Sentences with word «bilayer»

At the University of California, Santa Barbara, chemical engineers have developed a way to directly observe both the forces present and the behavior that occurs during cell hemifusion, a process by which only the outer layers of the lipid bilayer of cell membranes merge.

He then made another switch while at Harvard University, from a medical degree to the pursuit of a scientific career, and with the guidance of the brilliant Eugene Kennedy he investigated how the lipid bilayer of cell membranes is formed.

«We're very interested in bilayer graphene because of the number of states we are detecting and because we have these mechanisms — like tuning the electric field — to study how these states are interrelated, and what happens when the material changes from one state to another.»

In the January paper, Abanin and Papić reported novel types of FQHE states that could arise in bilayer graphene — that is, in two sheets of graphene laid one on top of another — when it is placed in a strong perpendicular magnetic field.

The dietary balance of omega - 6 to omega - 3 fatty acids, which compete for incorporation into the phospholipid bilayer of cellular membranes, is integral for restoration of immune health and for prevention of long - latency, chronic, and degenerative diseases.

Such protein pores have desirable proportions, but the lipid bilayer membranes in which they are inserted are akin to a film of soap, which leaves much to be desired in terms of durability and robustness.

It tracks changes in the activity of a small protein (the gramicidin channel) coupled to a fluorescence signal as a way of monitoring changes in lipid bilayer properties, a correlate for toxicity.

«Many other scientists have exploited the ability of lipids to self - assemble into bilayer vesicles with properties reminiscent of cellular membranes, but until now no one has been able to mimic nature's ability to support persistent phospholipid membrane formation,» he explained.

Until some ten years ago, text books on cell biology would show the cellular membrane as a homogenous lipid bilayer with randomly inserted membrane proteins.

I discovered that hopanoids interact with glycolipids in bacterial outer membranes to form a highly ordered bilayer in a manner analogous to the interaction of sterols with sphingolipids in eukaryotic plasma membranes (Saenz et al., 2015).

«For completeness sake, Ebola virus is a lipid - enveloped virus and gets its lipid bilayer coat from the human cell it infects.

Using bilayer and trilayer graphene, IBS scientists also discovered that the reagents can pass between the layers, and hydrogenate each layer equally well.

The group was the first to show that monolayers of two different types of metal chalcogenides — binary compounds of sulfur, selenium or tellurium with a more electropositive element or radical — having such different lattice constants can be grown together to form a perfectly aligned stacking bilayer.

Initially, we synthesized monometallic and bimetallic nanoparticles by solid state dewetting of copper and copper - silver bilayer films to form mono and bimetallic particles on oxidized silicon substrates.

Marassi's lab developed methods for reconstituting BCL - 2 proteins in lipid bilayer nanodiscs that mimic the mitochondrial outer membrane.

This study shows that the amphipathic nature of the heptad repeat domain 1 (HR1) of Mitofusin perturbs the lipid bilayer structure to drive mitochondrial fusion.

Upon characterizing their new bilayer building block, the researchers found that the two mismatched layers had self - assembled into a repeating long - range atomic order that could be directly visualized by the Moiré patterns they showed in the electron microscope.

The title of the paper is «Twisted MoSe2 Bilayers with Variable Local Stacking and Interlayer Coupling Revealed by Low - Frequency Raman Spectroscopy.»

«Low - frequency Raman spectroscopy, in combination with first - principles modeling, offers a quick and easy approach to reveal complex stacking configurations in the twisted bilayers of a promising semiconductor, without relying on other expensive and time - consuming experimental techniques,» said co-lead author Liangbo Liang, a Wigner Fellow at ORNL.

Drug - carrying liposomes, made with lipid bilayers resembling those in cells, are used commercially to ferry drugs to cancerous tissues in patients.

Changes to the properties of the lipid bilayer component of the cell membrane can alter the function of proteins embedded in the membrane — proteins that regulate critical functions such as transport of materials in and out of the cell and communication with other cells.

This is gramicidin, a membrane - spanning protein used to monitor lipid bilayer disruption in the Gramicidin - Based Fluorescence Assay.

The basic structure of SiC is a silicon - carbon bilayer in which silicon atoms sit on top of hexagons of carbon.

Graphene sorts into single layer sheets toward the top, then bilayer sheets, trilayer, and so on.

When the buffer is placed on top of the CNT FET, the voltage across the device causes the molecules in the buffer to arrange into an electrically stable bilayer above the transistor.

When the normally flat bilayer of the cell membrane gets drastically curved, scientists call it membrane remodeling.

«It turns out those cells were dying during the printing process, because mammalian cells are basically lipid bilayer balloons,» Yuk says.

«This is the first time observing fluorescent images during a hemifusion process simultaneously with how the combined thickness of the two bilayers evolve to form a single layer,» said Lee.

It's still early, but it looks as if bilayer graphene may be the magic material that allows this kind of qubit to be built.

Beyond that, there's a wide range of even more exotic research under way — quantum computing, DNA computing, spin wave devices, exitonic field - effect transistors, spin torque majority gates, bilayer pseudospin field - effect transistors, and more.

A fatty, two - dimensional bilayer pairs with a protein - rich cytoskeleton to form the membrane.

Testing the theory with experiments on soap bubbles, we observe the film pattern selection to mimic that of the elastic wrinkling morphology on a curved elastic bilayer in regions of slow viscous flow.

The excitonic resonances the group observed are tunable from the mid-infrared to the terahertz range, making bilayer graphene of potential interest in the development of new kinds of lasers and detectors.

The title of the paper is «Two - dimensional GaSe / MoSe2 misfit bilayer heterojunctions by van der Waals epitaxy.»

For this experiment, Wang constructed bilayer graphene encapsulated in a hexagonal lattice of boron nitride.

These techniques enable Burke and his lab to elucidate the structure and function of the lipid - targeting kinases at the cell's plasma membrane, a complex bilayer of lipids, proteins and carbohydrates that separates the cell's internal space from the external environment.

Infrared light illuminates bilayer graphene and create an exciton — a pairing of electron and hole, locating mostly at the top and bottom layers, respectively, of carbon atoms.

1,2 - Dipalmitoyl - sn - glycero -3-phosphocholine (DPPC) enriched gel domains are grown by cooling 1,2 - dioleoyl - sn - glycero -3-phosphocholine (DOPC): DPPC bilayers into the solid - liquid phase coexistence region and are visualized with fluorescence microscopy.

The microcapsules had five or five and a half bilayers placed around a 4 - micrometer silica particle.

Cross-linked and pH sensitive supported polymer bilayers from polymersomes - studies concerning thickness, rigidity and fluidity.

The O - poor Silica / Ru (0001) is prepared by annealing the freshly synthesized silica bilayer to 1,100 K.

Excellent candidates for these cages are found in 2D (alumino) silicate bilayer frameworks, consisting of an array of polygonal prisms forming a 2D self - containing structure, that interacts weakly with a single crystal metal substrate onto which is grown5, 6,7.

In addition to their antioxidant actions within LDL and HDL cholesterol, the vitamin E isomers reside in lipid bilayers where they not only act as antioxidants, but affect cell signaling, membrane - resident enzymes and other membrane - dependent processes.

The outer surface of every cell of the body is a lipid or fat bilayer.

We added extra organelles to the model, and we even created a realistic cell membrane that mimics the lipid bilayer found in real membranes.

They achieved this by integrating a conventional solid - state complementary metal - oxide - semiconductor (CMOS) integrated circuit with an artificial lipid bilayer membrane containing ATP - powered ion pumps, opening the door to creating entirely new artificial systems that contain both biological and solid - state components.

The researchers also emphasized that changes in bilayer properties are not inherently negative.