 Carbon Nanotubes Compromise the Functions of Certain Protozoa, Study Shows June 18, 2008 | User rating: 4.8 / 5 after 29 vote(s)
| User comments: 3
A new study by researchers from the University of Waterloo in Ontario, Canada, hints that carbon nanotubes may be toxic to microorganisms. When cultures of a certain key protozoan, a single-cell organism, ... | |
 Nanobacteria – Are They Alive? April 23, 2008 | User rating: 4.6 / 5 after 85 vote(s)
| User comments: 9
Tiny particles called nanobacteria have intrigued researchers in many ways since their discovery 20 years ago, but perhaps the most controversial question they pose is whether or not they are alive. | |
 First Direct Images of Carbon Nanotubes Entering Cells November 15, 2007 | User rating: 4.6 / 5 after 84 vote(s)
| User comments: 12
For the first time, scientists have directly imaged carbon nanotubes entering and migrating within human cells, determining as a result that whether the nanotubes cause cell death depends on the dose and exposure ... | |
 Molecules autonomously propelled by polymerizing DNA strands September 06, 2007 | User rating: 4.4 / 5 after 41 vote(s)
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Scientists from the California Institute of Technology have fabricated a motor that runs autonomously, and is powered only by the free energy of DNA hybridization. The molecular motor was inspired by bacterial ... | |
 Carbon nanotube injectors probe living cells without damage June 20, 2007 | User rating: 4.6 / 5 after 55 vote(s)
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In order to investigate the processes that go on inside a single human cell—or even specific subcellular compartments—researchers need a device that is small and controlled enough to pass through ... | |
Carbon-Nanotube Toxicity Test Tricks Scientists September 05, 2006 | User rating: 4.2 / 5 after 47 vote(s)
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Recent research has revealed that a standard cell-viability test may be causing carbon-nanotubes to “fake” toxicity. This work may explain why some studies have concluded that carbon nanotubes – which are being studied for ... | |
Nanowire arrays can detect signals along individual neurons August 24, 2006 | User rating: 4.3 / 5 after 49 vote(s)
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Opening a whole new interface between nanotechnology and neuroscience, scientists at Harvard University have used slender silicon nanowires to detect, stimulate, and inhibit nerve signals along the axons and dendrites of ... | |
 Stretching DNA Yields Surprise August 08, 2006 | User rating: 4.3 / 5 after 34 vote(s)
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Most of us are familiar with the winding staircase image of DNA, the repository of a biological cell's genetic information. But few of us realize just how tightly that famous double helix is wound. | |
 Sandia work shows live cells influence growth of nanostructures July 20, 2006 | User rating: 4.3 / 5 after 7 vote(s)
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Far above the heads of Earthlings, arrays of single-cell creatures are circling Earth in nanostructures. The sample devices are riding on the International Space Station (courtesy of Sandia National Laboratories ... | |
 Quantum Dots Pose Minimal Impact to Cells July 18, 2006 | User rating: 4.2 / 5 after 22 vote(s)
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Nano-sized fluorescent probes that can slip inside living cells and elucidate life’s most fundamental processes, or track the effectiveness of cancer-fighting drugs, are barely noticed by the cells they enter, ... | |
 Gene silencer and quantum dots reduce protein production to a whisper June 23, 2008 | User rating: 4.6 / 5 after 25 vote(s)
| User comments: 1
More than 15 years ago scientists discovered a way to stop a particular gene in its tracks. The Nobel Prize-winning finding holds tantalizing promise for medical science, but so far it has been difficult to ... | |
How buckyballs hurt cells May 27, 2008 | User rating: 4.5 / 5 after 26 vote(s)
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A new study into the potential health hazards of the revolutionary nano-sized particles known as ‘buckyballs’ predicts that the molecules are easily absorbed into animal cells, providing a possible explanation for how the ... | |
Failed HIV Drug Gets Second Chance with Addition of Gold Nanoparticles May 23, 2008 | User rating: 3.9 / 5 after 21 vote(s)
| User comments: 2
Researchers at North Carolina State University have discovered that adding tiny bits of gold to a failed HIV drug rekindle the drug's ability to stop the virus from invading the body's immune system. | |
 Nanotechnology innovation may revolutionize gene detection in a single cell January 10, 2008 | User rating: 4.4 / 5 after 34 vote(s)
| User comments: 1
Scientists at Arizona State University’s Biodesign Institute have developed the world’s first gene detection platform made up entirely from self-assembled DNA nanostructures. The results, appearing in the ... | |
 Nanoparticle Could Help Detect Many Diseases Early August 20, 2007 | User rating: 4.9 / 5 after 19 vote(s)
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Most people think of hydrogen peroxide as a topical germ killer, but the medicine cabinet staple is gaining steam in the medical community as an early indicator of disease in the body. | |
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