News tagged with cell structure
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.
May 25, 2012 |
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A new optical microscopy approach opens the door to better observations in molecular biology
Researchers from the Institut Pasteur and CNRS have set up a new optical microscopy approach that combines two recent imaging techniques in order to visualize molecular assemblies without affecting their biological ...
May 17, 2012 |
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Microscope looks into cells of living fish
Microscopes provide valuable insights in the structure and dynamics of cells, in particular when the latter remain in their natural environment. However, this is very difficult especially for higher organisms. ...
May 16, 2012 |
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A new dimension to DNA and personalized medicine of the future
(Phys.org) -- By investigating the existence of an unusual four-stranded structure of DNA in human cells, scientists have opened the door to novel cancer therapeutics and a new era for personalised medicine.
May 16, 2012 |
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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 |
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Light touch keeps a grip on delicate nanoparticles
(Phys.org) -- Using a refined technique for trapping and manipulating nanoparticles, researchers at the National Institute of Standards and Technology (NIST) have extended the trapped particles' useful life ...
Nanotechnology / Bio & Medicine
May 03, 2012 |
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Slicing mitotic spindle with lasers, nanosurgeons unravel old pole-to-pole theory
The mitotic spindle, an apparatus that segregates chromosomes during cell division, may be more complex than the standard textbook picture suggests, according to researchers at the Harvard School of Engineering ...
Apr 26, 2012 |
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Study shows developing organisms can identify and fix abnormalities in head and face
Developmental biologists at Tufts University have identified a "self-correcting" mechanism by which developing organisms recognize and repair head and facial abnormalities. This is the first time that such ...
Apr 25, 2012 |
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3-D RNA modeling opens scientific doors
In a paper published today in the journal Nature Methods, a team from the University of North Carolina at Chapel Hill demonstrates a simple, cost-effective technique for three-dimensional RNA structure predic ...
Apr 15, 2012 |
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'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
Apr 03, 2012 |
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Another piece of the ion pump puzzle
From bacteria to humans, all cells use molecules of adenosine triphosphate (ATP) as fuel to power a broad range of biochemical reactions. For example, massive multi-subunit enzymes known as V-ATPases convert ...
Mar 16, 2012 |
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Touch of gold improves nanoparticle fuel-cell reactions
Advances in fuel-cell technology have been stymied by the inadequacy of metals studied as catalysts. The drawback to platinum, other than cost, is that it absorbs carbon monoxide in reactions involving fuel ...
Nanotechnology / Nanomaterials
Mar 12, 2012 |
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Defect in transport system causes DNA chaos in red blood cells
Within all our cells lies two meters of DNA, highly ordered in a structure of less than 10 micro meters in diameter. Special proteins called histones act as small building bricks, organising our DNA in this structure. Preservation ...
Mar 12, 2012 |
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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 |
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Sea sponge potential source of new medicines
The sea sponge has provided Flinders University researchers with inspiration for the discovery and development of new therapeutic agents in the treatment of infectious diseases and cancers.
Feb 28, 2012 |
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