Sentences with phrase «by a membrane»

Living cells are surrounded by a membrane that tightly regulates what gets in and out of the cell.

The material is typically selected and provided by the membrane manufacturer.

Thus, distribution and mobility of specific lipid species at the plasma membrane appears to precisely regulated by membrane - associated proteins.

The cut - off is supposedly the molecular weight of the molecule that has a 90 % rejection by the membrane.

All living cells are held together by membranes, which provide a barrier to the transport of nutrients.

In effect, the properties of both proteins and drug molecules can be modified by the membrane's environment.

The toes are connected by a membrane, allowing the foot to spread.

Most cellular compartments are surrounded by membranes, but some aren't.

An interior compartment has two reservoirs separated by a membrane.

All cells are bounded by a membrane of their own making.

The discovery suggests limiting concentrations of PIP2 in cell membranes could help keep the harmful K - Ras protein hidden by the membrane in the «off» position.

In mammals, iron is imported into cells by the membrane transport protein DMT1.

Immunological Invisibility Cloak Among them is Joel Linden, Ph.D., who recently reported that jamming signals transmitted by membrane proteins called adenosine receptors, which are expressed on T cells and on specialized cell - killing cells called NK cells, made both cell types more effective in halting lung metastasis of melanoma cells.

Over the last few years, research work in Japan, Great Britain and the USA has provided growing evidence of the unexpected role played by membrane lipids.

How Omega - 3 Fatty Acids Work Each cell in our body is encased by a membrane made primarily of fatty acids, such as omega - 3 fatty acids.

These vibrations are turned into sound by the membranes which echo back and forth on the coiled springs.

A minimum.25 mm (10 mil) thick slip sheet of woven polypropylene or other non-moisture holding material to be installed above the insulation and below the green roof modules, as specified by membrane manufacturer.

The protein level of the milk can be adjusted by membrane filtration techniques or by adding skim milk powder.

The pump also has a kit, separate from the pumping mechanism, which is protected from overflow by a membrane.

When calcium was administered directly into the cytoplasm, however, the IgG - treated cells exhibited normal exocytotic secretion, as assayed by membrane capacitance measurement.

BK channels are regulated by both membrane voltage and intracellular Ca2 +.

All mammalian cells are surrounded by a membrane covered in polyvalent choline phosphate, or PC - groups, that repel aqueous particles, protecting the cell from the environment.

In living cells, most floating structures are enclosed by membranes that help them retain their shape in the cells» watery cytoplasm.

CME is initiated by the binding of a ligand to a receptor, followed by membrane invagination, coating of the invagination by the triskelion shaped protein clathrin, and budding off of the clathrin coated vesicle.

Knowing that an egg's shape is determined not by the shell itself but by the membrane inside, Stoddard worked with Harvard University physicist L. Mahadevan and his student Ee Hou Yong to come up with a mathematical representation based on the membrane's properties and how much pressure it received — from the developing chick on the inside.

A toad's or frog's stomach, like ours, lies somewhat left of center, held in place on either side by membranes.

Eukaryotic cells are compartmentalized by membranes, whose shape and dynamics are precisely regulated to maintain their correct functions.

Osmotic pressure, the pressure that develops in a solution separated from a solvent by a membrane permeable only to solvent, was first described by Abbé J.A. Nollet, who became professor of experimental physics at the College of Navarre.

Rapoport now wondered how a polypeptide's zip - code like signal sequence is recognized by the membrane and how the polypeptide then moves through the membrane.

During interphase, chromosomes are isolated from the cytoplasm by a membrane, the nuclear envelope, and fill the entire nuclear space as loosely organised chromosome territories.

Re the B12 deficiency, Sante (German company) have just marketed a toothpaste with B12 in it as it is absorbed by the membranes in the mouth even if not absorbed well via digestive tract etc..

During normal development, a puppy's eyes are enveloped by a membrane which stretches and breaks away by 8 weeks of age.

They were «inspired by the membrane formed when a water stream hits a smooth surface (e.g., a spoon).»

Do not use duct tape or adhesive for seaming that is not approved by the membrane manufacturer.

The team decided to try out the concept in a simpler form before making their ultimate goal, a version where both sides (the positive and negative electrodes) are liquid and flow side by side through an opening while separated by a membrane.

In a collaborative 2015 Molecular Cell paper, she describes how a disordered region of the Ddx4 protein forms sub-cellular organelles that are not bound by membranes.

Sunlight - Driven Hydrogen Formation by Membrane - Supported Photoelectrochemical Water Splitting N. Lewis presented by K. Papadantonakis

Photosystem II is found in the thylakoid, a compartment in chloroplasts and cyanobacteria surrounded by a membrane.

Second, eukaryotes contain various organelles, internal compartments partitioned off from the rest of the cell by membranes.

Cells divide up their function within distinct cellular structures called organelles, which traditionally thought of as being encased by membranes.

For Protected Membrane Roof Assemblies, we recommend a minimum.25 mm (10 mil) thick slip sheet of woven polyethylene or other non-moisture holding material to be installed above the membrane and below the insulation, as specified by membrane manufacturer.

Let's say you have two containers, separated by a membrane that allows water to pass through (but shuts out other substances, like salt).