Latest Nanowire Stories

2012-05-24 20:59:17

Sensors that work flawlessly in laboratory settings may stumble when it comes to performing in real-world conditions, according to researchers at the Department of Energy's Oak Ridge National Laboratory. These shortcomings are important as they relate to safeguarding the nation's food and water supplies, said Ali Passian, lead author of a Perspective paper published in ACS Nano. In their paper, titled "Critical Issues in Sensor Science to Aid Food and Water Safety," the researchers observe...

2012-05-14 20:39:00

In the ongoing search for smaller, faster and more efficient computers, new research from the University of Gothenburg, Sweden suggests graphene and carbon nanotubes could be used to create these super small, super fast computers and smartphones. Both made of carbon, the nanotubes and graphene have specific and unique properties, making them ideal for computing. Graphene, for example, is made up of carbon layers which are only atom-thick. Nanotubes are comprised in a similar way, and...

Breathalyzer Reveals Signs Of Disease
2012-05-07 10:11:46

[ Watch the Video ] One exhale and new device could screen for everything from diabetes to lung cancer This invention could give new meaning to the term "bad breath!" It's the Single Breath Disease Diagnostics Breathalyzer, and when you blow into it, you get tested for a biomarker–a sign of disease. As amazing as that sounds, the process is actually very simple thanks to ceramics nanotechnology. All it takes is a single exhale. You blow into a small valve attached to a box that...

Scientists Say They've Found The Elusive Majorana Fermion
2012-04-15 04:48:19

After a search that has lasted roughly three-quarters of a century, researchers believe they have at long last discovered evidence of an elusive particle that could be its own anti-particle. The existence of the particle, which is known as the Majorana fermion, was first predicted some 75 years ago, according to BBC News Science Correspondent Jonathan Amos. Now, a team of Dutch scientists believe that they have created an electronic device small enough to test for the Majorana, and they...

2012-03-28 17:24:55

Rice University lab develops starfruit-shaped nanorods for medical imaging, chemical sensing They look like fruit, and indeed the nanoscale stars of new research at Rice University have tasty implications for medical imaging and chemical sensing. Starfruit-shaped gold nanorods synthesized by chemist Eugene Zubarev and Leonid Vigderman, a graduate student in his lab at Rice´s BioScience Research Collaborative, could nourish applications that rely on surface-enhanced Raman...

2012-02-21 23:10:56

Discovery is designed to allow inexpensive detection of poisonous industrial gases by workers wearing small sensor chips filled with gold nanowires Researchers at the University of Pittsburgh have coaxed gold into nanowires as a way of creating an inexpensive material for detecting poisonous gases found in natural gas. Along with colleagues at the National Energy Technology Laboratory (NETL), Alexander Star, associate professor of chemistry in Pitt's Kenneth P. Dietrich School of Arts and...

2012-02-16 11:06:38

By adding an incredibly thin coating of alumina to a metal surface, researchers at the Georgia Institute of Technology have doubled the rate that heat travels from a solid surface — such as a pot on a stove — into the liquid in the pot. The results are published in the American Institute of Physics' journal Applied Physics Letters. Pool boiling is the most common and familiar method of heating a container's contents, and is a remarkably efficient heat transfer method. The...

Microscopy Explores Nanowires' Weakest Link
2012-02-14 04:54:25

Individual atoms can make or break electronic properties in one of the world's smallest known conductors–quantum nanowires. Microscopic analysis at the Department of Energy's Oak Ridge National Laboratory is delivering a rare glimpse into how the atomic structure of the conducting nanowires affects their electronic behavior. The ORNL team's microscopy confirmed that deliberately introduced defects, which are only the size of a single atom, could turn a conducting nanowire into an...

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