Sentences with phrase «only small molecules»

When you have a healthy gastro intestinal system, it will absorb only the small molecules, that is the products of complete digestion.

This barrier works to protect the brain from toxins by allowing only small molecules to pass through.

They found that only the smaller molecules could penetrate the gap.

Not exact matches

Until recently, scientists have been able to synthesize only relatively small pieces of DNA, and they've had a difficult time ensuring that the actual molecule turns out to have the sequence it's supposed to.

Programming a molecular biology experiment can be similar to playing Sudoku; both are simple if you're working with only a few molecules or a small grid, but they explode in complexity as they grow.

Unlike other techniques that depend on the ability to calculate the nuclear structure from the original data, which works best for small molecules, we only need to know the properties of our electron beam and experimental setup.»

At lower sugar doses, researchers found metabolites from labeled fructose molecules abundant in the small intestine, and only small amounts in the liver and in the vein that connects the small intestine to the liver.

Not only are biotech companies loosening pharma's stronghold on small molecules, but pharma is, increasingly, forging biotech research alliances.

Only the drug molecules are small and fleet enough to diffuse through the buffer and get snagged by the aptamers.

As a result, only a small fraction of atomic elements, along with a select few diatomic molecules, have been cooled in this manner.

The researchers realized that the segmental (also called structural) relaxation in the case of polymers presents the relaxation of only a small part of the molecule.

He was part of a team that recognized that only about 10 % of patients with NSCLC responded to the small molecule erlotinib — those whose tumors harbored mutations in the gene encoding EGFR.

The new method gives scientists more power not only to find new antibody - based therapies, but also to discover the biological pathways through which they work — pathways that may turn out to be more easily and cheaply targeted by small - molecule drugs.

When researchers talk about channel selectivity, they're referring to the ability of peptides or small molecules to turn off only one particular sodium channel.

Since only a small proportion of the molecules are located near the surface and are moving in the proper direction to escape at any given instant, the rate of evaporation is limited.

«This approach allows us not only to identify lipid - interacting proteins but also to discover small molecules or «ligands» that selectively block these lipid - protein interactions, helping us to study their functions.»

Lignocellulosic waste such as sawdust or straw can be used to produce biofuel — but only if the long cellulose and xylan chains can be successfully broken down into smaller sugar molecules.

«Now that we have this quantifiable result, that with only 12 building blocks we can make more than 75 percent of polyenes, we are committed to figuring out a global collection of building blocks — how to make them, how to put them together — to create a generalized approach for small - molecule synthesis.»

«Simulations based on our measurements suggest that our method can probably be used to determine the structure of even smaller crystals consisting of only hundreds or thousands of molecules,» Chapman says.

«Simulations based on our measurements suggest that our method can probably be used to determine the structure of even smaller crystals consisting of only hundreds or thousands of molecules,» reports Chapman, who is also a member of the Hamburg Center for Ultrafast Imaging (CUI).

This is a problem, says Frangioni, because when fluorescent molecules are injected into the blood, only a small fraction is taken up by the tissue of interest; the rest continue to circulate through the blood until filtered either by the kidneys or liver and excreted from the body.

«Work continues to identify the other factors, including small molecules, necessary to not only promote the maturation and survival of the newly generated hair cells, but also increase their number,» Zuo said.

The cells generated in the Zeng lab may not only provide a potential unlimited source for cell replacement therapy for Parkinson's disease, but also offer an unprecedented opportunity to develop screening models for assessing small molecule drugs and to clarify the mechanisms of disease.

«Instead of taking skin cells back to their stem cell - like beginnings, we used small molecules to take them only part way,» explains Dr. Ding.

Together, the teams of Drs. Srivastava and Ding are confident that they will soon find a way to eliminate the need for genes entirely, thus using only a cocktail of small molecules to generate beating heart muscle and regenerating damaged hearts.

«It is worth considering that a peroxide compound in essence contains both the fuel and the oxidizer in the same molecule and is therefore only one small step away from ignition.

DRAQ5 is a small molecule dye which only labels nuclear double - stranded DNA.

However, using Anton, researchers were able to simulate only a small part of the chemoreceptor containing the Phe396 pair known as a dimer, meaning two identical molecules.

Most of these molecules contain a small number of atoms, and only a few molecules with eight or more atoms have been found in interstellar clouds.

Thus, if a molecule has a high GWP on a short time scale (say 20 years) but has only a short lifetime, it will have a large GWP on a 20 year scale but a small one on a 100 year scale.

As reported online in PLoS One on October 3, Hopkins colorectal cancer specialists John Abraham, Ph.D., and Stephen Meltzer, M.D. - working with the notion that small molecules generally make better treatment packages - designed small bits of protein only 10 amino acids long as the foundation for their drugs.

The membrane of the small intestine allows only very small nutrients and fats, proteins and starches which are all broken down to very small particles to enter into the bloodstream, while the larger molecules and many different types of toxic compounds are kept out.

Only a small portion of that food is used to provide or synthesize the molecules that make up our tissues.

Caffeine is a small molecule present, not only in coffee, but also many different types of teas (except herbal teas); including green tea; energy drinks,

Our Argan Oil naturally has a smaller molecule size to better penetrate the skin, and is made with only pure, organic argan oil.

The frequency at which photons are emitted or absorbed is small relative to the rate of energy redistribution among molecules and their modes, so the fraction of some molecules that are excited in some way is only slightly more or less than the characteristic fraction for that temperature (depending on whether photons absorption to generate that particular state is greater than photon emission from that state or vice versa, which depends on the brightness temperature of the incident radiation relative to the local temperature).

According to classical thermodynamics the CO2 molecule would absorb infinite power, but quantum thermodynamics — only a small fixed amount.

If, to take a very simple example, there were two molecules of ink and 14 molecules of water, in a 4 x 4 array, there are 16 x 15 / 2 = 120 different arrangements of the ink, only a small number of which have the two ink molecules adjacent.

Now the only thing I don't seem to know is the proper division of rates of overall radiation from the bulk atmosphere and how much might actually reverse thermalize back to the GHG gases with most molecules just thermalizing again and a small fraction actually radiating.