Sentences with phrase «in a chemical reaction»

They've been absorbed by other ingredients and played roles in chemical reactions as a part of the baking process.
In our bodies, oxygen is constantly involved in chemical reactions in which electrons are shifted around to generate energy.
Take home message: Whenever possible, eat whole foods containing a wide variety of minerals that assist in chemical reactions in tissues all throughout your body.
If you are interested in the chemical reactions and the by - products, you can find them here.
Fuel cells generate electricity in a chemical reaction between hydrogen and oxygen, which yields only pure water vapor.
Students determine whether the heat released in a chemical reaction changes when the reaction is carried out in steps.
Alright, so activation energy is involved in chemical reactions all around us, but how is this useful and practical for our everyday lives?
Because free fatty acids are more available in chemical reactions (including oxidation), too many free fatty acids means a higher risk of oxidation.
The table structure helped the students to understand the idea of there being different types of salt and the other products made in each chemical reaction.
A catalyst is a chemical that contributes in a chemical reaction but remains unchanged after the whole reaction is complete.
It also plays a major role in the chemical reactions taking place in the human body.
The foundation for the technology is in the chemical reaction between aluminum powder and water to produce hydrogen.
Scientists use this device to measure the heat released in a chemical reaction — in this case, the burning of the powdered food.
Materials like molybdenum sulfide are used as catalysts in chemical reactions.
These findings provide new insights into how the structure of enzymes is related to its role as a catalyst and importantly, could provide a route to designing better biocatalysts for use in chemical reactions in industrial processes, such as the production of drugs.
Reservoir Molecules Molecules in the atmosphere that bind with atoms or other molecules and prevent them from participating in chemical reactions.
Ocean microbes produce half of the oxygen we breathe, and are important drivers in chemical reactions and energy transfers that fuel critical ecological processes.
«The upgrade will benefit X-ray experiments in many different ways, and I'm very excited to use the new capabilities for my own research,» said Brown University Professor Peter Weber, who co-led an LCLS study that used X-ray scattering to track ultrafast structural changes as ring - shaped gas molecules burst open in a chemical reaction vital to many processes in nature.
Researchers have developed a way to use less platinum in chemical reactions commonly used in the clean energy, green chemicals, and automotive industries, according to a paper in Science.
Organic chemistry, product cleaning, material development, impregnation and utilisation of computer models to predict the effects of solvents in chemical reactions
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.
Vitamins take part in the chemical reactions within the body converting food into energy and living tissue.
Graphene is known as the world's thinnest material due to its 2D structure, where each sheet is only one carbon atom thick, allowing each atom to engage in a chemical reaction from two sides.
By understanding the details of this motion, one can determine the amount of energy needed to transform reactants into products in a chemical reaction, or the color of light absorbed by a molecule, and ultimately accelerate the design of new drugs and materials, better catalysts and more efficient energy sources.
Scientists have proven that the colder the water the greater the reduction in chemical reaction, meaning the colder the water the less likely your detergent is to work properly to get your soiled laundry and cloth diapers clean.
Polymers such as polystyrene and nylon and polyethylene are thermoplastics; their polymer chains are formed in chemical reactions that take place before the plastic ever gets near a mold.
Throughout my science education, I have dutifully memorized facts: the stages of photosynthesis, the enzymes involved in the Krebs cycle, how to balance equations in chemical reactions.
They turned to quinones, a carbon - based class of chemicals that play an important role in animal and plant metabolism, moving electrons in the chemical reactions we use to store energy in our bodies.
Jo Ellen Roseman, director of the long - term science literacy project, said improved ways of teaching how atoms and molecules behave in chemical reactions will prepare students for more advanced classes in high school and college.
Rise and shine at 6:02 today to honor the mole, Avogadro's unit for measuring mass in chemical reactions.
Dylan Ryan added: «We've found that itaconate can directly modify a whole host of proteins important for inflammation in a chemical reaction never before described, and that this reaction is important for the anti-inflammatory effects of itaconate.»
University of Wisconsin - Madison professor Martin Zanni used a sophisticated technique that relies on 2 - D infrared spectroscopy to follow the sequence of events in the chemical reactions leading to fibril formation.
What happens in detail in the chemical reaction is that a hydrogen ion — a proton — is ejected from the pigment at the same moment the UV light reaches the pigment molecule.
For instance, the technique (which Nesbitt has dubbed the ultimate radar detector) can identify the quantum states of new molecules produced in chemical reactions that occur when a supersonic jet of gas molecules interacts with a liquid - like surface called a self - assembled monolayer, or SAM.
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 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.
Catalysts mediate between the reagents in a chemical reaction and control the process leading to the desired end product.
However, the shape of a molecule can change, for example, through proximity to other molecules, external forces and excitations, and also when a molecule makes a chemical connection with another molecule, for instance in a chemical reaction.
These enzymes share a common core structure but are very flexible in the chemical reactions they catalyze, which range from the breakdown of fat to the detoxification of chemicals called peroxides.
Living cells thrive by exploiting similar imbalances in nature — of protons, and also electrons, which are exchanged in chemical reactions between oxidants and reductants.
In the last four years we have gotten interested in chemical reaction networks, where you have a set of reactions: Molecule A plus molecule B reacts to form molecule C, and X plus C forms A. Traditionally, chemical reactions have been used as a descriptive language for explaining things that we see in nature.
The continual flow of electrical current results in chemical reactions at the site of the electrodes delivering the signal, causing gas bubbles, corrosion and toxic byproducts to form.
Such targeted interventions in chemical reactions have not been possible until now, since the time scale of electron movement in molecules was previously unreached.
This new technique pinpointed the areas on single metallic particles — which measure about 100 nanometers (100 billionths of a meter)-- that are most active in chemical reactions.
One very effective way to «deal» with free oxygen is the production of «oxygen reductases»: proteins that reduce oxygen to water, and simultaneously conserve the energy inherent in this chemical reaction.
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