News tagged with iron oxide nanoparticles

Detecting lethal diseases with rust and sand

The next big thing in medical diagnostics could be minutes particles of rust, iron oxide, coated with the material from which sand is formed, silicon dioxide. These magnetic nanoparticles, a mere 29 to 230 nanometers across, ...

Jan 31, 2011
5 / 5 (2) 0 | with audio podcast

Magnetic field directs nanoparticles to tumors

(PhysOrg.com) -- To improve the tumor-specific delivery of drug to tumors, a team of investigators from the University of California, San Diego (UCSD) has created a system of nanoparticles-within-a-nanoparticle that can be ...

Nov 25, 2010
3.5 / 5 (2) 1 | with audio podcast

Long-distance communication, microbial style

Scientists knew that the microbe Shewanella oneidensis transformed the electronic structure of the iron oxide it touched in the ground as well as without direct contact. Scientists from Pacific Northwest National ...

Oct 06, 2010
5 / 5 (5) 0

Magnetism Turns Drug Release On and Off

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 ...

Oct 30, 2009
5 / 5 (1) 0