Sentences with phrase «studied key chemical»

Not exact matches

The ability to make and study cubic ice in the laboratory could improve computer models of how clouds interact with sunlight and the atmosphere — two keys to understanding climate change, said Barbara Wyslouzil, project leader and professor of chemical and biomolecular engineering at The Ohio State University.

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.

To test the validity of the method, a second study examined 10 key hazards under the purview of the Department, including earthquakes, hurricanes, tornados, pandemic influenza, nuclear detonation, explosive bombing, anthrax attack, cyber-attack on critical infrastructure, accidents involving toxic industrial chemicals, and oil spills.

Neuroscientists studying mammals from voles to hyenas are discovering key correlations between brain chemicals and social strategies.

One found that a chemical compound caused valve fibroblasts to become active, similar to what is observed during valve disease, but the other study indicated that the same compound prevented the cells from calcifying, indicating that a key piece of the valve disease puzzle was missing.

«It is important to begin mechanistic studies of these declines,» the team concludes in a paper presenting the finding published in today's Science, «with habitat alteration, climate change and agricultural chemical usage being potential key drivers of observed shifts.»

In a new study, researchers picked up signals of the chemical compounds indigotin and indirubin, the key components of indigo dye, they report today in Science Advances.

The team studied a plastic material, polystyrene, that is made from a mixture of hydrogen and carbon, key components of these planets» overall chemical makeup.

«Anandamide, an endocannabinoid, has been shown to have neuroprotective effects against seizures in basic research studies and this may turn out to be a key mechanism of seizure control,» explained Dale Deutsch, PhD, Professor of Biochemistry and Cell Biology and a faculty member of the Institute of Chemical Biology and Drug Discovery at Stony Brook University.

In earlier studies, researchers in the Hotamisligil lab showed that ER stress in other tissues plays a key role in obesity and type 2 diabetes, and can be corrected with so - called «chemical chaperones» such as tauroursodeoxycholic acid (TUDCA), a bile acid.

Phytoplankton play key roles in several chemical and nutrient cycles, including taking up carbon dioxide from the atmosphere and either cycling it through food chains or sequestering it in the deep sea, says marine ecologist David Hutchins of the University of Southern California in Los Angeles, who wasn't involved in the current study.

The disorder that turned out to be key, the team says — a physical disorder called «geometric disorder» — is different from the chemical disorder that other researchers have studied.

Objectives: We propose to develop best - practice guidelines and minimal reporting standards specifically in the context of several regulatory toxicology case studies; e.g. (a) chemical grouping and read - across to supplement ECHA's Read - Across Assessment Framework, (b) discovery of mode of action / molecular key events (within the AOP framework), (c) derivation of Benchmark Doses from concentration - response relationships, and (d) cross-species extrapolation within environmental toxicology.

These extended, cool and hence red stars are key targets for stellar evolution studies as well as galactic studies for several reasons: a) many stars go through a red - giant phase; b) red giants are intrinsically bright; c) large stellar internal structure changes as well as changes in surface chemical abundances take place over relatively short time; d) red - giant stars exhibit global intrinsic oscillations.

The Heterodyne Instrument for the Far - Infrared (HIFI) on the Herschel Space Observatory observed three deeply embedded protostars in the low - mass star - for... ▽ More «Water In Star - forming regions with Herschel» (WISH) is a key programme dedicated to studying the role of water and related species during the star - formation process and constraining the physical and chemical properties of young stellar objects.

Abstract: «Water In Star - forming regions with Herschel» (WISH) is a key programme dedicated to studying the role of water and related species during the star - formation process and constraining the physical and chemical properties of young stellar objects.

For example, transgenic mice lacking dopamine, a key brain chemical for motor control, provide an integral animal model for studying the changes in brain dynamics during the induction and recovery from an induced Parkinsonian state.

At least for young girls, talking on the phone with their mothers reduces a key stress hormone and also releases oxytocin, a feel - good brain chemical that is believed to play a key role in forming bonds, the study found.

Many scientific studies have shown how brain chemicals play a key role in regulating behavior and anxiety.

About Blog ACS Nano reports on fundamental research in all branches of the theory and practice of nanoscience and nanotechnology, providing rapid disclosure of the key elements of a study, publishing preliminary, experimental, and theoretical results on the physical, chemical, and biological phenomena, along with processes and applications of structures within the nanoscale range.

In recognition of the need for improved understanding of crude oil, and especially tight crude oil properties, the Sandia Study was designed to characterize tight and conventional crudes based on key chemical and physical properties and to identify properties that may contribute to increased likelihood and / or severity of combustion events that could arise during handling and transport.

About Blog ACS Nano reports on fundamental research in all branches of the theory and practice of nanoscience and nanotechnology, providing rapid disclosure of the key elements of a study, publishing preliminary, experimental, and theoretical results on the physical, chemical, and biological phenomena, along with processes and applications of structures within the nanoscale range.

The present scope includes accurately monitoring column ozone with Dobson spectrophotometers globally, monitoring the ozone profile at key sites, monitoring all relevant chlorine - and bromine - containing compounds globally, improving and developing new instrumentation, conducting laboratory studies of newly proposed chemicals, and using statistical models to test the observations for signs of ozone layer recovery.

Earlier literature is reviewed in Royer et al. (2001); some key studies were Berner (1991)(chemical and other measures of high Cretaceous CO2) and McElwain and Chaloner (1995)(using characteristics of fossil leaves).

About Blog ACS Nano reports on fundamental research in all branches of the theory and practice of nanoscience and nanotechnology, providing rapid disclosure of the key elements of a study, publishing preliminary, experimental, and theoretical results on the physical, chemical, and biological phenomena, along with processes and applications of structures within the nanoscale range.