photochemical reaction


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Related to photochemical reaction: photochemical smog, photochemistry
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Noun1.photochemical reaction - a chemical reaction produced by the action of light
chemical reaction, reaction - (chemistry) a process in which one or more substances are changed into others; "there was a chemical reaction of the lime with the ground water"
light reaction - the first stage of photosynthesis during which energy from light is used for the production of ATP
References in periodicals archive ?
In summary, this study provides the first instance of the induction of a vasogenic edema model of rat retina by a photochemical reaction.
2 equivalents of N- bromosuccinimid (NBS) in a photochemical reaction apparatus equipped with a reflux condenser in CCl4 at 77 C (Scheme 1).
4B), the maximal efficiency of PSII photochemical reaction (Fv/Fm decline; Fig.
The University of North Carolina at Chapel Hill's outdoor environmental photochemical reaction chamber was used to generate exposure atmospheres.
The model in 3) above takes account of complex photochemical reactions based on NOx and VOC emissions with meteorological conditions also factored in to predict tropospheric ozone concentrations accurately to the hour or less.
When RC complex receives energy from antenna pigments in PSII, the original photochemical reaction happens and the electrons are transferred to other complexes.
Complexes (1a)-(5c) were prepared by a photochemical reaction as shown is Scheme I-V.
After three hours the light switches on for around three hours, causing a photochemical reaction which works to kill the cancer, a process known as photodynamic therapy (PDT).
The controls were treated similarly but not irradiated, in order to determine the losses not due to the photochemical reaction.
This is a challenge for holographic photopolymers, where the nature of the photochemical reaction - monomer diffusion and formation of new covalent bonds--can lead to shrinkage during exposure.
When exposure time is to short the photochemical reaction is not finished and the photoactive layer is resistant to alkaline solution.
The excited electron is passed on to the pheophytin, the first electron acceptor, thus carrying out the first photochemical reaction.

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