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- W1503729037 endingPage "275" @default.
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- W1503729037 abstract "Proteins comprise approximately 68% of the dry weight of cells and tissues and are therefore potentially major targets for photo-oxidation. Two major types of processes can occur with proteins. The first of these involves direct photo-oxidation arising from the absorption of UV radiation by the protein, or bound chromophore groups, thereby generating excited states (singlet or triplets) or radicals via photo-ionisation. The second major process involves indirect oxidation of the protein via the formation and subsequent reactions of singlet oxygen generated by the transfer of energy to ground state (triplet) molecular oxygen by either protein-bound, or other, chromophores. The basic principles behind these mechanisms of photo-oxidation of amino acids, peptides and proteins and the potential selectivity of damage are discussed. Emphasis will be placed primarily on the intermediates that are generated on amino acids and proteins, and the subsequent reactions of these species, and not the identity or chemistry of the sensitiser itself, unless the sensitising group is itself intrinsic to the protein. A particular system is then discussed — the cataractous lens — where UV photo-oxidation may play a major role in the aetiology of the disease, and tryptophan-derived materials are thought to act as UV filters." @default.
- W1503729037 created "2016-06-24" @default.
- W1503729037 creator A5032962662 @default.
- W1503729037 creator A5069317976 @default.
- W1503729037 date "2001-01-01" @default.
- W1503729037 modified "2023-09-26" @default.
- W1503729037 title "Photo-oxidation of proteins and its consequences" @default.
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- W1503729037 doi "https://doi.org/10.1016/s1568-461x(01)80047-8" @default.
- W1503729037 hasPublicationYear "2001" @default.
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