Bio & Medicine news

New, light-driven nanomotor is simpler, more promising, scientists say

Jun 04, 2009 | 4.8 / 5 (6) | 1

(PhysOrg.com) -- Sunflowers track the sun as it moves from east to west. But people usually have to convert sunlight into electricity or heat to put its power to use.

Researchers test nanoparticle to treat cardiovascular disease in mice

Nanotechnology / Bio & Medicine

Jun 04, 2009 | 5 / 5 (2) | 0

Scientists and engineers at UC Santa Barbara and other researchers have developed a nanoparticle that can attack plaque -- a major cause of cardiovascular disease. The new development is described in a recent ...

Revolutionizing the diagnosis of serious disease

Nanotechnology / Bio & Medicine

Jun 02, 2009 | 5 / 5 (1) | 1

Revolutionary ultrasonic nanotechnology that could allow scientists to see inside a patient's individual cells to help diagnose serious illnesses is being developed by researchers at The University of Nottingham.

Silver nanoparticles show 'immense potential' in prevention of blood clots

Nanotechnology / Bio & Medicine

May 27, 2009 | 5 / 5 (7) | 4

Scientists are reporting discovery of a potential new alternative to aspirin, ReoPro, and other anti-platelet agents used widely to prevent blood clots in coronary artery disease, heart attack and stroke. ...

First 'nanorust' field test slated in Mexico

Nanotechnology / Bio & Medicine

May 27, 2009 | 5 / 5 (3) | 2

Rice University researchers today announced that the first field tests of "nanorust," the university's revolutionary, low-cost technology for removing arsenic from drinking water, will begin later this year ...

EarthTalk: What is 'nanotechnology'?

Nanotechnology / Bio & Medicine

May 25, 2009 | 3 / 5 (5) | 4

Dear EarthTalk: What is "nanotechnology"? I've heard that nanoparticles are already in consumer products, yet we haven't really studied their potential health impacts. (Dan Zeff, San Francisco)

Scientists fight cancer with nanotechnology

Nanotechnology / Bio & Medicine

May 21, 2009 | 5 / 5 (5) | 1

(PhysOrg.com) -- Nanotechnology researchers at the University of Arkansas at Little Rock have developed a method of detecting, tracking, and killing cancer cells in real time with carbon nanotubes.

DNA molecules can detect pathogens, deliver drugs

Nanotechnology / Bio & Medicine

May 20, 2009 | 5 / 5 (1) | 1

(PhysOrg.com) -- First, Cornell researchers created DNA "bar codes" -- strands of the genetic material that quickly identify the presence of different molecules by fluorescing. Now, they have created new DNA ...

Metal sheets with DNA framework may enable nanocircuits

Nanotechnology / Bio & Medicine

May 20, 2009 | 4.9 / 5 (8) | 1

(PhysOrg.com) -- Using DNA not as a genetic material but as a structural support, Cornell researchers have created thin sheets of gold nanoparticles held together by strands of DNA. The work could prove useful ...

Novel approach estimates nanoparticles in environment

Nanotechnology / Bio & Medicine

May 20, 2009 | 5 / 5 (2) | 1

Without knowing how much of an industrial chemical is being produced, it is almost impossible for scientists to determine if it poses any threat to the environment or human health.

Aerosolized nanoparticles show promise for delivering antibiotic treatment

Nanotechnology / Bio & Medicine

May 19, 2009 | not rated yet | 0

Aerosol delivery of antibiotics via nanoparticles may provide a means to improve drug delivery and increase patient compliance, thus reducing the severity of individual illnesses, the spread of epidemics, and possibly even ...

New tool for next-generation cancer treatments using nanodiamonds

Nanotechnology / Bio & Medicine

May 18, 2009 | 4 / 5 (4) | 0

A research team at Northwestern University has demonstrated a tool that can precisely deliver tiny doses of drug-carrying nanomaterials to individual cells.

DNA gripped in nanopores

Nanotechnology / Bio & Medicine

May 14, 2009 | not rated yet | 0

Molecular biologists, including the cool dudes from CSI, use gel electrophoresis to separate DNA fragments from each other in order to analyze the DNA. A team of researchers under the leadership of Vici winner Serge Lemay, ...

Focus on the formation of bones, teeth and shells

Nanotechnology / Bio & Medicine

May 14, 2009 | 4 / 5 (1) | 0

Researchers at Eindhoven University of Technology for the first time have shown the earliest stages in biomineralization, the process that leads to the formation of bones, teeth and sea shells.

Nanomedicine project to be tested in space

Nanotechnology / Bio & Medicine

May 12, 2009 | 3 / 5 (2) | 0

When a spacecraft launches from Cape Canaveral, Fla., in the future, its cargo will include a small box containing a nano-fluidics experiment designed by scientists at The University of Texas Health Science Center at Houston.