News tagged with cell materials

Copy of the genetic makeup travels in a protein suitcase

Scientists from the Institute for Physical and Theoretical Chemistry at the University of Bonn have succeeded for the first time in the real time filming of the transport of an important information carrier in biological ...

Biology / Cell & Microbiology

created May 25, 2012 | popularity not rated yet | comments 0 | with audio podcast

Building a better solar panel -- one molecule at a time

(Phys.org) -- One of the fundamental building blocks in modern chemistry, an organometallic chemical compound called ferrocene, has never been structurally defined - until now.

Chemistry / Materials Science

created May 25, 2012 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Scientists investigate mystery of telephone cord buckles

(PhysOrg.com) -- Ranging in thickness from a few nanometers to several micrometers, thin films and coatings play a role in a wide variety of applications. The reflective metal layer on a mirror, the coatings ...

Physics / General Physics

created Mar 27, 2012 | popularity 3.8 / 5 (4) | comments 4 | with audio podcast feature

Enzyme corrects more than one million faults in DNA replication

Scientists from the Medical Research Council (MRC) Institute of Genetics and Molecular Medicine (IGMM) at the University of Edinburgh have discovered an enzyme that corrects the most common mistake in mammalian DNA.

Biology / Cell & Microbiology

created May 10, 2012 | popularity 4.9 / 5 (16) | comments 1 | with audio podcast

Millions of molecules screened in search for the ideal organic solar cell material

(PhysOrg.com) -- Currently, the cost of electricity from commercial silicon solar cells is about 10 times higher than the cost of utility-scale electricity. In order to make solar cells cost-competitive with ...

Chemistry / Materials Science

created Sep 12, 2011 | popularity 4.8 / 5 (21) | comments 12 | with audio podcast feature

Quantum dots with built-in charge boost solar cell efficiency by 50%

(PhysOrg.com) -- For the past few years, researchers have been using quantum dots to increase the light absorption and overall efficiency of solar cells. Now, researchers have taken a step further, demonstrating ...

Nanotechnology / Nanophysics

created May 13, 2011 | popularity 4.9 / 5 (21) | comments 13 | with audio podcast feature

Cheap, abundant cathode material found for producing hydrogen fuel (w/ video)

(PhysOrg.com) -- By replacing catalysts made of expensive noble metals like platinum with cheaper, earth-abundant materials, researchers have taken a step toward enabling the large-scale production of hydrogen ...

Chemistry / Materials Science

created May 10, 2011 | popularity 4.4 / 5 (22) | comments 60 | with audio podcast feature

Nano-LEDs emit full visible spectrum of light

(PhysOrg.com) -- Physicists from Taiwan have designed and fabricated nano-sized light-emitting diodes (LEDs) that emit light spanning the entire visible spectrum. Although the tiny full-color LEDs aren't intended ...

Nanotechnology / Nanophysics

created Jun 17, 2011 | popularity 4.9 / 5 (18) | comments 2 | with audio podcast feature

Emerging theoretical framework may guide researchers through the complex world of multiblock polymers

(Phys.org) -- Thanks to advances in polymer chemistry and a wide variety of monomer constituents to choose from, the world of multiblock polymers is wide open. These polymers can result in an astonishing array ...

Chemistry / Polymers

created Apr 26, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Research reveals novel transport mechanism for large ribonucleoproteins

The movement of genetic materials, such as RNA and ribosomes, from the nucleus to the cytoplasm is a critical component in a cell's ability to make the proteins necessary for essential biological functions. Until now, it ...

Biology / Cell & Microbiology

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

Tandem polymer solar cells that set record for energy-conversion

(PhysOrg.com) -- In the effort to convert sunlight into electricity, photovoltaic solar cells that use conductive organic polymers for light absorption and conversion have shown great potential. Organic polymers ...

Physics / Optics & Photonics

created Feb 13, 2012 | popularity 4.6 / 5 (12) | comments 7 | with audio podcast

Photovoltaic panels made from plant material could become a cheap alternative to traditional solar cells

Within a few years, people in remote villages in the developing world may be able to make their own solar panels, at low cost, using otherwise worthless agricultural waste as their raw material.

Nanotechnology / Nanomaterials

created Feb 03, 2012 | popularity 4.8 / 5 (9) | comments 0 | with audio podcast

Self-assembling nanorods: Researchers obtain 1-, 2- and 3-D nanorod arrays and networks

(PhysOrg.com) -- A relatively fast, easy and inexpensive technique for inducing nanorods - rod-shaped semiconductor nanocrystals - to self-assemble into one-, two- and even three-dimensional macroscopic structures ...

Nanotechnology / Nanomaterials

created Feb 01, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Harnessing plasmonics, engineers weld nanowires with light

At the nano level, researchers at Stanford have discovered a new way to weld together meshes of tiny wires. Their work could lead to exciting new electronics and solar applications. To succeed, they called ...

Nanotechnology / Nanophysics

created Feb 06, 2012 | popularity 4.8 / 5 (11) | comments 1 | with audio podcast

'Tunable' metal nanostructures for fuel cells, batteries and solar energy

(PhysOrg.com) -- For catalysts in fuel cells and electrodes in batteries, engineers would like to manufacture metal films that are porous, to make more surface area available for chemical reactions, and highly ...

Nanotechnology / Nanomaterials

created Apr 03, 2012 | popularity 4.9 / 5 (8) | comments 3 | with audio podcast