Sentences with phrase «allow ions»

Then, roughly 400,000 years after the Big Bang, the universe entered an era of «recombination,» wherein it cooled down enough to allow ions to recombine into atoms.

Then, roughly 400,000 years after the Big Bang, the universe entered an era of «recombination,» where it cooled down enough to allow ions to recombine into atoms.

After being activated by an external signal, potassium channels open to allow ions through.

One theory is that these protein clusters create pores in nerve cell membranes that allow ions to travel in and out uncontrollably.

Like other hybrid perovskites, its crystalline structure contains many vacancies, or missing atoms, which have been suspected to allow ions to move readily within the material when a voltage is applied.

Bound to the cell membrane, Na ± K+ATP ase uses the energy of adenosine triphosphate (ATP) molecules to pump sodium out of the cell and potassium into the cell, maintaining a charge gradient that allows ions to flow through open channels.

The interwoven geometry is instrumental to the energy storage benefits, Wang says, because it allows the ions to access more of the material overall, approaching the «theoretical limit.»

The new battery, described online February 28 in Joule, contains a special kind of electrolyte that allows ions to flow easily between electrodes even in the bitter cold.

Electrolytes are essential in rechargeable batteries because they close the circuit inside the batteries by allowing ions to transfer; otherwise, the battery can't continue to conduct electricity from the positive to the negative poles and back again.

Inside, a chunk of ceramic acts as an electrolyte, allowing ions to transfer between air and fuel and so pushing power around an external circuit.

This cationic region draws in water's oxygen atoms and allows the ion to reside peacefully in the liquid.

Not exact matches

MONTREAL / SINGAPORE, April 27 - New global packaging standards expected in late 2018 will allow lithium - ion batteries back into passenger plane cargo holds, pending design and regulatory approval, but some airlines say the new rule overlooks other safety concerns.

The Federal Aviation Administration does not allow spare lithium ion batteries in checked luggage.

With the cost of renewable energy and lithium ion batteries falling in price aided by regulation and technological advances, this level of capital destruction can not be allowed to happen again.

Jonah and the whale... there is no fish or whale ion the planet that a person could live in for three days.The individual would be suffocated, and any whale that is large enough to fit a human inside, their throt is far to small to allow it.

The researchers found that puffing activated a mechanosensitive channel protein called TRPV4, which is enriched in the membrane of neuronal axons and allows calcium ions to enter the cell.

It purifies the air with negative ions, tracks your air quality, temperature, and moisture levels and allows you to create charts and see changes over time.

It is well edited by Ion Trewin and the rules of the «off the record» game have been respected by allowing those who don't want to be published to refuse their permission, an option which has been taken by Tony Blair and Roy Hattersley amongst others.

This allowed them to track changes in calcium ion concentrations in the cells around wounds in living tissue (as opposed to the cell cultures used in many previous wound response studies) and to do so with an unprecedented, millisecond precision.

This belt driven turntable comes equipped with a rechargeable lithium - ion battery that allows you to take it with you anywhere.

These are microscopic gates that allow neighboring cells to exchange ions, molecules and electrical impulses quickly and directly.

This provides a way to discover new materials with enhanced ion mobility, allowing rapid charging and discharging.

Coupling an ion that can be cooled by lasers to one that can not allows high - precision spectroscopy of any element and can provide atomic clocks.

Benzodiazepines act on GABA receptors, making them stay open longer and allowing more negative ions into the cell that can inhibit communication between the cells.

As for endurance, Alvin's lead - acid batteries will be replaced with lithium - ion batteries allowing up to 12 hours of operation.

The selectivity filter is the functional unit that allows K + channels to distinguish potassium (K +) and sodium (Na +) ions.

Precise ion traps which were developed for metrological applications hereby allow a great control of the ultra-cold particles and of the ambient parameters.

While the car is braking, the system is in generator mode, allowing it to convert kinetic energy to electricity, which is stored in a bank of lithium - ion batteries.

In a paper published in Nature in 2016, Monroe and colleagues debuted a five - qubit quantum computer, made of ytterbium ions, allowing scientists to carry out various quantum computations.

To avoid death, cells must remove fluoride that has accumulated inside them, a process accomplished via ion channels - protein tunnels through the cell membrane that only allow specific substances to pass through.

(Ion channels are passages through a cell's membrane that allow charged particles, or ions, into or out of the cell.)

Ion channels are biomolecules that allow charged atoms to flow in and out of cells, and they are an important work - horse in cell signaling, sensing, and energetics.

Calcium ions enable cells to communicate with one another, allowing neurons to interact, muscles to contract, and the heart's muscle cells to synchronize and beat.

An ultraviolet laser frees the ATP, allowing it to rush into the ion channels of the modified neurons.

When exposed to capsaicin, these receptors open to allow in sodium and calcium ions, causing the receptors to transmit that hot signal to the brain.

«In this current study, we've shown that by opening the TRPV1 channel to allow calcium ions to enter the cell, we can turn on a gene.

Atypical receptors appeared on the surfaces of neurons and allowed calcium ions inside the cells.

These atypical AMPA receptors were missing a key subunit, called GluA2, that caused a change in shape and allowed calcium ions to enter the cell.

The binding of positively charged calcium ions in its vicinity opens the channel and allows negatively charged chloride ions to permeate across the membrane.

«However, because of their amazing chemical and physical properties, they allow frictionless passes of water through the pores, but reject most salts, ions, and pollutants, giving us purified water, probably in its best form.»

This allows for a larger flow of potassium ions that are leaving the neuron,» the authors note.

Michael Metzger, researcher at the Technical University of Munich (TUM), shows the core of his new battery test cell: A glass ceramic membrane, coated with aluminum and plastic, allows only lithium ions to pass through.

Ion channels are generally selective for certain ions, allowing specific types of ions to flow through at very high rates, while hindering the flow of others.

They then made amyloids by allowing copies of each peptide to clump together, adding zinc ions to help the process along.

Because miniature paper balls are conductive and allow lithium ions to flow rapidly along their surface, the scaffold creates a continuously conductive, dynamic, porous network for lithium.

The researchers who have conducted the study have previously discovered that naturally occurring resin acids can regulate an ion channel that allows the passage of potassium ions.

Ion channels are small openings in the cell membrane of nerves that open and close like doors, in order to allow electrically charged ions to enter or exit.

But the steady, gentle thrust of Dawn's ion engines allowed flight engineers to program a trajectory for the probe that gradually matched Vesta's path around the sun.

The culprit was a faulty version of a gene that makes pores which allow chloride ions in and out of cells.

When two electrolytes, each containing ions with different oxidation states, are allowed to exchange charges, the result is an electric current.