Sentences with phrase «role of organic compounds»

Over forested areas, the relative role of organic compounds is expected to be much larger (though a strong correlation of nucleation events with sulfuric acid remains).

The dominant role of sulfuric acid has remained a steady conclusion over the years, whereas the potential roles of organic compounds and ions are still hotly debated.

Not exact matches

The role of skin absorption as a route of exposure for volatile organic compounds (VOCs) in drinking water.

These potent organic compounds may play a role in preventing certain types of cancers and provide protection against heart disease, so keeping them in tact is extra important.

The well - drilling unit played a key role in the county's groundwater investigation that forced the U.S. Navy to step up efforts to clean up a groundwater plume contaminated with high concentrations of «volatile organic compounds» beneath the former Grumman weapons facility in Calverton.

The organic (carbon - containing) compounds they studied in that patch of Colorado forest play a key role in atmospheric chemical processes that can affect air quality, the health of the ecosystem, and the climate itself.

Nucleophilic substitution reactions play an important role in the formation of organic compounds.

Cannabinoids, organic compounds occurring i.a. in cannabis, play a major role in many stages of type 2 diabetes development.

Scientists from the Nencki Institute of Experimental Biology of the Polish Academy of Sciences in Warsaw have recently discovered that the alpha and beta cells communicate with each other, and the central role in this communication is played by cannabinoids — organic compounds that occur in nature also in inflorescences of cannabis.

In addition to methane, these «organic compounds» also include a large number of other gases that play an important role in the atmosphere.

Finding out how methane and other organic species are formed in deep - sea hydrothermal systems is compelling because these compounds support modern day life, providing energy for microbial communities in the deep biosphere, and because of the potential role of abiotically - formed organic compounds in the origin of life.

This includes the role of oxidized volatile organic compounds, such as limonene and alpha - pinene, the typical scents of the citrus fruits and coniferous forests, in aerosol formation.

In research recently published in Environmental Science & Technology, Waring describes the role of limonene, the organic compound that gives cleaners and air fresheners an orange scent and acts as a solvent, in the formation of secondary organic aerosols.

Nitrogen - containing compounds of this sort are especially interesting because they may have played a role in forming organic compounds involved in the origin of life.

Considering its significant role in this scandal and wide variety of medicinal uses, triamcinolone is a relatively simple organic compound.

The role of low - volatility organic compounds in initial particle growth in the atmosphere.

Certain particle compounds may directly generate ROS in vivo because of their surface chemistry (eg, metals, organic compounds, and semiquinones) or after bioactivation by cytochrome P450 systems (eg, polycyclic aromatic hydrocarbon conversion to quinones).6, 290 a, 290 b A particle surface or anions present on otherwise more inert particles may disrupt iron homeostasis in the lung and thereby also generate ROS via Fenton reactions.291 Other PM constituents may do so indirectly by the upregulation of endogenous cellular sources (eg, nicotinamide adenine dinucleotide phosphate [NADPH]-RRB- oxidase) 292,293 or by perturbing organelle function (eg, mitochondria) by taken - up PM components.261 Particle stimulation of irritant and afferent ANS fibers may also play a role in local and systemic oxidative stress formation.294 Given the rich antioxidant defenses in the lung fluid, secondarily generated oxidization products of endogenous molecules (eg, oxidized phospholipids, proteins) or a reduction in endogenous antioxidants per se may be responsible at least in part for the state of oxidative stress in the lungs (along with instigating the subsequent cellular responses) rather than ROS derived directly from PM and its constituents.

The role of skin absorption as a route of exposure for volatile organic compounds (VOCs) in drinking water.

The role of semi-volatile organic compounds in the mesoscale evolution of biomass burning aerosol: a modeling case study of the 2010 mega-fire event in Russia