photochemistry

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photochemistry

 [fo″to-kem´is-tre]
the branch of chemistry that deals with the chemical properties or effects of light rays or other radiation. adj., adj photochem´ical.

pho·to·chem·is·try

(fō'tō-kem'is-trē),
The branch of chemistry concerned with the chemical changes caused by or involving light.
References in periodicals archive ?
Hence, native fluorescence cannot be measured, and photochemically induced fluorescence is the most usual detection technique for their spectroscopic quantification.
Aucelio, "Sequential determination of hydrocortisone and epinephrine in pharmaceutical preparations via photochemically enhanced fluorescence," Microchimica Acta, vol.
Her work generally avoids the explicit imagery of exoticism, which here appears only in the palm leaves featured in high-contrast photograms from the series "Constructions," 2012-, composed of photochemically fixed traces of light.
[sup][33] On modified polyurethane surface, many studies have been done, [sup][33],[34] such as photochemically grafted RGD.
LA-based American Cinematheque is hosting a three-day festival of the work of Stan Laurel and Oliver Hardy, photochemically and digitally restored.
* Mark Kemp, president/chief operating officer of Tecomet, a manufacturer of orthopedic implants, precision surgical instruments, trauma plates, and photochemically etched products for medical device customers.
Ti[O.sub.2] is inexpensive, widely abundant, photochemically stable, nontoxic, and water insoluble under most environmental conditions [14, 15], Major advantage of Ti[O.sub.2] nanoparticles (NPs) immobilization onto IPNs is that liquid-solid separation is less expensive and much easier [16, 17].
Techniques mostly used to treat dye containing wastewater are coagulation/flocculation, biodegradation, membrane separation, oxidation, selective bioadsorbent, using biological mass, photochemically, electrochemically, ion exchange and adsorption method [3-5].
We now know that many of the materials that were industry favorites are toxic, have odors that no longer are acceptable, are photochemically reactive, and/or may cause cancer.
Concerning to the second pattern, the main processes that could contribute to an increase in ozone concentration over the Mediterranean Sea include local generation due to the high amount of nitrogen oxides emitted from sea transport (Baldasano et al., 2011), low wet and dry ozone deposition, persistent subsidence over the region and photochemically aged air masses with high concentrations of [O.sub.3] and poor in photochemical precursors.
You do that very carefully, and it forms polymeric peroxides that photochemically degrade and kick out small molecules like difluorophosgene.