photochemical
/fəʊtə(ʊ)ˈkɛmɪk(ə)l
/adjective
1Relating to or caused by the chemical action of light: a photochemical reaction...
- The small rings are made to move around the big ring by bathing them in light of different wavelengths; the light energy fuels the photochemical reaction to break the hydrogen bonds.
- One influential school of thought focuses on the effects of oxidation reactions brought about by active oxygen species generated by photochemical reactions involving blue and UV light.
- This is a problem for museums because photochemical oxidation is not required; the reactions take place in the dark.
1.1Relating to photochemistry.The program emphasized photochemical approaches, although thermochemical processes were also evaluated....
- Ever since mechanical and photochemical advances in the 19th century gave rise to the invention of motion picture recording and display, the evolution of the ‘art’ of film has been a consequence of the rate of technological change.
Derivatives
photochemically
- In the photogravure process, the image is photochemically transferred to an etching plate that has been coated with a light-sensitive emulsion.
- In addition and parallel to drug photobleaching during PDT, native photosensitizers can be photochemically converted to new species known as ‘photoproducts’.
- During the oxidative stress of constant ultraviolet radiation, at least one photochemically active tryptophan metabolite, N-formyl kynurenine (NF-Kyn), is formed in the lens.