Sentences with phrase «chemical structure which»

Saturated fats are solid or semisolid at room temperature and make ideal cooking fats because of the inherent stability provided by their chemical structure which means that they do not easily go rancid when heated during cooking or form the free radicals that contribute to heart disease and cancer.

The logic behind why these fats can be dangerous to our health stems from their chemical structure which is straight, meaning that they can stack on top of each other, potentially clogging our arteries.

The term, bioidentical, means a hormone chemical structure which is identical to that found in the human body.

Although it's a non-essential beta - amino acid, beta - alanine has become mega-popular in the fitness world due to its unique chemical structure which allows it to raise muscle carnosine levels and double the amount of work you can perform at high intensities.

The complex type usually has more fiber in them and have a more complex chemical structure which makes their digestion process longer.

This energy is the product of rearrangements of electrons in the periphery of atoms and results from the change in chemical structure which occurs in the process of combustion.

Not exact matches

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.

In the case of chemical dissipative structures, there is a time - parameter which is characteristic of the structure as a whole19 (roughly, the time it takes for the system to traverse the limit cycle).

Just as the diiodine molecule vibrates about its equilibrium internuclear distance, and molecules in solid iodine jiggle around in three dimensions, still keeping the overall structure of the crystal intact, so, too, there are fluctuations in the concentrations of all chemicals which participate in chemical equilibria.

In a new dissipative structure (either a steady state or a limit cycle), concentrations of chemicals and rates of mass - transfer between the system and surroundings will not be those characteristic of the previous equilibrium state (or the nonequilibrium steady state that corresponds to it under conditions of instability) but rather they will be the (perhaps quite different) average values which pertain to the new structure.

10 J. Willard Gibbs showed that each chemical equilibrium can be considered to correspond to a minimum in a free - energy - composition space, closely analogous to the potential energy - configuration pit which corresponds to every spatial structure.

Vitamin B12 is the only vitamin that contains a trace element — cobalt — which gives this vitamin its chemical name — cobalamin — which is at the centre of its molecular structure.

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.

In part, this has to do with the chemical structure of goat's milk, which is broken down with less effort than cow's milk.

Although isolate does contain more protein, it is also a more heavily processed supplement — which means that the chemical structure has been thoroughly manipulated.

And even if none of these chemicals remain entrapped in the final polyester structure (which they most likely do), the manufacturing process requires workers and our environment to be exposed to some or all of the chemicals shown in the flowchart above.

Understanding molecular structure at a theoretical level is perhaps interesting, but continually producing new chemicals (which we could only identify because the book told us how to) meant almost nothing.

The chemical structure of DHA is the same, regardless of which of these sources is used.

It is emerging that the chemical structure of RNA molecules is extensively modified by specific enzymes normally present in our cells, which are commonly found to be altered in severe medical syndromes and various types of cancers.

The team was able to relate the depth of each sediment layer with the climate at the time when it was laid down by looking at chemical traces left by microbes, which adapt their structure to the climate.

These models utilize machine - learning techniques — the same ones used by companies like Netflix or Amazon that «learn» a customer's preferences and make recommendations based upon that data — in order to predict which chemical structures are likely to have the best overall CO2 absorption properties.

The chemicals partially strip the wood of substances called lignin and hemicellulose, which help give wood its structure and rigidity...

Supramolecular chemistry is the science that is concerned with molecular self - assembly: chemical building blocks which, when you combine them, naturally form larger ordered structures.

On the outside of the heterochromatin bundles are chemical markers, known as epigenetic tags, which control the structure of the heterochromatin.

Tissue from their placentas, the uterine structure that provides oxygen and nutrients to the fetus, was analyzed for a specific enzyme, CYP1A1, which changes endocrine - disrupting chemicals into a form that can interfere directly with the body's thyroid hormone receptors.

This molecule, which the researchers call pteronenone, had a structure similar to that of chemicals which absorb the Sun's damaging ultraviolet rays and are carried by other planktonic creatures (Journal of Organic Chemistry, vol 60, p 780).

Physics and chemistry professor Ahmed Zewail and his colleagues at the California Institute of Technology married two previously independent lines of research: femtochemistry, in which pairs of brief laser pulses initiate and monitor a chemical reaction, and electron diffraction, in which a molecule's structure is determined from the scatter of electrons fired at a crystal containing billions of copies of that molecule.

«The atomic force microscope gives us new information about the chemical bond, which is incredibly useful for understanding how different molecular structures connect up and how you can convert from one shape into another shape,» said Crommie.

Because the «nanoscale - sculpturing» process not only creates a 3D surface structure, which can be purely physically bonded without chemicals, the targeted etching can also remove harmful particles from the surface, which is of particularly great interest in medical technology.

Vivek Vasantha at A * STAR Institute of Chemical and Engineering Sciences — together with scientists from across Singapore under the Innovative Marine Antifouling Solutions (IMAS) program — developed a new block copolymer that can self - assemble into spherical micelle structures in which one monomer forms the core and the other forms the outer shell.

Surprisingly, tilivalline shares its chemical structure with a class of soil bacteria metabolites called pyrrolobenzodiazepines, which are already investigated and applied in clinical trials for their antitumor properties.

I had some advantages: First - principles electronic structure theory — in which the structure and properties of chemical compounds are calculated by solving the Schrödinger equation — had just matured enough to allow the study of materials that I thought might be good multiferroics candidates.

«In this case we do not suspect any related protein but observe that there are chemical structures that can cause this disorder, which we have annotated in 12 drugs that include this condition as a possible side effect».

Next, they studied the proteins with which they interact and their chemical structure.

The research team, which also included Martha Grover from Georgia Tech's School of Chemical & Biomolecular Engineering, has so far used the solvent to assemble three structures, including two DNA origami structures.

Becker serves as a consultant for Austria - based gas analysis instrument - maker Ionicon Analytik, GmbH, which makes proton transfer reaction — mass spectrometry (PTR — MS) technology that the company claims can distinguish substances having very similar molecular structures as well as correctly identify explosives, chemical warfare agents and substances that could be combined to create a bomb.

«From our perspective as chemists, we were almost disappointed that a molecule which conveys something important as sex has such a simple structure,» says Aleš Svatoš, who performed the chemical analyses to identify the pheromone.

Artemisinin has a chemical structure called a peroxide bridge, which can be cleaved by iron ions to form free radicals that attack a range of proteins and other biomolecules; some researchers suspected that such an attack would be fatal for the parasites.

Those oils, which put the «poison» in poison ivy, can vary in their chemical structure, and high CO2 levels also cause the plants to produce a more toxic form, «so climate change is not doing us any favors there,» Inkley said.

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.

The vitamin promoted the formation of an «adduct,» a structure that links a chemical to DNA, and which may cause mutations.

The antibiotics, called spectinamides, were created by changing the chemical structure of an existing antibiotic, spectinomycin, which does not work against TB.

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.

As rice plants absorb phosphate, a nutrient needed for growth, they also take up arsenic, which has a similar chemical structure.

He wants to exploit DNA's unique chemical properties to process information like a computer (using novel scientific disciplines known as molecular programming and DNA computing) and even appropriate the DNA molecule as a scaffold on which to build useful structures.

The increase in medical radiation exposure (from 0.53 mSv to 3.0 mSv) stemmed primarily from a rise in the use of computer tomography (CT) scans (which use x-rays to create cross sectional images of inside the body to spot tumors, clogged arteries, among other things), and nuclear imaging tests, which involve injecting radioactive chemicals into the bloodstream that can be picked up by special instruments and used to create images of the body's inner structures.

We eventually spotted cis retinoic acid, which has the same chemical formula as all - trans retinoic acid [ATRA], but with a different chemical structure.»

The material's exceptional mechanical and chemical properties are due to its very regular, hexagonal structure, which resembles microscopic chicken wire.

The team finds that the mineral disassociates into two phases one a magnesium silicate perovskite missing iron, which is represented by the Fe portion of the chemical formula, and a new mineral, that is iron - rich and hexagonal in structure, called the H - phase.

(That's different from manufacturing a small - molecule generic, which will have the exact chemical structure of the brand - name drug.)