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Archive for the 'Health & longevity' Category

Nanotechnology, DNA sequencing, and personalized medicine

Posted by Jim Lewis on February 20th, 2012

Artist’s conception of a nanopore drilled into a layer of graphene to speed up DNA sequencing. One of the greatest promises of near-term nanotechnoloogy is cheaper DNA sequencing to speed the development of personalized medicine. There are not only genetic differences between different patients, but also genetic differences between, for example, different cancers of the [...]

Panel recommends research to manage health and environmental risks of nanomaterials

Posted by Jim Lewis on January 28th, 2012

A National Academy of Sciences panel has recommended a four-part research effort focused on preventing and managing any potential health and environmental risks of nanomaterials.

Foresight co-founder among panelists discussing role of technology in human existence

Posted by Jim Lewis on January 23rd, 2012

Human life after advanced nanotechnology has been developed will be fundamentally different from life up until that point.

Nanotechnology for Heart Repair Advances

Posted by Jim Lewis on September 29th, 2011

Growing heart cells in a scaffold containing gold nanowires produces a tissue patch that is thicker and in which the cells beat synchronously as they do in healthy heart tissue.

DNA nanotechnology provides detailed monitoring of single cells

Posted by Jim Lewis on July 19th, 2011

DNA nanotechnology provides cell-surface sensors for real-time monitoring of single cells, including potential use in personalized medicine to test which drugs would be suitable for which individuals.

Nanotechnology therapy for head and neck cancer shows promise

Posted by Jim Lewis on July 15th, 2011

A nanotechnology therapy using targeted dendrimers shows promise against head and neck cancer in experiments in which human tumors are implanted into immunocompromised mice.

First synthetic organ transplant made possible by nanotechnology

Posted by Jim Lewis on July 11th, 2011

The world’s first synthetic organ transplant was a replica windpipe made from a nanocomposite scaffold seeded with the patient’s own adult stem cells.

Nanotechnology provides patch to regenerate heart tissue

Posted by Jim Lewis on May 20th, 2011

Carbon nanofibers and a polymer were combined to create a composite to regenerate natural heart tissue.

Medical nanorobots win poll on engineering's Next Big Thing

Posted by Jim Lewis on May 10th, 2011

A poll of NewScientist readers selected medical nanorobots as the technology that will have the biggest impact on human life in the next 30 years.

'Good Cholesterol' nanoparticles silence cancer-promoting genes and destroy cancer cells

Posted by Jim Lewis on April 27th, 2011

‘Good Cholesterol’ nanoparticles are non-toxic and use the need of cancer cells for HDL cholesterol to deliver RNA molecules to silence the expression of cancer-promoting genes.

Nanotechnology promises low-cost method to squash superbugs

Posted by Jim Lewis on April 14th, 2011

Novel biodegradable nanoparticles destroy membranes of drug-resistant ‘superbugs’ without harming blood cell membranes.

Time magazine cover article on the Singularity, Ray Kurzweil, AI and nanotechnology

Posted by Jim Lewis on February 17th, 2011

A cover article in Time magazine portrays the Singularity, Ray Kurzweil, AI, life extension, and nanotechnology as “an idea that rewards sober, careful evaluation.”

Nanotechnology powers rapid drug delivery by nanoparticles

Posted by Jim Lewis on December 30th, 2010

Catalytic nanomotors deliver nanoparticles containing drugs a thousand fold faster than do nanoparticles transported by Browninan motion.

Synergistic benefit of using nanotechnology to simultaneously deliver two anticancer agents

Posted by Jim Lewis on December 28th, 2010

Nanoparticles that deliver two anticancer agents simultaneously kill cancer cells more effectively than nanoparticles delivering the agents separately.

Humanity+ @ Caltech is being streamed live

Posted by Jim Lewis on December 4th, 2010

Humanity+ @ Caltech: Redefining Humanity in the Era of Radical Technological Change is being streamed live.

Humanity+ @ Caltech

Posted by Jim Lewis on October 17th, 2010

Redefining Humanity in the Era of Radical Technological Change, December 4-5, 2010, Pasadena, CA

Life extension conference: $100 off discount code

Posted by Christine Peterson on August 13th, 2010

Many of you have an interest in human longevity in general and in being healthier and living longer personally.  If we want to help develop and guide nanotech and other advanced technologies, we need to stay healthy. I am organizing a conference on this topic, October 9-10, here in the Bay Area: You will [...]

Don’t miss the Open Science Summit, July 29-31, in person or live webcast

Posted by Christine Peterson on July 19th, 2010

The Open Science Summit on July 29-31 in Berkeley is looking better and better. Topics include OpenPCR, DIY biology, open source hardware, brain preservation, synthetic biology, gene patents, open data, open access journals, reputation engines, crowd-funding and microfinance for science, citizen science, biohacking, open source biodefense, cure entrepreneurs, open source drug discovery, patent pools, tech transfer, and [...]

Single-atom sheet of carbon clears arsenic from water

Posted by Christine Peterson on July 15th, 2010

We can get a hint of the power coming from longer-term nanotech by seeing what is being discovered today on how to use some of the new materials becoming available.  Many of us have been intrigued with graphene, a one-atom-thick planar sheet of bonded carbon atoms.  It’s no surprise that exciting applications are being found [...]

Today’s nanotech lets $400 camera see cancer cells

Posted by Christine Peterson on June 29th, 2010

Frequent Nanodot readers know that our main interest is longer-term nanotech, but sometimes what’s happening today gets pretty exciting as well.  A quick summary  of recent advances in nanotech used to fight cancer appears in a Computerworld piece by Sharon Gaudin; some excerpts: Rice University said yesterday that when the nanoparticles deliver dye to the cell, [...]