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Nanotechnology / Bio & Medicine news 1234

Nanobacteria – Are They Alive?

April 23, 2008 | User rating: 4.6 / 5 after 81 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.


Environmental fate of nanoparticles depends on properties of water carrying them

May 02, 2008 | User rating: 4.6 / 5 after 10 vote(s) | No comments yet

The fate of carbon-based nanoparticles spilled into groundwater – and the ability of municipal filtration systems to remove the nanoparticles from drinking water – depend on subtle differences in the solution ...


Too much nanotechnology may be killing beneficial bacteria

April 29, 2008 | User rating: 4.6 / 5 after 16 vote(s) | No comments yet

Too much of a good thing could be harmful to the environment. For years, scientists have known about silver’s ability to kill harmful bacteria and, recently, have used this knowledge to create consumer products containing ...


Nanoparticles Provide Detailed View Inside Living Animals

April 18, 2008 | User rating: 4.2 / 5 after 6 vote(s) | No comments yet

Using nanoparticles designed specifically to produce a bright Raman spectroscopic signal, a team of investigators at the Center for Cancer Nanotechnology Excellence Focused on Therapy Response (Stanford CCNE) has shown that ...


Nanosize Rods Light Up Pancreatic Cancer Cells

April 18, 2008 | User rating: 4.4 / 5 after 5 vote(s) | No comments yet

Quantum dots have shown promise as ultrabright contrast agents for use in a variety of cancer imaging studies. Now, a team of investigators at the Multifunctional Nanoparticles in Diagnosis and Therapy of Pancreatic Cancer ...


New nanotech products hitting the market at the rate of 3-4 per week

April 24, 2008 | User rating: 3.3 / 5 after 12 vote(s) | User comments: 1

New nanotechnology consumer products are coming on the market at the rate of 3-4 per week, a finding based on the latest update to the nanotechnology consumer product inventory maintained by the Project on ...


New nanotube sensor can continuously monitor minute amounts of insulin

April 15, 2008 | User rating: 4.5 / 5 after 11 vote(s) | No comments yet

A new method that uses nanotechnology to rapidly measure minute amounts of insulin is a major step toward developing the ability to assess the health of the body’s insulin-producing cells in real time.


Scientists discover how nanocluster contaminants increase risk of spreading

April 17, 2008 | User rating: not shown ( 1 vote(s) ) | User comments: 1

For almost half a century, scientists have struggled with plutonium contamination spreading further in groundwater than expected, increasing the risk of sickness in humans and animals.


'Nanodrop' Test Tubes Created with a Flip of a Switch

April 15, 2008 | User rating: 4.5 / 5 after 11 vote(s) | No comments yet

Researchers at the National Institute of Standards and Technology have demonstrated a new device that creates nanodroplet “test tubes” for studying individual proteins under conditions that mimic the crowded ...


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 ...


Researcher looks to use nanoparticles for food safety

April 10, 2008 | User rating: not shown ( 2 vote(s) ) | User comments: 1

Byron Brehm-Stecher, assistant professor in food science and human nutrition, has some big ideas for his work with tiny particles. His latest research project will allow him to study the potential of using silver nanoparticles ...


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.


Europe spends nearly twice as much as US on nanotech risk research

April 21, 2008 | User rating: 4.3 / 5 after 8 vote(s) | No comments yet

A new analysis by the Project on Emerging Nanotechnologies (PEN) indicates that European nations are investing nearly twice as much as the U.S. in research primarily aimed at addressing the potential risks of nanotechnology. ...


Citrate appears to control buckyball clumping but environmental concerns remain

April 08, 2008 | User rating: 3.9 / 5 after 16 vote(s) | User comments: 1

Fullerenes, also fondly known as buckyballs, are showing an ugly side. Since being discovered in 1985, the hollow carbon atoms have been adapted for nanotechnology and biomedical applications ranging from electronics to carriers ...


UCLA researchers design nanomachine that kills cancer cells

April 01, 2008 | User rating: 4.5 / 5 after 48 vote(s) | User comments: 1

Researchers from the Nano Machine Center at the California NanoSystems Institute at UCLA have developed a novel type of nanomachine that can capture and store anticancer drugs inside tiny pores and release them into cancer ...


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