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News articles about "Chemistry"

Definitive evidence of how zeolites grow: Tracking crystal growth in real time

Researchers have found the first definitive evidence of how silicalite 1 MFI type zeolites grow showing that growth is a concerted process involving both the attachment of nanoparticles and the addition of molecules Both processes ... - Read More

Control methane now, greenhouse gas expert warns

As the shale gas boom continues the atmosphere receives more methane adding to Earth’s greenhouse gas problem Robert Howarth greenhouse gas expert and ecology and environmental biology professor fears that we may not be many ... - Read More

Going beyond the surface: New tech could take light-based cancer treatment deep inside the body

Photodynamic therapy PDT is an effective treatment for easily accessible tumors such as oral and skin cancer But the procedure which uses lasers to activate special drugs called photosensitizing agents isn't adept at fighting cancer ... - Read More

Flexible supercapacitor raises bar for volumetric energy density; Could be woven into clothes to power devices

Scientists have taken a large step toward making a fiber like energy storage device that can be woven into clothing and power wearable medical monitors communications equipment or other small electronics The device is a ... - Read More

Artificial magnetic bacteria 'turn' food into natural drugs

Scientists from the University of Granada have successfully created magnetic bacteria that could be added to foodstuffs and could after ingestion help diagnose diseases of the digestive system like stomach cancer These important findings constitute ... - Read More

Graphene and painkiller receptor combined into scalable chemical sensor

Almost every biological process involves sensing the presence of a certain chemical Finely tuned over millions of years of evolution the body's different receptors are shaped to accept certain target chemicals When they bind the ... - Read More

Burning issue of hydrocarbons, impacts on human health

Highlights of Prof Hayakawa's research who is currently developing methods to identify metabolites of PAHs and NPAHs in urine and blood Other work include developing the most sensitive method for measuring PAHs and NPAHs showing ... - Read More

Can plants provide petroleum-derived chemicals?

Plant scientists at the U S Department of Energy's Brookhaven National Laboratory have found that certain enzymes responsible for desaturating fatty acids the building blocks of oils can link up to efficiently pass intermediate products ... - Read More

Catalytic upgrade: Better and cheaper renewable biofuels

New catalysts to remove oxygenated compounds from bio derived oils may lead to better and cheaper renewable biofuels Dwindling crude oil reserves accompanied by rising prices and environmental concerns have led to increased interest in ... - Read More

Toxicologists outline key health and environmental concerns associated with hydraulic fracturing

Date May 9 2014 Source Society of Toxicology Summary Since the rise in the use of hydraulic fracturing of shale to produce natural gas and oil many have debated the merits and detractions of the ... - Read More

A lab in your pocket: Using CAD to load dozens of tests on a lab-on-a-chip

When you get sick your physician may take a sample of your blood send it to the lab and wait for results In the near future however doctors may be able to run those tests ... - Read More

Nanoscope to probe chemistry on the molecular scale

For years scientists have had an itch they couldn't scratch Even with the best microscopes and spectrometers it's been difficult to study and identify molecules at the so called mesoscale a region of matter that ... - Read More

Light waves allow preferred bond breaking in symmetric molecules

Chemical bonds between carbon and hydrogen atoms are amongst the strongest in nature and their selective breaking in particular in symmetric molecules is of interest to chemical synthesis and the development of new biologically active ... - Read More

New technology using fluorescent proteins tracks cancer cells circulating in blood

After cancer spreads finding and destroying malignant cells that circulate in the body is usually critical to patient survival Now researchers reporting in the Cell Press journal Chemistry & amp Biology have developed a new ... - Read More

Regenerating plastic grows back after damage

Looking at a smooth sheet of plastic in one University of Illinois laboratory no one would guess that an impact had recently blasted a hole through it Illinois researchers have developed materials that not only ... - Read More

Airborne measurements confirm leaks from oil and gas operations

During two days of intensive airborne measurements oil and gas operations in Colorado's Front Range leaked nearly three times as much methane a greenhouse gas as predicted based on inventory estimates and seven times as ... - Read More

'Teenage' songbirds experience high mortality due to many causes, study finds

Nearly one third of songbird species across North America are experiencing long term declines Scientists have spent years researching potential causes for these population declines focusing on the birds when they have just hatched as ... - Read More

Antibiotic resistance genes are essentially everywhere

The largest metagenomic search for antibiotic resistance genes in the DNA sequences of microbial communities from around the globe has found that bacteria carrying those vexing genes turn up everywhere in nature that scientists look ... - Read More

Super-charged tropical trees: Borneo’s productive trees vitally important for global carbon cycling

A team of scientists has found that the woody growth of forests in north Borneo is half as great again as in the most productive forests of north west Amazonia an average difference of 3.2 ... - Read More

Fueling aviation with hardwoods

A key challenge in the biofuels landscape is to get more advanced biofuels fuels other than corn ethanol and vegetable oil based biodiesel into the transportation pool Utilization of advanced biofuels is stipulated by the ... - Read More
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