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All About Chemistry... 2011 and beyond

News articles about "molecules"

Atmospheric rivers, cloud-creating aerosol particles, and california reservoirs

In the midst of the California rainy season scientists are embarking on a field campaign designed to improve the understanding of the natural and human caused phenomena that determine when and how the state gets ... - Read More

NASA mountaintop sensor finds high methane over Los Angeles

A NASA study using two years of observations from a novel mountaintop instrument finds that Los Angeles' annual emissions of methane an important greenhouse gas are 18 to 61 percent higher than widely used estimates ... - Read More

Sensors could give machines more accurate sense of smell than that of humans

Scientists have come up with a way of creating sensors which could allow machines to smell more accurately humans Every odour has its own specific pattern which our noses are able to identify Using a ... - Read More

New 'triggered-release' mechanism could improve drug delivery

More efficient medical treatments could be developed thanks to a new method for triggering the rearrangement of chemical particles The new method developed at the University of Warwick uses two 'parent' nanoparticles that are designed ... - Read More

Solving an organic semiconductor mystery

Organic semiconductors are prized for light emitting diodes LEDs field effect transistors FETs and photovoltaic cells As they can be printed from solution they provide a highly scalable cost effective alternative to silicon based devices ... - Read More

Atomic placement of elements counts for strong concrete

Even when building big every atom matters according to new research on particle based materials at Rice University Rice researchers Rouzbeh Shahsavari and Saroosh Jalilvand have published a study showing what happens at the nanoscale ... - Read More

Liquids and glasses relax, too -- but not like you thought

A new insight into the fundamental mechanics of the movement of molecules recently published by researchers at the National Institute of Standards and Technology NIST offers a surprising view of what happens when you pour ... - Read More

A new step towards using graphene in electronic applications

Few materials have received as much attention from the scientific world or have raised so many hopes with a view to their potential deployment in new applications as graphene has This is largely due to ... - Read More

DNA 'smart glue' could someday be used to build tissues, organs

DNA molecules provide the source code for life in humans plants animals and some microbes But now researchers report an initial study showing that the strands can also act as a glue to hold together ... - Read More

Possible Treatments Identified for Highly Contagious Stomach Virus

they share the job of establishing persistence ” No studies have indicated that animals or insects carry and spread human norovirus Therefore scientists suspect that the sources of outbreaks may be people who have persistent ... - Read More

Chemical Dial Controls Attraction Between Water-Repelling Molecules

adding here or replacing there “Another implication of our research ” Gellman says “is that those changes can have profound effects that have not previously been understood ” Permalink to this article Comment Share ... - Read More

Chemists show proof of concept for new method of accelerating drug discovery research

Chemists have made a significant advancement to directly functionalize C H bonds in natural products by selectively installing new carbon carbon bonds into highly complex alkaloids and nitrogen containing drug molecules C H functionalization is ... - Read More

Water, water, everywhere: Controlling the properties of nanomaterials

Scientists at the US Department of Energy's Oak Ridge National Laboratory are learning how the properties of water molecules on the surface of metal oxides can be used to better control these minerals and use ... - Read More

From the bottom up: Manipulating nanoribbons at the molecular level

Narrow strips of graphene called nanoribbons exhibit extraordinary properties that make them important candidates for future nanoelectronic technologies A barrier to exploiting them however is the difficulty of controlling their shape at the atomic scale ... - Read More

Solar cell polymers with multiplied electrical output

One challenge in improving the efficiency of solar cells is that some of the absorbed light energy is lost as heat So scientists have been looking to design materials that can convert more of that ... - Read More

Water, Water, Everywhere -- Controlling the Properties of Nanomaterials

Wendy Hames and Katie Bethea Published Work H W Wang M DelloStritto N Kumar A I Kolesnikov P R C Kent J D Kubicki D J Wesolowski and J O Sofo “Vibrational density of states ... - Read More

Iron toxicity for cyanobacteria delayed oxygen accumulation in early Earth's atmosphere

Three billion years ago Earth's atmosphere contained less than 0.0001 percent oxygen Today's atmosphere has around 20 percent oxygen and that is due to the work of tiny microorganisms in Earth's primeval oceans Cyanobacteria which ... - Read More

Cheap asphalt provides 'green' carbon capture

The best material to keep carbon dioxide from natural gas wells from fouling the atmosphere may be a derivative of asphalt according to Rice University scientists The Rice laboratory of chemist James Tour followed up ... - Read More

'Seeing' hydrogen atoms to unveil enzyme catalysis that may play key role in cancer drug development

Enzymes are catalysts that speed up chemical reactions in living organisms and control many cellular biological processes by converting a molecule or substrate into a product used by the cell For scientists understanding details of ... - Read More

Students testing Indian toilets

A group of University of Delaware students and researchers spent New Year's in an unconventional way installing sanitation systems in India A team of researchers led by Steven K Dentel professor of civil and environmental ... - Read More
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