News tagged with catalytic systems

Hybrid solar system makes rooftop hydrogen

While roofs across the world sport photovoltaic solar panels to convert sunlight into electricity, a Duke University engineer believes a novel hybrid system can wring even more useful energy out of the sun's ...

Technology / Energy & Green Tech

created Aug 09, 2011 | popularity 4.8 / 5 (17) | comments 8 | with audio podcast

Metal-mining bacteria are green chemists

Microbes could soon be used to convert metallic wastes into high-value catalysts for generating clean energy, say scientists writing in the September issue of Microbiology.

Biology / Cell & Microbiology

created Sep 02, 2010 | popularity 4.9 / 5 (8) | comments 2 | with audio podcast

Graphene-Based Nanomat Could Lead to Next-Generation Catalysts

(PhysOrg.com) -- Researchers have found a new use for graphene, the single-atom-thick sheet of carbon atoms that resembles chicken wire. Ever since graphene was first observed in 2004, its large surface area, ...

Nanotechnology / Nanomaterials

created Jan 19, 2010 | popularity 4.2 / 5 (13) | comments 0 | with audio podcast feature




Search results for catalytic systems


Synthetic nano-waste does not disappear

(Phys.org) -- Tiny particles of cerium oxide do not burn or change in the heat of a waste incineration plant. They remain intact on combustion residues or in the incineration system, as a new study by Swiss ...

Nanotechnology / Bio & Medicine

created May 25, 2012 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Rare-earth half-sandwiches prove rewarding

The chemical frameworks of ’natural products’—molecules generated by biological organisms—have inspired many of today’s most potent pharmaceuticals. But the complexity of these compounds ...

Chemistry / Materials Science

created May 18, 2012 | popularity 3.5 / 5 (2) | comments 0

Open, Ring! Highly electrophilic cationic complexes as catalysts in immortal ring-opening polymerization of lactide

(Phys.org) -- Certain complexes of large alkaline earth elements such as calcium, strontium, and barium are efficient catalysts for various organic reactions. However, the stability of these heteroleptic complexes ...

Chemistry / Materials Science

created May 18, 2012 | popularity not rated yet | comments 0

Volkswagen Passat sets world record for longest distance on one tank of clean diesel fuel

The world's most fuel-efficient couple has done it again. John and Helen Taylor were determined to break the record for the farthest distance traveled on a single tank of fuel. They decided to attempt the ...

Technology / Energy & Green Tech

created May 11, 2012 | popularity 4.9 / 5 (16) | comments 10 | with audio podcast

Bejeweled: Nanotech gets boost from nanowire decorations

Like a lead actress on the red carpet, nanowires—those superstars of nanotechnology—can be enhanced by a little jewelry, too. Not the diamonds and pearls variety, but the sort formed of sinuous chains ...

Nanotechnology / Nanomaterials

created Apr 27, 2012 | popularity 5 / 5 (4) | comments 1 | with audio podcast

Defects make catalysts perfect

There is now one less mystery in chemical production plants. For many decades industry has been producing methanol on a large scale from a mixture of carbon dioxide and carbon monoxide, as well as hydrogen. ...

Chemistry / Materials Science

created Apr 26, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Diesel technologies drastically cut emissions under real-world conditions

New research from North Carolina State University shows that federal requirements governing diesel engines of new tractor trailer trucks have resulted in major cuts in emissions of particulate matter (PM) and nitrogen oxides ...

Technology / Engineering

created Apr 16, 2012 | popularity not rated yet | comments 0

Processes at the surface of catalysts: Oxygen defects act as active centers

In chemical industry, heterogeneous catalysis is of crucial importance to the manufacture of basic or fine chemicals, in catalytic converters of exhaust gas, or for the chemical storage of solar energy. Scientists ...

Chemistry / Materials Science

created Apr 10, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Understanding photosynthesis: How plants use catalytic reactions to split oxygen from water

Splitting hydrogen and oxygen from water using conventional electrolysis techniques requires considerable amounts of electrical energy. But green plants produce oxygen from water efficiently using a catalytic ...

Chemistry / Materials Science

created Apr 02, 2012 | popularity 4.8 / 5 (11) | comments 8 | with audio podcast

Mutations in people with cancerous Lynch syndrome prevent a DNA mismatch repair protein from doing its job properly

When the cell’s DNA proofreading system encounters a mismatch in the genome, a number of repair proteins are thrown into action, ripping up the mistake and filling in the correct nucleotides. One of these ...

Chemistry / Biochemistry

created Mar 23, 2012 | popularity not rated yet | comments 0


List of search results for catalytic systems