News tagged with polymer chain

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How Did Evolution Begin?

How Did Evolution Begin?

Chemistry / Biochemistry

created Sep 28, 2009 | popularity 4.3 / 5 (28) | comments 17

(PhysOrg.com) -- Life's ability to replicate itself is essential for evolution, yet even the simplest kind of replication requires a relatively complex system. So what kind of non-replicating system might ...


The Long and the Short of Acrylate Polymerization

The Long and the Short of Acrylate Polymerization

Chemistry / Polymers

created Sep 22, 2009 | popularity 3 / 5 (2) | comments 0

(PhysOrg.com) -- Used in such diverse applications as adhesives, detergents, and super-absorbent disposable diapers, polyacrylates are key polymers, but the mechanisms of their formation are complex and have ...


Molten Proteins: Surface-modified liquid protein with liquid-crystalline properties

Chemistry / Materials Science

created Aug 17, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Proteins are solids. When heated they do not melt; instead, they decompose or sublime directly to the gas phase at low pressures. They cannot be converted into a liquid form unless they are dissolved in a ...


'Writing' Patterns on Carbon Nanotubes With Polymer Chains

'Writing' Patterns on Carbon Nanotubes With Polymer Chains

Nanotechnology / Nanomaterials

created May 19, 2009 | popularity 4.4 / 5 (11) | comments 3

(PhysOrg.com) -- Carbon nanotubes are at the center of the nanoelectronics research movement, with scientists making great progress toward getting nanotube-based electronic devices into the hands of consumers. ...





Search results for polymer chain


Video game watchdog shuts down, victim of economy

Technology / Other

created Dec 18, 2009 | popularity not rated yet | comments 0

(AP) -- David Walsh said when he was assembling his first report card on video game violence 13 years ago, children were attacking on-screen monsters or aliens with imaginary chain saws and guns.


Will a carrot or a stick prompt purchase of more carrots?

Medicine & Health / Health

created Dec 18, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Would a so-called Twinkie tax help curb obesity rates? Should shoppers who buy healthy goods earn rebates? A new study will seek to unravel the likely implications of legislative attempts to promote healthy ...


The LHC tunnel

Large Hadron Collider preparing 2010 new science restart

Physics / General Physics

created Dec 18, 2009 | popularity 4.6 / 5 (12) | comments 2

(AP) -- The world's largest atom smasher, which exceeded expectations after its comeback from heavy damage, will be ready to begin a groundbreaking research program in February, the operator said Friday.


Researchers create new 'smart' nanocapsule delivery system for use in protein therapy

Nanotechnology / Bio & Medicine

created Dec 18, 2009 | popularity 5 / 5 (2) | comments 1

the delivery of healthy proteins directly into human cells to replace malfunctioning proteins — is considered one of the most direct and safe approaches for treating diseases. But its effectiveness has been limited by low ...


Acid oceans: the 'evil twin' of climate change (AP)

Acid oceans: the 'evil twin' of climate change

Space & Earth / Environment

created Dec 18, 2009 | popularity 4.1 / 5 (16) | comments 12

(AP) -- Far from Copenhagen's turbulent climate talks, the sea lions, harbor seals and sea otters reposing along the shoreline and kelp forests of this protected marine area stand to gain from any global ...


New pictures reveal rich Antarctic marine life in area of rapid climate change

New pictures reveal rich Antarctic marine life in area of rapid climate change

Space & Earth / Environment

created Dec 17, 2009 | popularity 4.5 / 5 (8) | comments 0

(PhysOrg.com) -- New photographs of ice fish, octopus, sea pigs, giant sea spiders, rare rays and beautiful basket stars that live in Antarctica’s continental shelf seas are revealed this week by the British ...


Headwater stream nutrient enrichment disrupts food web

Biology / Ecology

created Dec 17, 2009 | popularity 4.2 / 5 (6) | comments 0

Human activity is increasing the supply of nutrients, such as nitrogen and phosphorus, to stream systems all over the world. The conventional wisdom -- bolstered by earlier research -- has held that these additional nutrients ...


Heme channel found

Heme channel found

Biology / Cell & Microbiology

created Dec 17, 2009 | popularity not rated yet | comments 0

In some ways a cell in your body or an organelle in that cell is like an ancient walled town. Life inside either depends critically on the intelligence of the gatekeepers.


Smart phones are making Wi-Fi hotspots hot again

Technology / Telecom

created Dec 17, 2009 | popularity not rated yet | comments 0

Lisa Helminiak, who uses her iPhone as a computer as much as to talk, has declared her independence from the slow cell phone network. Instead of using AT&T's network, she's using her phone's Wi-Fi capability to connect to ...


New Study of Meteorite Provides More Evidence for Ancient Life on Mars

New Study of Meteorite Provides More Evidence for Ancient Life on Mars

Space & Earth / Space Exploration

created Dec 17, 2009 | popularity 4.8 / 5 (37) | comments 14

(PhysOrg.com) -- In 1996, when scientists examined a meteorite from Mars previously uncovered in Antarctica, they were intrigued by what looked like microscopic fossils of ancient Martian life forms. Now, ...



List of search results for polymer chain