photosensitizationn.

Brit.

/ˌfəʊtə(ʊ)sɛnsᵻtʌɪˈzeɪʃn/, U.S.

/ˈˌfoʊdəˌsɛnsədəˈzeɪʃ(ə)n/,

/ˈˌfoʊdəˌsɛnsəˌtaɪˈzeɪʃ(ə)n/

Forms: 1900s– photosensitisation, 1900s– photosensitization.

Origin: Formed within English, by compounding. Etymons: photo- comb. form, sensitization n.

Etymology: < photo- comb. form + sensitization n., after photosensitize v. Compare earlier photosensitizer n., photosensitized adj.

1. Chemistry. The initiation of a reaction by light acting on a suitable photosensitizer.

ΘΚΠ

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.

ΘΚΠ

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).

单词	photosensitization
释义	photosensitizationn. Brit. /ˌfəʊtə(ʊ)sɛnsᵻtʌɪˈzeɪʃn/, U.S. /ˈˌfoʊdəˌsɛnsədəˈzeɪʃ(ə)n/, /ˈˌfoʊdəˌsɛnsəˌtaɪˈzeɪʃ(ə)n/ Forms: 1900s– photosensitisation, 1900s– photosensitization. Origin: Formed within English, by compounding. Etymons: photo- comb. form, sensitization n. Etymology: < photo- comb. form + sensitization n., after photosensitize v. Compare earlier photosensitizer n., photosensitized adj. 1. Chemistry. The initiation of a reaction by light acting on a suitable photosensitizer. ΘΚΠ 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. ΘΚΠ 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). < n.1924
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