Bio & Medicine news

Magnetic Nanoworms and Nanocrystals Deliver siRNA to Tumors

Sep 23, 2009 | not rated yet | 0

(PhysOrg.com) -- Small pieces of nucleic acid known as short interfering RNAs, or siRNAs, can turn off the production of specific proteins, a property that makes them one of the more promising new classes of anticancer drugs ...

Nanotech researchers develop artificial pore

Nanotechnology / Bio & Medicine

Sep 28, 2009 | 5 / 5 (7) | 0

(PhysOrg.com) -- Using an RNA-powered nanomotor, University of Cincinnati (UC) biomedical engineering researchers have successfully developed an artificial pore able to transmit nanoscale material through ...

All-in-1 nanoparticle: A Swiss Army knife for nanomedicine

All-in-one nanoparticle: A Swiss Army knife for nanomedicine

Nanotechnology / Bio & Medicine

Jul 27, 2009 | 5 / 5 (3) | 1

Nanoparticles are being developed to perform a wide range of medical uses - imaging tumors, carrying drugs, delivering pulses of heat. Rather than settling for just one of these, researchers at the University ...

Nanoparticles cross blood-brain barrier to enable 'brain tumor painting'

Nanotechnology / Bio & Medicine

Aug 03, 2009 | 4.8 / 5 (9) | 0

Brain cancer is among the deadliest of cancers. It's also one of the hardest to treat. Imaging results are often imprecise because brain cancers are extremely invasive. Surgeons must saw through the skull ...

Therapeutic nanoparticles give new meaning to sugar-coating medicine

Nanotechnology / Bio & Medicine

Sep 22, 2009 | not rated yet | 0

(PhysOrg.com) -- A research team at the National Institute of Standards and Technology studying sugar-coated nanoparticles for use as a possible cancer therapy has uncovered a delicate balancing act that makes ...

Computer-Guided Nanoparticle Therapy Destroys Tumors

Nanotechnology / Bio & Medicine

Jun 29, 2009 | 4.9 / 5 (12) | 0

Gold nanoshells are among the most promising new nanoscale therapeutics being developed to kill tumors, acting as antennas that turn light energy into heat that cooks cancer to death. Now, a multi-institutional research team ...

Scientists develop targeted cancer treatment using nanomaterials

Nanotechnology / Bio & Medicine

Aug 19, 2009 | 5 / 5 (3) | 2

(PhysOrg.com) -- Scientists from the U.S. Department of Energy's Argonne National Laboratory and the University of Chicago's Brain Tumor Center have developed a way to target brain cancer cells using inorganic ...

Can a new implant coating technique create a new six million dollar man?

Nanotechnology / Bio & Medicine

Jun 29, 2009 | 4.6 / 5 (8) | 0

Tel Aviv University researcher Prof. Noam Eliaz of the TAU School of Mechanical Engineering has developed an electrochemical process for coating metal implants which vastly improves their functionality, longevity ...

Carbon Nanotube-Coated Electrodes Improve Brain Readouts

Nanotechnology / Bio & Medicine

Aug 12, 2008 | 4.3 / 5 (23) | 5

A research group has significantly improved the quality of brain-function measurements by coating metal neural electrodes with carbon nanotubes. Their work could potentially allow scientists to learn more ...

Trojan horse for ovarian cancer -- nanoparticles turn immune system soldiers against tumor cells

Nanotechnology / Bio & Medicine

Jul 15, 2009 | 5 / 5 (5) | 1

In a feat of trickery, Dartmouth Medical School immunologists have devised a Trojan horse to help overcome ovarian cancer, unleashing a surprise killer in the surroundings of a hard-to-treat tumor.

Targeted therapy from within

Nanotechnology / Bio & Medicine

Jul 28, 2009 | 5 / 5 (4) | 0

A group of researchers at Johns Hopkins University has designed nanoparticles that can carry cancer-treating radioisotopes through the body and deliver them selectively to tumors. Today in Anaheim, CA, they will report the ...

Models begin to unravel how single DNA strands combine

Nanotechnology / Bio & Medicine

Oct 05, 2009 | 5 / 5 (1) | 0

(PhysOrg.com) -- Using computer simulations, a team of University of Wisconsin-Madison researchers has identified some of the pathways through which single complementary strands of DNA interact and combine to form the double ...

Researchers Use Golden Nanotubes for Imaging Agent to Detect Tumor Cells, Map Sentinel Lymph Node

Golden Nanotubes Used for Imaging Agent to Detect Tumor Cells, Map Sentinel Lymph Node

Nanotechnology / Bio & Medicine

Aug 26, 2009 | not rated yet | 0

(PhysOrg.com) -- Biomedical researchers at the University of Arkansas and University of Arkansas for Medical Sciences in Little Rock have developed a special contrast-imaging agent that is capable of molecular ...

Discovery to aid study of biological structures, molecules

Nanotechnology / Bio & Medicine

Aug 11, 2009 | 4.3 / 5 (3) | 0

(PhysOrg.com) -- Researchers in the United States and Spain have discovered that a tool widely used in nanoscale imaging works differently in watery environments, a step toward better using the instrument ...

Nanoscale origami from DNA

Nanotechnology / Bio & Medicine

Aug 06, 2009 | 5 / 5 (8) | 2

Scientists at the Technische Universitaet Muenchen (TUM) and Harvard University have thrown the lid off a new toolbox for building nanoscale structures out of DNA, with complex twisting and curving shapes. ...