Sentences with phrase «molecules on the surface»

Inside the brain, prions presumably latch onto PrPC molecules on the surface of nerve cells and impose the prion conformation.
A cubic yard of air contains hundreds of thousands of microscopic specks, but only about one in a million possesses the exact molecular geometry that will organize water molecules on its surface to spawn an ice crystal.
A little mineral crystal can act as a template, coaxing water molecules on its surface to organize into the hexagonal lattice of an ice crystal.
This drug (vedolizumab) blocks a specific adhesion molecule on the surface of the T - cell and thereby inhibits immune cells from binding themselves to receptors present in the intestine, preventing the T - cells from penetrating the blood vessels in the intestinal tissue.
One key gene encodes the making of a receptor called TREM2, a docking site for molecules on the surface of microglia and other innate immune cells.
The mushroom - shaped protein specializes in infecting cells, first by binding a trio of sites on its head to three separate sugar molecules on the surface of targeted cells.
Furthermore, the researchers found that by altering the size of the ripples, and the type of molecules on the surface, they could achieve fast and controlled motion of molecules other than water..
Researchers studied the structure of proteins from one strain of the H7N9 virus that caused the outbreak and tested how strongly one of the proteins bound to molecules on the surfaces of bird and human cells.
It is likely that molecules other than cholesterol — the lipid and protein molecules on the surface of the HDL particle — are responsible for the protective effects of HDL particles against heart disease.
Just over a year ago, the same team of South African researchers reported in Nature Medicine (also part of the Nature group of journals) on their discovery relating to two other KwaZulu - Natal women, that a shift in the position of one sugar molecule on the surface of the virus led to the development of broadly neutralizing antibodies against HIV.
Bode believes these sugars, because they are indigestible, journey intact to the colon, where their structure mimics molecules on the surface of gut epithelial cells.
At the moment of impact, a thin layer of organic molecules on the surface of each fiber freezes up, locking the sturdy strands in place.
The T cell's self - destruct program is turned on when a molecule on its surface, called Fas, binds to a protein called Fas ligand.
The microbes deploy FimH on the end of long, spaghettilike strands that extend from the cell body and latch onto sugar molecules on the surface of mucosal cells.
The research team now plans to study the roles of isomer concentrations and temperature in the conversion process, the conversion of para-water to ortho («back conversion»), how to detect single ortho - and para-water molecules on surfaces, and spin isomers in other fullerene - caged molecules.
Although there are other techniques that allow researchers to concentrate molecules on a surface, those techniques mostly work with water as the medium.
The MSRs were then coated with lipids that formed a thin supported lipid bilayer (SLB), which resembles the outer membrane of APCs and that the researchers then functionalized with a pair of T cell - stimulating antibodies that remain mobile in the lipid layer and can bind to receptor / co-receptor molecules on the surface of T cells.
The hairs end in tiny nanostructures that interact at the atomic level with molecules on the surface the gecko is trying to grip.
The team, based at UCL, had already found that prostate cancer cells have more of the NAALADL2 molecule on their surface compared to cells from healthy tissue.
A pancreatic cancer vaccine could be made of whole pancreatic cancer cells, treated so they can't replicate, but modified to present certain molecules on the surface of those cells.
The idea is, you have your active molecules on the surface, and you excite electrons down in the solid with ultraviolet light so that they rise up to the surface molecules to drive chemical reactions.
This fact makes vacuum UV light extremely useful for industrial applications from sterilizing medical devices to cleaning semiconductor substrates because when it strikes oxygen - containing molecules on a surface, it generates highly reactive oxygen radicals, which can completely destroy any microbes contaminating that surface.
The research group lead by Prof. Daniela Finke found that ILC3s take up antigens and present these via so - called MHC molecules on their surface.
She was suggesting that Europa's ocean was not its only source of liquid water; the moon also harbored hidden lakes far closer to vital molecules on the surface, perhaps close enough to support miniature habitable ecosystems.
Astronomers have known about Europa's biological trifecta for almost two decades, yet there have always been doubts: For Europa to support life, the vital molecules on the surface need to mix with the water and energy below, and there is a giant slab of ice lying in between.
The protein, which the researchers have dubbed EroS, is an enzyme that cuts sugar groups off protein molecules on the surface of the choanoflagellates.
She started pestering Brown with questions about Europa's ocean, its ice shell, and the molecules on its surface.
But Titan is particularly intriguing because it has abundant organic molecules on its surface.
They may also induce the production of antibodies that bind to molecules on the surface of cancer cells.
«Since nanoparticles started to be implemented in the first prototype devices, people have asked what's going on at the surface and how we can adjust properties by changing the organic molecules on the surface,» says Zherebetskyy.
The «lock» molecules on the surface are highly selective and only absorb the matching «key» molecules.
«Scrutinizing the tip of molecular probes: Nature of interaction of probe molecules on the surface of oxide particles elucidated.»
In a new study published in EPJ Plus, Stefan Frunza from the National Institute of Materials Physics in Romania and colleagues have discovered the properties of the surface layer in probe molecules on the surface of oxide particles.
T - cells recognize and remove germs using a molecule on their surface called the T - cell receptor.
A rare sugar unit called ribitol 5 - phosphate was found within the sugar molecules on the surface of muscle cells.
5 sessions run in parallel for the whole week to cover a broad range of topics from graphene to molecules on surfaces, from surface magnetism to oxide surfaces and interfaces.
This could be good news for any life under the ice: such movements would deliver organic molecules on the surface to oceans that are otherwise completely sealed off.
In thinking about what molecules on the surfaces of cells had both the plasticity and molecular complexity to explain developmental programs, I knew it had to be the glycans.
«Soft Landing of Complex Molecules on Surfaces
Using soft - landing techniques, researchers can get the molecules they want and deposit only those molecules on a surface.
At the 2013 Conference the winner of the 2011 Feynman Prize for Experimental work presents STM studies showing how the manipulation of single molecules on a surface can yield insights to their mechanical, electronic, and optical properties, and be used in a controlled way to build pre-defined molecular architectures.
«You wind up with particles that have defect sites, slightly different shapes and crystal structures that make them absorb light and molecules on their surfaces a little differently.»
«We need better tools to measure charge states of catalytic molecules on surfaces
A significant percentage of children and young adults with treatment - resistant B - cell leukemia achieved remission through a new CAR T - cell gene therapy that destroys cancer cells with the CD22 molecule on its surface.
In just the past few years, researchers have learned to pick up a molecule on the tip of an AFM, which we can think of as the needle on a record player, and reveal chemical bonds while imaging molecules on surfaces.
Monoclonal antibodies (mAbs) are special «magic bullets» that can be manufactured to recognize target molecules on the surface of cancer cells.
The snappily - named planet lies around 124 light years — a mere 729 trillion miles — from Earth in the Cygnus constellation and in 2014 scientists detected water molecules on its surface.
Recently, among surface coatings there is an increasing interest in using carbohydrates as biomimetic functional molecules on the surface of nanoparticles [2], [6]- [8] for the diagnosis and treatment, for instance, of brain diseases like glioma and stroke [9], [10].
A foundational discovery made in the 1980s elucidated the role of a molecule on the surface of T cells, the body's elite assassins trained to seek, spot and destroy invaders.
receptor sites: molecules on the surface of the body's cells that allow specific hormones to pass into the cell (via a lock - and - key effect) to perform their regulatory function.
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