Bio & Medicine news
Unregulated nanoparticles from diesel engines inhibit lungs
Nanotechnology / Bio & Medicine
Aug 20, 2008 |
4.5 / 5 (33) |
1
(PhysOrg.com) -- Diesel engines emit countless carbon nanoparticles into the air, slipping through government regulation and vehicle filters. A new University of Michigan simulation shows that these nanoparticles can get ...
Stretching DNA Yields Surprise
Nanotechnology / Bio & Medicine
Aug 08, 2006 |
4.2 / 5 (35) |
0
Most of us are familiar with the winding staircase image of DNA, the repository of a biological cell's genetic information. But few of us realize just how tightly that famous double helix is wound.
Nano-sized technology has super-sized effect on tumors
Nanotechnology / Bio & Medicine
Apr 03, 2008 |
4.6 / 5 (32) |
2
Anyone facing chemotherapy would welcome an advance promising to dramatically reduce their dose of these often harsh drugs. Using nanotechnology, researchers at Washington University School of Medicine in ...
Single-Dose Drug-Loaded Dendrimer Cures Mice of Colon Cancer
Nanotechnology / Bio & Medicine
Nov 13, 2006 |
4.3 / 5 (34) |
0
In a dramatic demonstration of the power of nanotechnology, a team of investigators has designed a nanoscale, polymeric drug delivery vehicle that when loaded with a widely used anticancer agent cures colon cancer in mice ...
Carbon Nanotubes Help Fix Bones
Nanotechnology / Bio & Medicine
Mar 14, 2008 |
4.5 / 5 (30) |
1
Healing a broken bone is a lengthy and awkward process. The current, most effective way to repair bone tissue is to ensure correct positioning of the bone during healing, usually by use of a plaster cast or ...
New technique captures chemical reactions in a single living cell at unprecedented resolution
Nanotechnology / Bio & Medicine
Nov 19, 2007 |
4.8 / 5 (28) |
0
Bioengineers at the University of California, Berkeley, have discovered a technique that for the first time enables the detection of biomolecules' dynamic reactions in a single living cell.
Bacteria and nanofilters -- the future of clean water technology
Nanotechnology / Bio & Medicine
Feb 12, 2008 |
4.1 / 5 (33) |
1
Bacteria often get bad press, with those found in water often linked to illness and disease. But researchers at The University of Nottingham are using these tiny organisms alongside the very latest membrane filtration techniques ...
Silver Nanoparticles Deadly to Bacteria
Nanotechnology / Bio & Medicine
Mar 10, 2008 |
3.6 / 5 (36) |
0
Hygienic, antibacteria sprays can be harmful to the environment as well as germs. Toxic solvents are necessary to ensure that bacteria is destroyed but now there could be a new way to achieve this without ...
Bridging neurons and electronics with carbon nanotubes
Nanotechnology / Bio & Medicine
Nov 07, 2006 |
4.2 / 5 (31) |
0
New implantable biomedical devices that can act as artificial nerve cells, control severe pain, or allow otherwise paralyzed muscles to be moved might one day be possible thanks to developments in materials science.
New type of optical microscopy attains near-molecular resolution
Nanotechnology / Bio & Medicine
Aug 14, 2006 |
4.3 / 5 (30) |
0
A new type of microscopy invented by Xiaowei Zhuang and colleagues at Harvard University and the Howard Hughes Medical Institute delivers spatial resolution more than 10 times better than that of conventional optical microscopes, ...
Nanocomposite labeled cancer cells can be targeted and destroyed using lasers
Nanotechnology / Bio & Medicine
May 20, 2007 |
4.6 / 5 (28) |
0
A nanocomposite particle can be constructed so that it has a mix of properties that would not otherwise happen in nature. By combining an organic matrix with metallic clusters that can absorb light, it is possible to incorporate ...
Scientists set 'Five Grand Challenges' for nanotechnology risk research
Nanotechnology / Bio & Medicine
Nov 15, 2006 |
3.7 / 5 (35) |
0
Society is in danger of squandering the powerful potential of nanotechnology due to a lack of clear information about its risks, conclude 14 top international scientists in a major paper published in the November 16th issue ...
New light microscope sharpens scientists' focus
Nanotechnology / Bio & Medicine
Aug 10, 2006 |
4.3 / 5 (29) |
0
A new light microscope so powerful that it allows scientists peering inside cells to discern the precise location of nearly each individual protein they are studying has been developed and successfully demonstrated by scientists ...
Scientists develop high-resolution touch nano-sensor
Nanotechnology / Bio & Medicine
Jun 10, 2006 |
3.9 / 5 (32) |
0
U.S. scientists reportedly have created a revolutionary sensor that can "feel" the texture on objects with a sensitivity equal to that of a human fingertip.
Remote-control nanoparticles deliver drugs directly into tumors
Nanotechnology / Bio & Medicine
Nov 16, 2007 |
4.6 / 5 (27) |
0
MIT scientists have devised remotely controlled nanoparticles that, when pulsed with an electromagnetic field, release drugs to attack tumors. The innovation, reported in the Nov. 15 online issue of Advanced Ma ...
