in October 1998. It focuses on IgE-mediated allergy, beginning from the first manifestation of atopy, atopic eczema in infancy, and leading to its manifestations in children, adolescents and adults, to hay fever, asthma and food allergy. The topics covered give an update and comprehensive review of the different atopic manifestations concerning clinic, diagnosis, pathomechanisms, treatment and prevention.Summarizing the current knowledge on the fascinating and rapidly progressing field of atopy this publication is essential reading for dermatologists, allergologist, otorhinolaryngologists, and pediatricians
    Type of Medium: Online Resource
    Pages: XII + 212 S
    Edition: Online-Ausg. Online-Ressource Karger eBooks Collection 1997-2009
    ISBN: 9783318002836
    Series Statement: Current problems in dermatology 28
    Language: English
    Location Call Number Limitation Availability
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  • 2
    ISSN: 1573-3025
    Keywords: Aerosols ; Pollen ; Particle size fractions ; Bet v 1 ; Phl p 5
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Recent studies describe interactions of pollen surfaces with aerosol particles; pollen surfaces undergo morphological changes and the release of allergens and allergenic fragments from the pollen can be enhanced. Thus allergens from pollen can be found in particle size fractions much smaller than undamaged pollen (〈5Μm). This may explain allergic reactions in parts of the lungs which cannot be reached by undamaged pollen. In Switzerland the birch tree (betula verrucosa) major allergen Bet v 1 and the grass (phleum pratense) pollen major allergen Phl p 5 are of particular relevance for inducing pollinosis. In this study aerosols of different aerodynamic diameters were sampled by Andersen-Impactors over 18 months. Sampling areas are subjected to different levels of air pollution (Zürich, Switzerland, urban; Payerne, Switzerland, rural: Davos, Switzerland, alpine). Samples were scanned by electron microscopy and submitted to specific allergen assays (ELISA) for birch pollen major allergen Bet v 1 and grass pollen major allergen Phl p 5 respectively. Particle and major allergen concentrations were highest in Zürich, followed by Payerne and, significantly lower, Davos. Scanning electron microscopy investigations showed interactions of aerosols with pollen surfaces in Zürich and Payerne. The presence of Bet v 1 in smaller aerosol fractions was demonstrated in Zürich and Payerne some weeks before and after birch pollen was counted.
    Type of Medium: Electronic Resource
    Location Call Number Limitation Availability
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  • 3
    ISSN: 1573-3025
    Keywords: Aerosols ; Pollen ; Particle size fractions ; Bet v 1 ; Phl p 5
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Recent studies describe interactions of pollen surfaces with aerosol particles; pollen surfaces undergo morphological changes and the release of allergens and allergenic fragments from the pollen can be enhanced. Thus allergens from pollen can be found in particle size fractions much smaller than undamaged pollen (〈5 μm). This may explain allergic reactions in parts of the lungs which cannot be reached by undamaged pollen. In Switzerland the birch tree (betula verrucosa) major allergen Bet v 1 and the grass (phleum pratense) pollen major allergen Phl p 5 are of particular relevance for inducing pollinosis. In this study aerosols of different aerodynamic diameters were sampled by Andersen-Impactors over 18 months. Sampling areas are subjected to different levels of air pollution (Zürich, Switzerland, urban; Payerne, Switzerland, rural; Davos, Switzerland, alpine). Samples were scanned by electron microscopy and submitted to specific allergen assays (ELISA) for birch pollen major allergen Bet v 1 and grass pollen major allergen Phl p 5 respectively. Particle and major allergen concentrations were highest in Zürich, followed by Payerne and, significantly lower, Davos. Scanning electron microscopy investigations showed interactions of aerosols with pollen surfaces in Zürich and Payerne. The presence of Bet v 1 in smaller aerosol fractions was demonstrated in Zürich and Payerne some weeks before and after birch pollen was counted.
    Type of Medium: Electronic Resource
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
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