Sentences with phrase «types of chemical reactions»

From item # 4 on the list above, you know that there are two basic types of chemical reactions, ones that release energy and ones that absorb energy.
Researchers at Oregon State University have discovered novel compounds produced by certain types of chemical reactions — such as those found in vehicle exhaust or grilling meat — that are hundreds of times more mutagenic than their parent compounds which are known carcinogens.
You just happen to be addicted to that one type of chemical reaction.
Each enzyme has only one job, and it's specific to the type of chemical reaction that it produces.
In schizophrenia, excessive oxidation — which involves the same type of chemical reaction that causes metal to corrode into rust — is widely thought to cause inflammation and cellular damage.
It also has a similar structure to some other organic weak bases that have been used to catalyze the type of chemical reaction needed to form these gels — the formation of ester bonds to create a polyester.
Near the end of his life, Turing wrote his first and last paper on biology and chemistry, detailing how a type of chemical reaction ought to produce many patterns seen in nature.

Not exact matches

He would argue that Leclerc's notion of «physical existence» applies not only to our more typical notion of a molecule of water, or of sugar, or of hemoglobin (all of similar type), but also to examples of crystals, which are markedly different, and to systems of chemical reaction which persist far from equilibrium.
Any aqueous solution that contains a large number of chemicals must necessarily give rise to an even more complicated set of chemical reactions between and among those molecules, producing yet more chemical types.
An enzyme is a type of protein that creates a chemical reaction in the cells of the body.
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.
Enzymes are special types of proteins that speed up chemical reactions, such as the digestion of food in your stomach.
Whereas a battery or a fuel cell creates electricity using chemical reactions, the most basic type of capacitor employs two narrowly separated conductive plates.
To label the DNA of an intact virus, the scientists turned to click chemistry — widely applicable chemical reaction types.
And their detailed understanding of the underlying reaction mechanism should enable the LMU researchers to apply this relatively simple way of controlling molecular motions to other types of chemical switches.
«Benign by design: Ecofriendly catalyst discovered for a certain type of precious metal - mediated chemical reaction
Likewise, the production and destruction of oxygen, ozone, and methane is driven by chemical reactions powered by light, making the type of star important to consider as well.
«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.»
«Our next goal is to utilize such structurally simple, inexpensive manganese catalysts to target other types of reactions in which CO2 and hydrogen can be converted into useful organic chemicals,» concluded Prof. Khusnutdinova.
The chemical reactions she has developed are widely used throughout the pharmaceutical industry to create new drug candidates, are being studied by chemical companies interested in accessing important chemicals used in farming, and are being utilized to prepare a type of chemical (tracer) that allows doctors to view the heart's sympathetic nervous system through positron emission tomography (PET) scans.
Those chemicals serve as signals that prompt reactions from different types of cells in the bloodstream.
To determine whether solid nanoparticle catalysts exhibit a related type of chemical communication, a team led by Peng Chen of Cornell University scrutinized nanoparticles made of either gold or palladium as the materials mediated various types of model catalytic reactions.
Concretely, based on basic research on nanoscale materials, such as atomic and molecular transport and chemical reaction processes, polarization and excitation of charge and spin and superconducting phenomena, we are conducting research on atomic switches, artificial synapses, molecular devices, new quantum bits, neural network - type network circuits, next - generation devices, high sensitivity integrated molecular sensors and other new applied technologies.
The results suggest that brain tumours adapt their chemical reactions in very similar ways to survive in the brain, despite starting in very different types of cells and regions.
A gene in your DNA codes for an enzyme (type of protein that speeds up a chemical reaction) that allows you to break down a specific amino acid called phenylalanine found in milk.
The origin - of - life problem has been traditionally conceived as the chemical challenge to find the type of molecule and free - solution reaction dynamics that could have started Darwinian evolution.
If you use a lubricant during intercourse, «flavored or warming - type lubricants are best avoided,» she advises, as they «have a higher likelihood of causing chemical or allergic - type reactions than sensitive formulas.»
The bond that occurs between the second and third type of phosphates is that a great deal of energy is stored, and this can be used to trigger chemical reactions.
Trends in the use of infant formula over the last century have tracked an increase in allergic reactions, diabetes type 1 and type 2, and other chronic diseases among those children fed infant formula.1 Commercial formulas contain GM (genetically modified) ingredients and synthetically derived nutrients; they lack vitally necessary cholesterol but include mostly polyunsaturated fats which could include trans fats, toxic by - products as a result of heating and chemical additions, and many other substances not found in breast milk.
In MS, a type of T cell (lymphocyte) is able to cross the blood brain barrier and release chemicals in an immune reaction that attacks the myelin and causes inflammation.
Get rid of artificial personal care products Again these products are so full of chemicals that drag down your ability to effectively detox which will create a hay fever type reaction.
This flow chart helps student to identify different types of simple chemical reactions covering: * Acid + alkali * Acid + metal carbonate * Acid + metal * Displacement reaction * Decomposition reaction (Thanks for pointing out the inverted arrows - all fixed now)
Students also explore atomic structure, periodic laws, types of bonding, chemical reactions, and stoichiometry.
Both types of gravel are coated to prevent the gravel from coming into physical contact with the water and creating a chemical reaction between the minerals in the substrate and the water.
I have worked with countless chemical reactions (polymerisation) of that type.
Nitrous oxide is removed from the atmosphere when it is absorbed by certain types of bacteria or destroyed by ultraviolet radiation or chemical reactions.
Besides physical aspect, he must also hold knowledge about different types of carpet fibers, and reaction of cleaning chemicals on them.
a b c d e f g h i j k l m n o p q r s t u v w x y z