Sentences with phrase «small number of molecules»

It can transfer kinetic energy to another molecule though, and through random collisions a small number of the molecules will reach the necessary energy to radiate.

For small numbers of molecules, temperature is no longer strictly proportional to the average kinetic energy.

Not exact matches

The apparent gap between nonliving and living has now been bridged by nucleic acids, a class of polymeric organic molecules composed of a succession of small units (nucleotides) of four sorts, the order of which determines an indefinitely large number of different specificities.

Curd from milk heated to a high temperature will not release whey as ordinary cheese curd does, due to the smaller number of casein bridges within and between the casein molecules.

«Most of what we are all doing with liquid biopsies is dealing with very small numbers [of molecules], so using a poor sample extraction or nonoptimized kit can really get rid of a lot of the signal,» she says.

When newly hatched majors were injected with molecules that increased the number of small chemical groups attached to their DNA's protein scaffolding, they behaved like minors.

Usually, in small - molecule junctions, electrons «pushed» through the junction by the applied bias make the leap continuously, from one electrode into the other, so that the number of electrons on the molecule at each instant of time is not well - defined.

Taking their cue from nature, where structurally well - defined biopolymers are the norm, e.g. in DNA and genes where slight variations to the order of a small number of organic molecules gives rise to the diverse spectrum of life, they have developed a self - sorting strategy that regulates the order molecules take when forming long chain polymers.

As the microbes metabolize food, they produce an astonishing number of small molecules, chemicals and hormones that circulate in a host and can influence health in an animal.

«We look for activity of our molecules in phase 2, and on numerous occasions we generate statistically significant data with relatively small numbers of patients, which gives us reasonable confidence that the program will be successful in phase 3 with a larger group of patients.

In the study, researchers used the blood of seven people who survived Ebola Bundibugyo virus infection during the 2007 outbreak in Uganda to isolate a large number of B cells that produce antibodies, which are the small protein molecules capable of inactivating the virus.

The group synthesized a number of small molecules and screened them for their ability to counteract the toxin.

«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.

A quick glance at any history of small - molecule crystallography would have warned them: There used to be departments of crystallography in a number of American universities; now there are none.

Hu and his collaborator Juan R. Del Valle at the University of South Florida are developing novel small molecule inhibitors against IRE - 1 to combat cancers associated with high numbers of MDSCs.

Chemists at Novartis involved in the previous phase of the program discovered a number of small - molecule modulators of the GABAB receptor.

Functional Genomics The platform provides access to automated high - throughput laboratory equipment handling very a large number of samples for RNA interference, cDNA expression and small molecule screening.

«We are presently testing a number of biological and small molecule inhibitors of Notch3,» he said.

Vescor, advised by its scientific founders White and Kimmelman, whose research has shown inhibition of autophagy can dramatically impact tumor growth in pre-clinical models, will develop small molecule inhibitors of a number of protein targets at critical nodes of the autophagy cascade, perform investigational new drug (IND) enabling studies, and move these into clinical development.

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.

Dr. King points out that a number of oral drug candidates inhibit PKC - delta and that it may be possible to suppress PKC - delta production with microRNAs (small RNA molecules that help to regulate protein generation).

A number of different strategies are being pursued, including small - molecule drugs and antisense therapies, all with the same goal in mind: to therapeutically boost the levels of full - length SMN protein.

Any group of carbohydrates consisting of a small number of simple sugar molecules; most commercial prebiotics are oligosaccharides.

Beyond eye cream, I think they are perhaps the number one product that every woman must use since they are generally made up of smaller molecules that can penetrate deeply into the skin and deliver a higher concentration of active ingredients than regular cream moisturizers.

Ok, don't see where you gave where any of the numbers are coming from but it suffices you seem sure the radiation pressure from added GHG molecules (H2O or CO2), let's say 10 per million is so infinitesimally small that the lift of the atmosphere in every cubic meter per one meter layer up to say 80 km is so insignificant it can be totally ignored.

As I read it, it says there will be a lapse rate that's small for large numbers of molecules but stll finite and non-zero so long as the number of molecules is not infinite.

Since the «nonphysical» part of the derivation is that small puzzle where the number of water molecules can exceed the «limits» imposed by RH, the paper would be meaningless anyway:)

That results in higher density and heavier air which must then fall.The same number of molecules in a smaller space.

So to argue for the insignificance of the thermosphere to radiative balance it is not sufficient to point to its small mass and number of molecules — one must accompany this with physics showing for instance the mean free path of photons between interactions with air molecules to be sufficiently long that the thermosphere will not significantly affect outgoing flux.

You say it irradiates the light energy back toward Earth (and by the way it's light not heat), but the probably of that happening is extremely small because the numbers you cite suggest it will transfer that light energy as heat to neighboring molecules before it irradiates.

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.

The number of liquid drops is many orders of magnitude smaller than the number of gas molecules that have condensed into those drops.