photosensitizern.

Brit.

/ˌfəʊtə(ʊ)ˈsɛnsᵻtʌɪzə/, U.S.

/ˌfoʊdəˈsɛnsəˌtaɪzər/

Forms: 1900s– photosensitiser, 1900s– photosensitizer.

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

Etymology: < photo- comb. form + sensitizer n.

1. Chemistry and Biochemistry. A substance capable of initiating a chemical reaction by absorbing light energy and transferring it to a reactant.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > light > scientific effects of light > [noun] > study of chemical action of light > photosensitization > photosensitizer

photosensitizer1911

1911 Science 27 Jan. 136/1 The chlorophyll was employed to effect a reduction of the carbon dioxide and water into formaldehyde by acting as a photo-sensitizer.

1928 Proc. Royal Soc. A. 121 296 It is not to be supposed that only fluorescent substances will act as photosensitizers; substances capable of absorbing radiation of the appropriate frequency may be effective, whether fluorescent or not.

1974 Photochem. & Photobiol. 19 441/2 The versatility of flavins as photosensitizers in numerous photoprocesses.

2002 JCNN (Nexis) 12 Sept. The same as that of next-generation solar cells which often use ruthenium complex dyes as a photosensitizer.

2. Medicine. A substance that causes photosensitization; (also) a drug used in photodynamic therapy.

ΘΚΠ

the world > life > biology > biological processes > movement > movement in response to stimuli > [noun] > response to light > substance or organism

photosensitizer1925

1925 Practitioner Aug. 103 The visible rays, however, have this effect when the irradiated cells are incorporated with photosensitizers, such as eosin and hæmatoporphyrin.

1946 Nature 14 Dec. 877/2 They found that the cancerogenic substances had a stronger effect than the non-cancerogenic photosensitizers.

1975 Sci. Amer. July 72/3 A number of widely prescribed drugs (such as the tetracyclines) and constituents of foods (such as riboflavins) are potential photosensitizers.

1994 Brit. Approved Names 1990 (Brit. Pharmacopoeia Comm.) Suppl. viii. 6 Temoporfin..Photosensitiser in the photodynamic therapy of cancer.

This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).

单词	photosensitizer
释义	photosensitizern. Brit. /ˌfəʊtə(ʊ)ˈsɛnsᵻtʌɪzə/, U.S. /ˌfoʊdəˈsɛnsəˌtaɪzər/ Forms: 1900s– photosensitiser, 1900s– photosensitizer. Origin: Formed within English, by compounding. Etymons: photo- comb. form, sensitizer n. Etymology: < photo- comb. form + sensitizer n. 1. Chemistry and Biochemistry. A substance capable of initiating a chemical reaction by absorbing light energy and transferring it to a reactant. ΘΚΠ the world > matter > physics > electromagnetic radiation > light > scientific effects of light > [noun] > study of chemical action of light > photosensitization > photosensitizer photosensitizer1911 1911 Science 27 Jan. 136/1 The chlorophyll was employed to effect a reduction of the carbon dioxide and water into formaldehyde by acting as a photo-sensitizer. 1928 Proc. Royal Soc. A. 121 296 It is not to be supposed that only fluorescent substances will act as photosensitizers; substances capable of absorbing radiation of the appropriate frequency may be effective, whether fluorescent or not. 1974 Photochem. & Photobiol. 19 441/2 The versatility of flavins as photosensitizers in numerous photoprocesses. 2002 JCNN (Nexis) 12 Sept. The same as that of next-generation solar cells which often use ruthenium complex dyes as a photosensitizer. 2. Medicine. A substance that causes photosensitization; (also) a drug used in photodynamic therapy. ΘΚΠ the world > life > biology > biological processes > movement > movement in response to stimuli > [noun] > response to light > substance or organism photosensitizer1925 1925 Practitioner Aug. 103 The visible rays, however, have this effect when the irradiated cells are incorporated with photosensitizers, such as eosin and hæmatoporphyrin. 1946 Nature 14 Dec. 877/2 They found that the cancerogenic substances had a stronger effect than the non-cancerogenic photosensitizers. 1975 Sci. Amer. July 72/3 A number of widely prescribed drugs (such as the tetracyclines) and constituents of foods (such as riboflavins) are potential photosensitizers. 1994 Brit. Approved Names 1990 (Brit. Pharmacopoeia Comm.) Suppl. viii. 6 Temoporfin..Photosensitiser in the photodynamic therapy of cancer. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < n.1911
随便看	metake metakinesis metakinetic metakinetism metal metal abundance metal age metal arc welding metal bath metal bed metal bender metal bias metal carrier metal cluster metal detector metal detectorist metal detectors metal drift metal edge metal fatigue metal gauge metal jacket metal leaf metal man metal matrix