News tagged with mixtures
Powerhouses in the cell dismantled
Oct 15, 2009 |
not rated yet |
0
All of life is founded on the interactions of millions of proteins. These are the building blocks for cells and form the molecular mechanisms of life. The problem is that proteins are extremely difficult to study, particularly ...
Surface tension drives segregation within cell mixtures
Oct 06, 2008 |
3.7 / 5 (3) |
0
What does a mixture of two different kinds of cells have in common with a mixture of oil and water? The same basic force causes both mixtures to separate into two distinct regions.
Search results for mixtures
Porphyrin Dimers Increase Efficiency of Dye-Sensitized Solar Cells
Oct 30, 2009 |
4.5 / 5 (12) |
1
(PhysOrg.com) -- Porphyrins are most commonly thought of as the pigment in red blood cells, but now scientists have found that porphyrins can also be used to increase the efficiency of an inexpensive type ...
Scientists examine how common pesticide mixes may affect bee die-offs
Oct 29, 2009 |
not rated yet |
0
(PhysOrg.com) -- Since reports of widespread bee die-offs began to surface in October 2006, researchers have investigated possible reasons ranging from hive-infecting mites to cell phone-tower radiation. They have yet to ...
Mirror images united: Simultaneous binding of both enantiomers of a drug to an enzyme
Oct 29, 2009 |
5 / 5 (2) |
0
(PhysOrg.com) -- In the binding pockets of enzymes their natural binding partners fit exactly. The principle by which many pharmacological agents work also relies on the fact that these substances fit exactly into the pockets ...
Researchers find new route to nano self-assembly
Nanotechnology / Nanomaterials
Oct 22, 2009 |
4.9 / 5 (9) |
0
(PhysOrg.com) -- If the promise of nanotechnology is to be fulfilled, nanoparticles will have to be able to make something of themselves. An important advance towards this goal has been achieved by researchers ...
Study Shows Time Traveling May Not Increase Computational Power
Oct 22, 2009 |
4.1 / 5 (26) |
5
(PhysOrg.com) -- For more than 50 years, physicists have been intrigued by the concept of closed time-like curves (CTCs). Because a CTC returns to its starting point, it raises the possibility of traveling backward in time. ...
0.2 second test for explosive liquids
Oct 20, 2009 |
4.6 / 5 (7) |
0
(PhysOrg.com) -- Since a failed terrorist attack in 2006, plane passengers have not been able to carry bottles of liquid through security at airports, leaving some parched at the airport and others having ...
Researchers uncover recipe for controlling carbon nanotubes
Nanotechnology / Nanomaterials
Oct 14, 2009 |
4.6 / 5 (5) |
1
(PhysOrg.com) -- Carbon nanotubes hold promise for delivering medicine directly to a tumor; acting as sensors so keen they detect the arrival or departure of a single electron; replacing costly platinum in ...
Forensics firm builds on genomic discovery to advance DNA-based identification
Oct 13, 2009 |
not rated yet |
0
High-tech forensics firm, Casework Genetics is applying new technology to forensic evidence enabling law enforcement labs to solve crimes with greater molecular precision and efficiency than ever before.
A Hazy View of Early Earth
Space & Earth / Earth Sciences
Oct 12, 2009 |
4.3 / 5 (4) |
3
Haze in the early Earth atmosphere could have played a crucial role in the origin of life. By forming a protective shield, the haze would have safeguarded organic substances from harmful ultraviolet (UV) radiation. ...
For Future Superconductors, a Little Bit of Lithium May Do Hydrogen a Lot of Good
Oct 05, 2009 |
4.3 / 5 (12) |
5
(PhysOrg.com) -- Scientists have a long and unsuccessful history of attempting to convert hydrogen to a metal by squeezing it under incredibly high and steady pressures.
List of search results for mixtures
