Bio & Medicine news

Nanoparticles May Help Optimize Chemotherapy

May 06, 2009 | 5 / 5 (1) | 1

(PhysOrg.com) -- A research group reported recently in the Proceedings of the National Academy of Sciences that they have engineered nanoparticles to help block a protein process that takes place in tumors, making the tu ...

Engineers develop novel method for accelerated bone growth

Nanotechnology / Bio & Medicine

Jan 30, 2009 | 4.5 / 5 (8) | 0

Engineers at the University of California at San Diego have come up with a way to help accelerate bone growth through the use of nanotubes and stem cells. This new finding could lead to quicker and better recovery, for example, ...

Nanoscopic static electricity generates chiral patterns

Nanotechnology / Bio & Medicine

Feb 02, 2009 | 4.5 / 5 (4) | 0

In the tiny world of amino acids and proteins and in the helical shape of DNA, a biological phenomenon abounds.

Nanomedicine: ending 'hit and miss' design

Nanotechnology / Bio & Medicine

Dec 08, 2009 | not rated yet | 0

(PhysOrg.com) -- One of the promises of nanomedicine is the design of tiny particles that can home in on diseased cells and get inside them. Nanoparticles can carry drugs into cells and tag cells for MRI and other diagnostic ...

Using light to move and trap DNA molecules

Nanotechnology / Bio & Medicine

Jan 02, 2009 | 5 / 5 (8) | 3

(PhysOrg.com) -- A major goal of nanotechnology research is to create a "lab on a chip," in which a tiny biological sample would be carried through microscopic channels for processing. This could make possible ...

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 ...

Nano-tetherball biosensor precisely detects glucose

Nanotechnology / Bio & Medicine

Jan 22, 2009 | 3.8 / 5 (4) | 0

(PhysOrg.com) -- Researchers have created a precise biosensor for detecting blood glucose and potentially many other biological molecules by using hollow structures called single-wall carbon nanotubes anchored ...

Nanotubes Sniff Out Cancer Agents in Living Cells

Nanotechnology / Bio & Medicine

Jan 16, 2009 | not rated yet | 1

(PhysOrg.com) -- A multidisciplinary team at the Massachusetts Institute of Technology (MIT) has developed carbon nanotubes that can be used as sensors for cancer drugs and other DNA-damaging agents inside living cells. The ...

The gold standard: researchers use nanoparticles to make 3-D DNA nanotubes

Nanotechnology / Bio & Medicine

Jan 01, 2009 | 5 / 5 (8) | 0

Arizona State University researchers Hao Yan and Yan Liu imagine and assemble intricate structures on a scale almost unfathomably small. Their medium is the double-helical DNA molecule, a versatile building ...

Researchers: Molecular forklifts overcome obstacle to 'smart dust'

Nanotechnology / Bio & Medicine

Jan 18, 2009 | 4.2 / 5 (5) | 3

Algae is a livid green giveaway of nutrient pollution in a lake. Scientists would love to reproduce that action in tiny particles that would turn different colors if exposed to biological weapons, food spoilage or signs of ...

Special Nanotubes May Be Used as a Vehicle for Treating Neurodegenerative Disorders

Nanotechnology / Bio & Medicine

Jan 13, 2009 | 3 / 5 (2) | 0

(PhysOrg.com) -- Electrical engineering researchers at the University of Arkansas have demonstrated that magnetic nanotubes combined with nerve growth factor can enable specific cells to differentiate into ...

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. ...

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.

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 ...

Researchers develop drug delivery system using nanoparticles and lasers

Nanotechnology / Bio & Medicine

Sep 10, 2009 | not rated yet | 1

Researchers at UC Santa Barbara have developed a new way to deliver drugs into cancer cells by exposing them briefly to a non-harmful laser. Their results are published in a recent article in ACS Nano, a jour ...