Photodegradation is the alteration of materials by light. Commonly, the term is used loosely to refer to the combined action of sunlight and air, which...
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Cigarette (section Photodegradation)
the environment, cellulose acetate can go through biodegradation and photodegradation. Several factors go into determining the rate of each degradation process...
161 KB (15,922 words) - 00:52, 24 May 2025
In polymer chemistry, photo-oxidation (sometimes: oxidative photodegradation) is the degradation of a polymer surface due to the combined action of light...
43 KB (5,001 words) - 12:59, 24 May 2025
Dissolved organic carbon (section Photodegradation)
trace metal and DOC chemical composition, and promote DOC degradation. Photodegradation involves the transformation of CDOM into smaller and less colored molecules...
80 KB (9,655 words) - 14:54, 23 May 2025
behavior of O2, which is central to fuel cells. ROS are central to the photodegradation of organic pollutants in the atmosphere. Most often however, ROS are...
71 KB (8,525 words) - 10:11, 14 May 2025
more reactive toward organic compounds. It is responsible for the photodegradation of many materials but can be put to constructive use in preparative...
29 KB (2,967 words) - 01:42, 25 May 2025
processes. Photochemistry can also be destructive, as illustrated by the photodegradation of plastics. Photoexcitation is the first step in a photochemical process...
26 KB (2,835 words) - 12:30, 23 May 2025
light wavelengths in disinfecting water, the rate and mechanism of photodegradation of folic acid in the blood, and the chirality of molecules to determine...
6 KB (674 words) - 01:25, 24 May 2025
in chemical photography and x-ray imaging, and causes sunburn and photodegradation of materials. Actinic chemicals include silver salts used in photography...
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(1.2 m) above the water. Its surface has been bleached white due to photodegradation. The exposed end of the floating tree is splintered and worn but wide...
6 KB (712 words) - 08:44, 27 February 2025
Garbage patch (section Photodegradation of plastics)
regions where researchers have studied the effects and impact of plastic photodegradation in the neustonic layer of water. Unlike organic debris, which biodegrades...
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compared to tretinoin and tazarotene, which leads to less concern for photodegradation. It is also chemically more stable compared to the other two retinoids...
21 KB (1,907 words) - 19:51, 29 May 2025
plastic. Microplastics and nanoplastics result from the breakdown or photodegradation of plastic waste in surface waters, rivers or oceans. Recently, scientists...
161 KB (19,112 words) - 04:36, 2 June 2025
Methyl violet (section Photodegradation)
The three most prominent are chemical bleaching, biodegradation, and photodegradation. Chemical bleaching is achieved by oxidation or reduction. Oxidation...
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melanoma, a cancer of melanin cells. Melanin also protects against photodegradation of the vitamin folate in skin tissue, and in the eyes, preserves eye...
166 KB (18,585 words) - 22:32, 29 May 2025
Retrieved on 2012-05-26. Yousif, Emad; Haddad, Raghad (2013-08-23). "Photodegradation and photostabilization of polymers, especially polystyrene: review"...
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black), soft, with a strong fecal smell. Following months to years of photodegradation and oxidation in the ocean, this precursor gradually hardens, developing...
23 KB (2,330 words) - 18:36, 24 May 2025
photosensitizers in reactions such as photopolymerization, photocrosslinking, and photodegradation. Photosensitizers are also used to generate prolonged excited electronic...
29 KB (3,115 words) - 19:54, 11 May 2025
Musa KA, Eriksson LA (August 2022). "Computational Studies of the Photodegradation Mechanism of the Highly Phototoxic Agent Benoxaprofen". ACS Omega....
109 KB (11,498 words) - 04:16, 2 June 2025
Silver-Incorporated Carbon-Based Zinc Oxide Nanocomposites for the Photodegradation of Textile Dyes and Various Pharmaceuticals". Textiles. 4 (1): 104–125...
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DBNPA (section Photodegradation)
to 25 hours, with pH values between 4.8 and 7.5. DBNPA is prone to photodegradation in regions exposed to sunlight and aqueous hydrolysis in moist soil...
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cause pollution, though once discarded they undergo biodegradation and photodegradation. E-cigarettes that are not reusable contribute to the problem of electronic...
256 KB (26,796 words) - 22:00, 1 June 2025
ISSN 0929-8673. PMID 12369873. Zhang S (2016). "Unveiling self-sensitized photodegradation pathways by DFT calculations: A case of sunscreen p-aminobenzoic acid"...
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responsible for the indirect photodegradation of BP-3 and 4-OH-BP3 in seawater, whereas, in freshwater, the indirect photodegradation of these two compounds...
29 KB (3,522 words) - 00:18, 22 May 2025
is referred to as fatigue, and it is observed by processes such as photodegradation, photobleaching, photooxidation, and other side reactions. All photochromic...
30 KB (2,669 words) - 14:21, 22 May 2025
wide range of research areas including photobiology, photo-oxidation, photodegradation, photovoltaics, and photocatalysis. The standards specifying performance...
39 KB (4,338 words) - 19:06, 22 May 2025
Christopher R.; Forciniti, Daniel (2001). "Modeling the Ultraviolet Photodegradation of Rigid Polyurethane Foams". Industrial & Engineering Chemistry Research...
57 KB (6,312 words) - 01:33, 1 June 2025
Geraldo E. (February 2021). "2,4-Dichlorophenoxyacetic acid (2,4-D) photodegradation on WO3-TiO2-SBA-15 nanostructured composite". Environmental Science...
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(minimal erythemal doses), 98.4% remains intact. It helps prevent the photodegradation of other sunscreen actives like avobenzone. Tinosorb S Aqua, recently...
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dependent on pH and temperature, sunlight photodegradation was observed at a slower rate than ultraviolet photodegradation, and that microbial metabolism and...
5 KB (461 words) - 12:58, 8 December 2024