Sentences with phrase «simple chemical system»

Team Creates Simple Chemical System that Mimics DNA - Recent research from the Ghadiri laboratory offers possible clues about the primordial world and could eventually lead to exotic new materials.

Not exact matches

These computer simulations of an abstract model (closely related to the features which characterize self - organizing chemical and biological systems) clearly show that the origin of intrinsic capacity for self - definition can be understood in detail, at least in relatively simple cases.

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.

Evidence that simple functions can be composed to produce the higher capabilities of nervous systems comes from programs that read, recognize speech, guide robot arms to assemble tight components by feel, classify chemicals by articial smell and taste, reason about abstract matters, and so on.

Given the potential for living systems to produce highly complex chemical compounds, researchers working with Michelle C.Y. Chang at the University of California, Berkeley (USA), aimed to manipulate the biosynthetic machinery in cells to use simple fluorinated building blocks to make new organofluorine target molecules.

Astronomers recently saw the chemical signature of phosphorus - oxygen molecules in a star - forming region, suggesting that simple precursors of DNA float in the soup of new solar systems.

Dry textiles loaded with catalysts are easy to transport, which means that it is simpler to meet the requirements for some chemical processes where it is practically impossible to set up sophisticated chemical systems.

University of Illinois chemistry professor Martin Burke led a team that discovered a simple system to synthesize a large class of medically important molecules using only 12 different chemical «building blocks.»

We just don't have that kind of cyclic feedback system in a simple chemical reaction.

The researchers applied a model known as a totally asymmetric simple exclusion process, commonly used to study interacting particles in physical, chemical and biological systems.

For example, in response to questions about whether certain environmental chemicals may interfere with the endocrine system and cause negative effects, government and scientific bodies have been working to distinguish between whether a substance is merely endocrine active, or whether, under certain exposure scenarios, a substance goes beyond a simple interaction that is reversible and causes no harm to one that results in adverse health effects — endocrine disruption.

We thought it might be interesting if you could have a relatively simple system that could deliver many different compounds,» says Klavs Jensen, the Warren K. Lewis Professor of Chemical Engineering, professor of materials science and engineering, and a senior author of a paper describing the new device in this week's issue of the Proceedings of the National Academy of Sciences.

That's why we've create a simple Glossary of Terms with both basic - and intermediate - level definitions designed to help educate anyone who is interested in learning more about chemicals and the endocrine system.

Hence our system, with improvements, may allow plants to serve as a simple and inexpensive means to monitor human surroundings for substances such as pollutants, explosives, or chemical agents.

While the medical system wants to blame these conditions on genetics or food allergies, the truth is probably far simpler: our food has become contaminated and toxic, thanks to the chemical industry.

Kindergarten: Five senses, Promoting Good Health, Weather / Seasons, Animals, Sunshine and Shadows, Plants, Water play First: Seasons / Earth, Sky and Moon, Properties of Matter, Force and Motion, Embryology Second: Chemical and Physical Interactions, Measurement, Plant Adaptations & Life Cycles, Solar System Third: Water, Matter, Energy and Life Cycles (using the butterfly) Fourth: Earth's Landforms, Properties of Matter, Electricity & Magnetism, Simple Machines, Plants & Animals Fifth: Pond Life, Sound and Light, Looking at Liquids, Minerals

«With our innovative toilet system, we can use simpler and cheaper methods of harvesting the useful chemicals and even produce fuel and energy from waste.