photosensitizern.

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.

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.