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Nanotechnology / Bio & Medicine news 1234

Study: Religion colors Americans' views of nanotechnology

February 15, 2008 | User rating: 3.9 / 5 after 30 vote(s) | User comments: 15

Is nanotechnology morally acceptable? For a significant percentage of Americans, the answer is no, according to a recent survey of Americans' attitudes about the science of the very small.


First Direct Images of Carbon Nanotubes Entering Cells

November 15, 2007 | User rating: 4.6 / 5 after 84 vote(s) | User comments: 14

For the first time, scientists have directly imaged carbon nanotubes entering and migrating within human cells, determining as a result that whether the nanotubes cause cell death depends on the dose and exposure ...


Nanobacteria – Are They Alive?

April 23, 2008 | User rating: 4.6 / 5 after 87 vote(s) | User comments: 9

Tiny particles called nanobacteria have intrigued researchers in many ways since their discovery 20 years ago, but perhaps the most controversial question they pose is whether or not they are alive.


Scientists overcome nanotech hurdle

August 13, 2008 | User rating: 4.3 / 5 after 18 vote(s) | User comments: 7

When you make a new material on a nanoscale how can you see what you have made? A team lead by a Biotechnology and Biological Sciences research Council (BBSRC) fellow has made a significant step toward overcoming this major ...


Manufactured Buckyballs don't harm microbes that clean the environment

April 08, 2008 | User rating: 3.5 / 5 after 12 vote(s) | User comments: 6

Even large amounts of manufactured nanoparticles, also known as Buckyballs, don't faze microscopic organisms that are charged with cleaning up the environment, according to Purdue University researchers.


Nanotech's health, environment impacts worry scientists

November 25, 2007 | User rating: 4.6 / 5 after 21 vote(s) | User comments: 5

The unknown human health and environmental impacts of nanotechnology are a bigger worry for scientists than for the public, according to a new report published today (Nov. 25) in the journal Nature Nanotechnology.


As nanotech goes mainstream, 'toxic socks' raise concerns

April 07, 2008 | User rating: 4.4 / 5 after 39 vote(s) | User comments: 5

Nanotechnology is now available in a store near you. Valued for it’s antibacterial and odor-fighting properties, nanoparticle silver is becoming the star attraction in a range of products from socks to bandages ...


Nano-sized 'trojan horse' to aid nutrition

August 25, 2008 | User rating: 3.9 / 5 after 17 vote(s) | User comments: 5

Researchers from Monash University have designed a nano-sized "trojan horse" particle to ensure healing antioxidants can be better absorbed by the human body.


Carbon Nanotube-Coated Electrodes Improve Brain Readouts

August 12, 2008 | User rating: 4.3 / 5 after 23 vote(s) | User comments: 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 ...


Nanoparticles Detect Telomerase Activity

July 24, 2008 | User rating: 4.3 / 5 after 12 vote(s) | User comments: 4

Telomerase, an enzyme that prevents chromosomes from shortening when they divide, is widely suspected of playing a key role in making cancer cells immortal. Though researchers have developed a variety of methods for measuring ...


Nano-sized voltmeter measures electric fields deep within cells

November 30, 2007 | User rating: 5 / 5 after 25 vote(s) | User comments: 3

A wireless, nano-scale voltmeter developed at the University of Michigan is overturning conventional wisdom about the physical environment inside cells. It may someday help researchers tackle such tricky medical issues as ...


Carbon Nanotubes Compromise the Functions of Certain Protozoa, Study Shows

June 18, 2008 | User rating: 4.7 / 5 after 36 vote(s) | User comments: 3

A new study by researchers from the University of Waterloo in Ontario, Canada, hints that carbon nanotubes may be toxic to microorganisms. When cultures of a certain key protozoan, a single-cell organism, ...


Quantum Rod System May Safely 'Sneak' Drugs, Diagnostics into Brain

July 16, 2008 | User rating: 4.5 / 5 after 11 vote(s) | User comments: 3

(PhysOrg.com) -- A unique nanoparticle system developed by University at Buffalo scientists takes advantage of the versatility of bioconjugated quantum rods to ferry novel diagnostic and therapeutic agents ...


Nanoparticles + light = dead tumor cells

July 29, 2008 | User rating: 4.5 / 5 after 34 vote(s) | User comments: 3

Medical physicists at the University of Virginia have created a novel way to kill tumor cells using nanoparticles and light. The technique, devised by Wensha Yang, an instructor in radiation oncology at the University of ...


Nanotechnology's future depends on who the public trusts

February 11, 2008 | User rating: 4.8 / 5 after 5 vote(s) | User comments: 2

When the public considers competing arguments about a new technology’s potential risks and benefits, people will tend to agree with the expert whose values are closest to their own, no matter what position the expert takes. ...


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