Sentences with word «photochemistry»

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

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

Dissociation of molecular bromine is one of the key steps in ozone depletion chemistry, so establishing the connection between bromoform and bromine is important in atmospheric photochemistry, he explained.

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.

«With its high photon energies, UV light has a myriad of applications, including photochemistry, fluorescence microscopy and semiconductor manufacturing.

«Influence of NOx Emissions from Ships on Tropospheric Photochemistry and Climate.»

Rozanov, E. V., and Coauthors, 2002: Climate / chemistry effects of the Pinatubo volcanic eruption simulated by the UIUC stratosphere / troposphere GCM with interactive photochemistry.

The technology, called CLIP — for Continuous Liquid Interface Production — manipulates light and oxygen to fuse objects in liquid media, creating the first 3D printing process that uses tunable photochemistry instead of the layer - by - layer approach that has defined the technology for decades.

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.

The defects are created by reversible photochemistry of the polymer.

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.

We were trying to get at the fundamental photochemistry or photophysics that describes how these cells work,» Bittner said [Eric Bittner, a John and Rebecca Moores Professor of Chemistry and Physics in UH's College of Natural Sciences and Mathematics,].

He decided to investigate how photochemistry and electron transfer reactions influence two biological sensory systems: light - sensitive circadian clocks and redox - sensitive bacterial chemotaxis.

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.

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

J.W.H. provided the SIM and SOLSTICE data, information on its interpretation and on solar variability, R.T. provided input on stratospheric photochemistry, A.R.W. edited the SIM data into a format suitable for the model and carried out preliminary model runs, J.D.H. performed the model experiments and diagnostics, carried out the MLS data analysis and wrote the paper.

Tsigaridis, K., and M. Kanakidou, 2002: Importance of volatile organic compounds photochemistry over a forested area in central Greece.

«New research important to atmospheric photochemistry.»

Rozanov, E.V., M.E. Schlesinger, and V.A. Zubov, 2001: The University of Illinois at Urbana - Champaign three - dimensional stratosphere - troposphere general circulation model with interactive ozone photochemistry: Fifteen - year control run climatology, J. Geophys.

NOx emission from snowpack at the WAIS - Divide site and its impact on local tropospheric photochemistry.

Research: reaction mechanisms and numerical simulation of atmospheric chemistry and transport; photochemistry of ozone and organic trace gases; polar stratospheric clouds and denitrification.

The experimental apparatus is known as PICACHU, or Photochemistry in Interstellar Cloud for Astro - Chronicle in Hokkaido University.

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.

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 molecular photovoltaics make frequent use of so - called transition metal complexes which consist of a central metal ion bonded to a group of surrounding ligands.

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

Photochemistry and thermochemistry in thick atmospheres on super Earths and mini Neptunes.

Her current application interests are rare earth and heavy element chemistry, catalysis, aerosol formation, cellulose degradation, and photochemistry.

Photochemistry in terrestrial exoplanet atmospheres.

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

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.

They especially want to study the photochemistry of the «polar dawn» in which sunlight releases pollutants from chemicals that have collected on Arctic and Antarctic snows during the winter.

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.