Sentences with phrase «oxide particles»

The first component is our patented ScratchGuard Advanced surface protection, which is comprised of a melamine resin enriched with aluminum oxide particles for enhanced scratch and scuff protection.

Also, one generation of their grippers is doped with iron oxide particles, so the researchers could round up the tiny claws using magnetic fields (ACS Appl.

The tail is hydrophilic and interacts with the solution containing the ingredients for forming the desired metal oxide particles.

That gas would have escaped through the facility's filters and solidified in the cool outside air, he says, turning into small solid oxide particles that could have wafted across Europe.

In this particular study, probes are formed by adsorption of rod - like cyanophenyl derivates on the surface of oxide particles.

In a new study published in EPJ Plus, Stefan Frunza from the National Institute of Materials Physics in Romania and colleagues have discovered the properties of the surface layer in probe molecules on the surface of oxide particles.

«Scrutinizing the tip of molecular probes: Nature of interaction of probe molecules on the surface of oxide particles elucidated.»

The iron oxide inorganic core is small enough to produce a pronounced positive contrast in MRI, and the zwitterionic surface ligand, which was recently developed by Wei and coworkers in the Bawendi research group, makes the iron oxide particles water - soluble, compact, and biocompatible.

These are iron oxide particles just 3 nanometers across, coated with a zwitterion layer.

Another common approach to levitation involves filling an object with iron oxide particles.

These iron oxide particles — and other colloids — typically have a negative charge, and the positively charged actinides simply attach to their surfaces electrostatically.

And iron oxide particles may just be the first transporting colloid that has been clearly identified.

Not only did the SWCNTs actually facilitate the formation of the iron oxide particles, but they ensured excellent physical and electrical contact between the two materials.

To get there, it was essential that the iron oxide particles be distributed uniformly within the encircling nanotubes.

The researchers subjected the metallic iron oxide particles to radiation until the DNA bonds holding them together broke, releasing fluorescent materials.

In their approach, they discovered that germanium nanowires are grown by the reduction of germanium oxide particles and subsequent self - catalytic growth during the thermal decomposition of natural gas, and simultaneously, carbon sheath layers are uniformly coated on the nanowire surface.

The researchers look forward to functionalizing nanodrugs with the iron oxide particles to allow mapping of the vasculature and the simultaneous transportation of nanodrugs.

Not only did the entire facility design have to be revised, new production methods for the metal oxide particles had to be developed too.

A 2005 study in Environmental Science and Technology showed that zinc oxide particles were toxic to human lung cells.

Additionally, Thinkbaby and Thinksport sunscreens utilize average zinc oxide particles greater than 110nm.

Not exact matches

> «Physical sunscreens usually contain zinc oxide, which is brilliant for skin because it's a physical blocker, forming a barrier and preventing things [like pollution particles and acne - causing bacteria] from sticking to your skin and damaging it,» he explains.

Metal oxides such as zinc oxide and titanium dioxide are increasingly being used in sunscreens and cosmetics in the form of nanoparticles — microscopic particles of matter measured on the nanoscale.

* 212 pounds of hydrocarbons (smog ingredient) * 1.7 pounds of nitrogen oxides (smog ingredient) * 5.6 pounds of irritating particles * 1,724 pounds of carbon dioxide

It is also water proof and contains natural ingredients such as green and white tea, avocado and non-nano particle zinc oxide.

The all natural sunscreen with micronized zinc oxide & titanium particles sounds like a save bet to me.

Obviously it is so important not to get sunburned, however, since it is hard to know exactly how the chemical sunscreens affect developing bodies, my dermatologist suggests using physical sunblock (i.e. particles of zinc oxide or titanium dioxide that are suspended in the cream, and lay on top of your skin to form a literal physical barrier) for nursing moms and kids through adolescence.

(The students did capture particles in space, but they turned out to be aluminum oxide spheres, produced by rocket exhaust.)

The proportion of diesel vehicles registered in Leipzig however rose from 19 to 26 % between 2010 and 2016 — with negative consequences: While black carbon and the number concentration of ultrafine particles decreased, the concentration of gaseous nitrogen oxides (NOx) is stagnant and is still too high.

These can be as modest as the particles of zinc oxide in sunscreens, but they can also be reinforcing fibers in new composites or carbon nanotube wires in ultraminiaturized electronics.

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.

It then combines with pollutants from combustion — mainly nitrogen oxides and sulfates from vehicles, power plants and industrial processes — to create tiny solid particles, or aerosols, no more than 2.5 micrometers across, about 1/30 the width of a human hair.

«Breaking down metal oxide into tiny particles increases its surface area and exposes lots of ultra-small, interconnected grain boundaries that become active sites for the water - splitting catalytic reaction,» Cui said.

A granulate made of metal oxide circulates between the two chambers and is responsible for transporting oxygen from air to fuel: «We pump air through one chamber, where the particles take up oxygen.

Mitragotri reckons that the particles could provide a way to get drugs into the body at a more constant concentration, or substances such as iron oxide nanoparticles, which increase contrast in magnetic resonance imaging.

Wilson, the sporting goods manufacturer, has nanoengineered layers of clay to double the playing life of its Double Core tennis balls; L'Oréal uses nanoscale particles and capsules in their cosmetic creams that allow replenishing ingredients to penetrate deep into the skin; and the Australian company Advanced Powder Technology has created Zinclear, a translucent zinc oxide sunblock composed of nanoparticles as small as the tiniest known viruses.

IBM developed a technique for making carbon nanotubes emit light, paving the way for new fiber optics; Harvard scientists figured out how to deposit tiny wires on glass or plastic, opening the door for the development of supercheap computers; and at the University of Central Florida, neuroscientist Beverly Rzigalinski discovered a nanomolecular fountain of youth effect: When Rzigalinski applied cerium oxide nanoparticles to rat neurons in a petri dish, the particles seemed to strip out the free radicals that make tissues age and kept the neurons alive and functioning up to six times their normal life span.

She said cerium oxide IV particles slowly release their captured oxygen and revert to cerium oxide III, and can break down free radicals again and again.

In many important steps the surface - science team perfected ways to handle metal oxides and tiny particles.

Another measure, the federal Cross-State Air Pollution Rule, will require still more expensive controls on coal plants in the Midwest and South to reduce sulfur dioxide and nitrogen oxide emissions that travel across state lines, creating ozone and fine particle pollution downwind.

The iron oxide (Fe3O4), on which the platinum particles rest, has remarkable properties.

For years he has been studying the behaviour of tiny particles on metal - oxide surfaces together with Professor Ulrike Diebold (both TU Vienna).

Surprisingly, the chemical reactions do not take place on the platinum nanoparticles themselves, and it is the interplay between platinum particles and the iron - oxide surface that makes the reaction so efficient.

Collisions between the particles and molecules in Earth's atmosphere produced nitrous oxide, a planet - warming greenhouse gas, and hydrogen cyanide, a crucial component for building DNA, the researchers propose May 23 in Nature Geoscience.

Most commercially - available white products — such as sun creams, cosmetics and paints — incorporate highly refractive particles (usually titanium dioxide or zinc oxide) to reflect light efficiently.

Even if the existence of magnetic monopoles as elementary particles remains a fundamental open question, condensed - matter physicists have managed to reproduce artificial versions of these exotic particles in rare - earth oxide crystals called «spin ices.»

In all of these applications, particle size is critical to the utility and function of oxide nanoparticles — decreased particles size results in increased surface area, which can significantly improve the performance of the oxide nanoparticle.

As Boyd recalls, he then remembered that Robert Millikan, a Nobel Prize - winning physicist and the head of Caltech from 1921 to 1945, also had to contend with removing copper oxide when he performed his famous 1916 experiment to measure Planck's constant, which is important for calculating the amount of energy a single particle of light, or photon, Boyd wondered if he, like Millikan, could devise a method for cleaning his copper while it was under vacuum conditions.

They think the skill may be related to small particles of magnetite, an iron oxide, located in two masses of nerve tissue in the forward part of the lobsters» bodies.

First, the surface charge on a particle of magnetite (a form of iron oxide) depends on the pH of the solution surrounding it: below pH 6 it is positive, and above it is negative.

Environmental scientists led by the Virginia Tech College of Science have discovered that the burning of coal produces incredibly small particles of a highly unusual form of titanium oxide.