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Archive for the 'Health & longevity' Category

Gold nanostars shuttled to cancer cell nucleus to release drug

Posted by Jim Lewis on April 24th, 2012

Gold nanostars targeted to a protein over-expressed in most cancer cells are shuttled by that protein directly to the cancer cell nucleus where illumination with a laser light releases a drug that deforms the nucleus and kills the cell.

Nanoparticles reduce tumors in clinical trial

Posted by Jim Lewis on April 17th, 2012

Clinical trials in patients with advanced or metastatic tumors using targeted nanoparticles to deliver a standard chemotherapeutic drug showed tumor shrinkage, even in the case of cancers for which that drug is not normally effective.

Nanotechnology regrows blood vessels after ischemic damage

Posted by Jim Lewis on March 26th, 2012

In a rat model of ischemic damage, nanoparticle delivery of a growth factor and a coreceptor promotes regrowth of damaged blood vessels in seven days.

Faster, less expensive medical diagnostics through nanotechnology

Posted by Jim Lewis on March 23rd, 2012

New protein repellent coating enhances the speed of carbon nanotube-based biosensors, pointing the way to faster, cheaper medical diagnostics.

Foresight Presents: An Intimate Evening w/Sonia Arrison, Author of 100+

Posted by Jim Lewis on February 23rd, 2012

Join us for an intellectually stimulating evening with best-selling author and tech analyst Sonia Arrison! Dinner and drinks will be served h’orderve/tapas-style at 7pm; Sonia will present at 8pm, with personalized, small-group Q&A on the future of technology to follow. Wednesday March 21, 2012 at Ristorante Don Giovanni, 235 Castro Street, Mountain View, CA 94041 [...]

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.