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A coating for life: Biodegradable fibers advance stent technology and brain surgery, then disappear

A coating for life: Biodegradable fibers advance stent technology and brain surgery, then disappear

Biology / Biotechnology

created Nov 24, 2009 | popularity 4.8 / 5 (5) | comments 0

Stents that keep weakened and flabby arteries from collapsing have been true life-savers. But after six months, those stents are no longer needed -- once the arteries are strengthened, they become unnecessary. ...


Behavior modification could ease concerns about nanoparticles

Behavior modification could ease concerns about nanoparticles

Space & Earth / Environment

created Nov 12, 2009 | popularity 4 / 5 (1) | comments 0

In an advance that could help ease health and environmental concerns about the emerging nanotechnology industry, scientists are reporting development of technology for changing the behavior of nanoparticles ...


Yeast in a shell: Coating individual living yeast cells with silicon dioxide

Chemistry / Biochemistry

created Nov 03, 2009 | popularity 4.3 / 5 (3) | comments 0

(PhysOrg.com) -- Our breakfast egg is a peculiarity of nature: a single cell protected by a thin mineral layer. Apart from a number of tiny radiolaria and diatoms, individual cells normally do not have a hard shell. Korean ...


3-D system based on optical fiber could provide new options for photovoltaics

3-D system based on optical fiber could provide new options for photovoltaics

Nanotechnology / Nanomaterials

created Nov 02, 2009 | popularity 4.4 / 5 (10) | comments 0

Converting sunlight to electricity might no longer mean large panels of photovoltaic cells atop flat surfaces like roofs.


Living buildings could mop up carbon dioxide

Living buildings could mop up carbon dioxide

Other Sciences / Other

created Nov 27, 2009 | popularity 1 / 5 (2) | comments 0

(PhysOrg.com) -- Architecture could help us tackle climate change, if we start to design our buildings with 'living' materials, according to Dr Rachel Armstrong, UCL Bartlett School of Architecture.


New Synthetic Molecules Trigger Immune Response to HIV and Prostate Cancer

New Synthetic Molecules Trigger Immune Response to HIV and Prostate Cancer

Chemistry / Biochemistry

created Nov 05, 2009 | popularity 4.7 / 5 (9) | comments 0

(PhysOrg.com) -- Researchers at Yale University have developed synthetic molecules capable of enhancing the body’s immune response to HIV and HIV-infected cells, as well as to prostate cancer cells. Their ...


Implantable Glucose Sensor Could Spell Relief for Millions of Diabetics (w/ Video)

Implantable Glucose Sensor Could Spell Relief for Millions of Diabetics (w/ Video)

Medicine & Health / Research

created Nov 09, 2009 | popularity 5 / 5 (5) | comments 0

(PhysOrg.com) -- UConn researchers have developed a tiny wireless device that can be inserted under a patient?s skin to monitor blood glucose levels over a period of several months.


Scientists explain binding action of 2 key HIV antibodies; could lead to new vaccine design

Medicine & Health / Research

created Nov 09, 2009 | popularity not rated yet | comments 0

A very close and detailed study of how the most robust antibodies work to block the HIV virus as it seeks entry into healthy cells has revealed a new direction for researchers hoping to design an effective vaccine.


Carbon atmosphere discovered on neutron star

Carbon Atmosphere Discovered on Neutron Star

Space & Earth / Astronomy

created Nov 04, 2009 | popularity 4.7 / 5 (19) | comments 1

(PhysOrg.com) -- Evidence for a thin veil of carbon has been found on the neutron star in the Cassiopeia A supernova remnant. This discovery, made with NASA's Chandra X-ray Observatory, resolves a ten-year ...


Nanotechnology: A risky frontier?

Nanotechnology / Nanomaterials

created Nov 05, 2009 | popularity 4.8 / 5 (5) | comments 0

Inside a cramped back room at Rushford Hypersonic, a start-up headquartered in southeastern Minnesota, sits a cube-like machine that throws a mean atomic fastball. At the push of a button, the reactor hurls atoms toward a ...