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Physiochemical Methods for Detection of Occupational Contact Allergens

  • Malin Engfeldt
  • Birgitta Gruvberger
  • Magnus BruzeEmail author
Reference work entry

Abstract

To diagnose and prevent allergic contact dermatitis the demonstration of allergens in products from the patient’s environment is important. Chemical analysis of a product can make it possible to demonstrate the presence or absence of known allergens.

There are simple spot tests that can be used to qualitatively demonstrate the presence of some of the most common contact allergens such as nickel ions, hexavalent chromium ions, cobalt ions, and formaldehyde.

For most substances more advanced chemical methods are needed. Such methods often consist of a chromatographic separation system and a detection system. Examples of separation techniques are thin-layer chromatography, high-performance liquid chromatography, and gas chromatography, while detection and quantification of substances can be done using e.g., UV-VIS spectrophotometry, mass spectrometry, and atomic absorption spectrophotometry.

Methods such as mass spectrometry, nuclear magnetic resonance spectroscopy, and infrared spectrophotometry are often required to identify isolated allergens.

Keywords

Spot tests Thin layer chromatography High pressure liquid chromatography Mass spectrometry Atomic absorption spectrophotometry 

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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Malin Engfeldt
    • 1
  • Birgitta Gruvberger
    • 2
  • Magnus Bruze
    • 3
    • 2
    Email author
  1. 1.Department of Occupational and Environmental DermatologySkåne University Hospital (SUS), Lund UniversityMalmöSweden
  2. 2.Department of Occupational and Environmental DermatologySkåne University Hospital Malmö, Lund UniversityMalmöSweden
  3. 3.Department of DermatologyUniversity of California Medical SchoolSan FranciscoUSA

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