Engineers create carbon nanopipettes that are smaller than cells and measure electric current

University of Pennsylvania engineers and physicians have developed a carbon nanopipette thousands of times thinner than a human hair that measures electric current and delivers fluids into cells. Researchers developed this tiny carbon-based tool to probe cells with minimal intrusion and inject fluids without damaging or inhibiting cell growth.

 

 

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Nanotechnology innovation may revolutionize gene detection in a single cell

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 January 11 issue of the journal Science, could have broad implications for gene chip technology and may also revolutionize the way in which gene expression is analyzed in a single cell.

 

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Researchers aim to harness sperm power for nano-robots

Researchers at Cornell are working to use the same energy that drives sperm to power nanoscale robots or to deliver chemo drugs or antibiotics, for example, to targeted sites within the body. The findings were presented at the American Society for Cell Biology’s 47th annual meeting, Dec. 3, in Washington, D.C.
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Preclinical Results Report Radio Waves Fire Up Nanotubes Embedded In Tumors, Destroying Liver Cancer

Cancer cells treated with carbon nanotubes can be destroyed by non-invasive radio waves that heat up the nanotubes while sparing untreated tissue, a research team led by scientists at The University of Texas M. D. Anderson Cancer Center and Rice University has shown in preclinical experiments.

In a paper posted online ahead of December publication in the journal Cancer, researchers show that the technique completely destroyed liver cancer tumors in rabbits. There were no side effects noted. However, some healthy liver tissue within 2-5 millimeters of the tumors sustained heat damage due to nanotube leakage from the tumor.
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Nanotech Trojan Horse That Kills Cancer

Scientists have created the nanotechnology equivalent of a Trojan horse to smuggle a powerful chemotherapeutic drug inside tumor cells – increasing the drug’s cancer-killing activity and reducing its toxic side effects.

Previous studies in cell cultures have suggested that attaching anticancer drugs to nanoparticles for targeted delivery to tumor cells could increase the therapeutic response. Now, U-M scientists have shown that this nanotechnology-based treatment is effective in living animals.

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Nanomedicine opens the way for nerve cell regeneration

The ability to regenerate nerve cells in the body could reduce the effects of trauma and disease in a dramatic way. In two presentations at the NSTI Nanotech 2007 Conference, researchers describe the use of nanotechnology to enhance the regeneration of nerve cells. In the first method, developed at the University of Miami, researchers show how magnetic nanoparticles (MNPs) may be used to create mechanical tension that stimulates the growth and elongation of axons of the central nervous system neurons. The second method from the University of California, Berkeley uses aligned nanofibers containing one or more growth factors to provide a bioactive matrix where nerve cells can regrow.
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Nanosingularity blog launched

I would like to point out that I have been posting nanotechnology related advances in my other blog called Nanosingularity for some time. The idea of nanosingularity remains similar to biosingularity, to follow major advances in the nanotech field. However, I should mention that I don’t consider myself an expert of this field and would highly encourage the readers who are knowledgable in the area to post comments on significance of the stories. I will continue to post here the nanotech advances related to biology.

Link to Nanosingularity