News tagged with polymer chains
A Tiny Cage of Gold Responds to Light, Opening to Empty Its Contents
Nanotechnology / Bio & Medicine
Nov 19, 2009 |
5 / 5 (3) |
0
(PhysOrg.com) -- Researchers at Washington University in St. Louis have developed a polymer-coated gold nanocage that not only opens in response to light to release a small amount of a drug payload, but then closes when the ...
Researchers achieve breakthrough in effort to develop tiny biological fuel cells
Nanotechnology / Nanomaterials
Jun 19, 2009 |
3.8 / 5 (6) |
1
University of Georgia researchers have developed a successful way to grow molecular wire brushes that conduct electrical charges, a first step in developing biological fuel cells that could power pacemakers, cochlear implants ...
Discovery brings organic solar cells a step closer
Jan 15, 2009 |
4.3 / 5 (11) |
0
Inexpensive solar cells, vastly improved medical imaging techniques and lighter and more flexible television screens are among the potential applications envisioned for organic electronics.
Under pressure at the nanoscale, polymers play by different rules
Oct 02, 2008 |
4.6 / 5 (8) |
1
Scientists putting the squeeze on thin films of polystyrene have discovered that at very short length scales the polymer doesn't play by the rules.
Search results for polymer chains
Implant-based cancer vaccine is first to eliminate tumors in mice
Nov 25, 2009 |
4.7 / 5 (22) |
7
(PhysOrg.com) -- A cancer vaccine carried into the body on a carefully engineered, fingernail-sized implant is the first to successfully eliminate tumors in mammals, scientists report this week in the journal ...
Cells defend themselves from viruses, bacteria with armor of protein errors
Nov 25, 2009 |
5 / 5 (7) |
1
When cells are confronted with an invading virus or bacteria or exposed to an irritating chemical, they protect themselves by going off their DNA recipe and inserting the wrong amino acid into new proteins to defend them ...
Ice Cold: Cooler Than Being Cool
Nov 24, 2009 |
4.2 / 5 (10) |
0
(PhysOrg.com) -- Water expands when it freezes. Anyone who has ever left a can of soda or bottle of water in the freezer too long has witnessed this first hand. So how do plants and animals survive severe ...
Nanotech in Space: Experiment To Weather the Trials of Orbit
Nanotechnology / Nanomaterials
Nov 24, 2009 |
4 / 5 (2) |
0
Novel nanomaterials developed at Rensselaer were sent into orbit on Nov. 16 aboard Space Shuttle Atlantis.
Popcorn at the movies still an unhealthy treat
Nov 23, 2009 |
4.5 / 5 (2) |
5
(PhysOrg.com) -- A study carried out in 1994 by advocacy group CSPI (Center for Science in the Public Interest) found that popcorn being sold by cinema chains in the US was high in saturated fat and calories, ...
Bioengineers succeed in producing plastic without the use of fossil fuels
Nov 23, 2009 |
4.9 / 5 (17) |
0
A team of pioneering South Korean scientists have succeeded in producing the polymers used for everyday plastics through bioengineering, rather than through the use of fossil fuel based chemicals. This groundbreaking research, ...
Atomic-level Snapshot Catches Protein Motor in Action (w/ Video)
Nov 20, 2009 |
4.7 / 5 (3) |
1
(PhysOrg.com) -- The atomic-level action of a remarkable class of ring-shaped protein motors has been uncovered by researchers with the Lawrence Berkeley National Laboratory using a state-of-the-art protein ...
Just like old times: Generating RNA molecules in water
Nov 20, 2009 |
4 / 5 (3) |
0
A key question in the origin of biological molecules like RNA and DNA is how they first came together billions of years ago from simple precursors. Now, in a study appearing in this week's Journal of Biological Chemistry, resear ...
Sweet -- sugared polymer a new weapon against allergies and asthma
Nov 19, 2009 |
not rated yet |
0
Scientists at Johns Hopkins and their colleagues have developed sugar-coated polymer strands that selectively kill off cells involved in triggering aggressive allergy and asthma attacks. Their advance is a significant step ...
Scientists synthesize graphene-like material: Polymer with honeycomb structure
Nanotechnology / Nanomaterials
Nov 19, 2009 |
4.7 / 5 (11) |
1
Two-dimensional carbon layers, so-called graphenes, are regarded as a possible substitute for silicon in the semiconductor industry. The electronic properties of these layers can be varied by "building in" ...
List of search results for polymer chains
