Duke University
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5 hours ago | News
Duke Univ. researchers have devised a method to dry and preserve proteins in a glassified form that seems to retain the molecules' properties as workhorses of biology.
12/21/2009 | News
Duke Univ. engineers have created a new generation of lens that could greatly improve the capabilities of telecommunications or radar systems to provide a wide field of view and greater detail.
11/30/2009 | News
Finding and treating a tumor without disturbing normal tissue presents challenges—sometimes the most effective therapies can be invasive and harsh. Researchers at Duke Univ. Medical Center have devised a way they might deliver the right therapy directly to tumors using special molecules, called aptamers, which specifically bind to living tumor tissue.
10/30/2009 | News
By taking advantage of the vagaries of the natural world, Duke Univ. engineers have developed a novel approach that they believe can more efficiently harvest electricity from the motions of everyday life. Energy harvesting is the process of converting one form of energy, such as motion, into another form of energy, in this case electricity. Strategies range from the development of massive wind farms to produce large amounts of electricity to using the vibrations of walking to power small electronic devices.
10/28/2009 | News
What do spore-launching mushrooms have in common with highly water-repellant surfaces? According to Duke Univ. engineers, the answer is “jumping” water droplets. As it turns out, the same phenomenon that occurs when it’s time for certain mushrooms to eject spores also occurs when dew droplets skitter across a surface that is highly water repellant, or superhydrophobic.
9/15/2009 | News
A new analysis by an international team of researchers argues for a new look at the way nanoparticles are selected when studying the potential impacts on human health and the environment. They have found that while many small particles are considered to be "nano," these materials often do not meet full definition of having special properties that make them different from conventional materials.
8/19/2009 | News
A new method for attaching a large protective polymer molecule to a protein appears to improve protein drugs significantly. Bioengineers at Duke Univ. developed the new approach and demonstrated in an animal model that the newly created protein-polymer combinations, known as conjugates, remained in circulation significantly longer than an unprotected protein.
8/12/2009 | News
Named after the Roman god whose two faces point opposite directions, the Janus particle is coated with metallic material on a single hemisphere to facilitate orientation by way of magnetic fields. However, the coating interferes with optical beams, which led engineers at Duke Univ. to create a way to coat these particles with a small cap of cobalt, allowing six degrees of freedom instead of the usual four.
6/19/2009 | News
Bioengineers at Duke Univ. have developed a laboratory robot that can successfully locate tiny pieces of metal within flesh and guide a needle to its exact location without the need for human assistance.