News tagged with cell structure
India's 'holy powder' finally reveals its centuries-old secret
Scientists in Michigan are reporting discovery of the secret behind the fabled healing power of the main ingredient in turmeric — a spice revered in India as "holy powder." Their study on the ingredient, curcumin, ...
Chemistry / Analytical Chemistry
Apr 20, 2009 |
4.7 / 5 (31) |
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New Path To Solar Energy Via Solid-State Photovoltaics
(PhysOrg.com) -- Berkeley Lab researchers have found a new mechanism by which the photovoltaic effect can take place in semiconductor thin-films. This new path to energy production brightens the future for ...
Nanotechnology / Nanomaterials
Mar 30, 2010 |
4.5 / 5 (24) |
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Ticking of cellular clock promotes seismic changes in the chromatin landscape associated with aging
Like cats, human cells have a finite number of lives-once they divide a certain number of times (thankfully, more than nine) they change shape, slow their pace, and eventually stop dividing, a phenomenon called ...
Oct 03, 2010 |
4.8 / 5 (19) |
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Mummified dinosaur skin yields up new secrets
(PhysOrg.com) -- Scientists from The University of Manchester have identified preserved organic molecules in the skin of a dinosaur that died around 66-million years ago.
Other Sciences / Archaeology & Fossils
Jul 01, 2009 |
4.7 / 5 (18) |
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Graphene 2.0: A new approach to making a unique material
Since its discovery, graphene -- an unusual and versatile substance composed of a single-layer crystal lattice of carbon atoms—has caused much excitement in the scientific community. Now, Nongjian(NJ) Tao, ...
Nanotechnology / Nanomaterials
Jul 01, 2010 |
5 / 5 (16) |
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Self-cleaning, low-reflectivity treatment boosts efficiency for photovoltaic cells
Using two different types of chemical etching to create features at both the micron and nanometer size scales, researchers at the Georgia Institute of Technology have developed a surface treatment that boosts ...
Nanotechnology / Nanomaterials
Mar 24, 2009 |
4.4 / 5 (17) |
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New 3-D photonic crystal has both electronic, optical properties
In an advance that could open new avenues for solar cells, lasers, metamaterials and more, researchers at the University of Illinois have demonstrated the first optoelectronically active 3-D photonic crystal.
Jul 24, 2011 |
5 / 5 (15) |
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Did Phosphorus Trigger Complex Evolution -- and Blue Skies?
(PhysOrg.com) -- The evolution of complex life forms may have gotten a jump start billions of years ago, when geologic events operating over millions of years caused large quantities of phosphorus to wash ...
Space & Earth / Earth Sciences
May 10, 2010 |
4.8 / 5 (15) |
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Graduate student finds a 'start/stop switch' for retroviruses
A University of British Columbia doctoral candidate has discovered a previously unknown mechanism for silencing retroviruses, segments of genetic material that can lead to fatal mutations in a cell's DNA.
Medicine & Health / Medical research
Apr 08, 2010 |
5 / 5 (14) |
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Human enzyme breaks down potentially toxic nanomaterials
An international study based at the University of Pittsburgh provides the first identification of a human enzyme that can biodegrade carbon nanotubes—the superstrong materials found in products from electronics to plastics—and ...
Nanotechnology / Bio & Medicine
Apr 07, 2010 |
4.7 / 5 (13) |
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Cell membrane is patterned like a patchwork quilt
(Phys.org) -- As the interface between the cell and its environment, the cell membrane, which consists of fats and proteins, fulfils a variety of vital functions. Scientists at the Max Planck Institute of ...
May 05, 2012 |
4.5 / 5 (13) |
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Unsung hero: Researchers produce high-res model of Ndc80 in action
(PhysOrg.com) -- Unless you are in a field of study related to cell biology, you most likely have never heard of Ndc80. Yet this protein complex is essential to mitosis, the process by which a living cell ...
Oct 14, 2010 |
4.8 / 5 (12) |
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Plants that can move inspire new adaptive structures
The Mimosa plant, which folds its leaves when they're touched, is inspiring a new class of adaptive structures designed to twist, bend, stiffen and even heal themselves. University of Michigan researchers ...
Feb 19, 2011 |
4.7 / 5 (12) |
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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 ...
Feb 13, 2012 |
4.6 / 5 (12) |
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Rational design can improve hydrogen fuel cell efficiency
(PhysOrg.com) -- Hydrogen fuel cells, in which the chemical energy of hydrogen is converted into electricity, offer the potential for a wide variety of applications, especially in transportation and power ...
Feb 29, 2012 |
4.4 / 5 (12) |
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