Sentences with phrase «such molecules»

Scientists tested a nasal spray with two such molecules on mice infected with the plague.

But lots can go wrong when you try to sneak such molecules into the body.

Although such molecules are built from exactly the same elements they can be arranged in mirror images of each other, and this configuration sometimes changes their properties drastically.

The researchers found that this process can effectively remove such molecules even at parts - per - million concentrations.

Chains of such molecules go into making things like cell walls and other structures.

In particular, novel techniques make such molecules genetically encodable — which means that they need not to be introduced into the cells, but are then produced by the cells themselves.

In addition to the function of transport, membranes also are utilized as templates on which such molecules as enzymes, which must function in a sequential fashion, can be kept in the requisite order.

But Barres's team is one of several over the past decade that have not only discovered such molecules exist in the normal brain, but that they play a unique and essential role there.

The drug also appears to overcome what Hancock calls «one of the big bedevilments» of antibiotic candidates: The environment of the human body inhibits the activity of many such molecules because they stick to proteins and lipids in the blood.

However, it is hard to understand why such a molecule might act differently in cancer cells, where NF - kB is typically always in an active state.

They began to search for suspicious gene activity that could produce such a molecule by sequencing RNA gene transcripts in beetles and their larval passengers.

Manipulating such molecules, these scientists believe, may be key to treating many devastating neurological ailments, from autism and schizophrenia to Alzheimer's and ALS.

When Gentry and his colleagues first detected helium molecules in a jet of supercold helium atoms, they ended decades of speculation over whether such molecules were even possible.

Using an innovative screen approach that graduate student Shahram Jevin Poureetezadi designed, the team exposed zebrafish embryos to small molecules, prostaglandin E2, from a chemical library of such molecules known to be active in cell development generally.

If such molecules were to accumulate, they would threaten the viability of both the alga and its host.»

Other molecules that violate the octet rule have been observed before, but the UCLA study is among the first to observe such a molecule using tools from physics — namely lasers, ion traps and ultra-cold atom traps.

Such molecules ordinarily smell identical to people.

It now seems the Crab Nebula provides exactly the right conditions to form such molecules.

She believes such molecules could one day serve as powerful drugs to treat patients with dengue fever.

The standard approach to making such molecules immunogenic is to link them to a larger biological molecule like a protein in such a way that an individual's immune system is able to detect the drug molecule and mount a response to it.

It yielded a polyoxocation of zinc, aluminum and chromium that is not protected by the organic ligand shell that is usually required to capture such molecules from water.

«When such molecules were first found in the protoplanetary disk around a star in a later phase of star formation, we wondered if they could have formed earlier.

Several such molecules are expected to be cross talking in the network.

as it was previously said here, it won't prevent acidification of oceans but such molecules like sulphates are known to provoke acidic rains, and even atmospheric pollution for some sensitive organisms like lichens.

Thus, by an engineered pattern of such molecules on a surface of e.g. a biodegradable implant endothelial cells or others can be guided to the place of its proper action.

There are several likely scenarios under which such molecules could have formed naturally, and once the correct amino acids are formed in these scenarios, life is not an unlikely occurance on the extremely long timeline of early earth.

Kerr's group, in collaboration with Dr. John Chisholm, has recently discovered such a molecule, called a SHIP1 agonist.

Absolute levels of, or changes in, such molecules can indicate disease (the increase in glucose seen in diabetes mellitus), particular conditions (new hormones produced in pregnancy) or increased risk of a disease (screening cholesterol levels can predict risk of coronary heart disease).

Previous studies had mainly obtained «static» data on the knotting probability of such molecules.

The scientists noticed that one such molecule, called MIR168a — which is abundant in rice and plays a role in plant development — paired up with a piece of human RNA that helps remove «bad» LDL cholesterol from the bloodstream.

Such molecules are primarily generated when microbes feast on undigested food.

Here we speak of meso compounds: such molecules have stereocenters but are nevertheless achiral.

The researchers used hundreds of such molecules, combining them in various ways to create a library of 35 million different «fish hooks.»

One such molecule is guaiacol, a substance that develops when the grain is dried over peat smoke when making malt whisky, providing the smoky flavour to the whisky,» Karlsson explains.

For example, their surface is covered by glycoconjugates that are essential for their survival and infectivity, but little is known of the processes that lead to the synthesis of such molecules.

Sex specific Katsuma and his team report in Nature today that one such molecule, which the authors called Fem, is specific to female silkworms, suggesting that it has a role in sex determination.

But he is pleased to see that such molecules can indeed form on comets.

Ozone — a variety of oxygen — is one such molecule, and is seen as one of the possible tracers that may allow us to detect life on another planet from afar.

Such a molecule might also be able to ameliorate the side effects of chemotherapy or radiation therapy of cancer patients.

Such molecules are also suspected to contribute to the effects of ageing.

Once made, such molecules could be used as food additives.

The cavities of most calixarenes are too small to hold a large substrate, so they can not catalyse conversions of such molecules.

Even if you need to make 100 such molecules «by hand», he says, «it would be worth going through that manual labour».

Such a molecule is highly unstable because the unpaired electrons tend to react with anything around them.

Half the prize goes jointly to John Fenn of Virginia Commonwealth University in Richmond and Koichi Tanaka of Shimadzu Corp. in Kyoto, Japan, who developed techniques to help determine the masses of such molecules.