Bio & Medicine news

Nanoparticles for gene therapy improve

Nov 06, 2009 | 5 / 5 (5) | 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 ...

Findings show nanomedicine promising for treating spinal cord injuries

Nanotechnology / Bio & Medicine

Nov 08, 2009 | 4.5 / 5 (4) | 0

(PhysOrg.com) -- Researchers at Purdue University have discovered a new approach for repairing damaged nerve fibers in spinal cord injuries using nano-spheres that could be injected into the blood shortly ...

Ideal nanoparticle cancer therapies surf the bloodstream

Nanotechnology / Bio & Medicine

Nov 09, 2009 | 5 / 5 (1) | 0

Eric Shaqfeh studies blood at Stanford University, using computer models that simulate how the fluid and the cells it contains move around. On November 11 at a meeting of the scientific society AVS, he will present his latest ...

Nanoparticles may cause DNA damage across a cellular barrier

Nanotechnology / Bio & Medicine

Nov 05, 2009 | 4.3 / 5 (9) | 1

(PhysOrg.com) -- Scientists have shown in the laboratory that metal nanoparticles damaged the DNA in cells on the other side of a cellular barrier. The research, by the University of Bristol, is published ...

Two-In-One Punch Knocks Out Drug Resistant Cancer Cells

Nanotechnology / Bio & Medicine

Nov 04, 2009 | 5 / 5 (4) | 0

(PhysOrg.com) -- Cancer cells, like bacteria, can develop resistance to drug therapy, leading to relapse of disease. One approach showing promise in overcoming multidrug resistance in tumors is to combine two different anticancer ...

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 ...

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 ...

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 ...

Study shows how carbon nanotubes can affect lining of the lungs

Nanotechnology / Bio & Medicine

Oct 25, 2009 | 4.8 / 5 (10) | 1

(PhysOrg.com) -- Carbon nanotubes are being considered for use in everything from sports equipment to medical applications, but a great deal remains unknown about whether these materials cause respiratory ...

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.

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 ...

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 ...

Magnetic nanotags spot cancer in mice earlier than methods now in clinical use

Nanotechnology / Bio & Medicine

Oct 13, 2009 | 5 / 5 (8) | 0

Searching for biomarkers that can warn of diseases such as cancer while they are still in their earliest stage is likely to become far easier thanks to an innovative biosensor chip developed by Stanford University ...

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 ...