Sentences with phrase «study chemical reactions»

«We used intense beams of X-rays, electrons and infrared light to study the chemical reactions taking place in the diamond cell.»
Because iminopropadienones are so stable, researchers can study their chemical reactions and properties.
Eventually the group hopes to study chemical reactions in living cells.
Both devices measure the world at the atto level — one part in a million trillion — allowing new ways to sniff out hazards and study chemical reactions.
The team studied the chemical reactions between carbon dioxide and its surroundings once the gas is injected into the Earth — finding that as carbon dioxide works its way underground, only a small fraction of the gas turns to rock.
Professor Besley said: «Delving into the tiniest chemical building blocks of matter, our study harnesses the «observer effect» and establishes an entirely new methodology for studying chemical reactions.
We demonstrate that the electron beam, simultaneously acting as an imaging probe and a source of energy to drive chemical transformations, offers a new tool for studying the chemical reactions of individual molecules with atomic resolution, which is vital for the discovery of new reaction mechanisms and more efficient future synthesis.»
With the help of some designing, a few grams of plastic filament and a 3D printer, researchers in the University of Helsinki made a unique device for studying chemical reactions, and improved their experimental processes.
While studying chemical reactions of a gold - containing molecule, the research team happened upon a chemical mechanism that can be used to form trifluoromethyl (CF3) compounds and attach them to other chemical compounds.
Titan's methane cycle is probably not biologically driven, but studying chemical reactions there could provide clues to the processes that led to life on Earth billions of years ago.
As the studied chemical reactions occur very rapidly — in less than a second — and the ALS technique can take about 20 minutes to scan a single spot on a particle, the researchers used a layer of chemically active molecules, which were attached to the surface of the particle, as markers for the catalytic reactivity.

Not exact matches

Organic chemistry, or «the study of carbon based compounds», explains how life is simply a seires of chemical reactions.
Kinetics means studying the rate of chemical reactions carried out by the some catalyst that take place in food during processing, preservation etc..
Cons: Although there have been no studies that show that the chemicals (like dioxin), dyes and gels used in disposables cause harm, some parents might be leery of all that stuff next to their baby's bottom — and some babies can have an allergic reaction to these types of diapers, which may mean more diaper rash.
The study notes that narrowing down that percent range requires particle accelerator experiments on water ice to more accurately gauge the number of chemical reactions that result per unit of energy deposited by cosmic rays and solar energetic particles.
Learning about chemical reactions is essential for advanced chemistry studies and, increasingly, to understand the chemistry of life itself.
Now at UCLA, Liu is launching his own lab to study the way the inorganic components of soil influence bacteria's ability to run these and other important chemical reactions.
The chemical reactions these molecules undergo have been studied intensively.
The study's findings showed that volatile elements undergo the same chemical reactions during extreme temperature and pressure events whether taking place on Earth or in outer space.
Studies following the scandal suggested that statins might impede protection from oxidative stress or alter other chemical reactions in muscle cells.
Hone adds, «We are just starting to dream about other uses for these structures — for example, as micro-hotplates that can be heated to thousands of degrees in a fraction of a second to study high - temperature chemical reactions or catalysis.»
Eric Betzig, Stefan W. Hell and William E. Moerner share the 2014 chemistry Nobel for the development of super-resolved fluorescence microscopy, which has enabled the study of single molecules in ongoing chemical reactions in living cells.
One of the most important early applications will be to study the chemistry of small molecules or simple reactions, by using quantum computers to simulate the quantum mechanics of chemical systems.
The study conclusions are the result of creating a detailed computer model of chemical reactions that took place in the ocean's sediments.
Hinshelwood also studied how various nutrients, trace elements, and toxic substances influence the chemical reactions that occur during bacterial growth, publishing more than 100 papers on this subject as well.
The researchers fabricated these composites using a scalable chemical synthesis method and studied their performance in oxygen reactions.
Theorists at Caltech used quantum mechanics to predict what was happening at atomic scales, while experimentalists at the Department of Energy's (DOE's) Lawrence Berkeley National Lab (Berkeley Lab) used X-ray studies to analyze the steps of the chemical reaction.
The results of this study will serve as the foundation for future research into this crucial chemical reaction.
«The findings are noteworthy not only because this chemical reaction simplifies the laboratory preparation of such species, but also because our study reveals a unique mode of reactivity associated with metal - carbon bonds that are embedded in complex carbon - based structures.
University of Utah chemists Matt Sigman and Anat Milo conducted a study in the journal Nature showing how vibrations in chemical bonds can be used to improve predictions of how chemicals will react — a method that can be used to design better catalysts used to hasten reactions used to make new materials, medicines and industrial products.
In the study, the authors describe a new chemical reaction that converts simple starting materials into architecturally complex molecules (a collection of atoms bonded to one another) called «decalins» in a single step.
That reaction concerns Jonathan Tucker, director of the Chemical and Biological Weapons Nonproliferation Program at the Monterey Institute of International Studies in Washington, D.C. «The smallpox situation sets a troubling precedent for other infectious diseases, such as polio and measles,» he says.
But in those studies, demethylation took place amid other chemical reactions.
«In step toward controlling chemistry, physicists create a new molecule, atom by atom: Study paves the way for creating on, off buttons for chemical reactions
Their research, which also shows how chemical reactions can be studied on a microscopic scale using tools of physics, is reported in the journal Science.
This research — which shows chemical reactions happening in real time at one hundred - millionth of a centimeter — has the potential to revolutionise the study and development of new materials.
As its name suggests, metabonomics is the study of metabolism — the myriad chemical reactions that go on inside your body — and its role in disease (see «What's in an ome?»).
In a recent study appearing in Nature Publishing Group's Scientific Reports, the researchers focused on the properties of schreibersite and conducted experiments with the mineral to better understand how — in a chemical reaction with the corrosive effects of water called «phosphorylation» — schreibersite could have provided the phosphate important to the emergence of early biological life.
The material had to be such that the solvents used in chemical reaction studies would not dissolve anything from it.
Following his receipt of the Nobel Prize in chemistry in 1986 for observing the molecular motions in chemical reactions occurring in gases, Polanyi began studying the reactions of individual molecules lying on well - defined catalytic surfaces.
During the chemical reaction they studied — the hydrogenation of propylene to propane — parahydrogen is part of the propane molecule and is converted into observable nuclear magnetism to enhance the MRI signal.
Research studies on effective learning show that students lack ways to conceptualize chemical reactions, and NGSS calls for students to develop an understanding of energy principles that they can apply consistently across life and physical science.
«Being able to observe how molecules exchange electrons during a chemical reaction opens the door to completely new types of studies of a number of fundamental biological and chemical processes.»
GFP has been utilized in numerous studies as a marker protein that can track chemical reactions within living cells, along with various other uses.
Martin Lercher of the University of Bath in England and his colleagues studied a benign strain of Escherichia coli to see how the common intestine dweller picked up new parts for its metabolic network — the internal system of chemical reactions that produce the necessities of life, such as amino acids or cellular structures.
These studies show that the DNA found inside mitochondria, the cellular structures whose job is to provide cells with energy, is particularly vulnerable, most probably because they handle oxidative chemical reactions.
The privately funded Space Studies Institute, which he ran in Princeton, built working models of «mass drivers», electromagnetic launchers for putting payloads into lunar orbit, and commissioned investigations into the most efficient chemical reactions for extracting oxygen and other useful elements from the Moon.
In their study, the team investigated the possibility of converting cellulose into hydrogen using sunlight and a simple catalyst — a substance which speeds up a chemical reaction without getting used up.
Previous studies mainly have consisted of computer simulations of atmospheric chemical reactions based on tailpipe emissions studies.
While the methane in the Von Damm vent system they studied was produced through chemical reactions (abiotically), it was produced on geologic time scales deep beneath the seafloor and independent of the venting process.
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