News tagged with chemical bonds

Amazon fungi found that eat polyurethane, even without oxygen

(PhysOrg.com) -- Until now polyurethane has been considered non-biodegradable, but a group of students from Yale University in the US has found fungi that will not only eat and digest it, they will do so even in the absence ...

Biology / Cell & Microbiology

created Feb 03, 2012 | popularity 4.8 / 5 (45) | comments 27 | with audio podcast report

Overcoming cancer drug resistance with nanoparticles

One of the ways in which cancer cells evade anticancer therapy is by producing a protein that pumps drugs out of the cell before these compounds can exert their cell-killing effects. A research team at Northwestern University ...

Nanotechnology / Bio & Medicine

created Jan 20, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Comparing energy conversion of plants and solar cells

Scientists now have a way to more accurately compare how efficiently plants and photovoltaic, or solar, cells convert sunlight into energy, thanks to findings by a research consortium that included a U.S. ...

Technology / Energy & Green Tech

created Jan 16, 2012 | popularity 2.3 / 5 (3) | comments 3 | with audio podcast

New chemical reaction holds promise for drug development

A team of researchers at the California Institute of Technology (Caltech) has devised a new method for making complex molecules. The reaction they have come up with should enable chemists to synthesize new ...

Chemistry / Materials Science

created Jan 12, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Chemists find new way to break amide bonds

(PhysOrg.com) -- Researchers in the University of Bristol's School of Chemistry have found a way to accelerate the breakdown of amide bonds.

Chemistry / Materials Science

created Dec 16, 2011 | popularity not rated yet | comments 0

Two-step technique makes graphene suitable for organic chemistry

The future brightened for organic chemistry when researchers at Rice University found a highly controllable way to attach organic molecules to pristine graphene, making the miracle material suitable for a ...

Nanotechnology / Nanomaterials

created Nov 29, 2011 | popularity 4.8 / 5 (8) | comments 4 | with audio podcast

New strategy could lead to dose reduction in X-ray imaging

For more than a century, the use of X-rays has been a prime diagnostic tool when it comes to human health. As it turns out, X-rays also are a crucial component for studying and understanding molecules, and a new approach ...

Physics / General Physics

created Nov 22, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Bow down to the light: Light-triggered microscale robotic arm makes bending and stretching motions

(PhysOrg.com) -- As miniaturization progresses, microrobots and nanomachines have moved beyond the realm of pure speculation. This technology requires tiny components that can respond to stimulation by undergoing ...

Chemistry / Materials Science

created Nov 21, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Scientists carve nanowires out of ultrananocrystalline diamond thin films

A team of scientists working at Argonne National Laboratory's (ANL) Center for Nanoscale Materials has successfully carved ultrananocrystalline diamond (UNCD) thin films into nanowires, boosting the material's functionality ...

Nanotechnology / Nanophysics

created Nov 04, 2011 | popularity 4.8 / 5 (4) | comments 1 | with audio podcast

Highly selective catalyst developed for ring-closing olefin metathesis

Research carried out at Boston College, in collaboration with scientists at MIT and the University of Oxford, has led to the development of an efficient and highly selective catalyst for ring-closing olefin metathesis, one ...

Chemistry / Materials Science

created Nov 02, 2011 | popularity not rated yet | comments 0 | with audio podcast

Unprecedented formation of a boron-boron covalent bond opens a new corner of chemistry

Boron-based chemical compounds rarely form simple structures. Boron is an electron-deficient element; and, as electrons are the glue that hold compounds together, this leads to some unusual bonding behavior. ...

Chemistry / Materials Science

created Oct 28, 2011 | popularity 5 / 5 (3) | comments 0

Research into energy flow features on the cover of Nature Chemistry

(PhysOrg.com) -- 'Energy flow maps' which provide new insight into how chemical reactions work are described in a paper by Dr David Glowacki and colleagues at the University of Bristol in the November issue ...

Chemistry / Materials Science

created Oct 27, 2011 | popularity not rated yet | comments 0 | with audio podcast

Building crystalline materials from nanoparticles and DNA

Nature is a master builder. Using a bottom-up approach, nature takes tiny atoms and, through chemical bonding, makes crystalline materials, like diamonds, silicon and even table salt. In all of them, the properties of the ...

Nanotechnology / Nanomaterials

created Oct 13, 2011 | popularity 5 / 5 (3) | comments 2 | with audio podcast

Simulations unlock carbon nanotube potential for industry

a cylindrical network of molecules known as carbon nanotubes -- is attracting a great deal of attention from industry researchers these days.

Nanotechnology / Nanomaterials

created Oct 05, 2011 | popularity 4.7 / 5 (6) | comments 0 | with audio podcast

Scientists take up golf to prove long-standing theory of cell stickiness

State-of-the-art, highly-sensitive golf clubs, developed by scientists, regularly catch the eye of golf's elite; however before the likes of Rory McIlroy get excited this time, this new golf putter is being ...

Physics / General Physics

created Oct 05, 2011 | popularity 4 / 5 (2) | comments 0 | with audio podcast