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Green light radiation effects on free radicals inhibition in cellular and chemical systems

Paper ID Volume ID Publish Year Pages File Format Full-Text
29916 44446 2011 6 PDF Available
Title
Green light radiation effects on free radicals inhibition in cellular and chemical systems
Abstract

Free radicals generation is inhibited through green light (GL) irradiation in cellular systems and in chemical reactions. Standard melanocyte cultures were UV-irradiated and the induced cellular reactive oxygen species (ROS) were quantified by the fluorescence technique. The same cell cultures, previously protected by a 24 h GL exposure, displayed a significantly lower ROS production.A simple chemical reaction is subsequently chosen, in which the production of free radicals is well defined. Paraffin wax and mineral oil were GL irradiated during thermal degradation and the oxidation products checked by chemiluminescence [CL] and Fourier transform infrared spectra [FT-IR].The same clear inhibition of the radical oxidation of alkanes is recorded. A quantum chemistry modeling of these results is performed and a mechanism involving a new type of Rydberg macromolecular systems with implications for biology and medicine is suggested.

Keywords
Green light effects; Free radicals; Antioxidants; Macroscopic quantum phenomena; Macromolecular Rydberg states
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology B: Biology - Volume 102, Issue 1, 10 January 2011, Pages 39–44
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Price was $35.95
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