Sentences with phrase «photochemistry of»

It is the photochemistry of the oxygen - ozone system.

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.

• «ASP Special Session — Organic and Inorganic Photochemistry of Functional Materials: A Panamerican Perspective» (Alec Greer & Lisa Kelly, USA; co-chairs)

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.

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.

Not exact matches

Advanced materials aren't usually associated with Wales, but it's high time they were, says James Durrant, professor of photochemistry at Imperial College London.

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.

On Titan the photochemistry starts at the top of the atmosphere, about 1000 kilometres up, where energetic ultraviolet photons from the sun and cosmic rays trigger reactions among methane and nitrogen molecules.

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.

Adsorbates, their adjacent neighbors, defects, and impurities of the surface topography all influence the surface's photochemistry.

When the researchers ran their model with the lower oxygen estimates, the ozone shield never formed, leaving the modest puffs of methane that escaped the oceans at the mercy of destructive photochemistry.

They focus on the ability to provide molecular - level insights into surface photochemistry on the model photocatalyst surface of rutile TiO2 (110) to illustrate the unique knowledge that scanning probe techniques have already provided the field of photocatalysis.

In recognition for his many outstanding contributions to the development of major branches of chemistry that include Photochemistry, Supramolecular Chemistry, and Molecular Nanotechnology.

He is also the recipient of several Prizes, Honorary Degrees, and Awards: to mention a few we note the 1988 Cannizzaro Gold Medal, the 1994 European Prize for Research and Innovation, the 2000 Porter Medal for Photochemistry, the 2002 Prix Franco - Italien de la Société Française de Chimie, the 2009 Galileo Prize for Scientific Literature, the 2009 Blaise Pascal Medal from the European Academy of Sciences, and the Grand Prix 2016 from the Fondation de la Maison de la Chimie (Paris).

The main research questions in this area involve problems of catalysis, electrochemistry, photochemistry, material synthesis and chemical conversions.

Mathies is author of over 400 publications and 30 patents on photochemistry, photobiology, bioanalytical chemistry and genome analysis technology.

The rapidly changing state - of - the - art demands that young researchers are trained to meet these new experimental, technical and analysis challenges at the forefront of structural biology and photochemistry.

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.

Journal of Photochemistry and Photobiology.B, Biology, 155, 78 - 85.

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.

Variation in the ultraviolet part of solar radiation modulates photochemistry in the stratosphere, and some products of the reactions can modulate cloud microphysics.

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.

Hence, when above the pressure of 0.1 atm it is found that these other atmospheres begin to warm after its cooling at lower altitudes, because of the atmospheric lapse rate, I must conclude there is some photochemistry involved.

Ozone in the stratosphere is constantly being created and destroyed by the action of light and photochemistry.

There is a not insignificant amount of energy stored by the process of photochemistry.

This problem reaches across continental boundaries since emissions of NOx influence photochemistry on a hemispheric scale.

Coupling of atmospheric regions: To study some of the mechanisms that provide coupling between the upper and lower atmosphere, e.g., downward transport of NO with its effects on ozone photochemistry and the vertical exchange of minor species such as odd oxygen, CO, and H2O.