Sentences with phrase «chemical constituents of»

Determining the levels of the various cellular and chemical constituents of blood can provide valuable diagnostic information when test results are accurate.

Today, through tests such as gas chromatography and mass spectrometry, we can better ascertain the specific chemical constituents of a plant's essential oil.3

, Antimalarial Evaluation of the Chemical Constituents of Hairy Root Culture of Bixa orellana L., 2014

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The various chemical constituents of Withania somnifera can lead to abortion of the fetus.

-- Pollution and smoking Atmospheric air pollutants and chemical constituents of tobacco can activate inflammatory responses and cause oxidative stress, among other disturbances, which could accelerate ageing and increase the risk for various diseases.

All of the chemical constituents of the assembled tPNA could have been found in a world before life began.

When molecular hydrogen (H2), methane (CH4), ammonia (NH3) and water (H20) are mixed together in the presence of virtually any intermittent source of energy capable of breaking chemical bonds, the result is a remarkably high yield of amino acids and the sugars and nitrogenous bases that are the chemical constituents of the nucleotides.

Still, because the chemical constituents of MOFs can easily be changed, there is hope that other novel compositions might perform even better, making them more economical.

They used Liquid chromatography — mass spectrometry (LC - MS), which combines the physical separation capabilities of liquid chromatography with the mass analysis capabilities of mass spectrometry (MS) to isolate the chemical constituents of virgin coconut oil (VCO).

It is far from certain that if scientists succeeded in synthesising all the chemical constituents of an organism or of a piece of DNA they would thereby produce a living thing.

The chemical constituent of blessed thistle, cnicin, stimulates digestive enzymes and bile secretions.

Carbon is the major chemical constituent of most organic matter — plants take it in; animals eat plants, die, and decompose; and plants take it back in, ad infinitum.

Not exact matches

I have been concerned to show, elsewhere, 6 that the same set of epistemological limitations encountered at the transition to the life sciences and cognitive psychology are evident at the level of chemical theory and its dependence upon the quantum theory relevant to nucleic and electronic constituents.

It should be pointed out, perhaps, that for the first fifty years or so of quantum chemistry, the results of theoretical calculations were uniformly poor and unhelpful; but this tended to be put off to the enormous complexity of the mathematical techniques — if only these could be overcome, it was thought, it would become obvious how wonderfully we could depict the results of chemical reactivity and bonding simply by applying calculations to the known constituents.

And here are the physicists, splitting up the molecule into atoms and now picking away at the atom itself, peering down into the deep abyss in which the constituent elements of all chemical things are the same; yet never a word have they to tell us about where «form» ends and «matter» begins!»

In terms of the physical as «matter,» the biological entities could, however, not be fundamentally different in nature from their material constituents; that is, biological entities are intelligible purely in terms of their chemical constituents, which in turn are reducible to their «physical» constituents, which is to say that biological entities are basically intelligible in purely mechanistic terms.

This technique can generate chemical spectra profile that characterizes the multicomponents of active constituents as uniquely as a fingerprint.

The arrangement of atoms in an alloy changes the chemical properties of its constituent metals and makes it potentially useful to catalyse reactions.

«There is more complexity now from many points of view: more constituents, more chemicals, more phases.»

It is tobacco, with its thousands of chemical constituents, that rightly merits our fear and loathing as the Great Satan of addictiveness.

To find the origin of this gas mixture, which also contained noble gases, Darrah analysed its constituent chemicals.

Unfortunately, sweet potatoes contain a chemical that inhibits the action of trypsin, and sweet potatoes are not only a major constituent of the pig feast but also a staple of the highland diet.

They were not interested in taking more pictures of the Horsehead; instead they were after spectra — readings of the light broken down into their constituent wavelengths, which reveal the chemical makeup of the nebula.

«Our goal is to catch the first stages of ice forming and find out what exactly the chemical constituents are that the ice is forming on.»

Rather than ordinary spot - testing approaches, which look for unnatural ratios between biological constituents in a single sample or for direct chemical evidence of known doping agents, the passport allows investigators to see the big picture — any deviations from the rider's test - established norm that might result from doping, even if the specific drug or tactic remains unknown.

Israeli scientists Raphael Mechoulam and Yechiel Gaoni discovered THC, or tetrahydrocannabinol, in 1964, kick - starting the scientific study of the plant and its chemical constituents around the world.

Using liquid chromatography - mass spectrometry (a process that separates complex mixtures and analyzes ingredients by measuring a weight - to - charge ratio), researchers compared the constituent chemicals in the food to standards for common molds, heavy metals and ethylene glycol (or antifreeze, which Goldstein says is the number one cause of kidney failure).

Mass Spectrometer: An instrument that can determine the chemical composition of a gas by measuring the masses of its constituent molecules.

This is, in part, because of the very characteristics that make it so interesting: Typically, the constituents of a chemical compound can be determined through spectroscopy, among other tools, but in the case of eumelanin the spectrographs don't show the sharp peaks that are ordinarily useful in identification.

Being able to literally pull apart these triazoles into their constituent precursors and then unlock their chemical reactivity in new ways is now possible with the assistance of mechanical force,» he says.»

Their study, «Inhalable Constituents of Thirdhand Tobacco Smoke: Chemical Characterization and Health Impact Considerations,» has been published online in the journal Environmental Science & Technology.

These types of observations can be used to look for vertical variations of the chemical constituents and temperature structure.

Emory University School of Medicine scientists have arrived at an essential insight: the cell isnâ $ ™ t a tiny bucket with all the constituent chemicals sloshing around.

The goal of these observations was to understand not only whether planets have formed, but also what conditions can result in planet formation and what chemical constituents are available for new planets.

The Imager has a spectrograph that separates light out into its constituent colors, and these so - called spectra bear markers of the chemical elements in a planet's atmosphere.

Beyond origins of life questions, Ghadiri says the work also offers some distant but intriguing possibilities, especially considering that there are almost endless possibilities for creating systems similar to tPNA using differing chemical constituents.

Various environmental chemicals, some constituents of food such as gluten, certain types of intestinal bacteria, and a number of pharmaceuticals can cause chronic inflammatory diseases.

Emerging research, as reviewed here, indicates that fermentation may magnify the known benefits of a wide variety of foods and herbs, influencing the bioavailability and activity of the chemical constituents.

Here's what the renowned US Massachussets Institute of Technology (MIT) in its description of a research program for the quantitative measurement of the chemical or bioactive constituents of Eurycoma Longifolia said: «The yield of the bioactive constituents is extremely low at less than 0.005 %.

Study on chemical constituents and antioxidant activity of anthocyanins from purple sweet potato (Ipomoea batatas L.).

The extraction process is natural and free from chemical solvents, preserving all of the leaf's active and synergistic constituents.

, Traditional Uses, Chemical Constituents, and Biological Activities of Bixa orellana L.: A Review, 2014

As wine is a complex mixture, it is likely that a multitude of chemical constituents, as well as their metabolites, work synergistically to impact human health.

Curcumin (also known by its chemical name, diferuloylmethane) is the major constituent in turmeric and exhibits numerous pharmacological activities that are of interest in oncology.

This is because asparagus breaks down its constituents of ammonia and sulfur into volatile chemical compounds that actually help the body to detoxify.

The study's (PDF) authors hesitate to isolate and praise a single component of the nut, referring to them as «complex food matrices containing diverse nutrients and other chemical constituents.»

Besides, other constituents of the product's formulation could be basic industrial chemicals with no sustainability benefit.

According to the Code of Federation Regulations: 21 CFR 501.22 — Animal foods; labeling of spices, flavorings, colorings, and chemical preservatives, it has the following definition: «The term natural flavor or natural flavoring means the essential oil, oleoresin, essence or extractive, protein hydrolysate, distillate, or any product of roasting, heating or enzymolysis, which contains the flavoring constituents derived from a spice, fruit or fruit juice, vegetable or vegetable juice, edible yeast, herb, bark, bud, root, leaf or similar plant material, meat, seafood, poultry, eggs, dairy products, or fermentation products thereof, whose significant function in food is flavoring rather than nutritional.»

«Through the compilation of seemingly unrelated material — first - person narration, music ranging from gospel to electronic dance music (EDM), and swirling chemicals — she has created a work that goes beyond its constituent parts to address ideas of human perception through direct experience and an emotive sensibility.»