Sentences with phrase «copper nanoparticles»

The filter is then painted with a thin solution of silver or copper nanoparticles that serve as a highly effective disinfectant for waterborne pathogens, the type of which can cause severe diarrhea, vomiting and dehydration.

Mixing these produces the red - brown solution at the front of the photo, from which the dark powder of hybrid gold - copper nanoparticles is extracted.

In the new study, published this week in the Proceedings of the National Academy of Sciences, a team led by Berkeley Lab scientist Peidong Yang discovered that an electrocatalyst made up of copper nanoparticles provided the conditions necessary to break down carbon dioxide to form ethylene, ethanol, and propanol.

The catalyst's novelty lies in its nanoscale structure, consisting of copper nanoparticles embedded in carbon spikes.

When researchers mixed copper nanoparticles with ethyl mercaptan, which gives natural gas its intense smell, the compound quickly broke down into less smelly disulfide, losing its odor in minutes flat.

«The pyridinic nitrogen helps to anchor the copper nanoparticles and change the electronic environment around them, which changes the reaction pathway to selectively produce ethylene.»

This is nitrogen - rich graphene festooned with finely tuned copper nanoparticles selectively converts carbon dioxide to ethylene, a key commodity chemical.

Qing Li, a former postdoctoral fellow in Sun's lab and now a professor at Huazhong University of Science and Technology in China, thought a catalyst that combines copper nanoparticles with graphene might be effective.

Copper nanoparticles smaller than 50 nm are considered super hard materials that do not exhibit the same malleability and ductility as bulk copper.

The paper, «Photoluminescent Gold - Copper Nanoparticle Alloys with Composition - Tunable Near - Infrared Emission,» first appeared online April 3 and later in print April 10 in JACS (Journal of the American Chemical Society).

Not exact matches

Another study to be presented at the conference on Thursday shows beneficial soil bacteria can not tolerate silver, copper oxide and zinc oxide nanoparticles, also used in sunscreens and other products.

Scientists at the University of Florida Particle Engineering Research Center and personal products manufacturer Kimberly - Clark recently found an answer by coating silica nanoparticles with copper ions, a potent odor - fighting combination that could be used in powders and spritzes, mixed with cat litter, or embedded in products like garbage bags.

Acids naturally found in the organic matter of soil, collectively called humic acid, can protect rice seedlings from the cell damage and stunted root growth caused by copper oxide nanoparticles, researchers report April 13 in Environmental Toxicology and Chemistry.

They synthesized small quantities of realistic catalysts, such as platinum - copper single atom alloy nanoparticles supported on an alumina substrate, and then tested them under industrial pressure and temperatures.

[2] K. Kumar and P. Swaminathan, «Role of silver nanoparticles in the dewetting behavior of copper thin films,» Thin Solid Films, vol.

Hybrid copper - gold nanoparticles convert carbon dioxide to methane CO2 = > CH4 May reduce greenhouse gas emissions CAMBRIDGE, Mass. — Copper — the stuff of pennies and tea kettles — is also one of copper - gold nanoparticles convert carbon dioxide to methane CO2 = > CH4 May reduce greenhouse gas emissions CAMBRIDGE, Mass. — Copper — the stuff of pennies and tea kettles — is also one of Copper — the stuff of pennies and tea kettles — is also one of the...

The effects Yang and his colleagues observed for gold - copper bimetallic nanoparticles should hold true for other carbon dioxide reduction catalysts as well.

From 2012 products will be labeled if they contain nanoparticles toward a specific usage - as the copper in self - tanners.

Researchers at the University of Texas at Arlington created this new material by synthesizing copper sulfide nanoparticles with single - walled carbon nanotubes.