Sentences with word «cerium»

Incorporation of CNTs enhanced electron flow associated with photosynthesis by 49 % in extracted chloroplasts and by 30 % in leaves of living plants, and incorporation of cerium oxide nanoparticles (nanoceria) into extracted chloroplasts significantly reduced concentrations of superoxide, a compound that is toxic to plants.

The work builds on research, published in Science last year, in which the Wang and Datye groups found a novel way to trap and stabilize individual platinum atoms on the surface of cerium oxide, a commonly used component in emissions control catalysts.

The standard shoes on this baby come in the form of 19 - inch M light - alloy wheels that are finished in Cerium Grey Metallic Matte, but if you want something a little bigger, you can shell out some extra cheddar for the 20 - inch wheels with an «exclusive» design that are finished in the same color.

Adding a unique flourish to the side view is the combination of exterior mirror bases and B - and C - pillar trim in high - gloss black, plus aluminum surrounds in Cerium Grey for the side windows and exterior mirror caps.

At a certain ratio of cerium atoms to molecules, self - assembly produced a symmetrical complex 2 - D pattern described originally by Kepler and known today as the snub square tiling.

«All modern catalytic converters in vehicles use cerium dioxide.

«We also developed a new use for cerium, which is an over-produced rare earth that is a burden on mining,» King says.

Glass doped with cerium oxide effectively absorbs ultraviolet light.

Previous attempts to use cerium in rare - earth magnets failed because it reduces the Curie temperature — the temperature above which an alloy loses its permanent magnet properties.

All earlier attempts to incorporate magnetic atoms such as the rare - earth metal cerium into the clathrate structures failed.

The side mirrors, dual kidney grille frames, front valance trim, and fender vents are finished in Cerium Gray.

High - pressure research teams at Carnegie have probed cerium alloys extensively, so it was a natural fit for this research.

In the catalytic converter, the catalyst cerium oxide grabs oxygen from air and adds it to carbon monoxide and hydrocarbons to turn them into carbon dioxide, which is nonlethal.

When potent oxygen radical scavengers such as cerium oxide nanoparticles (nanoceria) were combined with a highly charged polymer (polyacrylic acid) and incorporated into extracted chloroplasts using the LEEP process, damage to the chloroplasts from superoxides and other reactive oxygen species was dramatically reduced.

In particular, the fact that the lanthanide element cerium played such a key role marks this as the beginning of a new line of research.

They are often based on metals, and the new example is no exception — it consists of atomically small particles of ruthenium, a metal related to iron, sitting on a material called cerium oxide.

This paper describes a method of preparing the precursor of cerium doped yttrium aluminum garnet (YAG: Ce) followed by heat treatment at 1100 °C and surface modification by decorating with gold nanoparticles.

«The heterolytic reaction had not been seen before on cerium oxide,» Wu said.

The 2016 BMW 7 Series 760Li xDrive is equipped with the M aerodynamic package including larger air intakes in the front apron and exclusive 20 - inch M light - alloy wheels in double - spoke 760M design with matt Cerium Grey finish.

The exclusive galvanised Cerium Grey finish for the kidney grille frame and the fronts of the grille bars, along with other elements subtly highlighting the special status of this very unique BMW.

«The rattling of the trapped cerium atoms becomes stronger as the temperature increases,» says Bühler - Paschen.

The pattern, observed in a surface architecture just one molecule thick, was formed by self - assembly of linear organic linkers, imaged as rods, and lanthanide cerium centers, visualized as bright protrusions.

To address this problem, the research team prepared a new family of molecules with C = M = C cores where the metal was cerium [classed as a lanthanide] or thorium or uranium [which are classed as actinides] where two carbon atoms that are known to be strong donors were forced to be opposite to one another either side of the metal.»

With the help of a sophisticated crystal growth technique in a mirror oven, Professor Andrey Prokofiev (TU Vienna) has now succeeded in creating clathrates made of barium, silicon and gold, encapsulating single cerium atoms.

In testing with hydrogen peroxide, a strong oxidizing agent, the researchers found their most effective cerium oxide III nanoparticles performed nine times better than a common antioxidant, Trolox, at first exposure, and held up well through 20 redox cycles.

Cerium gets put into a solvent that workers use to polish devices as they move along the assembly line.

The advantages of cerium sulphide were touted in an unclassified article published a few years earlier by the Lawrence Livermore National laboratory in the US.

Cerium compounds form nontoxic red pigments that are used in toys and household products.

The team believes it will be possible to induce a similar shift in physical properties in other, similar, elements, including cerium, antimony, plutonium, and others.

The superconducting material Cerium - Colbalt - Indium5 reveals new secrets about how superconductivity and magnetism can be related.

The team — which also included Carnegie's Zhidan Zeng, Stanislav Sinogeikin, Yoshio Kono, Curtis Kenney - Benson, Changyong Park, and Wenge Yang — probed glass made from alloys of the metal cerium under pressure.

«This study showed that intrinsic colloids formed by interactions between soluble Cerium (Ce) and carbonates significantly increase the mobility of Ce injected into a carbonate rock fracture,» explains BGU Zuckerberg Institute for Water Research Director Prof. Noam Weisbrod, Ph.D. «The formation of intrinsic colloids, if not accounted for, could result in the under prediction of radionuclide migration through fractures in fine - grained carbonate bedrock, such as chalk.»

This was achieved by coupling it with a material called praseodymium cerium copper oxide (PCCO).

Cerium III and IV are electron shuttles that have broad applications if we can make the chemistry accessible in a biological setting.

Topology hidden inside materials in the matter group called cerium monopnictides has been determined for the first time in the world.

llustration of the mode of action of bioinspired underwater paints: Like the natural enzyme vanadium bromoperoxidase cerium dioxide nanoparticles act as a catalyst for the formation of hypobromous acid from bromide ions (contained in sea water) and small amounts of hydrogen peroxide that are formed upon exposure to sun light yielding reduced biofilm formation.

The spin polarization of cobalt in tunnel junctions with an alumina barrier is positive, but it is negative when the barrier is strontium titanate or cerium lanthanite.

But the research team discovered that co-doping with cobalt allowed them to substitute cerium for dysprosium without losing desired magnetic properties.

But rare - earth metals like cerium, which is as abundant as copper, are primary products of mining for other, more valuable rare - earth elements.

For example, they tried to use a process involving cerium sulphide to mould uranium components.

Jean - Christophe Gariel, IRSN's director of health, says an uncontrolled temperature rise during the separation of cerium from the spent fuel at Mayak might have converted some of the ruthenium in the waste to gaseous ruthenium oxide.

Deshpande, S., Patil, S., Kuchibhatla, S. V. & Seal, S. Size dependency variation in lattice parameter and valency states in nanocrystalline cerium oxide.