Bio & Medicine news

Advance in 'nano-agriculture': Tiny stuff has huge effect on plant growth

Oct 21, 2009 | 3.5 / 5 (4) | 2

With potential adverse health and environmental effects often in the news about nanotechnology, scientists in Arkansas are reporting that carbon nanotubes (CNTs) could have beneficial effects in agriculture.

Tiny technology may yield major finds -- and possible perils

Nanotechnology / Bio & Medicine

Oct 13, 2009 | 5 / 5 (7) | 3

Imagine a particle so small it would take a million of them to stretch across the period at the end of this sentence. Imagine such particles could help catch cancer cells floating in your bloodstream before they could metastasize ...

Nanotech protection: Current safety equipment may not be adequate for nanoprotection

Nanotechnology / Bio & Medicine

Oct 13, 2009 | 5 / 5 (2) | 0

Writing in a forthcoming issue of the International Journal of Nanotechnology, Canadian engineers suggest that research is needed into the risks associated with the growing field of nanotechnology manufacture so that approp ...

New nanotech sensor developed with medical, chemistry applications

Nanotechnology / Bio & Medicine

Oct 13, 2009 | 5 / 5 (1) | 0

Researchers at Oregon State University and other institutions have developed a new "plasmonic nanorod metamaterial" using extraordinarily tiny rods of gold that will have important applications in medical, biological and ...

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 ...

Bioengineer uses nanoparticles to target drugs

Nanotechnology / Bio & Medicine

Oct 08, 2009 | not rated yet | 0

Clemson bioengineer Frank Alexis is designing new ways to target drugs and reduce the chances for side effects.

IBM Research Aims to Build Nanoscale DNA Sequencer (w/ Video)

Nanotechnology / Bio & Medicine

Oct 06, 2009 | 4.2 / 5 (11) | 4

(PhysOrg.com) -- In an effort to build a nanoscale DNA sequencer, IBM scientists are drilling nano-sized holes in computer-like chips and passing DNA strands through them in order to read the information contained ...

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 ...

Rapid DNA Detection Quickly Diagnoses Infections

Nanotechnology / Bio & Medicine

Oct 05, 2009 | 4.8 / 5 (4) | 0

(PhysOrg.com) -- A new portable device can detect bacteria and help prevent the spread of infectious diseases. This new tool takes from 15 minutes to 2 hours to diagnose a patient for infectious diseases and ...

Death by light: Nanoparticles as agents for the photodynamic killing of antibiotic-resistant bacteria

Nanotechnology / Bio & Medicine

Oct 05, 2009 | 4.3 / 5 (3) | 0

(PhysOrg.com) -- The increasing antibiotic resistance of bacteria is a serious problem of our time. Hospital germs in particular have developed strains against which practically every current antibiotic is ineffective. In ...

'Micro shuttle' drug delivery could mean an end to regular dosing

Nanotechnology / Bio & Medicine

Oct 02, 2009 | 4.7 / 5 (3) | 0

Scientists working at Queen Mary, University of London, have developed micrometer-sized capsules to safely deliver drugs inside living cells.

EPA announces research strategy to study nanomaterials

Nanotechnology / Bio & Medicine

Sep 29, 2009 | not rated yet | 0

The U.S. Environmental Protection Agency today outlined a new research strategy to better understand how manufactured nanomaterials may harm human health and the environment. Nanomaterials are materials that are between approximately ...

Nanotechnology and synthetic biology: What does the American public think?

Nanotechnology / Bio & Medicine

Sep 29, 2009 | not rated yet | 1

Nanotechnology and synthetic biology continue to develop as two of the most exciting areas of scientific discovery, but research has shown that the public is almost completely unaware of the science and its applications. ...

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 ...

Microchip can detect type and severity of cancer

Nanotechnology / Bio & Medicine

Sep 28, 2009 | 5 / 5 (6) | 0

(PhysOrg.com) -- University of Toronto researchers have used nanomaterials to develop a microchip sensitive enough to quickly determine the type and severity of a patient's cancer so that the disease can be detected earlier ...