Sentences with phrase «as the electrodes with»

In this case, the array of sensors was formed of 21 ion - selective electrodes, including some with response to cations (ammonium, sodium), others with response to anions (nitrate, chloride, etc.), as well as electrodes with generic (unspecified) response to the varieties considered.

Led by Prof Coleman, in collaboration with the groups of Prof Georg Duesberg (AMBER) and Prof. Laurens Siebbeles (TU Delft, Netherlands), the team used standard printing techniques to combine graphene nanosheets as the electrodes with two other nanomaterials, tungsten diselenide and boron nitride as the channel and separator (two important parts of a transistor) to form an all - printed, all - nanosheet, working transistor.

Not exact matches

The EEG was recorded at a 500 - Hz sampling rate from nine channels (F3, F4, C3, Cz, C4, P3, P4, T3, and T4), with the average of the mastoid electrodes used as a common reference.

As with Tesla, the details remain confidential, but the idea is to take coatings normally used to improve the longevity of artificial joints, and apply them to making batteries with dry electrodes.

Then, Feng recognized a novel opportunity to directly measure whether tDCS generates EFs in deep brain areas among patients with movement disorders such as Parkinson's disease, who are often treated by implanting DBS electrodes.

Turning a knob with a gloved hand, he nudged a metal electrode nearly as fine as a red blood cell closer to an ice crystal.

The prosthesis proposed by John Pezaris, an assistant in neuroscience at Massachusetts General Hospital (MGH) in Boston — at least as it's envisioned at this early stage — would be worn like a pair of eyeglasses, with digital cameras over a person's eyes that connect to an array of electrodes implanted in the brain.

Used as a counter electrode in a dye - sensitized solar cell, the material enabled the cell to convert power with up to 6.8 percent efficiency and more than doubled the performance of an identical cell that instead used an expensive platinum wire counter electrode.

To ensure safety, additives to electrolytes, such as nanodiamonds, need to be combined with other precautions, such as using non-flammable electrolytes, safer electrode materials and stronger separators.»

Using sunlight to create fuels (such as hydrogen on the other electrode in this solar cell) with inexpensively prepared electrodes may provide a solution to the intermittency drawback of solar energy.

«High treatment effectivity is associated with strong connections between the DBS electrode and specific frontal areas of the brain, such as the «supplementary motor area»,» says Dr. Horn.

Schroeder and colleagues have caught this action in monkeys» brains, and more recently, in people implanted with electrodes as part of epilepsy treatment.

Miller and colleagues saw this push - and - pull action in the brains of monkeys with implanted electrodes as the animals completed a tricky memory task, one that required the monkeys to hold several pieces of information in their minds at the same time.

In a new study by Flesher et al., microelectrode arrays were implanted into the primary somatosensory cortex of a person with spinal cord injury and, by delivering current through the electrodes, generated sensations of touch that were perceived as coming from his own paralyzed hand.

With nowhere else to go, the charge on the electrode eventually conducts into the air around it as bolts of electricity.

As part of the visit, researchers attached (with parental consent) electrodes to each child's torso to collect physiological data, including information about heart rate and vagal tone.

«Being able to tell if there is a tendency for a reaction to take place in a specific part of the electrode, and better yet, the location of reactions within individual nanoparticles in the electrode, would be extremely useful because then you could understand how those localized reactions correlate with the behavior of the battery, such as its charging time or the number of recharge cycles it can undergo efficiently,» Cabana said.

The new approach uses yarns, made from nanowires of the element niobium, as the electrodes in tiny supercapacitors (which are essentially pairs of electrically conducting fibers with an insulator between).

These act as electrodes and additionally are coated with catalysts.

The patented method involves placing the electrode of the device close to the skin, with the skin itself acting as the second electrode.

One group had tDCS during the training sessions, while the other group acted as a control: they were fitted with electrodes but did not receive tDCS.

Wachsman and his research colleagues have also published details in Science on a potential path toward SOFCs that operate at temperatures as low as 350 degrees C with a new design that features high - conductivity electrolytes and a specially nanostructured electrode.

As aniconic image of human rights abuse, it is hard to equal: a hooded man with electrodes attached to his fingers stands precariously on a small box.

Over time, with rigorous training, the rats were able to walk again as long as the electrodes were turned on.

Batteries that have solid - state electrolytes work in high temperatures, but the electrolytes don't connect as well with electrodes, which hurts performance.

In a semi-transparent solar cell module as shown in the photograph, electrodes with two variants of the polymer PEDOT: PSS (commonly used in organic electronics) are used, where one acts as the anode and the other is modified to become the cathode.

The idea behind Taylor's implant is to exploit electrodes that have the same fractal shape as the neurons with which they will interact.

As a potential contact electrode and interconnection material, wafer - scale graphene could be an essential component in microelectronic circuits, but most graphene fabrication methods are not compatible with silicon microelectronics, thus blocking graphene's leap from potential wonder material to actual profit - maker.

Having outfitted the twelve participants with electrode caps, the researchers used a measure of the brain's electrical activity known as event - related brain potentials (ERPs) to monitor their physiological responses to different outcomes.

When those metals come into contact with sweat, saline or even fluid discharges from wounds, silver acts as the positive electrode and zinc serves as the negative electrode — and electricity flows between them.

In their experiment, they found that as they flushed their aqueous electrolyte with air, and alternately with CO2, between their porous electrodes, a supply of electricity began to build up.

When working with nano structures such as atoms, which measure only 0.3 nanometers, three electrodes would inevitably cause a short - circuit.

In 1964, José Delgado, a neuroscientist from Yale University, stood in a Spanish bullring as a bull with a radio - equipped array of electrodes, or «stimoceiver,» implanted in its brain charged toward him.

In their investigation, the researchers spotted defects such as holes in the electrode with up to 100 microns (0.1 millimetre) diameter.

Researchers hope the material could one day be used to replace metallic, implanted neural electrodes with biopolymer electrodes that soften as soon as they touch moist neural tissue, thus avoiding damage to the fragile brain.

The researchers also received detailed instructions on how to grapple with a major technical challenge: Electrodes in patients» brains often detect pulses from two or more nearby neurons at the same time, which may show up in the computer as one big signal.

Since then more than 100 of his epileptic patients with electrodes implanted in their brains for diagnostic purposes have volunteered as subjects for basic research.

These electrode surfaces are coated with what are known as Faradaic materials, which can undergo reactions to become positively or negatively charged.

However, it remains a grand challenge to develop electrically rechargeable batteries, with the stumbling blocks being the lack of efficient and robust air catalysts, as well as the limited cycle life of the zinc electrodes.»

Using brain data crowdsourced from 22 epilepsy patients with implanted electrodes, researchers from the University of Pennsylvania led by Danielle Bassett have developed a series of algorithms that can predict where in the brain a seizure will originate and which groups of neurons it will likely spread to as it grows.

A researcher at The Hong Kong Polytechnic University (HK PolyU) has developed the first - ever made semitransparent perovskite solar cells with graphene as electrode.

The UMass Amherst teams knew from previous studies that Geobacter grow electrically conductive filaments known as microbial nanowires, which can transport electrons outside the cell to make electrical connections with minerals, electrodes or other cells.

They found that the activity picked up by the electrodes at the two «hot spots» tracked with peak activity at these sites, as measured by fMRI.

Zhaolin Liu and Yun Zong of the A * STAR Institute of Materials Research and Engineering decided to investigate tellurium — a metalloid element with similar chemistry to sulfur and selenium — as an electrode material.

Researchers administered electric shocks with electrodes attached to the wrists of 160 subjects, starting at an almost imperceptible level and amping up until the subject described the pain as intolerable.

During the treatments, the women wore skin monitors with electrodes and kept diaries of when they had hot flashes, how often, how severe they were, and what might have triggered flashes, such as stress, spicy foods or being in a hot room.

Other methods of interfacing with the brain via electrodes include those put on the scalp for electroencephalography (EEG) and ones placed under the skull on the brain's surface, known as electrocorticography (ECoG).

Scientists have traditionally studied the neural basis of behavior in live animals by using techniques such as stimulating neurons with electrodes.

As of 2010, 30,000 people have had electrodes implanted in their brains to help them cope with Parkinson's disease.

To obtain good performance with a simple process and reduced cost, we designed a modulus - gradient structure to use graphene as both the highly sensitive strain - sensing element and the insensitive stretchable electrode of the ECD layer.