Nanotechnology news

Nanoparticles for gene therapy improve

Nanotechnology / Bio & Medicine

23 hours ago | 5 / 5 (4) | 3

(PhysOrg.com) -- About five years ago, Professor Janet Sawicki at the Lankenau Institute in Pennsylvania read an article about nanoparticles developed by MIT's Robert Langer for gene therapy, the insertion ...

Magnetic nanoparticles to simultaneously diagnose, monitor and treat

Nanotechnology / Bio & Medicine

Nov 06, 2009 | not rated yet | 0

(PhysOrg.com) -- Whether it's magnetic nanoparticles (mNPs) giving an army of 'therapeutically armed' white blood cells direction to invade a deadly tumour's territory, or the use of mNPs to target specific nerve channels ...

New Digital 'Electronics' Concept May Continue Moore's Law

Nanotechnology / Nanophysics

Nov 05, 2009 | 4.6 / 5 (50) | 8

(PhysOrg.com) -- Computers of the future could be operating not on electrons, but on tiny waves traveling through an electron "fluid," if a new proposal is successful. The new circuit design, recently introduced ...

Nanostructured Integrated Circuit Detects Type and Severity of Cancer

Nanotechnology / Bio & Medicine

Nov 03, 2009 | 5 / 5 (3) | 0

(PhysOrg.com) -- A team of investigators from the University of Toronto have used nanomaterials to develop an inexpensive microchip sensitive enough to quickly determine the type and severity of a patient's cancer so that ...

Breakthrough in industrial-scale nanotube processing

Nanotechnology / Nanomaterials

Nov 02, 2009 | 4.9 / 5 (20) | 3

(PhysOrg.com) -- Rice University scientists today unveiled a method for the industrial-scale processing of pure carbon-nanotube fibers that could lead to revolutionary advances in materials science, power ...

3-D system based on optical fiber could provide new options for photovoltaics

Nanotechnology / Nanomaterials

Nov 02, 2009 | 4.4 / 5 (9) | 0

Converting sunlight to electricity might no longer mean large panels of photovoltaic cells atop flat surfaces like roofs.

Danish nanowires have great potential

Nanotechnology / Nanophysics

Nov 02, 2009 | 3 / 5 (1) | 0

Danish nanophysicists have developed a new method for manufacturing the cornerstone of nanotechnology research - nanowires. The discovery has great potential for the development of nanoelectronics and highly ...

Where do nanomaterials go in the body?

Nanotechnology / Bio & Medicine

Nov 02, 2009 | 5 / 5 (1) | 1

Tiny, engineered nanomaterials can already be found in many consumer products, and have been hailed as having widespread future uses in areas ranging from medicine to industrial processes. However, little is known about what ...

Smart drug delivery system -- Gold nanocage covered with polymer (w/ Video)

Nanotechnology / Nanophysics

Nov 01, 2009 | 5 / 5 (5) | 0

In campy old movies, Lucretia Borgia swans around emptying powder from her ring into wine glasses carelessly left unattended. The poison ring is usually a confection of gold filigree holding a cabochon or ...

Scientists witness nature's complexity unfold in self-assembling quasicrystals

Nanotechnology / Nanomaterials

Oct 31, 2009 | 4.9 / 5 (16) | 3

(PhysOrg.com) -- Just a few decades ago, scientists believed that all ordered matter consists of self-repeating building blocks -- atoms, ions or molecules. In this view, the ordinary solids of everyday life ...

Nano-Scale Drug Delivery For Chemotherapy

Nanotechnology / Bio & Medicine

Oct 31, 2009 | 4.7 / 5 (12) | 1

(PhysOrg.com) -- Going smaller could bring better results, especially when it comes to cancer-fighting drugs.

Magnetism Turns Drug Release On and Off

Nanotechnology / Bio & Medicine

Oct 30, 2009 | 5 / 5 (1) | 0

Many medical conditions, such as cancer, diabetes and chronic pain, require medications that cannot be taken orally, but must be dosed intermittently, on an as-needed basis, over a long period of time. A few delivery techniques ...

Nanoparticles Detect and Purge Metastases in Lymph Nodes

Nanotechnology / Bio & Medicine

Oct 30, 2009 | 5 / 5 (6) | 0

Colonoscopy represents one of the great weapons against cancer. In one step, a physician can find precancerous lesions in the colon and then cut them out, an on-the-spot intervention that prevents cancer from developing. ...

Gold Nanoparticles Delivery Platinum Warheads to Tumors

Nanotechnology / Bio & Medicine

Oct 29, 2009 | 4.9 / 5 (7) | 2

(PhysOrg.com) -- Cisplatin is one of the most powerful and effective drugs for treating a wide variety of cancers, but serious side effects ultimately limit the drug's use and effectiveness. Now, however, researchers have ...

Roadrunner supercomputer simulates nanoscale material failure

Nanotechnology / Nanophysics

Oct 29, 2009 | 4 / 5 (1) | 0

Very tiny wires, called nanowires, made from such metals as silver and gold, may play a crucial role as electrical or mechanical switches in the development of future-generation ultrasmall nanodevices.

Next-generation microcapsules deliver 'chemicals on demand'

Nanotechnology / Bio & Medicine

Oct 28, 2009 | not rated yet | 0

Scientists in California are reporting development of a new generation of the microcapsules used in carbon-free copy paper, in which capsules burst and release ink with pressure from a pen. The new microcapsules ...

Knocking nanoparticles off the socks

Nanotechnology / Bio & Medicine

Oct 28, 2009 | 3 / 5 (2) | 0

Scientists in Switzerland are reporting results of one of the first studies on the release of silver nanoparticles from laundering those anti-odor, anti-bacterial socks now on the market. Their findings, scheduled ...

Researchers create all-electric spintronics

Nanotechnology / Nanophysics

Oct 27, 2009 | 4.9 / 5 (19) | 3

A multidisciplinary team of UC researchers is the first to find an innovative and novel way to control an electron's spin orientation using purely electrical means.