Sentences with phrase «on their chemical structure»

More broadly, a better grasp of how olfactory receptor sensitivity depends on chemical structure could reveal universal secrets of receptor function, Firestein adds.
Sensing protocols based on dynamical decoupling techniques allow to obtain information on chemical structure of complex molecules in the vicinity of diamond.
Carbohydrates are called simple or complex, depending on their chemical structure.
Fats can be classified into three general types of fatty acids, based on their chemical structure:
The sequence of chemical reactions that enable aqua regia to dissolve gold is remarkable, and depends on chemical structures, but the unique ability to dissolve gold is an emergent property, of a sort that essentialists have not much discussed.
And philosophers do study strange things, like this: -LSB-...] The sequence of chemical reactions that enable aqua regia to dissolve gold is remarkable, and depends on chemical structures, but the unique ability to dissolve gold is an emergent property, of a sort that essentialists have not much discussed.
This work, funded through the Joint Center for Artificial Photosynthesis, sheds light on the chemical structure and dynamics in photovoltaic materials, and could lead to improved designs that maximize solar energy conversion.

Not exact matches

Previous mandates include an advisory role on the structuring, tendering, development and financing of Aramco's $ 2.1 billion industrial gas complex in Jazan province and advisory services for financing the $ 20 billion Sadara chemical complex developed in a joint venture with Dow Cchemical complex developed in a joint venture with Dow ChemicalChemical.
Recombinant DNA research has been done primarily on bacteria, one - celled organisms smaller than animal or plant cells and simpler in structure, yet capable of very complex chemical activity.
The human body has about 1,000 kinds of such receptors, structures on the surface of cells, which let the body respond to a wide variety of chemical signals, like adrenaline.
For Piaget, as for his predecessors, the living organism was the prototype of a holistic structure and the connecting link between, on the one hand, physical - chemical systems and, on the other hand, the thinking subject (S 40).
Human Problem No. 1 is no longer that of deciding whether we can escape the socio - physical in - folding of the human race upon itself, since this is irrevocably imposed on us by the physico - chemical structure of the Earth.
Furthermore, our vital functions depend on our being such structures; we can not walk if our legs are broken or see if our retinas get detached, or continue to live at all if the balance of chemicals in our bodies is badly disturbed.
Here the presence of substances whose chemical structures are unknown is inferred on the basis of the reactions of living tissues to the substances.11
The New York WaterMaker is a patent - pending water source replication system that not only functions as a commercial water filter, but also replicates the exact hardness, molecular structure, and chemical composition of a specific location's water, with a key focus on replicating New York City water.
The science behind food's effect on mood comes down to chemical and physiological changes in our brain structure which can lead to altered behaviour.
This testing determines how your product interacts with various flexible packaging structures, and will help with identifying adverse effects that a product has on flexible packaging materials, such as chemical degradation or delamination.
And third, the chemical structure of vitamin B12 found on some mushrooms, while based on the corrin - type ring structure that is characteristic of vitamin B12, can have important differences from the form of B12 that provides us with full vitamin benefits.
On a Molecular Basis, Investigate Association of Molecular Structure with Bioactive Compounds, Anti-Nutritional Factors and Chemical and Nutrient Profiles of Canola Seeds and Co-Products from Canola Processing: Comparison Crusher Plants within Canada and within China as well as between Canada and China
Computer simulations and hands - on displays allow visitors to Marvelous Molecules — The Secret of Life at the New York Hall of Science to peek inside the molecular structure of living things to see how chemicals affect the brain and how DNA passes on genetic traits.
He works by tweaking the chemical structures of the drugs, sometimes changing just a few molecules to see what impact this might have on the interaction between the drug and the brain receptors their parent compounds normally act upon.
Then the researchers doused dengue - spreading mosquitoes with a chemical that shuts down the mosquitoes» ability to detect CO2 by blocking a receptor called neuron — cpA, a type of sensory cell found on a small pair of antennalike structures near the mouth called the maxillary palps.
Microflowers created from organic chemicals can grow on their own, creating intricate structures useful for a range of applications
Their analysis focused on the substantia nigra, a brain structure where Parkinson's disease kills neurons that use the chemical dopamine to communicate with other cells.
In the future, it could help crunch numbers on problems as varied as commodities pricing, social networks and chemical structures.
The methods enable us to do this under relevant and even real operation conditions and, hence, to directly adjust the catalytic activity of materials,» says Andreas Gänzler, scientist of KIT's Institute for Chemical Technology and Polymer Chemistry (ITCP) and main author of the study «Tuning the Structure of Platinum Particles on Ceria In Situ for Enhancing the Catalytic Performance of Exhaust Gas Catalysts» published in the latest issue of the journal Angewandte Chemie (Applied Chemistry).
«By twisting and controlling the molecular bonds with light,» Awschalom says, «it is possible to operate on the electron spins as they move through the chemical structure
On the outside of the heterochromatin bundles are chemical markers, known as epigenetic tags, which control the structure of the heterochromatin.
In materials science, researchers rely on a similar phenomenon to study the structures of materials that will eventually be used in chemical catalysis, batteries, solar applications and more.
It's fascinating to see that simple chemical changes within a molecule, can have a profound influence on the electronic structure of molecules, leading to different electrical properties.»
«Together, they form a kind of highly - specific fish hook that can bind onto a protein if its form perfectly matches the protein's structure,» says Jörg Scheuermann, who is currently finishing his habilitation thesis on DNA - encoded chemical libraries in Dario Neri's group.
He is a professor of anthropology at the University of California at Berkeley and an expert on the evolution of the brain; he is also interested in the chemical origins of life and the mathematics behind the emergence of complicated structures like language.
«We found that the surfaces and crystal structures inside these vents act as catalysts, encouraging chemical changes in the material that settles on them,» says Nathan Hollingsworth, a co-author of the study.
Chemical analysis showed that its structure resembled that of a protein found on T cells.
Replacement alternative methods include the use of data concerning the physicochemical properties of chemicals; predictions based on structure - activity relationships, including the use of qualitative and quantitative mathematical models; the biokinetic modelling of physiological, pharmacological, and toxicological processes; experiments on lower organisms not classed as?
«This latest finding provides a concise and direct synthesis pathway that, due to the structure of the products delivered, will likely be quite valuable for the discovery and development of therapeutic agents,» says Micalizio, whose work focuses on the design of organic chemical reaction methods and strategies to improve medicine and human health.
Different combinations of overexpressed and underexpressed proteins known to be responsible for corneal development in Drosophila may alter the nipple pattern to another pattern type and thus shed the light on chemical nature of compounds, forming the Turing - type structures upon insect eyes.
Only lasers firing in femtosecond bursts — like a strobe flashing every thousandth of a picosecond — can capture the fleeting molecular structures that reacting chemicals form on their way to a final product.
In recent years, the have presented important new findings about the structure of metal oxides, about the mobility of atoms on their surface and their chemical properties.
We were very fortunate to test UJ3, with is unusually «flat» chemical structure, early on in our exploration of this chemical family for cancer treatment,» says Prof Meijboom.
Knowing how the internal and surface structure of a battery material changes over a wide range of chemical compositions will aid future studies on cathode transformations and could also lead to the development of new battery materials.
In a paper published on 30 January in the Journal of the American Chemical Society, he and his colleagues report slightly tweaking the structure of CPP - 115 to create OV329.
Reactants can flow into the hollow structure through holes in the faces, interacting with more platinum atoms in the chemical reaction than would be the case on a flat sheet of platinum or traditional, nonhollowed nanoparticles.
«The ability of the top teams to predict population - level toxicity for unknown compounds — based on similarities in chemical structure to known compounds — far surpassed our anticipations,» says Lara Mangravite, Director of Systems Biology at Sage Bionetworks.
«Most previous studies have focused on using one technique at a time, even though we have evidence that there are alterations in the brain in autism in terms of structure, white - matter connectivity, and brain chemical concentrations.
On Earth, the marbles form in all sorts of sizes and shapes, depending on the structure of the rock and the exact chemical make up of the rock and the water flowing through iOn Earth, the marbles form in all sorts of sizes and shapes, depending on the structure of the rock and the exact chemical make up of the rock and the water flowing through ion the structure of the rock and the exact chemical make up of the rock and the water flowing through it.
Probing the finer details of those ancient, extragalactic stars» chemical structures would take many years, even with the most powerful telescopes on Earth or in space.
So while a mature forest is in chemical equilibrium with the atmosphere, coral reefs form permanent limestone structures that keep on taking carbon out of the air forever.
Traditionally, this is done via quantitative structure - activity relationship (QSAR) modeling and molecular docking, which rely on 2 - and 3 - D information about those chemicals.
These latest findings, published in Molecular Pharmaceutics, a journal of the American Chemical Society, report on the structure - activity relationship (SAR) of the hydroxyl group within the agent's lactone ring.
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