Sentences with phrase «by electrochemical»

The second part is a polymer with optical absorption controllable by an electrochemical potential.

They include the use of catheters (for anterograde or retrograde infusion) and direct injection (percutaneous intramyocardial or surgically invasive administration) aided by electrochemical mapping (16).

The glucose extracted via reverse iontophoresis reacts with glucose oxidase to produce hydrogen peroxide, which is then detected by the electrochemical sensor.

Similar results were obtained by electrochemical voltammetric in situ detection of DNA oxidative damage caused by the reduced anthracycline doxorubicin, a classical chemotherapeutic which intercalates into DNA [81].

«Hydrogen (H2) produced from water splitting by an electrochemical process, called water electrolysis, has been considered to be a clean and sustainable energy resource to replace fossil fuels and meet the rising global energy demand, since water is both the sole starting material and byproduct when clean energy is produced by converting H2 back to water,» the researchers wrote.

In solution, the salt dissociates into silver cations, allowing production of silver metal deposits by electrochemical reduction reaction using solvated secondary electrons rather direct molecular decomposition.

«Super-strong graphene oxide: In situ bandgap tuning of graphene oxide achieved by electrochemical bias.»

Not exact matches

But the electric system remains Edison's grandest achievement: an affordable and reliable supply of electricity has opened doors to great second - order innovations ranging from medical diagnostic devices to refrigerators, from massive electrochemical industries to tiny computers governed by microchips.

Those jolts are electrochemical responses in your synapses that are caused by levels of things like seratonin, oxytocin, endorphins, and the like.

Neuronal activity typically requires sensory input — for example, a taste or smell — that gets received by neurons» dendrites and then transmitted as an electrochemical message to other cells via long axons.

After electrochemical treatment with an organic acid and spin - coating with a polymer layer, the h - BN was electrochemically exfoliated by generating hydrogen bubbles at the rhodium surface.

By mixing DNA with an electrochemiluminescent (ECL) agent, a mixture that lights up after electrochemical reactions take place, and exposing it to extracts from cigarette smoke and e-cigarette vapor, the chemists were able to spot DNA damage.

The team triggered a reversible electrochemical reduction and oxidation (redox) reaction at the GO / zirconia interface by applying a dc voltage.

The UMD and UMB team, led by research associate Eunkyoung Kim, used a discovery - driven approach based on the assumptions that chemical biomarkers relating to oxidative stress could be found in blood, and that they could be measured by common electrochemical instruments.

The investigators hope to improve even further on these electrochemical properties by optimizing their process and allowing for doping or modification of the raw materials.

The change is translated into an electrochemical signal that is picked up by nerve cells, which relay it to the brain.

In it, they describe a process by which nanodiamonds — tiny diamond particles 10,000 times smaller than the diameter of a hair — curtail the electrochemical deposition, called plating, that can lead to hazardous short - circuiting of lithium ion batteries.

Even the smallest changes in the ratio between iron and nickel by varying the synthesis conditions or the ageing of the material considerably changed the activity in the electrochemical hydrogen formation.

USC professor Sri Narayan's research focuses on the fundamental and applied aspects of electrochemical energy conversion and storage to reduce the carbon footprint of energy use and by providing energy alternatives to fossil fuel, Wednesday, June 10, 2014 in Los Angeles.

Searching for a better way to isolate metal titanium, a team led by materials chemists George Zheng Chen and Derek Fray of the University of Cambridge in the United Kingdom came up with an electrochemical technique, they report in the 21 September issue of Nature.

Under House's proposal, hydrochloric acid would be harvested from the ocean by a specialized electrochemical treatment and then exposed to silicates, resulting in a net alkalizing shift.

Here we report an iridium oxide / strontium iridium oxide (IrOx / SrIrO3) catalyst formed during electrochemical testing by strontium leaching from surface layers of thin films of SrIrO3.

Afyon currently works as a project leader in a research consortium led by Jennifer Rupp, professor of electrochemical materials, focused on developing an innovative solid - state battery.

The electrochemical device produces electricity directly by oxidizing — read, slow burning — fuels.

By systematically varying the ratio of lithium to a transition metal, like trying different amounts of ingredients in a new cookie recipe, the research team was able to study the relationship between the surface and interior structure and to measure the electrochemical performance of the material.

The electrochemical reactions inside the porous electrodes of batteries and fuel cells have been described by theorists, but never measured directly.

Unlike the electrochemical reaction claimed by Stanley Pons and Martin Fleischmann in 1989, the Japanese reaction relies on solid - state physics.

Bazant says researchers had not suspected, despite extensive research on lithium iron phosphate, that the material's electrochemical reactions might be limited by electron transfer between two solids.

A paper - based device that mimics the electrochemical signalling in the human brain has been created by a group of researchers from China.

Established in the southern central Andes by 1800 BC, indigenous metalsmiths quickly mastered such sophisticated techniques as smelting, gilding, electrochemical deposition, and the production of silver - copper alloys.

The neurons then attempt to restore their resting electrochemical balance by absorbing water, resulting in brain swelling.

Another research group at Berkeley Lab is tackling this challenge by focusing on a specific component in a photovoltaic - electrochemical system.

In 1991 Aomar Halimaoui at France's National Telecommunications Research Centre in Grenoble and collaborators from Joseph Fourier University in Grenoble began to suspect that the flash of red - orange light he had noticed in earlier studies of the electrochemical oxidation of porous silicon by hydrochloric acid was a form of electroluminescence.

The presence of FLG in the mixture tested by the WMG University of Warwick led researchers to hypothesize that this phenomenon is highly effective in mitigating electrochemical silicon fusion.

Production of drop - in fuel from biomass and electric energy by combined microbial and electrochemical conversion.»

Led by Laboratory Fellow Dr. Julia Laskin, scientists at Pacific Northwest National Laboratory have now found a way to carefully design technologically important interfaces by soft landing active molecules onto a small solid - state electrochemical cell.

Above, we saw that the efficiency of the reaction is determined by the voltage drop across the electrochemical cell.

Kehr, J.; Hu, X.J.; Yoshitake, T.; Scheller, D. Determination of the dopamine agonist rotigotine in microdialysates from the rat brain by microbore column liquid chromatography with electrochemical detection.

Several promising earth - abundant low band - gap TMO compounds with desirable band edge energies and electrochemical stability are identified by our computational efforts and then synergistically evaluated using high - throughput synthesis and photoelectrochemical screening techniques by our experimental collaborators at Caltech.

Detection of the damage caused to DNA by niclosamide using an electrochemical DNA - biosensor.

The investigation of the niclosamide - DNA interaction using an electrochemical DNA - sensor showed for the first - time clear evidence of DNA binding and suggested that niclosamide toxicity can be caused by this effect, which is observed after reductive activation and transacetylation of the drug [79].

The innovative aspect of this activity was the notion that the concept of macroscopic devices could be extended to the molecular level, and that it was possible to design supramolecular systems that, upon stimulation with external energy stimuli such as UV / Visible light, are capable of performing a variety of specific functions: (i) systems for information processing (e.g., wires, switches, antennas, plug / socket systems, extension cables, memories, logic gates, encoder / decoder, rudimentary neuron - like systems), (ii) devices that when powered by chemical energy or electrochemical energy or by light exhibit machine - like behavior (e.g., piston / cylinder systems, shuttles, lifts, rotary rings, dendritic photo - switchable boxes), and (iii) components for artificial photosynthetic systems.

Determination of morphine in urine by solid - phase immunoextraction and high - performance liquid chromatography with electrochemical detection.

By definition, an automotive battery is an electrochemical device that stores and provides electrical energy on demand.

A low - cost, nanostructured composite material developed by researchers at UC Santa Cruz has shown performance comparable to Pt / C as a catalyst for the electrochemical splitting of water to produce hydrogen.

Defense counsel and appellate counsel for a large medical device company owned by a Fortune 500 company in a patent infringement suit involving methods of using electrochemical sensors for blood glucose monitoring.

The mission of the Court was to determine the reliability of the infrared / electrochemical device insofar as the Attorney General of the State of New Jersey had adopted the machine for use by law enforcement throughout the state.

The electrochemical test is automatically conducted by the Alcotest following the infrared radiation test.

Backed by 7 - year warranty, First Alert features reliable electrochemical carbon monoxide and photoelectric smoke sensors.

Performed surface engineering of 3D carbon microstructures by integrating carbon nanotubes (CNTs) and graphene for electrochemical applications.