photosensitizationn.
/ˌfəʊtə(ʊ)sɛnsᵻtʌɪˈzeɪʃn/, U.S. /ˈˌfoʊdəˌsɛnsədəˈzeɪʃ(ə)n/, /ˈˌfoʊdəˌsɛnsəˌtaɪˈzeɪʃ(ə)n/ 1. Chemistry. The initiation of a reaction by light acting on a suitable photosensitizer.
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the world > matter > physics > electromagnetic radiation > light > scientific effects of light > [noun] > study of chemical action of light > photosensitization
photosensitization1924
1924 H. S. Taylor Treat. Physical Chem. II. xviii. 1241 Uranium salts are positive catalysts for the photoreaction, presumably by photo-sensitization.
1974 D. R. Arnold et al. Photochem. vi. 133 Photosensitization involves the absorption of radiation by a strongly absorbing substance, the photosensitizer and its collisional transfer to another substance which is non-absorbing at the same wavelength.
2002 Rochester (N.Y.) Business Jrnl. (Nexis) 25 Jan. 1 Farid holds 27 patents in the areas of photosensitization and photolithography. One of Farid's two patents in 2001 focused on a method for reducing dye stains in photographic elements.
2. Medicine. The production or condition of photosensitivity.
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the world > health and disease > ill health > a disease > environmental disorders > [noun] > light
photophoby1858
light sensitivity1905
photosensitization1926
photosensitivity1938
phototoxicity1942
1926 E. Mayer Clin. Applic. Sunlight v. 86 (heading) Photosensitization.
1973 in L. P. Miller Phytochem. 3 xiv. 384 These last [sc. photodynamic toxins] may act either by sensitizing the animal directly..or by causing liver damage, which then leads to photosensitization as a secondary consequence.
1991 Lancet 25 May 1259/1 Photosensitisation of volunteers with a chemical such as psoralens.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1924