Suppression of menthyl anthranilate (UV-A sunscreen)-sensitized singlet oxygen generation by Trolox and α-tocopherol

Menthyl anthranilate (MA, tradename meradimate) is a UV-A absorber. The interactions of ground-state molecular oxygen with the long-lived triplet state of MA produce singlet oxygen through energy transfer. The quantum yield of singlet oxygen generation is 0.12 in air-saturated ethanol. Kinetic trace...

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Veröffentlicht in:	Photochemical & photobiological sciences 2020-07, Vol.19 (7), p.913-919
Hauptverfasser:	Kitasaka, Shogo, Yagi, Mikio, Kikuchi, Azusa
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorbers Absorption Absorption spectra alpha-Tocopherol - chemistry Antioxidants Atomic energy levels Biochemistry Biomaterials Chemistry Chromans - chemistry Energy Transfer Ethanol Fluorescence Molecular Structure ortho-Aminobenzoates - chemistry Oxygen Phosphorescence Photosensitization Photosensitizing Agents - chemistry Physical Chemistry Plant Sciences Singlet oxygen Singlet Oxygen - chemistry Sun screens Sunscreening Agents - chemistry Sunscreens Tocopherol Triplet state Ultraviolet Rays Vitamin E
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