Formation of NO under action of UV and visible light on S-nitrosocompounds

Ivan I. Stepuro; Raisa I. Adamchuk; T. P. Piletskaja; Slavomir S. Anufrik

doi:10.1117/12.432990

11 July 2001 Formation of NO under action of UV and visible light on S-nitrosocompounds

Ivan I. Stepuro, Raisa I. Adamchuk, T. P. Piletskaja, Slavomir S. Anufrik

Proceedings Volume 4515, Light and Optics in Biomedicine; (2001) https://doi.org/10.1117/12.432990
Event: Light and Optics in Biomedicine, 2000, Warsaw, Poland

Abstract

It has been shown that NO is released under the exposure of the aqueous solutions of S-nitrosocompounds as well as blood plasma proteins and whole blood of healthy donors to UV and visible light. In addition to NO, thyil radicals which dismutate to disulfides, are formed under anaerobic conditions. In the presence of oxygen, peroxide compounds, cysteine acids derivatives are formed apart from disulfides, and NO is mainly converted to NO₂^-. It is suggested that NO released under the action of UV and visible light from physiological depots induces vascular relaxation, which enhances the blood flow.

Citation Download Citation

Ivan I. Stepuro, Raisa I. Adamchuk, T. P. Piletskaja, and Slavomir S. Anufrik "Formation of NO under action of UV and visible light on S-nitrosocompounds", Proc. SPIE 4515, Light and Optics in Biomedicine, (11 July 2001); https://doi.org/10.1117/12.432990

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