Bio & Medicine news

Study Details How Platinum Nanocages 'Cook' Cancer Cells

Aug 15, 2008 | 4.9 / 5 (22) | 2

Platinum-based anticancer agents have a long history as proven therapeutic agents, but their toxicity and short lifetime in the body and the ability of tumors to develop resistance to these drugs limit the ultimate utility ...

Silica smart bombs deliver knock-out to bacteria

Nanotechnology / Bio & Medicine

Feb 25, 2008 | 4.9 / 5 (22) | 0

Bacteria mutate for a living, evading antibiotic drugs while killing tens of thousands of people in the United States each year. But as concern about drug-resistant bacteria grows, one novel approach under way at the University ...

Silica particle sparks life in protein

Nanotechnology / Bio & Medicine

Dec 05, 2006 | 4 / 5 (27) | 0

Tiny formless particles in water solution take on a well-ordered and functional structure as soon as they come into contact with nanoparticles of silica. A unique breakthrough by researchers at Linkoping University in Sweden ...

Nanomedicine opens the way for nerve cell regeneration

Nanotechnology / Bio & Medicine

May 21, 2007 | 4.6 / 5 (23) | 0

The ability to regenerate nerve cells in the body could reduce the effects of trauma and disease in a dramatic way. In two presentations at the NSTI Nanotech 2007 Conference, researchers describe the use of nanotechnology ...

Detoxifying Nerve Agents Using Functionalized Polymer Nanofiber Membranes

Nanotechnology / Bio & Medicine

Jul 10, 2006 | 3.8 / 5 (28) | 0

A group of scientists from the National University of Singapore published a study in the May 30th issue of Nanotechnology, which developed polymer nanofiber membranes with a synthesized catalyst to detoxify nerve agents.

Nanoscientists Create Biological Switch from Spinach Molecule

Nanotechnology / Bio & Medicine

Sep 05, 2006 | 4.2 / 5 (25) | 0

Nanoscientists have transformed a molecule of chlorophyll-a from spinach into a complex biological switch that has possible future applications for green energy, technology and medicine.

Nanoparticles and Lasers Create Cancer-Killing Microbubbles

Nanotechnology / Bio & Medicine

Jun 19, 2006 | 4.3 / 5 (24) | 0

One promising use of gold nanoparticles is to use them to convert laser energy into heat that can kill malignant cells. Now, in a promising twist on this approach to anticancer therapy, an international team of investigators ...

T-cell 'nanotubes' may explain how HIV virus conquers human immune system

Nanotechnology / Bio & Medicine

Jan 14, 2008 | 4.5 / 5 (23) | 0

String-like connections found between T-cells could be important to how HIV spreads between cells in the human immune system, according to new research published online yesterday in Nature Cell Biology. The ne ...

IBM brings MRI technology to the nanoscale

Nanotechnology / Bio & Medicine

Apr 23, 2007 | 4.7 / 5 (22) | 0

IBM today announced that researchers at its Almaden Research Center have demonstrated magnetic resonance imaging (MRI) techniques to visualize nanoscale objects. This technique brings MRI capability to the ...

Scientists get first look at nanotubes inside living animals

Nanotechnology / Bio & Medicine

Sep 24, 2007 | 4.6 / 5 (22) | 0

Rice University scientists have captured the first optical images of carbon nanotubes inside a living organism. Using fruit flies, the researchers confirmed that a technique developed at Rice -- near-infrared fluorescent ...

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 ...

Fantastic Voyage: A new nanoscale view of the biological world

Nanotechnology / Bio & Medicine

Oct 05, 2006 | 4.1 / 5 (24) | 0

Echoing the journey through the human body in Fantastic Voyage, doctors might soon be able to track individual donor cells after a transplant, or to find where and how much of a cancer treatment drug there is within a cell.

An 'attractive' man-machine interface

Nanotechnology / Bio & Medicine

Jan 09, 2008 | 4.7 / 5 (21) | 2

Researchers at Children’s Hospital Boston have developed a new “nanobiotechnology” that enables magnetic control of events at the cellular level. They describe the technology, which could lead to finely-tuned but noninvasive ...

Nanotech tools yield DNA transcription breakthrough

Nanotechnology / Bio & Medicine

Nov 16, 2006 | 3.9 / 5 (25) | 0

Rutgers researcher Richard H. Ebright and his collaborators have resolved key questions regarding transcription, the fundamental life process that was the subject of the 2006 Nobel Prize in Chemistry.

Scientists discuss new frontiers in single-molecule research at ACS

Nanotechnology / Bio & Medicine

Sep 12, 2006 | 4.3 / 5 (23) | 0

Not long ago, the idea of conducting an experiment on a single strand of DNA seemed far beyond the realm of science. But thanks to rapid advances in microscopy in the last decade, researchers can now watch a single gene being ...