photooxidation


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photooxidation

[‚fōd·ō‚äk·sə′dā·shən]
(physical chemistry)
The loss of one or more electrons from a photoexcited chemical species.
The reaction of a substance with oxygen and light. When oxygen remains in the product, the reaction is also known as photooxygenation.
References in periodicals archive ?
Gardette, Influence of water on the photooxidation of KHJA(r) phenoxy resins - Mechanisms, Polym.
Figure 1 shows the results of photooxidation of PEA 1 with and without MB in the presence of oxygen or in an oxygen-depleted environment, monitored by emission and absorption spectroscopy, while Figure 2 shows the results of the analogous experiments using RB instead of MB as photosensitizer.
13,24-26) Additionally, the photooxidation of the acrylic resin is another aspect that enhances the deterioration of the fireproof properties of the coating.
Photooxidation of biodegradable crude oil and toxicity of the photooxidized products.
Study of Au/Au3+-TiO2 photocatalysts toward visible photooxidation for water and wastewater treatment.
Carotenoids act as photoprotective pigments by avoiding the generation of singlet oxygen and chlorophyll photooxidation (Dillard and German, 2000).
Photochemical reactions in wood are initiated by the UV radiation causing the formation of free radicals, which causes the degradation of lignin and photooxidation of cellulose and hemicelluloses, leading to discoloration of wood [9].
Antibacterial compounds from Rose Bengal-sensitized photooxidation of beta-caryophyllene.
Complement activation by photooxidation products of A2E a lipofuscin constituent of the retinal pigment epithelium.
In populated environments, formaldehyde is emitted by incomplete combustion of hydrocarbon fuels and formed secondarily by hydrocarbon photooxidation.
On the primary functions of melatonin in evolution: mediation of photoperi-odic signals in a unicell, photooxidation.