The Role of Iron in the Redox Surface Activity of Fibers. Relation to Carcinogenicity

  • J. Fournier
  • J. Guignard
  • A. Nejjari
  • R. Zalma
  • H. Pezerat
Part of the NATO ASI Series book series (NSSA, volume 223)

Abstract

A mechanistic study of the carcinogenicity induced by inorganic fibrous dusts should include research on the possible intervention of redox sites on the surface of these materials when immersed in an aerated aqueous medium (see the general paper by H. Pezerat, this volume). It can be shown that electrophilic species may be produced, by reaction of molecular oxygen with reducing surface sites (SR), on inorganic particles according to the general scheme below:
$$ {{S}_{R}}\xrightarrow[{{H}_{2}}O]{{{O}_{2}}}{{O}^{*}} $$

Keywords

Dust Sulfide Silicate Zeolite Aldehyde 

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Copyright information

© Plenum Press, New York 1991

Authors and Affiliations

  • J. Fournier
    • 1
  • J. Guignard
    • 1
  • A. Nejjari
    • 1
  • R. Zalma
    • 1
  • H. Pezerat
    • 1
  1. 1.Laboratoire de Réactivité de Surface et StructureUniversité P.et M. Curie, CNRS URA 1106Paris, Cedex 05France

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