Bio & Medicine news

'NanoPen' may write new chapter in nanotechnology manufacturing

Nanotechnology / Bio & Medicine

Sep 02, 2009 | 4.4 / 5 (7) | 0

Researchers in California are reporting development of a so-called "NanoPen" that could provide a quick, convenient way of laying down patterns of nanoparticles — from wires to circuits — for making futuristic ...

Promise of nanodiamonds for safer gene therapy

Nanotechnology / Bio & Medicine

Sep 01, 2009 | 5 / 5 (3) | 0

Gene therapy holds promise in the treatment of a myriad of diseases, including cancer, heart disease and diabetes, among many others. However, developing a scalable system for delivering genes to cells both efficiently and ...

Platinum nanocatalyst could aid drugmakers

Nanotechnology / Bio & Medicine

Aug 31, 2009 | not rated yet | 0

(PhysOrg.com) -- Nanoparticles combining platinum and gold act as superefficient catalysts, but chemists have struggled to create them in an industrially useful form. Rice University chemists have answered the call this week ...

New Cancer Drug Delivery System Is Effective and Reversible

Nanotechnology / Bio & Medicine

Aug 31, 2009 | 3.3 / 5 (3) | 0

For cancer drug developers, finding an agent that kills tumor cells is only part of the equation. The drug also must spare healthy cells, and ideally its effects will be reversible to cut short any potentially dangerous side ...

Breathalyzer test detects lung cancer: study

Nanotechnology / Bio & Medicine

Aug 30, 2009 | 5 / 5 (4) | 1

Scientists in Israel have devised a portable breath tester that detects lung cancer with 86 percent accuracy, according to a study released Sunday.

Tumors Feel the Deadly Sting of Nanobees

Nanotechnology / Bio & Medicine

Aug 28, 2009 | 4.8 / 5 (13) | 3

When bees sting, they pump into their victims a peptide toxin called melittin that destroys cell membranes. Now, by encapsulating this extremely potent molecule within a nanoparticle, researchers at the Washington University ...

Antibody Replacements Just a 'Click' Away

Nanotechnology / Bio & Medicine

Aug 28, 2009 | 5 / 5 (4) | 2

Chemists at the California Institute of Technology (Caltech) and The Scripps Research Institute (SRI) have developed an innovative technique to create cheap but highly stable chemicals that have the potential to take the ...

Fusion of Nanocircuits, Bio-membranes Creates New Hybrid Technology

Nanotechnology / Bio & Medicine

Aug 27, 2009 | 4.2 / 5 (6) | 2

(PhysOrg.com) -- A hybrid of silicon nanocircuits and biological components that mimics some of the processes that control the passage of molecules into and out of cells has been created by a team of scientists ...

Calif. region is epicenter of U.S. nano-revolution

Nanotechnology / Bio & Medicine

Aug 27, 2009 | 3 / 5 (1) | 0

The San Francisco Bay Area has become the nation's hot spot for a microscopic technology that's already being used for everything from keeping drill bits sharp to extending the usable life of cooking oil, and that one day ...

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 ...

DNA-Coated Nanotubes Help Kill Tumors Without Harm to Surrounding Tissue

Nanotechnology / Bio & Medicine

Aug 19, 2009 | 5 / 5 (4) | 1

(PhysOrg.com) -- Researchers at Wake Forest University School of Medicine have destroyed prostate cancer tumors in mice by injecting them with specially-coated, miniscule carbon tubes and then superheating the tubes with ...

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 ...

Nanomagnets guide stem cells to damaged tissue

Nanotechnology / Bio & Medicine

Aug 17, 2009 | not rated yet | 0

Microscopic magnetic particles have been used to bring stem cells to sites of cardiovascular injury in a new method designed to increase the capacity of cells to repair damaged tissue, UCL scientists announced today.

Flat bacteria in nanoslits

Nanotechnology / Bio & Medicine

Aug 17, 2009 | 5 / 5 (5) | 2

It appears that bacteria can squeeze through practically anything. In extremely small nanoslits they take on a completely new flat shape. Even in this squashed form they continue to grow and divide at normal speeds. This ...

New DNA test uses nanotechnology to find early signs of cancer

Nanotechnology / Bio & Medicine

Aug 17, 2009 | 5 / 5 (2) | 0

Using tiny crystals called quantum dots, Johns Hopkins researchers have developed a highly sensitive test to look for DNA attachments that often are early warning signs of cancer.