photoreactivatev.

Brit.

/ˌfəʊtəʊrɪˈaktᵻveɪt/, U.S.

/ˈˌfoʊdoʊˌriˈæktəˌveɪt/

Origin: Formed within English, by compounding. Etymons: photo- comb. form, reactivate v.

Etymology: < photo- comb. form + reactivate v., after photoreactivation n.

Biology.

transitive. To reactivate under the influence of light; esp. to repair (damaged genetic material) by photoreactivation.

ΘΚΠ

the world > life > biology > biological processes > light-related processes > [verb (transitive)] > other processes

photosynthesize1908

photoreactivate1953

photoprotect1960

photoassimilate1961

photoconvert1962

1953 [see photoreactivated adj. at Derivatives].

1954 Biochimica et Biophysica Acta 15 471 They [sc. the systems studied] are then photoreactivated and the reactivated complexes are again exposed to UV in order to determine their UV sensitivity.

1975 Nature 13 Mar. 160/1 Even though cells of the higher plants can photoreactivate ultraviolet damage..,the absence of dark-repair capability could be a significant disadvantage.

1993 Exper. Dermatol. 2 161 UVA does not photoreactivate pyrimidine dimers in cultured human fibroblasts.

Derivatives

photoreˈactivated adj.

ΘΚΠ

the world > life > biology > biological processes > light-related processes > [adjective] > other processes

photobiological1907

photoreversible1941

photoreactivable1952

photoreactivated1953

photoreactivating1955

photoprotective1961

photoconvertible1962

photoabsorbing1966

photorepairable1966

1953 Jrnl. Bacteriol. 65 252 (heading) Growth, respiration and nucleic acid synthesis in ultraviolet-irradiated and in photoreactivated Escherichia coli.

1993 Proc. National Acad. Sci. U.S.A. 90 7262/1 This mutation frequency..was still at least 13-fold higher than that derived from transfecting photoreactivated DNA into the normal or CS cell lines.

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

单词	photoreactivate
释义	photoreactivatev. Brit. /ˌfəʊtəʊrɪˈaktᵻveɪt/, U.S. /ˈˌfoʊdoʊˌriˈæktəˌveɪt/ Origin: Formed within English, by compounding. Etymons: photo- comb. form, reactivate v. Etymology: < photo- comb. form + reactivate v., after photoreactivation n. Biology. transitive. To reactivate under the influence of light; esp. to repair (damaged genetic material) by photoreactivation. ΘΚΠ the world > life > biology > biological processes > light-related processes > [verb (transitive)] > other processes photosynthesize1908 photoreactivate1953 photoprotect1960 photoassimilate1961 photoconvert1962 1953 [see photoreactivated adj. at Derivatives]. 1954 Biochimica et Biophysica Acta 15 471 They [sc. the systems studied] are then photoreactivated and the reactivated complexes are again exposed to UV in order to determine their UV sensitivity. 1975 Nature 13 Mar. 160/1 Even though cells of the higher plants can photoreactivate ultraviolet damage..,the absence of dark-repair capability could be a significant disadvantage. 1993 Exper. Dermatol. 2 161 UVA does not photoreactivate pyrimidine dimers in cultured human fibroblasts. Derivatives photoreˈactivated adj. ΘΚΠ the world > life > biology > biological processes > light-related processes > [adjective] > other processes photobiological1907 photoreversible1941 photoreactivable1952 photoreactivated1953 photoreactivating1955 photoprotective1961 photoconvertible1962 photoabsorbing1966 photorepairable1966 1953 Jrnl. Bacteriol. 65 252 (heading) Growth, respiration and nucleic acid synthesis in ultraviolet-irradiated and in photoreactivated Escherichia coli. 1993 Proc. National Acad. Sci. U.S.A. 90 7262/1 This mutation frequency..was still at least 13-fold higher than that derived from transfecting photoreactivated DNA into the normal or CS cell lines. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < v.1953
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