photo-oxidation

photo-oxidation

a chemical reaction occurring as a result of absorption of light in the presence of oxygen.
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BASFs range of light stabilizers include UV absorbers that act by shielding the polymer from UV light, and Hindered Amine Light Stabilizers (HALS) that act by scavenging radicals formed in the photo-oxidation process.
Light-oxidized flavor has been linked to the photo-oxidation of native milk riboflavin.
However, development of substitute technologies such as ion exchange, distillation and photo-oxidation which gave optimum results is expected to hamper the growth of the filters market.
Logically, the next question was: Is photo-oxidation fast enough to account for the rapid oxidation detected on the sea surface?
This emphasizes the role of a photo-oxidation process driven by short wavelengths of light (3, 27).
La Mantia, "Effect of compatibilization on the photo-oxidation behaviour of polyethylene/polyamide 6 blends and their nanocomposites," Polymer Degradation and Stability, vol.
Photolysis (film degradation due to light exposure in an inert atmosphere) of P3HT occurs several orders of magnitude slower than photo-oxidation [27].
Comparison of Oxidative Stability of Sesame (SesamumIndicum), Soybean (Glycine Max) and Mahua (Mee) (MadhucaLongifolia) Oils Against Photo-Oxidation and Autoxidation.
This prevents the melanin synthesis process and protects against photo-oxidation caused by UV radiation.
The techniques employed included chromic acid oxidation (CrA) (Masiello and Druffel 1998), high-energy ultraviolet photo-oxidation (PO) (Skjemstad et at.
The auto-oxidation and photo-oxidation susceptibility of vegetable oils is one of the biggest problems of vegetable oil processing industry (Choe and Min, 2006).
Few publications have discussed about the photo-oxidation of PP in the presence of pro-oxidants [11].