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Carcinogenesis. 1984 Aug;5(8):1095-6.

Production of singlet delta oxygen by atmospheric pollutants.

Abstract

Singlet delta oxygen (1O2) was generated at atmospheric pressure using heterogeneous gas-phase photosensitization. Polycyclic aromatic hydrocarbons (PAH), known constituents of the atmosphere, were found to be efficient sensitizers in the production of singlet delta oxygen under simulated environmental conditions. A novel mechanism involving singlet delta oxygen is proposed in which PAH on particle surfaces are self-activated to form direct-acting mutagens.

PMID:
6744516
[PubMed - indexed for MEDLINE]
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