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Träfflista för sökning "WFRF:(Gonçalo Margarida) ;pers:(Mowitz Martin)"

Sökning: WFRF:(Gonçalo Margarida) > Mowitz Martin

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1.
  • Bruze, Magnus, et al. (författare)
  • The significance of batch and patch test method in establishing contact allergy to fragrance mix I—EDEN Fragrance Study Group
  • 2019
  • Ingår i: Contact Dermatitis. - : Wiley. - 0105-1873 .- 1600-0536. ; 81:1, s. 104-109
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: A fragrance mix consisting of eight separate fragrance ingredients (fragrance mix I [FM I]) is present in most baseline patch test series. Patch testing with the TRUE Test technique is considered to detect less contact allergy to FM I than testing with the Finn Chamber technique. Objective: To investigate the possible significance of batch and patch test method in establishing contact allergy to FM I. Methods: Three thousand one hundred and nineteen individuals representing a sample of the general population were patch tested with two batches of FM I with two patch test techniques at six dermatology clinics in five European countries. The TRUE Test technique and the Finn Chamber technique with pet. preparations were used. McNemar's test was used for statistical calculations. Results: The contact allergy prevalences varied between 0.7% and 2.6%. The patch tests with the mixes containing Evernia prunastri (oak moss) with a high content of chloratranol/atranol resulted in substantially more positive reactions than the corresponding tests with the mixes containing oak moss with a low content of chloratranol/atranol. The Finn Chamber technique detected significantly more contact allergic reactions than the TRUE Test technique (P < 0.001). Conclusion: The Finn Chamber technique detects more contact allergy to FM I than the TRUE Test technique.
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2.
  • Lejding, Tina, et al. (författare)
  • Analysis of Hexavalent Chromium in Cement Samples From Countries Within and Outside the EU : A Study From the International Contact Dermatitis Research Group
  • 2023
  • Ingår i: Dermatitis : contact, atopic, occupational, drug. - : Mary Ann Liebert Inc. - 1710-3568. ; 34:4, s. 323-328
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Allergic contact dermatitis (ACD) caused by hexavalent chromium (Cr(VI)) is often severe and difficult to treat. The content of Cr(VI) in cement can be reduced by, for example, addition of iron(II) sulfate. Since 2005 the content of Cr(VI) in cement is regulated in the EU Directive 2003/53/EC and must not exceed 2 ppm. Since this regulation came into force, ACD caused by cement has markedly been reduced. Objective: To investigate Cr(VI) and total chromium content in samples of cement from countries within and outside the EU. Methods: The members of the International Contact Dermatitis Research Group (ICDRG) were invited to participate in the study with the aim to collect cement samples from geographically different areas. The content of Cr(VI) in the samples was estimated by the diphenyl carbazide spot test, atomic absorption spectroscopy was used to assess the total chromium content. Results: Forty-five cement samples were analyzed, containing amounts of Cr(VI) from <0.1 to >70 ppm. Twenty-one samples contained >2 ppm Cr(VI), 24 contained less. Four of 17 samples from within the EU contained >2 ppm Cr(VI), that is, higher amounts than stipulated in the EU directive, as compared with 17 samples from countries outside the EU. Conclusion: In countries outside the EU, significantly more cement samples contained >2 ppm Cr(VI).
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