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News articles about "chemical"

The Play-by-Play of Energy Conversion: Catching Catalysts in Action

but some details remain hidden Beginning in 2015 the next generation National Synchrotron Light Source II NSLS II will provide even brighter x rays and the Center for Functional Nanomaterials CFN will operate the first ... - Read More

Subsituting bone with synthetic materials

Materials, materials
When Lucia Téllez Jurado and her research team at the National Polytechnic Institute IPN were working in the synthesis of diverse materials they realized that the Hydroxylapatite medullar component of the bone when obtained synthetically ... - Read More

Innovative screening strategy swiftly uncovers new drug candidates, new biology

Biology, biology, Biology
Scientists at The Scripps Research Institute TSRI have demonstrated a drug discovery strategy with a double payoff it enables the rapid selection of chemical compounds that have a desired effect on cells and also highlights ... - Read More

Researchers grow liquid crystal 'flowers' that can be used as lenses

Crystal
A team of material scientists chemical engineers and physicists from the University of Pennsylvania has made another advance in their effort to use liquid crystals as a medium for assembling structures In their earlier studies ... - Read More

Polymer coatings based on molecular structures

Polymer
A novel method developed by researchers from Karlsruhe Institute of Technology KIT and Jacobs University Bremen enables manufacturing of polymer layers with tailor made properties and multiple functions A stable porous gel SURGEL for biological ... - Read More

Dual catalysts help synthesize alpha-olefins into new organic compounds

Boston College chemists have developed a new chemical synthesis methodology that converts chemicals known as alpha olefins into new organic compounds By combining a pair of catalytic reactions in sequence the researchers converted inexpensive and ... - Read More

A gluttonous plant reveals how its cellular power plant devours foreign DNA

Plant, plant
Amborella trichopoda a sprawling shrub that grows on just a single island in the remote South Pacific is the only plant in its family and genus It is also one of the oldest flowering plants ... - Read More

Assumption about mercury in the Arctic overturned

For years scientists have assumed that if mercury is high and increasing in fish in the North American and European Arctic the same is true of fish elsewhere in the Arctic But a team of ... - Read More

Ways of the photoelectric effect; How physicists have learned how to select them

In contrast to its apparent simplicity that brought Einstein his Nobel Prize the photoelectric effect when an electron is knocked out from its parent atom by a photon is quite complicated to analyze in general ... - Read More

Salt under pressure is not NaCl

Salt, Pressure
In the very beginning of the school chemistry course we are told of NaCl as an archetypal ionic compound Being less electronegative sodium loses its electron to chlorine which following the octet rule thus acquires ... - Read More

Graphene sees the light: Sheets of carbon just one atom thick could be used in photovoltaic cells

Sheets of carbon just one atom thick could make effective transparent electrodes in certain types of photovoltaic cells Graphene a one atom thick sheet of carbon that is extremely strong and conducts electricity well is ... - Read More

Oil- and metal-munching microbes dominate deep sandstone formations

Analysis
Halomonas are a hardy breed of bacteria They can withstand heat high salinity low oxygen utter darkness and pressures that would kill most other organisms These traits enable these microbes to eke out a living ... - Read More

Uranium (IV) found to be mobile in a natural wetland

Uranium
EPFL researchers studying a natural wetland near a decommissioned uranium mine in Limousin France have shown that under certain circumstances the uranium present in the wetland could be more mobile than previously believed Because they ... - Read More

Radioactivity muddles alphabet of DNA

Curtin University researchers have shown natural radioactivity within DNA can alter chemical compounds providing a new pathway for genetic mutation The research recently published in Biochimica et Biophysica Acta General Subjects for the first time ... - Read More

Infrared sheds light on single protein complexes

Proteins are basic building blocks of life The chemistry and structure of proteins are essential for their biological function Indeed the structure of proteins determines their mechanical and catalytic properties e g enzymes Such functions ... - Read More

Targeted synthesis of natural products with light

Synthesis, Synthesis , Natural products
Photoreactions are driven by light energy and are vital to the synthesis of many natural substances Since many of these substances are also useful as active medical agents chemists try to produce them synthetically But ... - Read More

DNA motor 'walks' along nanotube, transports tiny particle

DNA, DNA, DNA, DNA, DNA, DNA
Researchers have created a new type of molecular motor made of DNA and demonstrated its potential by using it to transport a nanoparticle along the length of a carbon nanotube The design was inspired by ... - Read More

New material to enhance crop yield

Researchers at the UPM have developed a carbonaceous material from sewage sludge that when applied to soil can help to improve its quality The material is called biochar and was prepared and characterized by the ... - Read More

Small size enhances charge transfer in quantum dots

Quantum dots
Quantum dots tiny semiconductor crystals with diameters measured in billionths of a meter have enormous potential for applications that make use of their ability to absorb or emit light and or electric charges Examples include ... - Read More

Ultrafast heating of water: This pot boils faster than you can watch it

Water, Water, Water
Scientists from the Hamburg Center for Free Electron Laser Science have devised a novel way to boil water in less than a trillionth of a second The theoretical concept which has not yet been demonstrated ... - Read More
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