Variation in the ultraviolet part of solar radiation modulates
photochemistry in the stratosphere, and some products of the reactions can modulate cloud microphysics.
Photochemistry in terrestrial exoplanet atmospheres.
Not exact matches
A recent IUSL paper published
in the Journal of
Photochemistry and Photobiology reports how research
in this area continues to advance.
As a
photochemistry undergraduate at Syracuse University
in New York state, Siegel helped develop fluorescent dyes, which proved to be one of the essential components that made automated DNA sequencing possible, he says.
El - Sayed is known throughout physical chemistry for «El - Sayed's Rule,» which handles complexities of electron spin orbits, and which has found a lasting place
in photochemistry textbooks.
But a string of serendipitous events caused me to participate
in Alert 2000, an international field campaign organized to investigate the
photochemistry of snow and ice during the arctic spring
in Alert, Nunavut, Canada, which is ~ 300 km south of the North Pole.
According to Dr. Alexander N. Tarnovsky, the finding, which is important to atmospheric
photochemistry, also establishes the direct link between chemical reactivity
in the gas phase and
in solution.
Photochemistry and thermochemistry
in thick atmospheres on super Earths and mini Neptunes.
In recognition for his many outstanding contributions to the development of major branches of chemistry that include
Photochemistry, Supramolecular Chemistry, and Molecular Nanotechnology.
The main research questions
in this area involve problems of catalysis, electrochemistry,
photochemistry, material synthesis and chemical conversions.
His extensive work on the
photochemistry of the visual pigment rhodopsin has established the structure of the primary photoproduct using time - resolved vibrational spectroscopy, demonstrated that the primary cis - to - trans photoisomerization
in vision is complete
in only 200 fs, and revealed the excited state photoisomerization dynamics for the first time.
Technical details of these research topics focus on light - induced electron transfer reactions, both at surfaces and
in transition - metal complexes, surface chemistry and
photochemistry of semiconductor / liquid interfaces, novel uses of conducting organic polymers and polymer / conductor composites, and development of sensor arrays that use pattern recognition algorithms to identify odorants, mimicking the mammalian olfaction process.
He has been for many years involved
in the area of
photochemistry and photophysics.
«At that stage, we had to decide whether we would continue
in the field of inorganic
photochemistry, or be more adventurous and jump into a field we didn't know so well,» Sauvage said.
He is the Director of the Center for Light Activated Nanostructures (CLAN)
in Bologna, a University - CNR joint laboratory for research
in the areas of
photochemistry, supramolecular chemistry, materials science and nanoscience.
His research has focused on fundamental aspects of
photochemistry and photophysics and their use
in the study of physicochemical properties of complex systems.
Enrolled
in 1882 as a student of mechanical engineering
in the Technische Hochschule
in Berlin, he was first exposed to photography when he took a
photochemistry course
in 1883.
Because emission flux measurements were not possible at the time for OSCs, we chose to estimate fluxes of OSCs from agricultural activities
in the SoCAB by simultaneously measuring OSC and NH3 ambient concentrations adjacent to a cattle feedlot
in Chino, California (SI Appendix, sections 1 and 2) before dawn to avoid
photochemistry.
Ozone
in the stratosphere is constantly being created and destroyed by the action of light and
photochemistry.