Photosensitization Studies in Selected Dyestuffs

Author:

Kumar Vikesh1,Tripathi M. R.1,Kumar Manish1,Shukla Gopal1

Affiliation:

1. Department of Chemistry, D.A.V.P.G. College, Kanpur-208001 Uttar Pradesh, India

Abstract

There are various dyestuffs species to produce reactive oxygen such as singlet oxygen O2and super oxide radicals. Irradiation with sun lightin vitro, the dyestuff like benzanthrone, metanil yellow andp-aminodiphenylamine were found to produce reactive oxygen species such as singlet oxygen (1O2) and/or superoxide radicals (O2-). However benzanthrone produces detectable amount of1O2Although metanil yellow andp-aminodiphenylamine (p-ADPA) did not produce detectable amounts of1O2under similar conditions. The above dyestuffs are routinely used in textiles, cosmetics, detergents, leather industries as well as food additives. In view of the fact that workers exposed to some of these chemicals during manufacture, pulverization and storage develop edema and even skin cancers in the exposed areas of skin. We believe that activated oxygen species may play a major role in the development of these symptoms.

Publisher

Hindawi Limited

Subject

General Chemistry

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