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Bacteria make the artificial blood vessels of the future

Bacteria make the artificial blood vessels of the future

Medicine & Health / Research

created Dec 22, 2009 | popularity not rated yet | comments 0

The cellulose produced by bacteria could be used for artificial blood vessels in the future as it carries a lower risk of blood clots than the synthetic materials currently used for bypass operations, reveals ...


Researchers crack part of the neuronal code

Researchers crack part of the neuronal code

Medicine & Health / Neuroscience

created Dec 22, 2009 | popularity 4.9 / 5 (7) | comments 0

(PhysOrg.com) -- Prostheses for paralysed patients, communication with patients who have lost all capacity for normal communication - the hopes for modern brain research are high. However, such brain-machine ...


Bioengineered materials promote the growth of functional vasculature, new study shows

Bioengineered materials promote the growth of functional vasculature, new study shows

Medicine & Health / Research

created Dec 21, 2009 | popularity 4.8 / 5 (4) | comments 1

Regenerative medicine therapies often require the growth of functional, stable blood vessels at the site of an injury. Using synthetic polymers called hydrogels, researchers at the Georgia Institute of Technology ...


Swimming Bacteria Could Become Model for Micromachines

Swimming Bacteria Could Become Model for Micromachines

Physics / General Physics

created Dec 21, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- UConn researchers say Spiroplasma's propulsion style is optimal for converting energy into motion.


Switchable Nanostructures Made with DNA

Switchable Nanostructures Made with DNA

Nanotechnology / Bio & Medicine

created Dec 21, 2009 | popularity 4.6 / 5 (9) | comments 0

(PhysOrg.com) -- Scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have found a new way to use a synthetic form of DNA to control the assembly of nanoparticles — this time resulting ...


Molecular freight: Synthetic nanoscale transport system modeled on nature

Chemistry / Biochemistry

created Dec 21, 2009 | popularity 4.4 / 5 (5) | comments 0

(PhysOrg.com) -- Just like our roads, there is a lot of traffic within the cells in our bodies, because cell components, messenger molecules, and enzymes must also be brought to the right places in the cell. One of these ...


Sucking Up To Survive

Sucking Up To Survive

Biology / Plants & Animals

created Dec 10, 2009 | popularity 5 / 5 (5) | comments 0

Shrink a human being down to the size of an insect, and you would no longer be able to sip lemonade from a straw. The forces that hold liquid together would simply be too great to overcome at that tiny scale.


Stanford researchers develop the next generation of retinal implants

Medicine & Health / Research

created Dec 10, 2009 | popularity 4.9 / 5 (10) | comments 1

(PhysOrg.com) -- A team of Stanford researchers has developed a new generation of retinal implants that aims to provide higher resolution and make artificial vision more natural.


Researchers Build Artificial Immune System to Solve Computational Problems

Researchers Build Artificial Immune System to Solve Computational Problems

Technology / Computer Sciences

created Dec 03, 2009 | popularity 4.8 / 5 (14) | comments 0

(PhysOrg.com) -- By mimicking the way that a living body acquires immunity to disease through vaccination, researchers have designed an artificial immune system to solve optimization problems more effectively ...


Golden Oldie: Key Role for Ancient Protein in Algae Photosynthesis

Golden Oldie: Key Role for Ancient Protein in Algae Photosynthesis

Biology / Biotechnology

created Nov 27, 2009 | popularity 3.3 / 5 (3) | comments 2

The discovery that an ancient light harvesting protein plays a pivotal role in the photosynthesis of green algae should help the effort to develop algae as a biofuels feedstock. Researchers with the Lawrence ...


Cells defend themselves from viruses, bacteria with armor of protein errors

Biology / Cell & Microbiology

created Nov 25, 2009 | popularity 5 / 5 (7) | comments 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 ...


Butterfly proboscis to sip cells

Physics / General Physics

created Nov 22, 2009 | popularity not rated yet | comments 0

A butterfly's proboscis looks like a straw -- long, slender, and used for sipping -- but it works more like a paper towel, according to Konstantin Kornev of Clemson University. He hopes to borrow the tricks of this piece ...


Scientists identify DNA that regulates antibody production

Medicine & Health / Research

created Nov 20, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- When foreign invaders trip the immune system’s alarm, antibodies need to be specially sculpted to attack them head on. New research now shows that gene segments called enhancers control the reshuffling of ...


Scientists guide immune cells with light and microparticles

Scientists guide immune cells with light and microparticles (w/ Video)

Chemistry / Biochemistry

created Nov 16, 2009 | popularity 5 / 5 (3) | comments 0

A team led by Yale University scientists has developed a new approach to studying how immune cells chase down bacteria in our bodies. Their findings are described in the November 15 issue of Nature Methods Advanc ...


Engineers Will Create Planetary Rover From Retinal Implant Test Robot

Engineers Will Create Planetary Rover From Retinal Implant Test Robot

Electronics / Robotics

created Nov 11, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- The research, led by Wolfgang Fink, will aid both people with visual impairments and scientists involved in planetary exploration.